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Zhao J, Wang J, Wang Y, Zhang J, Luo E, Lv B, Hu T, Jia J. Galvanic replacement-induced preparation of bloom-like Pt 23Ni 77 for methanol coupled efficient hydrogen production. Nanoscale 2024; 16:7031-7040. [PMID: 38441151 DOI: 10.1039/d3nr06359c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
Galvanic replacement reaction (GRR) leverages the difference in metal reduction potentials to regulate the structure of nanomaterials. The crucial aspect of constructing highly active catalysts lies in the precise manipulation of both the oxidative dissolution of sacrificial template metals and reductive deposition of alternate metals. Herein, we investigated the morphological transformation of metal Ni as a sacrificial template in the presence of different amounts of H2PtCl6 solution and the Pt4+ substitution of Ni to achieve the redistribution of elements on the catalyst surface, which provides superior performance in both the methanol oxidation reaction (MOR) and hydrogen evolution reaction (HER). The uniform distribution of Pt on a three-dimensional transition metal Ni substrate allows for the complete exposure of the noble metal to the catalyst surface. This distribution increases the reaction area, facilitating easy access for reactants and promoting electron transfer. Meanwhile, Pt (1.39 Å) has a larger atomic radius compared to Ni (1.24 Å), and the substitution reaction in the transition metal phase induces strong compressive strain, which effectively regulates the electronic structure of Ni.
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Affiliation(s)
- Jin Zhao
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Jinjin Wang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Ying Wang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Junming Zhang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Ergui Luo
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Baoliang Lv
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Tianjun Hu
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
| | - Jianfeng Jia
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science, Shanxi Normal University, Taiyuan 030032, China.
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Yan Q, Hou X, Zhang T, Yin H, Han B, Ma C, Wang Y, Chen H, Wen J, Huang Y, Jiang R, Liu Z, Xu G. Prevalence and correlates of mental health problems among different occupations of medical workers during COVID-19 outbreak in China. Front Public Health 2024; 12:1353608. [PMID: 38638468 PMCID: PMC11024349 DOI: 10.3389/fpubh.2024.1353608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 03/19/2024] [Indexed: 04/20/2024] Open
Abstract
Background Health workers involved in the fight to prevent the COVID-19 outbreak were exposed to hazards. Detailed information on mental health problems in different medical occupations is crucial. To examined the prevalence of mental health issues in three medical occupations as well as the relationships between mental health problems and correlates in each occupation. Methods This study utilizing the Questionnaire Star program was conducted among medical workers working at medical institutions in China from February 17 to 24, 2020. The Self-Reporting Questionnaire (SRQ-20), the Zung Self-rating Anxiety Scale (SAS), and the Zung Self-rating Depression Scale (SDS) were used to assess mental health problems. Results The prevalence of any mental health problems in the three occupations was 43.6, 34.6, and 32.9% for nurses, paramedical workers (PMWs), and doctors, respectively. Three occupations shared some correlates, such as being overworked, not having enough time to rest, support from colleagues, and previous mental health status. There were specific factors for each occupation. For doctors, age, educational level, living status, support from family, and previous physical status were related factors in mental health problems. Working in a designated hospital for treating COVID-19, having COVID-19 event exposures, and receiving support from family were associated with the mental health problems of the nurses. PMWs' mental health problems was linked to educational level and care from supervisors or heads of department. Conclusion Different medical occupations have distinct impacts on mental health issues. Policy makers and mental health professionals working to prepare for potential disease outbreaks should be aware of multiple factors in different occupations.
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Affiliation(s)
- Qiuping Yan
- Tianjin Anding Hospital, Tianjin University, Tianjin, China
| | - Xiaofei Hou
- Tianjin Anding Hospital, Tianjin University, Tianjin, China
| | - Tingting Zhang
- Peking University Sixth Hospital, Peking University, Beijing, China
| | - Huifang Yin
- Tianjin Anding Hospital, Tianjin University, Tianjin, China
| | - Bing Han
- Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Chao Ma
- Peking University Sixth Hospital, Peking University, Beijing, China
| | - Ying Wang
- Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Hongguang Chen
- Peking University Sixth Hospital, Peking University, Beijing, China
| | - Jing Wen
- Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Yueqin Huang
- Peking University Sixth Hospital, Peking University, Beijing, China
| | - Rongmeng Jiang
- Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Zhaorui Liu
- Peking University Sixth Hospital, Peking University, Beijing, China
| | - Guangming Xu
- Tianjin Anding Hospital, Tianjin University, Tianjin, China
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153
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Lin P, Wang J, Li Y, Li G, Wang Y. LINC00472 regulates ferroptosis of neurons in Alzheimer's disease via FOXO 1. Dement Geriatr Cogn Disord 2024:000537883. [PMID: 38574473 DOI: 10.1159/000537883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 02/12/2024] [Indexed: 04/06/2024] Open
Abstract
OBJECTIVE To explore the molecular mechanism of long non-coding RNA (lncRNA) LINC00472 in Alzheimer's Disease (AD). METHOD Ferroptosis-related lncRNAs were screened by GEO database. AD mouse model was constructed for in vivo experimental. The content of Aβ protein and Tau protein hyperphosphorylation were examined in Hippocampal tissue samples of mice. Subsequently, HT22 cells were induced with Aβ25-35 to establish a neuronal injury model of AD in vitro. The expression of FOXO1, a key gene for ferroptosis, was verified by overexpressing/knocking down the LINC00472. The effects of LINC00472 on ROS and lipid peroxidation content, GPX4, and Tau protein in AD model cells were examined by ROS assay, MDA assay, Western Blot and qRT-PCR. Subsequently, the expression of iron ion, FTH, TfRC, and Fpn protein were detected in AD cells. RESULTS The level of FOXO1 was positively correlated with the degree of AD. In vivo experiments showed that the expression of Aβ and Tau hyperphosphorylated were significantly reduced in the inhibitor group and iron was significantly reduced relative to the AD group. In the AD cell model, the content of lipid peroxide was up-regulated, GPX4 protein and mRNA were decreased, and phosphorylation of Tau protein was enhanced in the AD cell model relative to the control group. Whereas knocking down LINC00472 inhibited the up-regulation of lipid peroxide, decreased the level of GPX4, and enhancement of Tau protein phosphorylation, and it reduced iron accumulation, in AD cells. CONCLUSIONS LINC00472 affects ferroptosis in AD by regulating iron accumulation, in neuronal cells.
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154
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Guo Z, Tang X, Xiao S, Yan H, Sun S, Yang Z, Huang L, Chen Z, Wang Y. Systematic review and meta-analysis: multimodal functional and anatomical neural alterations in autism spectrum disorder. Mol Autism 2024; 15:16. [PMID: 38576034 PMCID: PMC10996269 DOI: 10.1186/s13229-024-00593-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/13/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND This meta-analysis aimed to explore the most robust findings across numerous existing resting-state functional imaging and voxel-based morphometry (VBM) studies on the functional and structural brain alterations in individuals with autism spectrum disorder (ASD). METHODS A whole-brain voxel-wise meta-analysis was conducted to compare the differences in the intrinsic functional activity and gray matter volume (GMV) between individuals with ASD and typically developing individuals (TDs) using Seed-based d Mapping software. RESULTS A total of 23 functional imaging studies (786 ASD, 710 TDs) and 52 VBM studies (1728 ASD, 1747 TDs) were included. Compared with TDs, individuals with ASD displayed resting-state functional decreases in the left insula (extending to left superior temporal gyrus [STG]), bilateral anterior cingulate cortex/medial prefrontal cortex (ACC/mPFC), left angular gyrus and right inferior temporal gyrus, as well as increases in the right supplementary motor area and precuneus. For VBM meta-analysis, individuals with ASD displayed decreased GMV in the ACC/mPFC and left cerebellum, and increased GMV in the left middle temporal gyrus (extending to the left insula and STG), bilateral olfactory cortex, and right precentral gyrus. Further, individuals with ASD displayed decreased resting-state functional activity and increased GMV in the left insula after overlapping the functional and structural differences. CONCLUSIONS The present multimodal meta-analysis demonstrated that ASD exhibited similar alterations in both function and structure of the insula and ACC/mPFC, and functional or structural alterations in the default mode network (DMN), primary motor and sensory regions. These findings contribute to further understanding of the pathophysiology of ASD.
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Affiliation(s)
- Zixuan Guo
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xinyue Tang
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shu Xiao
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Hong Yan
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shilin Sun
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Zibin Yang
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Li Huang
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Zhuoming Chen
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Ying Wang
- Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China.
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155
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Li Z, Xu B, Tao T, Li F, Zhang G, Wang Y. Coupling of Electric and Flow Fields to Enhance Ion Transport for Energy-Efficient Electrochemical Tap-Water Softening. Environ Sci Technol 2024. [PMID: 38573006 DOI: 10.1021/acs.est.3c08333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
Electrochemical-induced precipitation is a sustainable approach for tap-water softening, but the hardness removal performance and energy efficiency are vastly limited by the ultraslow ion transport and the superlow local HCO3-/Ca2+ ratio compared to the industrial scenarios. To tackle the challenges, we herein report an energy-efficient electrochemical tap-water softening strategy by utilizing an integrated cathode-anode-cathode (CAC) reactor in which the direction of the electric field is reversed to that of the flow field in the upstream cell, while the same in the downstream cell. As a result, the transport of ions, especially HCO3-, is significantly accelerated in the downstream cell under a flow field. The local HCO3-/Ca2+ ratio is increased by 1.5 times, as revealed by the finite element numerical simulation and in situ imaging. In addition, a continuous flow electrochemical system with an integrated CAC reactor is operated for 240 h to soften tap water. Experiments show that a much lower cell voltage (9.24 V decreased) and energy consumption (28% decreased) are obtained. The proposed ion-transport enhancement strategy by coupled electric and flow fields provides a new perspective on developing electrochemical technologies to meet the flexible and economic demand for tap-water softening.
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Affiliation(s)
- Zhengsen Li
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Bincheng Xu
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Tao Tao
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Fengting Li
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Gong Zhang
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Ying Wang
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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156
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Shi F, Liu Q, Yue D, Zhang Y, Wei X, Wang Y, Ma W. Exploring the effects of the dietary fiber compound mediated by a longevity dietary pattern on antioxidation, characteristic bacterial genera, and metabolites based on fecal metabolomics. Nutr Metab (Lond) 2024; 21:18. [PMID: 38575955 PMCID: PMC10993571 DOI: 10.1186/s12986-024-00787-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 03/12/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND Age-related dysbiosis of the microbiota has been linked to various negative health outcomes. This study aims to investigate the effects of a newly discovered dietary fiber compound (DFC) on aging, intestinal microbiota, and related metabolic processes. The DFC was identified through in vitro fermentation screening experiments, and its dosage and composition were determined based on a longevity dietary pattern. METHODS Aged SPF C57BL/6 J mice (65 weeks old) and young mice (8 weeks old) were divided into three groups: a subgroup without dietary fiber (NDF), a low DFC dose subgroup (LDF, 10% DFC), and a high DFC dose subgroup (HDF, 20% DFC). The total antioxidant capacity (T-AOC), total superoxide dismutase (T-SOD) activity, malondialdehyde (MDA) content, and glutathione peroxidase (GSH-Px) activity in liver and serum samples of the mice were measured according to the manufacturer's protocol. The expression levels of characteristic bacterial genera and fecal metabolite concentrations in mice were determined using quantitative real-time PCR (qPCR) and nuclear magnetic resonance hydrogen spectroscopy (1H NMR). Metabolomics analysis was further conducted to identify biological functions and potential pathways related to aging. RESULTS After an 8-weeks dietary intervention, DFC supplementation significantly attenuated age-related weight loss, organ degeneration, and oxidative stress. And promoted the growth of Lactobacillus and Bifidobacterium and inhibited the growth of Escherichia coli (E. coli) and Bacteroides (p < 0.05) in the intestinal tracts of aged mice. Metabolomic analysis identified glycolipid and amino acid metabolic pathway biomarkers associated with aging that were differentially regulated by DFC consumption. Correlation analysis between the identified microbial flora and the biomarkers revealed potential mechanistic links between altered microbial composition and metabolic activity with aging markers. CONCLUSIONS In conclusion, this study revealed an important mechanism by which DFC consumption impacts healthspan and longevity, shedding light on optimizing dietary fiber or developing fiber-based interventions to improve human health.
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Affiliation(s)
- Fengcui Shi
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China
| | - Qingli Liu
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China
| | - Dayong Yue
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China
| | - Yanan Zhang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China
| | - Xueying Wei
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China
| | - Ying Wang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China.
| | - WenJian Ma
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Shandong, China.
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China.
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157
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Yang X, Hu R, Yao L, Zhang W, Shi M, Gong J, Yuan X, Li Y, Yan J, Wang Y, Zhang Q, He Z, Hou DX, Fan Z, Zhang H, Chen L, He X, He J, Wu S. The role of uterus mitochondrial function in high-fat diet-related adverse pregnancy outcomes and protection by resveratrol. Food Funct 2024. [PMID: 38573228 DOI: 10.1039/d4fo00671b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
This study elucidates the mechanism of obesity-related adverse pregnancy outcomes and further investigates the effect of resveratrol on reproductive performance in a short- or long-term HFD-induced obese mouse model. Results show that maternal weight had a significant positive correlation with litter mortality in mice. A long-term HFD increased body weight and litter mortality with decreased expression of uterine cytochrome oxidase 4 (COX4), which was recovered by resveratrol in mice. Moreover, HFD decreased the expression of peroxisome proliferator-activated receptor γ coactivator-1α (PGC-1α), nuclear respiratory factors-1 (Nrf-1), and phosphorylated adenosine 5'-monophosphate (AMP)-activated protein kinase (p-AMPK) and increased the expression of phosphorylated extracellular regulated protein kinases (p-ERK) in the uterus. Resveratrol, a polyphenol that can directly bind to the ERK protein, suppressed the phosphorylation of ERK, increased the expression of p-AMPK, PGC-1α and Nrf-1, and decreased litter mortality in mice.
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Affiliation(s)
- Xizi Yang
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Ruizhi Hu
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Liping Yao
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Wentao Zhang
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Mingkun Shi
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Jiatai Gong
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Xupeng Yuan
- College of Animal Science and Technology, Hunan Biological and Electromechanical Polytechnic, Changsha 410127, China
| | - Yanli Li
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Jiahao Yan
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Ying Wang
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Qianjin Zhang
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Ziyu He
- Department of Food Science and Biotechnology, Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - De-Xing Hou
- Department of Food Science and Biotechnology, Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Zhiyong Fan
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Hongfu Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Liang Chen
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xi He
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Jianhua He
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Shusong Wu
- Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
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158
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Zhou H, Li L, Yan Q, Ma J, Wang Y, Gao Y, Liu ZQ, Li Z. Metal-free radical bicyclization/chloroalkylarylation of 1,6-enynes with chloroalkanes. Chem Commun (Camb) 2024; 60:3938-3941. [PMID: 38497681 DOI: 10.1039/d4cc00651h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Free radical initiated bicyclization of 1,6-enynes with chloralkanes, is achieved via selective activation of the C(sp3)-H bond of the chloralkane, resulting in diverse polychlorinated/chlorinated polyheterocycles. Two kinds of transformations and a scaled-up experiment were performed to test the synthetic importance of the organic chlorides. Finally, a range of radical inhibition operations and radical clock tests were explored to support the reaction process.
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Affiliation(s)
- Hongxun Zhou
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Lijun Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Qinqin Yan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Jinyue Ma
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Ying Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Yongjun Gao
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Zhong-Quan Liu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, P. R. China.
| | - Zejiang Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province (22567635H), Hebei Research Center of the Basic Discipline of Synthetic Chemistry, Hebei University, Baoding, Hebei, 071002, P. R. China.
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Zhang X, Wang Y, Wang D, Tang J, Xu M. Synergistic stabilization of garlic essential oil nanoemulsions by carboxymethyl chitosan/Tween 80 and application for coating preservation of chilled fresh pork. Int J Biol Macromol 2024; 266:131370. [PMID: 38580027 DOI: 10.1016/j.ijbiomac.2024.131370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 02/18/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Garlic essential oil (GEO) is a potential natural antioxidant and antimicrobial agent for food preservation, but its intrinsic low water-solubility, high volatility and poor stability severely limit its application and promotion. In this work, we investigated the synergistic stabilization of the GEO-in-water nanoemulsion using carboxymethyl chitosan (CCS) and Tween 80 (TW 80). Additionally, the nanoemulsion was fabricated through high-pressure microfluidization and utilized for the coating-mediated preservation of chilled pork. The garlic essential oil nanoemulsion (GEON) with 3.0 % CCS and 3.0 % TW 80 exhibited more homogeneous droplet size (around 150 nm) and narrower size distribution, while maintained long-term stability with no significant change in size during 30 d storage. Compared with free GEO, the GEONs exhibited a higher scavenging capacity to DPPH and ABTS free radicals as well as higher inhibitory effects against Escherichia coli and Staphylococcus aureus, suggesting that the encapsulation of GEO in nanoemulsion considerably improved its antioxidant and antibacterial activities. Furthermore, the results of coating preservation experiments showed that the GEON coating effectively expanded the shelf-life of chilled fresh pork for approximately one week. Altogether, this study would guide the development of GEO-loaded nanoemulsions, and promote GEON as a promising alternative for coating preservation of chilled fresh meat.
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Affiliation(s)
- Xingzhong Zhang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China.
| | - Ying Wang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Dan Wang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Jie Tang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Min Xu
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China.
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160
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Li Y, Wang T, Li X, Li W, Lei Y, Shang Q, Zheng Z, Fang J, Cao L, Yu D, Meng Z, Zhang S, Liu R, Liu C, Xu C, Ding Y, Chen Y, Candi E, Melino G, Wang Y, Shi Y, Shao C. SOD2 promotes the immunosuppressive function of mesenchymal stem cells at the expense of adipocyte differentiation. Mol Ther 2024; 32:1144-1157. [PMID: 38310354 DOI: 10.1016/j.ymthe.2024.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 11/28/2023] [Accepted: 01/30/2024] [Indexed: 02/05/2024] Open
Abstract
The potent immunomodulatory function of mesenchymal stem/stromal cells (MSCs) elicited by proinflammatory cytokines IFN-γ and TNF-α (IT) is critical to resolve inflammation and promote tissue repair. However, little is known about how the immunomodulatory capability of MSCs is related to their differentiation competency in the inflammatory microenvironment. In this study, we demonstrate that the adipocyte differentiation and immunomodulatory function of human adipose tissue-derived MSCs (MSC(AD)s) are mutually exclusive. Mitochondrial reactive oxygen species (mtROS), which promote adipocyte differentiation, were decreased in MSC(AD)s due to IT-induced upregulation of superoxide dismutase 2 (SOD2). Furthermore, knockdown of SOD2 led to enhanced adipogenic differentiation but reduced immunosuppression capability of MSC(AD)s. Interestingly, the adipogenic differentiation was associated with increased mitochondrial biogenesis and upregulation of peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PPARGC1A/PGC-1α) expression. IT inhibited PGC-1α expression and decreased mitochondrial mass but promoted glycolysis in an SOD2-dependent manner. MSC(AD)s lacking SOD2 were compromised in their therapeutic efficacy in DSS-induced colitis in mice. Taken together, these findings indicate that the adipogenic differentiation and immunomodulation of MSC(AD)s may compete for resources in fulfilling the respective biosynthetic needs. Blocking of adipogenic differentiation by mitochondrial antioxidant may represent a novel strategy to enhance the immunosuppressive activity of MSCs in the inflammatory microenvironment.
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Affiliation(s)
- Yanan Li
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China; Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Tingting Wang
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Xiaolei Li
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Wen Li
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Yan Lei
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Qianwen Shang
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Zhiyuan Zheng
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Jiankai Fang
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Lijuan Cao
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China; Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Daojiang Yu
- The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215123, China
| | - Zhenzhen Meng
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Shengchao Zhang
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Rui Liu
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China; Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Chunxiao Liu
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Chenchang Xu
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Yayun Ding
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Yongjing Chen
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China
| | - Eleonora Candi
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Ying Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yufang Shi
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China; Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy.
| | - Changshun Shao
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Key Laboratory of Stem Cells and Medical Biomaterials of Jiangsu Province, Soochow University Suzhou Medical College, Suzhou, Jiangsu 215123, China.
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Lu H, Zhou P, Li F, Wang Y, Gu J, Wang Y, Sun S, Zhang M, Wang X. Trichoderma guizhouense NJAU4742 augments morphophysiological responses, nutrient availability and photosynthetic efficacy of ornamental Ilex verticillata. Tree Physiol 2024; 44:tpae033. [PMID: 38501890 DOI: 10.1093/treephys/tpae033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/02/2024] [Indexed: 03/20/2024]
Abstract
Winterberry holly (Ilex verticillata [L.] A. Gray), a deciduous shrub producing glossy bright red berries, is a valuable ornamental and medicinal plant with good market prospects. However, the growth and development of I. verticillata are significantly affected by various stresses, and environmentally hazardous agrochemicals are often used to mitigate them. Trichoderma spp., ubiquitous soil-borne eco-friendly plant growth-promoting fungi, are potent biostimulants and biofertilizers and viable alternatives to agrochemicals for healthy and sustainable agriculture. In this study, the temporal efficacy of different dosages of the filamentous fungus Trichoderma guizhouense NJAU4742 in promoting morphophysiological responses of I. verticillata and the physicochemical properties and enzymatic activities of the substrate were investigated. Different concentrations of the strain T. guizhouense NJAU4742 spore suspension (C [0%], T1 [5%, v/m], T2 [10%, v/m] and T3 [15%, v/m]) were injected in the substrate contained in a pot in which 1-year-old I. verticillata was planted for temporal treatment (15, 45 and 75 days) under open-air conditions. The beneficial effects of T2 and/or T3 treatment for a long duration (75 days) were evident on the different root, aerial and photosynthetic traits; total contents of nitrogen (N), phosphorus (P) and potassium (K) in different tissues and the physicochemical properties of the substrate and its enzymatic activities (urease and invertase). Overall, the study revealed the potency of strain T. guizhouense NJAU4742 as a sustainable solution to improve the growth and development and ornamental value of I. verticillata.
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Affiliation(s)
- Huixin Lu
- Department of Landscape Architecture, College of Horticulture, Nanjing Agricultural University, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
- Department of Plant Nutrition and Fertilizer, College of Resources and Environmental Sciences, Nanjing Agricultural University, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Peng Zhou
- Jiangsu Academy of Forestry, 109 Danyang Road, Dongshanqiao, Jiangning District, Nanjing 211153, China
| | - Fei Li
- Jiangsu Academy of Forestry, 109 Danyang Road, Dongshanqiao, Jiangning District, Nanjing 211153, China
| | - Yanjie Wang
- Department of Landscape Architecture, College of Horticulture, Nanjing Agricultural University, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Jiaying Gu
- Department of Landscape Architecture, College of Horticulture, Nanjing Agricultural University, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Ying Wang
- Department of Landscape Architecture, College of Horticulture, Nanjing Agricultural University, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Shubin Sun
- Department of Plant Nutrition and Fertilizer, College of Resources and Environmental Sciences, Nanjing Agricultural University, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Min Zhang
- Jiangsu Academy of Forestry, 109 Danyang Road, Dongshanqiao, Jiangning District, Nanjing 211153, China
| | - Xiaowen Wang
- Department of Landscape Architecture, College of Horticulture, Nanjing Agricultural University, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, No. 1 Weigang, Xuanwu District, Nanjing 210095, China
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162
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Fu Y, Qu Z, Wang Y, Sun P, Jiao N, Xu D. Biogeographical and biodiversity patterns of planktonic microeukaryotes along the tropical western to eastern Pacific Ocean transect revealed by metabarcoding. Microbiol Spectr 2024; 12:e0242423. [PMID: 38488393 DOI: 10.1128/spectrum.02424-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 03/02/2024] [Indexed: 04/06/2024] Open
Abstract
Microeukaryotic plankton (0.2-200 µm), which are morphologically and genetically highly diverse, play a crucial role in ocean productivity and carbon consumption. The Pacific Ocean (PO), one of the world's largest oligotrophic regions, remains largely unexplored in terms of the biogeography and biodiversity of microeukaryotes based on large-scale sampling. We investigated the horizontal distribution of microeukaryotes along a 16,000 km transect from the west to the east of the PO. The alpha diversity indices showed a distinct decreasing trend from west to east, which was highly correlated with water temperature. The microeukaryotic community, which was clustered into the western, central, and eastern PO groups, displayed a significant distance-decay relationship. Syndiniales, a lineage of parasitic dinoflagellates, was ubiquitously distributed along the transect and dominated the community in terms of both sequence and zero-radius operational taxonomic unit (ZOTU) proportions. The prevailing dominance of Syndiniales-affiliated ZOTUs and their close associations with dinoflagellates, diatoms, and radiolarians, as revealed by SparCC correlation analysis, suggested that parasitism may be an important trophic strategy in the surface waters of the PO. Geographical distance and temperature were the most important environmental factors that significantly correlated with community structure. Overall, our study sheds more light on the distribution pattern of both alpha and beta diversities of microeukaryotic communities and highlighted the importance of parasitisms by Syndiniales across the tropical PO.IMPORTANCEUnderstanding the biogeographical and biodiversity patterns of microeukaryotic communities is essential to comprehending their roles in biogeochemical cycling. In this study, planktonic microeukaryotes were collected along a west-to-east Pacific Ocean transect (ca. 16,000 km). Our study revealed that the alpha diversity indices were highly correlated with water temperature, and the microeukaryotic communities displayed a distinct geographical distance-driven pattern. The predominance of the parasitic dinoflagellate lineage Syndiniales and their close relationship with other microeukaryotic groups suggest that parasitism may be a crucial survival strategy for microeukaryotes in the surface waters of the Pacific Ocean. Our findings expand our understanding of the biodiversity and biogeographical pattern of microeukaryotes and highlight the significance of parasitic Syndiniales in the surface ocean.
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Affiliation(s)
- Yingjun Fu
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Institute of Marine Microbes and Ecospheres, Xiamen University, Xiamen, China
- Fujian Key Laboratory of Marine Carbon Sequestration, Xiamen University, Xiamen, China
| | - Zhishuai Qu
- Institute of Marine Science and Technology, Shandong University, Qingdao 266237, China
| | - Ying Wang
- Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory of Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, China
| | - Ping Sun
- Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory of Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, China
| | - Nianzhi Jiao
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Institute of Marine Microbes and Ecospheres, Xiamen University, Xiamen, China
- Fujian Key Laboratory of Marine Carbon Sequestration, Xiamen University, Xiamen, China
| | - Dapeng Xu
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Institute of Marine Microbes and Ecospheres, Xiamen University, Xiamen, China
- Fujian Key Laboratory of Marine Carbon Sequestration, Xiamen University, Xiamen, China
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163
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Wu C, Cai X, Wang Y, Rodriguez CD, Zoaldi G, Herrmann L, Huang CY, Wang X, Sanghvi VR, Lu RO, Meng Z. Interplay of RAP2 GTPase and the cytoskeleton in Hippo pathway regulation. J Biol Chem 2024:107257. [PMID: 38574891 DOI: 10.1016/j.jbc.2024.107257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/06/2024] Open
Abstract
The Hippo signaling is instrumental in regulating organ size, regeneration, and carcinogenesis. The cytoskeleton emerges as a primary Hippo signaling modulator. Its structural alterations in response to environmental and intrinsic stimuli control Hippo signaling pathway activity. However, the precise mechanisms underlying the cytoskeleton regulation of Hippo signaling are not fully understood. RAP2 GTPase is known to mediate the mechanoresponses of Hippo signaling via activating the core Hippo kinases LATS1/2 through MAP4Ks and MST1/2. Here we show the pivotal role of the reciprocal regulation between RAP2 GTPase and the cytoskeleton in Hippo signaling. RAP2 deletion undermines the responses of the Hippo pathway to external cues tied to RhoA GTPase inhibition and actin cytoskeleton remodeling, such as energy stress and serum deprivation. Notably, RhoA inhibitors and actin disruptors fail to activate LATS1/2 effectively in RAP2-deficient cells. RNA sequencing highlighted differential regulation of both actin and microtubule networks by RAP2 gene deletion. Consistently, Taxol, a microtubule-stabilizing agent, was less effective in activating LATS1/2 and inhibiting cell growth in RAP2 and MAP4K4/6/7 knockout cells. In summary, our findings position RAP2 as a central integrator of cytoskeletal signals for Hippo signaling, which offers new avenues for understanding Hippo regulation and therapeutic interventions in Hippo-impaired cancers.
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Affiliation(s)
- Chenzhou Wu
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Xiaomin Cai
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Ying Wang
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Carlos D Rodriguez
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Giorgia Zoaldi
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Lydia Herrmann
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Chun-Yuh Huang
- Department of Biomedical Engineering, University of Miami, 1251 Memorial Drive, Coral Gables, FL 33146, USA
| | - Xiaoqiong Wang
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Viraj R Sanghvi
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Medicine, Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York City, USA
| | - Rongze O Lu
- Brain Tumor Center, Department of Neurological Surgery, Helen Diller Cancer Center, UCSF, San Francisco, CA, USA
| | - Zhipeng Meng
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
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Li J, Xie L, Liu G, Pu Z, Tong X, Yang S, Yang M, Liu J, Chen J, Meng Y, Wang Y, Wang T, Ge Z. Multifunctional Trifluoroborate Additive for Simultaneous Carrier Dynamics Governance and Defects Passivation to Boost Efficiency and Stability of Inverted Perovskite Solar Cells. Angew Chem Int Ed Engl 2024; 63:e202316898. [PMID: 38340024 DOI: 10.1002/anie.202316898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/09/2024] [Accepted: 02/09/2024] [Indexed: 02/12/2024]
Abstract
The main obstacles to promoting the commercialization of perovskite solar cells (PSCs) include their record power conversion efficiency (PCE), which still remains below the Shockley-Queisser limit, and poor long-term stability, attributable to crystallographic defects in perovskite films and open-circuit voltage (Voc) loss in devices. In this study, potassium (4-tert-butoxycarbonylpiperazin-1-yl) methyl trifluoroborate (PTFBK) was employed as a multifunctional additive to target and modulate bulk perovskite defects and carrier dynamics of PSCs. Apart from simultaneously passivating anionic and cationic defects, PTFBK could also optimize the energy-level alignment of devices and weaken the interaction between carriers and longitudinal optical phonons, resulting in a carrier lifetime of greater than 3 μs. Furthermore, it inhibited non-radiative recombination and improved the crystallization capacity in the target perovskite film. Hence, the target rigid and flexible p-i-n PSCs yielded champion PCEs of 24.99 % and 23.48 %, respectively. More importantly, due to hydrogen bonding between formamidinium and fluorine, the target devices exhibited remarkable thermal, humidity, and operational tracking at maximum power point stabilities. The reduced Young's modulus and residual stress in the perovskite layer also provided excellent bending stability for flexible target devices.
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Affiliation(s)
- Jun Li
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Lisha Xie
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Guanhao Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU-CAS Joint Laboratory of Functional Materials and Devices, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Zhenwei Pu
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Xinyu Tong
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Shuncheng Yang
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Mengjin Yang
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Jian Liu
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Jiujiang Chen
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Yuanyuan Meng
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Ying Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU-CAS Joint Laboratory of Functional Materials and Devices, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Tao Wang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Ziyi Ge
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
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Barrett JS, Strauss JA, Chow LS, Shepherd SO, Wagenmakers AJM, Wang Y. GLUT4 localisation with the plasma membrane is unaffected by an increase in plasma free fatty acid availability. Lipids Health Dis 2024; 23:94. [PMID: 38566151 PMCID: PMC10986142 DOI: 10.1186/s12944-024-02079-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Insulin-stimulated glucose uptake into skeletal muscle occurs via translocation of GLUT4 from intracellular storage vesicles to the plasma membrane. Elevated free fatty acid (FFA) availability via a lipid infusion reduces glucose disposal, but this occurs in the absence of impaired proximal insulin signalling. Whether GLUT4 localisation to the plasma membrane is subsequently affected by elevated FFA availability is not known. METHODS Trained (n = 11) and sedentary (n = 10) individuals, matched for age, sex and body mass index, received either a 6 h lipid or glycerol infusion in the setting of a concurrent hyperinsulinaemic-euglycaemic clamp. Sequential muscle biopsies (0, 2 and 6 h) were analysed for GLUT4 membrane localisation and microvesicle size and distribution using immunofluorescence microscopy. RESULTS At baseline, trained individuals had more small GLUT4 spots at the plasma membrane, whereas sedentary individuals had larger GLUT4 spots. GLUT4 localisation with the plasma membrane increased at 2 h (P = 0.04) of the hyperinsulinemic-euglycemic clamp, and remained elevated until 6 h, with no differences between groups or infusion type. The number of GLUT4 spots was unchanged at 2 h of infusion. However, from 2 to 6 h there was a decrease in the number of small GLUT4 spots at the plasma membrane (P = 0.047), with no differences between groups or infusion type. CONCLUSION GLUT4 localisation with the plasma membrane increases during a hyperinsulinemic-euglycemic clamp, but this is not altered by elevated FFA availability. GLUT4 appears to disperse from small GLUT4 clusters located at the plasma membrane to support glucose uptake during a hyperinsulinaemic-euglycaemic clamp.
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Affiliation(s)
- J S Barrett
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom Street, Liverpool, L3 3AF, UK
| | - J A Strauss
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom Street, Liverpool, L3 3AF, UK
| | - L S Chow
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - S O Shepherd
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom Street, Liverpool, L3 3AF, UK.
| | - A J M Wagenmakers
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom Street, Liverpool, L3 3AF, UK
| | - Y Wang
- Discovery Sciences, AstraZeneca R&D, Cambridge Science Park, Milton Road, Cambridge, CB4 0WG, UK
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166
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Zhang Y, Kang Z, Wang J, Liu S, Liu X, Li Z, Li Y, Wang Y, Fu Z, Li J, Huang Y, Ru Z, Peng Y, Yang Z, Wang Y, Yang X, Luo M. Peptide OM-LV20 promotes arteriogenesis induced by femoral artery ligature via the miR-29b-3p/VEGFA axis. Atherosclerosis 2024; 391:117487. [PMID: 38492245 DOI: 10.1016/j.atherosclerosis.2024.117487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 02/18/2024] [Accepted: 02/22/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND AND AIMS Therapeutic arteriogenesis is a promising direction for the treatment of ischemic disease caused by atherosclerosis. However, pharmacological or biological approaches to stimulate functional collateral vessels are not yet available. Identifying new drug targets to promote and explore the underlying mechanisms for therapeutic arteriogenesis is necessary. METHODS Peptide OM-LV20 (20 ng/kg) was administered for 7 consecutive days on rat hindlimb ischemia model, collateral vessel growth was assessed by H&E staining, liquid latex perfusion, and specific immunofluorescence. In vitro, we detected the effect of OM-LV20 on human umbilical vein endothelial cells (HUVEC) proliferation and migration. After transfection, we performed quantitative real-time polymerase chain reaction, in situ-hybridization and dual luciferase reporters to assessed effective miRNAs and target genes. The proteins related to downstream signaling pathways were detected by Western blot. RESULTS OM-LV20 significantly increased visible collateral vessels and endothelial nitric oxide synthase (eNOS), together with enhanced inflammation cytokine and monocytes/macrophage infiltration in collateral vessels. In vitro, we defined a novel microRNA (miR-29b-3p), and its inhibition enhanced proliferation and migration of HUVEC, as well as the expression of vascular endothelial growth factor A (VEGFA). OM-LV20 also promoted migration and proliferation of HUVEC, and VEGFA expression was mediated via inhibition of miR-29b-3p. Furthermore, OM-LV20 influenced the protein levels of VEGFR2 and phosphatidylinositol3-kinase (PI3K)/AKT and eNOS in vitro and invivo. CONCLUSIONS Our data indicated that OM-LV20 enhanced arteriogenesis via the miR-29b-3p/VEGFA/VEGFR2-PI3K/AKT/eNOS axis, and highlighte the application potential of exogenous peptide molecular probes through miRNA, which could promote effective therapeutic arteriogenesis in ischemic conditions.
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Affiliation(s)
- Yingxuan Zhang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zijian Kang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jianjun Wang
- School of Clinical Medicine, Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Sahua Liu
- Department of Vascular Surgery, Hainan Affiliated Hospital of Hainan Medical University, Haikou, 571300, Hainan, China
| | - Xin Liu
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zhiruo Li
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yilin Li
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yinglei Wang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zhe Fu
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jiayi Li
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yubing Huang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zeqiong Ru
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Ying Peng
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zhiyu Yang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Ying Wang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources & Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission & Ministry of Education, School of Ethnic Medicine, Yunnan Minzu University, Kunming, Yunnan, 650504, China.
| | - Xinwang Yang
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China.
| | - Mingying Luo
- Department of Anatomy & Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China.
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167
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Shen HH, Zhang YY, Wang XY, Li MY, Liu ZX, Wang Y, Ye JF, Wu HH, Li MQ. Validation of mitochondrial biomarkers and immune dynamics in polycystic ovary syndrome. Am J Reprod Immunol 2024; 91:e13847. [PMID: 38661639 DOI: 10.1111/aji.13847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 03/26/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
PROBLEM Polycystic ovary syndrome (PCOS), a prevalent endocrine-metabolic disorder, presents considerable therapeutic challenges due to its complex and elusive pathophysiology. METHOD OF STUDY We employed three machine learning algorithms to identify potential biomarkers within a training dataset, comprising GSE138518, GSE155489, and GSE193123. The diagnostic accuracy of these biomarkers was rigorously evaluated using a validation dataset using area under the curve (AUC) metrics. Further validation in clinical samples was conducted using PCR and immunofluorescence techniques. Additionally, we investigate the complex interplay among immune cells in PCOS using CIBERSORT to uncover the relationships between the identified biomarkers and various immune cell types. RESULTS Our analysis identified ACSS2, LPIN1, and NR4A1 as key mitochondria-related biomarkers associated with PCOS. A notable difference was observed in the immune microenvironment between PCOS patients and healthy controls. In particular, LPIN1 exhibited a positive correlation with resting mast cells, whereas NR4A1 demonstrated a negative correlation with monocytes in PCOS patients. CONCLUSION ACSS2, LPIN1, and NR4A1 emerge as PCOS-related diagnostic biomarkers and potential intervention targets, opening new avenues for the diagnosis and management of PCOS.
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Affiliation(s)
- Hui-Hui Shen
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Yang-Yang Zhang
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Xuan-Yu Wang
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, People's Republic of China
| | - Meng-Ying Li
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Zhen-Xing Liu
- Center of Reproduction and Genetics, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Ying Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Jiang-Feng Ye
- Institute for Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore, Singapore
| | - Hui-Hua Wu
- Center of Reproduction and Genetics, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Ming-Qing Li
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
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168
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Yue X, Wang S, Dong Y, Chen W, Wang Y, Xu H, Zhang Z, Fang Y, Ju Y. Targeted metabolomics analysis based on HS-SPME-GC-MS to discriminate geographical origin of 'Muscat Hamburg' grape and wine. Food Res Int 2024; 181:114120. [PMID: 38448101 DOI: 10.1016/j.foodres.2024.114120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/03/2024] [Accepted: 02/07/2024] [Indexed: 03/08/2024]
Abstract
Monoterpenes are typical aroma components in muscat grapes and wines, closely related to its geographical origins. However, the mechanism underlying the geographical differences of monoterpenes remains to be elucidated, especially in the Chinese viticulture regions. This study investigated the diversity of six Chinese viticultural vineyards (YT, XF, SS, XX, WW and CL) in the monoterpene composition of Vitis vinifera L. cv.'Muscat Hamburg' grapes and the resulted wines. Monoterpenes were analyzed by HS-SPME- GC-MS. The total amount of free and bound monoterpenes varied dramatically between grapes of different vineyards, and their contents were obviously higher in YT region grapes. The OAVs for 18 monoterpenes of grapes from the YT vineyard were relative higher than those of other regions, and the floral odor could distinguish grapes from different regions. The total free monoterpenes were highest in the YT region wine. Concentrations of total bound monoterpenes ranged from 711.13 μg/L (XF region) to 1078.30 μg/L (CL region). A correlation analysis showed that all monoterpenes showeda positive correlation with mean relative humidity, sum rainfall, and a negative correlation with sum duration of sunshine and mean temperature. This study would provide some new insights to understand the geographical differences of monoterpenes, and the results would facilitate the effective viticultural treatment of grapes to improve the quality of the aroma.
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Affiliation(s)
- Xiaofeng Yue
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Shu Wang
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Yang Dong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, PR China.
| | - Wei Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, PR China.
| | - Ying Wang
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Huaide Xu
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Zhenwen Zhang
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Yulin Fang
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
| | - Yanlun Ju
- College of Food Science and Engineering, College of Enology, Northwest A&F University, Yangling 712100, PR China.
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169
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Li P, Han F, Jin X, Wang Y, Zhao Y. [Diagnosis and treatment of spontaneous meningoencephalocele in lateral recess of sphenoid sinus and analysis of its influencing factors]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2024; 38:288-291;297. [PMID: 38563170 DOI: 10.13201/j.issn.2096-7993.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Indexed: 04/04/2024]
Abstract
Objective:To explore the influencing factors of adult spontaneous meningoencephalocele, which occurs in the lateral recess of sphenoid sinus, in order to improve the level of clinical diagnosis and treatment. Methods:The clinical data of 27 adults with spontaneous meningoencephalocele in lateral recess of sphenoid sinus in Department of the Otorhinolaryngology, the First Affiliated Hospital of Zhengzhou University from January 2017 to December 2022 were retrospectively analyzed. Preoperative sinus CT and MRI were performed to confirm the diagnosis and location of meningoencephalocele. Results:①There were 0 cases of lateral recess of sphenoid sinus type Ⅰ, 8 cases of lateral recess of sphenoid sinus type Ⅱ and 19 cases of lateral recess of sphenoid sinus type Ⅲ. ②Among the 27 adult patients with spontaneous meningoencephalocele, 9 were male and 18 were female, and the onset age was 19-72 years old, with an average age of(50.7±12.4) years old. 18 cases were complicated with cerebrospinal fluid leakage, 11 cases with headache and dizziness, 3 cases with recurrent meningitis(complicated with cerebrospinal fluid leakage), and 2 cases with epilepsy. ③There were 20 patients with intracranial hypertension, 17 patients with body mass index(BMI) ≥25 kg/m², and 8 patients with empty sella. Conclusion:Type Ⅲ of lateral recess of sphenoid sinus is the most common type in adult spontaneous meningoencephalocele, and intracranial hypertension and obesity are the influencing factors of this disease. Puncture, biopsy or operation should not be performed for patients suspected of spontaneous meningoencephalocele, and imaging examination should be performed to identify the source of the tumor.
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Affiliation(s)
- Ping Li
- Department of the Otorhinolaryngology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450052,China
| | - Feiyan Han
- Department of the Otorhinolaryngology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450052,China
| | - Xiaolang Jin
- Department of the Otorhinolaryngology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450052,China
| | - Ying Wang
- Department of the Otorhinolaryngology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450052,China
| | - Yulin Zhao
- Department of the Otorhinolaryngology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450052,China
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170
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Fan Z, Lali MN, Xiong H, Luo Y, Wang Y, Wang Y, Lu M, Wang J, He X, Shi X, Zhang Y. Seedlings of Poncirus trifoliata exhibit tissue-specific detoxification in response to NH 4 + toxicity. Plant Biol (Stuttg) 2024; 26:467-475. [PMID: 38466186 DOI: 10.1111/plb.13621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Abstract
Ammonium nitrogen (NH4 +-N) is essential for fruit tree growth, but the impact of excess NH4 +-N from fertilizer on evergreen citrus trees is unclear. In a climate chamber, 8-month-old citrus plants were exposed to five different hydroponic NH4 +-N concentrations (0, 5, 10, 15 and 20 mm) for 1 month to study effects of NH4 +-N on growth characteristics, N uptake, metabolism, antioxidant enzymes and osmotic regulatory substances. Application of 10 mm NH4 +-N adversely affected root plasma membrane integrity, root physiological functions, and plant biomass. MDA, CAT, POD, APX and SOD content were significantly correlated with leaf N metabolic enzyme activity (GOGAT, GDH, GS and NR). GDH was the primary enzyme involved in NH4 +-N assimilation in leaves, while the primary pathway involved in roots was GS-GOGAT. Under comparatively high NH4 + addition, roots were the main organs involved in NH4 + utilization in citrus seedlings. Our results demonstrated that variations in NH4 + concentration and enzyme activity in various organs are associated with more effective N metabolism in roots than in leaves to prevent NH4 + toxicity in evergreen woody citrus plants. These results provide insight into the N forms used by citrus plants that are important for N fertilizer management.
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Affiliation(s)
- Z Fan
- College of Resources and Environment, Southwest University, Chongqing, China
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, China
| | - M N Lali
- College of Resources and Environment, Southwest University, Chongqing, China
- Department of Forestry and Natural Resources, Faculty of Agriculture, Bamyan University, Bamyan, Afghanistan
| | - H Xiong
- College of Resources and Environment, Southwest University, Chongqing, China
| | - Y Luo
- College of Resources and Environment, Southwest University, Chongqing, China
| | - Y Wang
- College of Resources and Environment, Southwest University, Chongqing, China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, China
| | - Y Wang
- Development and Guidance Station of Cereal and Oil Crops in Hechuan District, Chongqing, China
| | - M Lu
- College of Resources and Environment, Southwest University, Chongqing, China
- Chongqing Agro-Tech Extension Station, Chongqing, China
| | - J Wang
- College of Resources and Environment, Southwest University, Chongqing, China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, China
| | - X He
- College of Resources and Environment, Southwest University, Chongqing, China
| | - X Shi
- College of Resources and Environment, Southwest University, Chongqing, China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, China
| | - Y Zhang
- College of Resources and Environment, Southwest University, Chongqing, China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, China
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171
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Su C, Xie T, Jiang L, Wang Y, Wang Y, Nie R, Zhao Y, He B, Ma J, Yang Q, Hao J. Host genetics and larval host plant modulate microbiome structure and evolution underlying the intimate insect-microbe-plant interactions in Parnassius species on the Qinghai-Tibet Plateau. Ecol Evol 2024; 14:e11218. [PMID: 38606343 PMCID: PMC11007261 DOI: 10.1002/ece3.11218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/09/2024] [Accepted: 03/20/2024] [Indexed: 04/13/2024] Open
Abstract
Insects harbor a remarkable diversity of gut microbiomes critical for host survival, health, and fitness, but the mechanism of this structured symbiotic community remains poorly known, especially for the insect group consisting of many closely related species that inhabit the Qinghai-Tibet Plateau. Here, we firstly analyzed population-level 16S rRNA microbial dataset, comprising 11 Parnassius species covering 5 subgenera, from 14 populations mostly sampled in mountainous regions across northwestern-to-southeastern China, and meanwhile clarified the relative importance of multiple factors on gut microbial community structure and evolution. Our findings indicated that both host genetics and larval host plant modulated gut microbial diversity and community structure. Moreover, the effect analysis of host genetics and larval diet on gut microbiomes showed that host genetics played a critical role in governing the gut microbial beta diversity and the symbiotic community structure, while larval host plant remarkably influenced the functional evolution of gut microbiomes. These findings of the intimate insect-microbe-plant interactions jointly provide some new insights into the correlation among the host genetic background, larval host plant, the structure and evolution of gut microbiome, as well as the mechanisms of high-altitude adaptation in closely related species of this alpine butterfly group.
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Affiliation(s)
- Chengyong Su
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Tingting Xie
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Lijun Jiang
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Yunliang Wang
- College of Life SciencesAnhui Normal UniversityWuhuChina
- College of Physical EducationAnhui Normal UniversityWuhuChina
| | - Ying Wang
- College of Life SciencesAnhui Normal UniversityWuhuChina
- College of Physical EducationAnhui Normal UniversityWuhuChina
| | - Ruie Nie
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Youjie Zhao
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Bo He
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Junye Ma
- Key Laboratory of Palaeobiology and Petroleum Stratigraphy, Center for Excellence in Life and Palaeoenvironment, Nanjing Institute of Geology and PaleontologyChinese Academy of SciencesNanjingChina
| | - Qun Yang
- Key Laboratory of Palaeobiology and Petroleum Stratigraphy, Center for Excellence in Life and Palaeoenvironment, Nanjing Institute of Geology and PaleontologyChinese Academy of SciencesNanjingChina
- Nanjing CollegeUniversity of Chinese Academy of SciencesNanjingChina
| | - Jiasheng Hao
- College of Life SciencesAnhui Normal UniversityWuhuChina
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172
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Tao W, Xie P, Huang C, Wang Y, Huang Y, Yin Z. Construction of PLGA nanoparticles modified with RWrNM and DLPC and their application in acute rhinosinusitis. Drug Deliv Transl Res 2024; 14:1063-1076. [PMID: 37966678 DOI: 10.1007/s13346-023-01450-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2023] [Indexed: 11/16/2023]
Abstract
In an effort to overcome the nasal mucus barrier and epithelial barrier, as well as reduce entry into the bloodstream, we designed RWrNM and DLPC-modified PLGA nanoparticles (PDR-NPs). These nanoparticles were further encapsulated with dexamethasone acetate (Dexac) to form Dexac/PDR-NPs. Transmission electron microscopy (TEM) analysis revealed their spherical shape with an outer lipid layer. Dynamic light scattering (DLS) determined their particle size to be 125.77 ± 2.01 nm, with a polydispersity index (PDI) of 0.139 ± 0.029. The experimental results demonstrate that DLPC-modified PLGA nanoparticles can effectively reduce interactions with mucin at different concentrations, decrease aggregation, and facilitate their crossing of the mucus barrier. Additionally, results from the cellular uptake assay revealed a significantly greater uptake of PDR-NPs by inflammatory RAW 264.7 cells (2.99-fold higher than that of free C6, p < 0.0001) and inflammatory HUVECs (7.20-fold higher than that of free C6, p < 0.0001). Furthermore, Dexac/PDR-NPs effectively reduced the levels of inflammatory factors nitric oxide (NO) (p < 0.001) and interleukin-6 (IL-6) (p < 0.05) in the supernatant of inflammatory RAW 264.7 cells. Intravital imaging of rats revealed that PDR-NPs had a longer residence time in inflamed nasal tissue compared to PD-NPs. Furthermore, in vivo pharmacodynamic experiments showed that Dexac/PDR-NPs effectively reduced the symptoms of nasal inflammation, lowered the pH of nasal secretions, decreased serum inflammatory factor levels (TNF-α and IL-6), and reduced nasal mucosal inflammatory factor levels (IL-1β), while also reducing the degree of inflammation in the nasal mucosa. Both cytotoxicity assays and in vivo results indicate that PDR-NPs have a good safety profile. PDR-NPs not only overcome the nasal mucus barrier but also reduce the systemic toxicities associated with drug entry into the circulation by enhancing the targeting of inflammatory macrophages and inflammatory vascular endothelial cells. PDR-NPs allow for an "open sources and cut costs" treatment strategy to increase drug retention in the inflamed nasal tissues, reducing toxicity and increasing efficacy. In conclusion, PDR-NPs can be a promising drug delivery system for the local treatment of acute rhinosinusitis.
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Affiliation(s)
- Wanjun Tao
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3 Southern Renmin Road, Chengdu, 610041, China
| | - Pei Xie
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3 Southern Renmin Road, Chengdu, 610041, China
| | - Chengyuan Huang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3 Southern Renmin Road, Chengdu, 610041, China
| | - Ying Wang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3 Southern Renmin Road, Chengdu, 610041, China
| | - Yu Huang
- Haisco Pharmaceutical Group Co., Ltd, Chengdu, China
| | - Zongning Yin
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3 Southern Renmin Road, Chengdu, 610041, China.
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173
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Xiao Z, Cui X, Liu F, Wang Y, Liu X, Zhou W, Zhang Y. Tumor vascular disrupting agent 5,6-dimethylxanthenone-4-acetic acid (DMXAA): Suppresses macrophage capping protein beyond STING activation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167149. [PMID: 38565383 DOI: 10.1016/j.bbadis.2024.167149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 03/04/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
The vascular disrupting agent (VDA) 5,6-dimethylxanthenone-4-acetic acid (DMXAA) induces apoptosis in vascular endothelial cells and leads to tumor hemorrhagic necrosis. While DMXAA has been proven to be a potent agonist of murine stimulator of interferon genes (mSTING), it has little effect on human-STING (hSTING). This species selectivity of DMXAA may explain its effectiveness against solid tumors in mice and its failure in clinical trials. However, DMXAA did reduce tumor volume in some patients during clinical trials. These paradoxical results have prompted us to investigate the anti-tumor mechanism of DMXAA beyond STING in the destruction of tumor vasculature in humans. In this study, we demonstrated that DMXAA binds to both human and mouse macrophage capping protein (CapG), with a KD of 5.839 μM for hCapG and a KD of 2.867 μM for mCapG, as determined by surface plasmon resonance (SPR) analysis. Homology modeling and molecular docking analysis of hCapG indicated that the critical residues involved in the hydrogen bond interaction of DMXAA with hCapG were Arg153, Thr151, and GLN141, Asn234. In addition, electrostatic pi-cation interaction occurred between DMXAA and hCapG. Further functional studies revealed that CapG protein plays a crucial role in the effects of DMXAA on human umbilical endothelial vein cell (HUEVC) angiogenesis and migration, as well as the expression of cytoskeletal proteins actin and tubulin, and the invasion of A549 lung adenocarcinoma cells. Our study has originally uncovered a novel cross-species pathway underlying the antitumor vascular disruption of DMXAA extends beyond STING activation. This finding deepens our understanding of the multifaceted actions of flavonoid VDAs in animal models and in clinical settings, and may provide insights for the precise therapy of DMXAA based on the biomarker CapG protein.
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Affiliation(s)
- Zhiyong Xiao
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Xia Cui
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Feng Liu
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Ying Wang
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Xiao Liu
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wenxia Zhou
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Yongxiang Zhang
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
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Caimi PF, Ai WZ, Alderuccio JP, Ardeshna KM, Hamadani M, Hess B, Kahl BS, Radford J, Solh M, Stathis A, Zinzani PL, Wang Y, Qin Y, Wang L, Xu ZC, Carlo-Stella C. Loncastuximab tesirine in relapsed/refractory diffuse large B-cell lymphoma: long-term efficacy and safety from the phase II LOTIS-2 study. Haematologica 2024; 109:1184-1193. [PMID: 37646659 PMCID: PMC10985439 DOI: 10.3324/haematol.2023.283459] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023] Open
Abstract
Therapies that demonstrate durable, long-term responses with manageable safety and tolerability are needed for patients with relapsed/refractory diffuse large B-cell lymphoma (R/R DLBCL). Loncastuximab tesirine (loncastuximab tesirine-lpyl [Lonca]), an anti-CD19 antibody conjugated to a potent pyrrolobenzodiazepine dimer, demonstrated single-agent antitumor activity in the pivotal phase II LOTIS-2 study in heavily pretreated patients with R/R DLBCL. Here we present updated efficacy and safety analyses from LOTIS-2, performed for all patients and in subsets of patients with a complete response (CR), including patients with CR who were event-free (no progressive disease or death) for ≥1 year and ≥2 years from cycle 1, day 1 of treatment. Lonca was administered every 3 weeks (0.15 mg/kg for 2 cycles; 0.075 mg/kg for subsequent cycles). As of the final data cutoff (September 15, 2022; median follow-up: 7.8 months [range, 0.3-42.6]), 70 of 145 (48.3%) patients achieved an overall response. Thirty-six (24.8%) patients achieved CR, of which 16 (44%) and 11 (31%) were event-free for ≥1 year and ≥2 years, respectively. In the all-treated population, the median overall survival was 9.5 months; the median progression-free survival was 4.9 months. Among patients with CR, median overall survival and progression-free survival were not reached, with 24-month overall and progression-free survival rates of 68.2% (95% CI: 50.0-81.0) and 72.5% (95% CI: 48.2-86.8), respectively. No new safety concerns were detected. With additional follow-up, Lonca continued to demonstrate durable, long-term responses with manageable safety and tolerability in patients with CR (clinicaltrials gov. Identifier: NCT03589469).
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Affiliation(s)
- Paolo F Caimi
- Cleveland Clinic Taussig Cancer Center, Cleveland, OH.
| | - Weiyun Z Ai
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA
| | - Juan Pablo Alderuccio
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL
| | - Kirit M Ardeshna
- University College London Hospitals NHS Foundation Trust, London, United Kingdom
| | - Mehdi Hamadani
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Brian Hess
- Medical University of South Carolina, Charleston, SC
| | | | - John Radford
- NIHR Clinical Research Facility, University of Manchester and the Christie NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Melhem Solh
- Blood and Marrow Transplant Program at Northside Hospital, Atlanta, GA
| | - Anastasios Stathis
- Oncology Institute of Southern Switzerland, EOC, Bellinzona, Switzerland
| | - Pier Luigi Zinzani
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli," Bologna, Italy; Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, Bologna
| | - Ying Wang
- ADC Therapeutics America, Inc., Murray Hill, NJ
| | - Yajuan Qin
- ADC Therapeutics America, Inc., Murray Hill, NJ
| | | | | | - Carmelo Carlo-Stella
- Department of Biomedical Sciences, Humanitas University, and Department of Oncology and Hematology, Humanitas Research Hospital-IRCCS, Milano
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175
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Hu L, Tang D, Qi B, Guo D, Wang Y, Geng J, Zhang X, Song L, Chang P, Chen W, Fu F, Li Y. Mfn2/Hsc70 Complex Mediates the Formation of Mitochondria-Lipid Droplets Membrane Contact and Regulates Myocardial Lipid Metabolism. Adv Sci (Weinh) 2024; 11:e2307749. [PMID: 38311582 PMCID: PMC11005711 DOI: 10.1002/advs.202307749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/17/2024] [Indexed: 02/06/2024]
Abstract
The heart primarily derives its energy through lipid oxidation. In cardiomyocytes, lipids are stored in lipid droplets (LDs) and are utilized in mitochondria, although the structural and functional connections between these two organelles remain largely unknown. In this study, visible evidence have presented indicating that a complex is formed at the mitochondria-LD membrane contact (MLC) site, involving mitochondrion-localized Mfn2 and LD-localized Hsc70. This complex serves to tether mitochondria to LDs, facilitating the transfer of fatty acids (FAs) from LDs to mitochondria for β-oxidation. Reduction of Mfn2 induced by lipid overload inhibits MLC, hinders FA transfer, and results in lipid accumulation. Restoring Mfn2 reinstates MLC, alleviating myocardial lipotoxicity under lipid overload conditions both in-vivo and in-vitro. Additionally, prolonged lipid overload induces Mfn2 degradation through the ubiquitin-proteasome pathway, following Mfn2 acetylation at the K243 site. This leads to the transition from adaptive lipid utilization to maladaptive lipotoxicity. The experimental findings are supported by clinical data from patients with obesity and age-matched non-obese individuals. These translational results make a significant contribution to the molecular understanding of MLC in the heart, and offer new insights into its role in myocardial lipotoxicity.
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Affiliation(s)
- Lang Hu
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Daishi Tang
- Digestive System DepartmentShaanxi Provincial Crops Hospital of Chinese People's Armed Police ForceXi'an710032China
| | - Bingchao Qi
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Dong Guo
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Ying Wang
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Jing Geng
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Xiaoliang Zhang
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
| | - Liqiang Song
- Department of RespirologyXijing HospitalAirforce Medical UniversityXi'an710032China
| | - Pan Chang
- Department of CardiologyThe Second Affiliated Hospital of Xi'an Medical CollegeXi'an710032China
| | - Wensheng Chen
- Department of Cardiovascular SurgeryXi'an Gaoxin HospitalXi'an710032China
| | - Feng Fu
- Department of Physiology and PathophysiologyAirforce Medical UniversityXi'an710032China
| | - Yan Li
- Department of CardiologyTangdu HospitalAirforce Medical UniversityXi'an710032China
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176
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Kieda J, Shakeri A, Landau S, Wang EY, Zhao Y, Lai BF, Okhovatian S, Wang Y, Jiang R, Radisic M. Advances in cardiac tissue engineering and heart-on-a-chip. J Biomed Mater Res A 2024; 112:492-511. [PMID: 37909362 DOI: 10.1002/jbm.a.37633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/26/2023] [Accepted: 10/13/2023] [Indexed: 11/03/2023]
Abstract
Recent advances in both cardiac tissue engineering and hearts-on-a-chip are grounded in new biomaterial development as well as the employment of innovative fabrication techniques that enable precise control of the mechanical, electrical, and structural properties of the cardiac tissues being modelled. The elongated structure of cardiomyocytes requires tuning of substrate properties and application of biophysical stimuli to drive its mature phenotype. Landmark advances have already been achieved with induced pluripotent stem cell-derived cardiac patches that advanced to human testing. Heart-on-a-chip platforms are now commonly used by a number of pharmaceutical and biotechnology companies. Here, we provide an overview of cardiac physiology in order to better define the requirements for functional tissue recapitulation. We then discuss the biomaterials most commonly used in both cardiac tissue engineering and heart-on-a-chip, followed by the discussion of recent representative studies in both fields. We outline significant challenges common to both fields, specifically: scalable tissue fabrication and platform standardization, improving cellular fidelity through effective tissue vascularization, achieving adult tissue maturation, and ultimately developing cryopreservation protocols so that the tissues are available off the shelf.
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Affiliation(s)
- Jennifer Kieda
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Amid Shakeri
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Shira Landau
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Erika Yan Wang
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Yimu Zhao
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Benjamin Fook Lai
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Sargol Okhovatian
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Ying Wang
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Richard Jiang
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada
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177
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Wang Y, Wu J, Wang D, Wan M, Li X, Zhang L, Yang D, Liu F, Liu J, Li K, Zhang S, Lu H. BPA induces hepatotoxicity in zebrafish through oxidative stress and apoptosis pathways. Fish Physiol Biochem 2024; 50:403-412. [PMID: 38085449 DOI: 10.1007/s10695-023-01284-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/04/2023] [Indexed: 04/17/2024]
Abstract
BPA is so ubiquitous that 27 million tons of BPA-containing plastic, including mineral water bottles and baby bottles, is produced worldwide each year. The potential toxicity of BPA to humans and aquatic organisms has been the subject of intense research. In this study, a zebrafish model system was used to assess BPA-mediated hepatotoxicity. Zebrafish larvae at 72-144 hpf were exposed to BPA at different concentrations (0,1, 3 and 5mg/L). For example, BPA-treated zebrafish larvae showed increased mortality, delayed uptake of nutrients in yolk sac, shortened body length, smaller liver area, abnormal expression of genes related to liver development, and pathological changes in the liver tissue. Mechanistically, BPA exposure induced excessive oxidative stress in the liver of zebrafish and increased the level of hepatocyte apoptosis in zebrafish larvae, and the antioxidant astaxanthin could rescue the BPA-mediated liver toxicity.
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Affiliation(s)
- Ying Wang
- College of Pharmacy, Nanchang University, Nangchang, 330027, Jiangxi, China
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Jie Wu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Dagang Wang
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Mengqi Wan
- Department of General Surgery, Jiangxi Provincial Children's Hospital, Nanchang, 330006, China
| | - Xue Li
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Li Zhang
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Dou Yang
- College of Pharmacy, Nanchang University, Nangchang, 330027, Jiangxi, China
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Fasheng Liu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Jiejun Liu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Kehao Li
- Department of General Surgery, Jiangxi Provincial Children's Hospital, Nanchang, 330006, China
| | - Shouhua Zhang
- College of Pharmacy, Nanchang University, Nangchang, 330027, Jiangxi, China.
- Department of General Surgery, Jiangxi Provincial Children's Hospital, Nanchang, 330006, China.
| | - Huiqiang Lu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, 343009, China.
- Affiliated Hospital of Jinggangshan University, Jian, 343000, Jiangxi Province, China.
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178
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Liang P, Xie Y, Liu Z, Wang D, Li Q, Lu Y, Xue S, Wang Y, Chen S, Wu D, Fu J. Venetoclax and hypomethylating agents in critically ill patients with newly diagnosed acute myeloid leukaemia. Br J Haematol 2024; 204:1219-1226. [PMID: 38180132 DOI: 10.1111/bjh.19291] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/10/2023] [Accepted: 12/23/2023] [Indexed: 01/06/2024]
Abstract
Venetoclax (VEN) in combination with hypomethylating agents (HMAs) is considered the standard of treatment for individuals with newly diagnosed acute myeloid leukaemia (AML) who are ineligible for intensive chemotherapy. We conducted a retrospective analysis that encompassed 16 critically ill patients newly diagnosed with AML who were admitted to the intensive care unit (ICU) and received the VEN and HMA regimen. Among them, 13 were primary AML, and three were MDS-transformed AML. The mean Acute Physiology and Chronic Health Evaluation II (APACHE II) score was 18.9, and the mean sepsis-related organ failure assessment score (SOFA) was 6.2. The average length of the ICU stay was 27.3 days. The median duration of VEN administration was 16 days. After the first course of VEN + HMA, 12 cases (75%) achieved complete remission (CR) or CR with incomplete haematological recovery (CRi). Among the five patients harbouring TP53 mutations, the overall response rate (ORR) was 90%. All patients experienced grade 3-4 haematological adverse events (AEs). With a median follow-up of 9.5 months (range: 0.5-23), the overall survival (OS) rate was 43.75%. TP53-wild patients and CR state after the first course of VEN-HMA indicated better survival. The combination of VEN and HMA has demonstrated a significantly elevated therapeutic response rate in newly diagnosed AML patients with critical illness.
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Affiliation(s)
- Peiqi Liang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Yan Xie
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Ziyi Liu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Dong Wang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Qian Li
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Yin Lu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Shengli Xue
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Ying Wang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Deipei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
| | - Jianhong Fu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, China
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179
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Ye J, Gao X, Wang Z, An J, Wang Y, Liu Q, Kong Z, Qi J, Wang Z, Li W, Song J, Xia G. Difunctional Ag nanoparticles with high lithiophilic and conductive decorate on core-shell SiO 2 nanospheres for dendrite-free lithium metal anodes. J Colloid Interface Sci 2024; 659:21-30. [PMID: 38157723 DOI: 10.1016/j.jcis.2023.12.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/10/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
Lithium metal is an attractive and promising anode material due to its high energy density and low working potential. However, the uncontrolled growth of lithium dendrites during repeated plating and stripping processes hinders the practical application of lithium metal batteries, leading to low Coulombic efficiency, poor lifespan, and safety concerns. In this study, we synthesized highly lithiophilic and conductive Ag nanoparticles decorated on SiO2 nanospheres to construct an optimized lithium host for promoting uniform Li deposition. The Ag nanoparticles not only act as lithiophilic sites but also provide high electrical conductivity to the Ag@SiO2@Ag anode. Additionally, the SiO2 layer serves as a lithiophilic nucleation agent, ensuring homogeneous lithium deposition and suppressing the growth of lithium dendrites. Theoretical calculations further confirm that the combination of Ag nanoparticles and SiO2 effectively enhances the adsorption ability of Ag@SiO2@Ag with Li+ ions compared to pure Ag and SiO2 materials. As a result, the Ag@SiO2@Ag coating, with its balanced lithiophilicity and conductivity, demonstrates excellent electrochemical performance, including high Coulombic efficiency, low polarization voltage, and long cycle life. In a full lithium metal cell with LiFePO4 cathode, the Ag@SiO2@Ag anode exhibits a high capacity of 133.1 and 121.4 mAh/g after 200 cycles at rates of 0.5 and 1C, respectively. These results highlight the synergistic coupling of lithiophilicity and conductivity in the Ag@SiO2@Ag coating, providing valuable insights into the field of lithiophilic chemistry and its potential for achieving high-performance batteries in the next generation.
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Affiliation(s)
- Jiajia Ye
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China.
| | - Xing Gao
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Zifan Wang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Juan An
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Ying Wang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Qingli Liu
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Zhen Kong
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Jiaxu Qi
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Zhao Wang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Wensi Li
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan 250200, China
| | - Jibin Song
- College of Chemistry, Beijing University of Chemical Technology, Beijing 10010, China.
| | - Guang Xia
- i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou 215123, Jiangsu, China.
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180
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George GV, Wallace DS, Wang Y, Carney J, Elsadawi M, Burack WR, Evans AG, Barr PM, Velez MJ, El Hussein S. ALK-rearranged CD30-positive poorly differentiated lung adenocarcinoma, mimicking anaplastic large-cell lymphoma. Histopathology 2024; 84:900-902. [PMID: 38032068 DOI: 10.1111/his.15105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/31/2023] [Accepted: 11/12/2023] [Indexed: 12/01/2023]
Affiliation(s)
- Giby V George
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - Danielle S Wallace
- Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
- Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA
| | - Ying Wang
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - John Carney
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - Murad Elsadawi
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - W Richard Burack
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - Andrew G Evans
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - Paul M Barr
- Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
- Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA
| | - Moises J Velez
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
| | - Siba El Hussein
- Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA
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181
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Xu Y, Zhu XY, Feng H, Yu XP, Wang Y, Rong X, Qi TY. The value of quantitative contrast-enhanced ultrasonography analysis in evaluating central retinal artery microcirculation in patients with diabetes mellitus: comparison with colour Doppler imaging. Clin Radiol 2024; 79:e560-e566. [PMID: 38336532 DOI: 10.1016/j.crad.2024.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/12/2023] [Accepted: 01/12/2024] [Indexed: 02/12/2024]
Abstract
AIM To compare the efficacy of quantitative contrast-enhanced ultrasonography (CEUS) analysis and colour Doppler ultrasound (CDU) in evaluating central retinal artery (CRA) microcirculation in patients with diabetes mellitus (DM). MATERIALS AND METHODS In this prospective study, a total of 55 patients (98 eyes) with DM were enrolled as the study group. They were compared to 46 age-matched healthy volunteers (92 eyes) who were selected as the control group. Each patient underwent CDU and subsequent CEUS examination. CDU and quantitative CEUS parameters were evaluated. The diagnostic efficiency of the diagnostic performance of CEUS and CDU was evaluated and compared, and the scale thresholds of predictive indicators for the diagnosis of proliferative diabetic retinopathy (PDR) were evaluated using receiver operating characteristics (ROC) curve analyses. RESULTS Group pairwise comparisons showed that the end diastolic velocity (EDV) and arrival time (AT) of CRA were significant predictors for PDR by CDU and by quantitative CEUS analysis, respectively (all p<0.05). The ROC curve analysis showed that the area under the curve value of AT was significantly higher than that of EDV (0.875 versus 0.634, p=0.0002). Accordingly, an AT cut-off value of 1.07 seconds resulted a sensitivity of 90.62 % and a specificity of 79.31 %. CONCLUSION Quantitative CEUS analysis can improve the accuracy of clinical staging of diabetic retinopathy for the patients with DM, and the AT showed the best diagnostic efficiency.
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Affiliation(s)
- Y Xu
- Department of Ultrasound, Medical Imaging Center, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - X Y Zhu
- Department of Ophthalmology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - H Feng
- Department of Ultrasound, Medical Imaging Center, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - X P Yu
- Department of Ultrasound, Medical Imaging Center, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - Y Wang
- Department of Ophthalmology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - X Rong
- Department of Ultrasound, Medical Imaging Center, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China
| | - T Y Qi
- Department of Ultrasound, Medical Imaging Center, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, China.
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Wang Z, Liao C, Lu Q, Sun Y, Wang Y, Zhang Y, Liu J, Su X, Mei Q. Glucose-lightened upconversion nanoprobes for accurate cellular-discrimination based on Warburg effect. Anal Chim Acta 2024; 1296:342334. [PMID: 38401941 DOI: 10.1016/j.aca.2024.342334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/02/2024] [Accepted: 02/04/2024] [Indexed: 02/26/2024]
Abstract
Accurate cellular-recognition based disease therapy is of significance for precision medicine. However, except of specific antibody-coupling strategy, very few probes have been reported to efficiently discriminate normal cells and lesion cells through cellular microenvironment. Herein, we proposed a glucose selectively-lightened upconversion nanoprobe to recognize cancer cells from a pile of normal cells based on Warburg effect, that indicated a heightened demand for glucose intake for cancer cells. The nanoprobes were constructed by mesoporous silica-coated upconversion nanoparticles (UCNP@mSiO2) with the crucial incorporation of a glucose-responsive modality, benzoboric acid (BA)-modified fluorescein molecules (FITC-BA). In cancer cells, the presence of elevated glucose concentrations triggered the transformation of FITC-BA to FITC-Glucose to recover nanoprobes' luminescence, however, the nanoprobes exhibited a shielded luminescent effect in healthy cells. To validate the hypothesis of accurate cellular-discrimination, a photodynamic therapy modality, riboflavin, with a specific ratio were also loaded into above UCNP@mSiO2 nanoprobes for effective production of reactive oxygen species to kill cells. It was found that 97.8% of cancer cells were cleaned up, but normal cells retained a nearly 100% viability after 10 min laser illumination. By leveraging the metabolic disparity from Warburg effect, the nanoprobes offer a highly accurate cellular discrimination, and significantly mitigate "off-target" damage commonly associated with conventional therapies.
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Affiliation(s)
- Zihe Wang
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Cheng Liao
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Qi Lu
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Yaru Sun
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Ying Wang
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Yi Zhang
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China.
| | - Jinming Liu
- Department of Intensive Care Unit, Zhongshan Torch Development Zone People's Hospital, Zhongshan, Guangdong, 528436, PR China
| | - Xiaohu Su
- Department of Intensive Care Unit, Zhongshan Torch Development Zone People's Hospital, Zhongshan, Guangdong, 528436, PR China.
| | - Qingsong Mei
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, Guangdong, 510632, PR China.
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Li H, Sun M, Lei F, Liu J, Chen X, Li Y, Wang Y, Lu J, Yu D, Gao Y, Xu J, Chen H, Li M, Yi Z, He X, Chen L. Methyl rosmarinate is an allosteric inhibitor of SARS-CoV-2 3 CL protease as a potential candidate against SARS-cov-2 infection. Antiviral Res 2024; 224:105841. [PMID: 38408645 DOI: 10.1016/j.antiviral.2024.105841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/09/2024] [Accepted: 02/24/2024] [Indexed: 02/28/2024]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been ongoing for more than three years and urgently needs to be addressed. Traditional Chinese medicine (TCM) prescriptions have played an important role in the clinical treatment of patients with COVID-19 in China. However, it is difficult to uncover the potential molecular mechanisms of the active ingredients in these TCM prescriptions. In this paper, we developed a new approach by integrating the experimental assay, virtual screening, and the experimental verification, exploring the rapid discovery of active ingredients from TCM prescriptions. To achieve this goal, 4 TCM prescriptions in clinical use for different indications were selected to find the antiviral active ingredients in TCMs. The 3-chymotrypsin-like protease (3CLpro), an important target for fighting COVID-19, was utilized to determine the inhibitory activity of the TCM prescriptions and single herb. It was found that 10 single herbs had better inhibitory activity than other herbs by using a fluorescence resonance energy transfer (FRET) - based enzymatic assay of SARS-CoV-2 3CLpro. The ingredients contained in 10 herbs were thus virtually screened and the predicted active ingredients were experimentally validated. Thus, such a research strategy firstly removed many single herbs with no inhibitory activity against SARS-CoV-2 3CLpro at the very beginning by FRET-based assay, making our subsequent virtual screening more effective. Finally, 4 active components were found to have stronger inhibitory effects on SARS-CoV-2 3CLpro, and their inhibitory mechanism was subsequently investigated. Among of them, methyl rosmarinate as an allosteric inhibitor of SARS-CoV-2 3CLpro was confirmed and its ability to inhibit viral replication was demonstrated by the SARS-CoV-2 replicon system. To validate the binding mode via docking, the mutation experiment, circular dichroism (CD), enzymatic inhibition and surface plasmon resonance (SPR) assay were performed, demonstrating that methyl rosmarinate bound to the allosteric site of SARS-CoV-2 3CLpro. In conclusion, this paper provides the new ideas for the rapid discovery of active ingredients in TCM prescriptions based on a specific target, and methyl rosmarinate has the potential to be developed as an antiviral therapeutic candidate against SARS-CoV-2 infection.
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Affiliation(s)
- Hongtao Li
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Meng Sun
- Department of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Fuzhi Lei
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, and Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai, China
| | - Jinfeng Liu
- Department of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China; Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Xixiang Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yaqi Li
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha 410081, China; Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, China; Peptide and small Molecule Drug R&D Plateform, Furong Laboratory, Hunan Normal University, Changsha 410081, Hunan, China; DP Technology, Beijing, China
| | - Ying Wang
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha 410081, China; Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, China; Peptide and small Molecule Drug R&D Plateform, Furong Laboratory, Hunan Normal University, Changsha 410081, Hunan, China
| | - Jiani Lu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Danmei Yu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yueqiu Gao
- Department of Hepatopathy, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Laboratory of Cellular Immunity, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, China
| | - Jianrong Xu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Hongzhuan Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Man Li
- Laboratory of Cellular Immunity, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Zhigang Yi
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, and Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai, China; Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.
| | - Xiao He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China; New York University-East China Normal University Center for Computational Chemistry, New York University Shanghai, Shanghai, 200062, China.
| | - Lili Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Longhua Hospital Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China.
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184
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Shen Y, Qiu Y, Duan ZQ, Li YX, Wang Y, Zhang YY, Zhu BH, Yu XH, Tan XL, Chen W, Zhuang Y, Zou QM, Ma DY, Peng LS. CD39 hi identifies an exhausted tumor-reactive CD8 + T cell population associated with tumor progression in human gastric cancer. Pharmacol Res 2024; 202:107122. [PMID: 38428703 DOI: 10.1016/j.phrs.2024.107122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
The ectonucleotidase CD39 has been regarded as a promising immune checkpoint in solid tumors. However, the expression of CD39 by tumor-infiltrating CD8+ T cells as well as their potential roles and clinical implications in human gastric cancer (GC) remain largely unknown. Here, we found that GC-infiltrating CD8+ T cells contained a fraction of CD39hi cells that constituted about 6.6% of total CD8+ T cells in tumors. These CD39hi cells enriched for GC-infiltrating CD8+ T cells with features of exhaustion in transcriptional, phenotypic, metabolic and functional profiles. Additionally, GC-infiltrating CD39hiCD8+ T cells were also identified for tumor-reactive T cells, as these cells expanded in vitro were able to recognize autologous tumor organoids and induced more tumor cell apoptosis than those of expanded their CD39int and CD39-CD8+ counterparts. Furthermore, CD39 enzymatic activity controlled GC-infiltrating CD39hiCD8+ T cell effector function, and blockade of CD39 efficiently enhanced their production of cytokines IFN-γ and TNF-α. Finally, high percentages of GC-infiltrating CD39hiCD8+ T cells correlated with tumor progression and independently predicted patients' poor overall survival. These findings provide novel insights into the association of CD39 expression level on CD8+ T cells with their features and potential clinical implications in GC, and empowering those exhausted tumor-reactive CD39hiCD8+ T cells through CD39 inhibition to circumvent the suppressor program may be an attractive therapeutic strategy against GC.
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Affiliation(s)
- Yang Shen
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province 637000, China; National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Yuan Qiu
- Department of General Surgery, Second Affiliated Hospital, Army Medical University, Chongqing 400037, China
| | - Zhen-Quan Duan
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province 637000, China; National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Yu-Xian Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Ying Wang
- Department of General Surgery, Second Affiliated Hospital, Army Medical University, Chongqing 400037, China
| | - Yuan-Yuan Zhang
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province 637000, China; National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Bao-Hang Zhu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Xiao-Hong Yu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China; College of Pharmacy, Chongqing University of Technology, Chongqing 400038, China
| | - Xue-Ling Tan
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China; College of Pharmacy, Chongqing University of Technology, Chongqing 400038, China
| | - Weisan Chen
- Department of Biochemistry and Genetics, La Trobe University, Melbourne, VIC 3086, Australia
| | - Yuan Zhuang
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China
| | - Quan-Ming Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China.
| | - Dai-Yuan Ma
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province 637000, China.
| | - Liu-Sheng Peng
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, Chongqing 400038, China.
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185
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Wang Y, Yang B. Single-incision laparoscopy in gynecological surgery: Advances and challenges. Asian J Surg 2024; 47:1886-1887. [PMID: 38199881 DOI: 10.1016/j.asjsur.2023.12.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Affiliation(s)
- Ying Wang
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, Chongqing, 401147, China; Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children, Chongqing, 401147, China
| | - Boping Yang
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, Chongqing, 401147, China; Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children, Chongqing, 401147, China.
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186
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Yang B, Wang Y, Yang H, Chen F. How does regional economic integration affect carbon emission efficiency? Evidence from the Yangtze River Delta, China. Environ Sci Pollut Res Int 2024; 31:23766-23779. [PMID: 38427172 DOI: 10.1007/s11356-024-32663-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Rapid urbanization and industrialization promote economic growth as well as bring carbon emissions, which seriously threaten the eco-environment and socioeconomic sustainable development. Facing increasing resource constraints, improving carbon emissions efficiency (CEE) is conducive to promote coordinated development of economy and environmental protection. In recent years, regional economic integration (REI) has rapidly developed. It can not only promote factors flow between regions but also achieve industrial and economic agglomeration. However, few studies have been reported in the literature about the relationship between the REI and CEE. In this study, we first illustrate how the REI influences CEE in theory, then take the Yangtze River Delta (YRD) as a case study to conduct empirical research. The results show that (1) the overall CEE value in the YRD has exhibited an upward trend from 2000 to 2020, and its spatial distribution has revealed a significant auto-correlation pattern. (2) On the whole, the REI act a noteworthy positive impact on CEE. When considering types of cities, it is found to have significant positive impacts for the CEE in economically developed cities, while it exhibits a negative impact in the less-developed ones. (3) Upgrading industrial structure and increasing per capita GDP can promote the CEE, but hinder its growth in surrounding areas. Our findings suggest that the government should formulate a unified overall plan to facilitate REI development and establish a modern industrial system of clean and low-carbon to promote regional sustainable development.
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Affiliation(s)
- Bin Yang
- School of Public Policy & Management, China University of Mining and Technology, Xuzhou, 221116, China
| | - Ying Wang
- Department of Land Resources Management, School of Public Administration, China University of Geosciences, Wuhan, 430074, China.
| | - Hui Yang
- College of Public Administration, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fu Chen
- School of Public Administration, Hohai University, Nanjing, 211110, China
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187
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Wang Y, Huang C, Xie J, Zeng L, Wang Y, He Y, Li Y, Qin C. Psychosocial intervention programme based on the needs of women undergoing termination of pregnancy for foetal anomalies: A modified Delphi study. Nurs Open 2024; 11:e2164. [PMID: 38606808 PMCID: PMC11010260 DOI: 10.1002/nop2.2164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 03/10/2024] [Accepted: 03/25/2024] [Indexed: 04/13/2024] Open
Abstract
AIM To construct a psychosocial intervention programme for women diagnosed with foetal anomalies based on their needs in China. DESIGN A three round-modified Delphi survey from September to November 2020. METHODS In Round 1, based on literature review and qualitative interviews, a face-to-face meeting with eight taskforce members was conducted to generate the initial intervention indicators. In Round 2 and 3, 15 experts and three stakeholders (women undergoing termination of pregnancy for foetal anomalies) were invited by email to evaluate the importance of the indicators and built the final psychosocial intervention programme. RESULTS The response rate for both two rounds is 100%. The experts' authority coefficient was 0.86. The Kendall W value of the two rounds ranged between 0.191 and 0.339. A needs-based psychosocial intervention programme was established, including four periods (denial, confirmation, decision-making and recovery), three needs-based supports (information, social and acceptance commitment therapy) and 27 intervention indicators. The mean value of the importance of each index was 4.00-5.00. Further research is required to evaluate whether this programme is realistic and effective for the target audiences.
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Affiliation(s)
- Ying Wang
- Health Management Medicine Center and Department of Nursingthe Third Xiangya Hospital, Central South UniversityChangshaChina
- Xiangya School of NursingCentral South UniversityChangshaChina
| | - Chi Huang
- Xiangya School of NursingCentral South UniversityChangshaChina
| | - Jiaying Xie
- Xiangya School of NursingCentral South UniversityChangshaChina
| | - Lihong Zeng
- Xiangya School of NursingCentral South UniversityChangshaChina
| | - Yaohan Wang
- Xiangya School of NursingCentral South UniversityChangshaChina
| | - Yanjuan He
- Department of Obstetrics and GynecologyChangsha Hospital for Maternal and Child Health CareChangshaChina
| | - Ying Li
- Department of Pediatrics, the Third Xiangya HospitalCentral South UniversityChangshaChina
| | - Chunxiang Qin
- Health Management Medicine Center and Department of Nursingthe Third Xiangya Hospital, Central South UniversityChangshaChina
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188
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Wang Y, Xu XW, Zhou S, Li JN. The safety signal detection and analysis of monoclonal antibodies against SARS-CoV-2 based on real-world evidence - the suitable selectivity for different populations. Eur Rev Med Pharmacol Sci 2024; 28:2943-2954. [PMID: 38639534 DOI: 10.26355/eurrev_202404_35925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
OBJECTIVE Bebtelovimab (BEB), Tixagevimab/Cilgavimab (TIX/CIL), and Sotrovimab (SOT) are important agents against the severe acute respiratory syndrome coronavirus 2-Omicron strain. However, due to their short duration of application, little is known about their safety profiles. This research aimed to explore the safety profile of these monoclonal antibodies (mAbs) via real-world evidence databases and data mining tools. MATERIALS AND METHODS Safety reports were retrieved from the database of the U.S. Food and Drug Administration (FDA) Adverse Event Reporting System from April 2022 to March 2023. To detect the safety signal, the disproportionality analysis was performed using the reporting odds ratio method. RESULTS SOT had the greatest proportion of "skin and subcutaneous tissue disorders" and "disorders of investigations"; BEB showed significant associations with "gastrointestinal disorders" and "nervous system disorders"; TIX/CIL had the weakest correlation with "skin and subcutaneous tissue disorders" and "general disorders and administration site conditions". Furthermore, there were still other signals related to nervous system disorders, gastrointestinal disorders only caused by BEB. TIX/CIL has been reported solely to be associated with multiple types of cardiovascular disorders. As for SOT alone, signals were strongly related to infusion reactions and hypersensitivity. CONCLUSIONS In summary, SOT may be unsuitable for allergic patients and may lead to abnormal test results. BEB showed the highest correlations with gastrointestinal and neuropsychiatric events. In addition, its infusion reactions should also be noted. TIX/CIL can lead to a variety of cardiovascular events.
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Affiliation(s)
- Y Wang
- Department of Pharmacy, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, Sichuan, China.
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189
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Sun R, Lv Z, Wang Y, Gu Y, Sun Y, Zeng X, Gao Z, Zhao X, Yuan Y, Yue T. Preparation and characterization of pectin-alginate-based microbeads reinforced by nano montmorillonite filler for probiotics encapsulation: Improving viability and colonic colonization. Int J Biol Macromol 2024; 264:130543. [PMID: 38432271 DOI: 10.1016/j.ijbiomac.2024.130543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 02/12/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
Hydrogel microbeads can be used to enhance the stability of probiotics during gastrointestinal delivery and storage. In this study, the pectin-alginate hydrogel was enhanced by adding montmorillonite filler to produce microbeads for encapsulating Lactobacillus kefiranofaciens (LK). Results showed that the viscosity of biopolymer solutions with 1 % (PAMT1) and 3 % (PAMT3) montmorillonite addition was suitable for producing regular-shaped microbeads. A layered cross-linked network was formed on the surface of PAMT3 microbeads through electrostatic interaction between pectin-alginate and montmorillonite filler, and the surrounding LK with adsorbed montmorillonite was encapsulated inside the microbeads. PAMT3 microbeads reduced the loss of viability of LK when passing through the gastric acid environment, and facilitated the slow release of LK in the intestine and colonic colonization. The maximum decrease in viability among all filler groups was 1.21 log CFU/g after two weeks of storage, while PAMT3 freeze-drying microbeads only decreased by 0.46 log CFU/g, indicating that the gel layer synergized with the adsorbed layer to provide dual protection for probiotics. Therefore, filler-reinforced microbeads are a promising bulk encapsulation carrier with great potential for the protection and delivery of probiotics and can be developed as food additives for dairy products.
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Affiliation(s)
- Rui Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Zhongyi Lv
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yuanyuan Gu
- Chemical Engineering with Biotechnology, Imperial College London, SW7 2BX, United Kingdom
| | - Yuhan Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xuejun Zeng
- College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Zhenpeng Gao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Xubo Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; College of Food Science and Technology, Northwest University, Xi'an 710069, China.
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; College of Food Science and Technology, Northwest University, Xi'an 710069, China
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190
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Xin J, Pang H, Gómez-García CJ, Jin Z, Wang Y, Au CM, Ma H, Wang X, Yang G, Yu WY. Nitrogen doped 1 T/2H mixed phase MoS 2/CuS heterostructure nanosheets for enhanced peroxidase activity. J Colloid Interface Sci 2024; 659:312-319. [PMID: 38176240 DOI: 10.1016/j.jcis.2023.12.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/03/2023] [Accepted: 12/24/2023] [Indexed: 01/06/2024]
Abstract
Heteroatom doping and phase engineering are effective ways to promote the catalytic activity of nanoenzymes. Nitrogen-doped 1 T/2H mixed phase MoS2/CuS heterostructure nanosheets N-1 T/2H-MoS2/CuS are prepared by a simple hydrothermal approach using polyoxometalate (POM)-based metal-organic frameworks (MOFs) (NENU-5) as a precursor and urea as nitrogen doping reagent. The XPS spectroscopy (XPS) and Raman spectrum of N-1 T/2H-MoS2/CuS prove the successful N-doping. NENU-5 was used as the template to prepare 1 T/2H-MoS2/CuS with high content of 1 T phase by optimizing the reaction time. The use of urea as nitrogen dopant added to 1 T/2H-MoS2/CuS, resulted in N-1 T/2H-MoS2/CuS with an increase in the content of the 1 T phase from 80 % to 84 % and higher number of defects. N-1 T/2H-MoS2/CuS shows higher peroxidase activity than 1 T/2H-MoS2/CuS and a catalytic efficiency (Kcat/Km) for H2O2 twice as high as that of 1 T/2H-MoS2/CuS. The enhanced catalytic activity has probably been attributed to several reasons: (i) the insertion of urea during the hydrothermal process in the S-Mo-S layer of MoS2, causing an increase in the interlayer spacing and in 1 T phase content, (ii) the replacement of S atoms in MoS2 by N atoms from the urea decomposition, resulting in more defects and more active sites. As far as we know, N-1 T/2H-MoS2/CuS nanosheets have the lowest detection limit (0.16 µm) for the colorimetric detection of hydroquinone among molybdenum disulfide-based catalysts. This study affords a new approach for the fabrication of high-performance nanoenzyme catalysts.
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Affiliation(s)
- Jianjiao Xin
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China; Center of Teaching Experiment and Equipment Management, Qiqihar University, Qiqihar 161006, China
| | - Haijun Pang
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China.
| | - Carlos J Gómez-García
- Departamento de Química Inorgánica, Universidad de Valencia, C/Dr. Moliner 50. 46100 Burjasot, Spain
| | - Zhongxin Jin
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China
| | - Ying Wang
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China
| | - Chi-Ming Au
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Huiyuan Ma
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China.
| | - Xinming Wang
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China
| | - Guixin Yang
- School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China
| | - Wing-Yiu Yu
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
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Weng J, Wang Y, Tan Z, Yuan Y, Huang S, Li Z, Li Y, Zhang L, Du Z. Glabridin reduces neuroinflammation by modulating inflammatory signals in LPS-induced in vitro and in vivo models. Inflammopharmacology 2024; 32:1159-1169. [PMID: 38372849 DOI: 10.1007/s10787-023-01424-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/23/2023] [Indexed: 02/20/2024]
Abstract
OBJECTIVES Chronic neuroinflammation has become one of the important causes of common neurodegeneration disease. Therefore, the target of this study was to explore the protective action of glabridin on lipopolysaccharide (LPS)-induced neuroinflammation in vivo and in vitro and its mechanism. METHODS The neuroinflammation model was established by LPS-induced BV2 cells. The cell viability with various concentrations of glabridin was determined by MTT assay, and the content of NO in each group was detected. A neuroinflammatory model was established in male C57BL/6J mice for a water maze test. Subsequently, NF-κB and SOD indices were measured by ELISA, GFAP and IBA-1 indices were measured by immunofluorescence, and Nissl staining was used to explore the Nissl bodies in the hippocampus of mice. RESULTS In vitro experiments, our results expressed that glabridin could markedly increase the cell activity of LPS-induced BV2 cells and reduce the NO expression in cells. It indicated that glabridin had a remarkable impact on the neuroinflammation of LPS-induced BV2 cell protection. In vivo neuroinflammation experiments, mice treated with different doses of glabridin showed significantly improved ability of memory compared with the LPS group in the Morris water maze test. The levels of NF-κB, GFAP, and the number of positive cells in Nissl staining were decreased. High-dose glabridin significantly increased the SOD content in the brain tissue and decreased the IBA-1 levels. CONCLUSION Glabridin can significantly reduce or even reverse LPS-induced neuroinflammation, which may be related to the fact that glabridin can reduce the NO expression, NF-κB, IBA-1, GFAP, and other inflammatory mediators, upregulate the expression of SOD to relieve oxidative stress of brain and inhibit the activation of gliocyte in brain tissue.
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Affiliation(s)
- Jiyu Weng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Ying Wang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Zekai Tan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanghe Yuan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Shiyuan Huang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Zexi Li
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yiming Li
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China
| | - Lanyue Zhang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China.
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Zhiyun Du
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China.
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangdong University of Technology, Guangzhou, 510006, China.
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192
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Rui L, Li Y, Wu X, Wang Y, Xia X. Effect of clove essential oil nanoemulsion on physicochemical and antioxidant properties of chitosan film. Int J Biol Macromol 2024; 263:130286. [PMID: 38382795 DOI: 10.1016/j.ijbiomac.2024.130286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/03/2024] [Accepted: 02/16/2024] [Indexed: 02/23/2024]
Abstract
This study evaluated the physicochemical and antioxidant properties of clove essential oil (0, 0.2, 0.4, 0.6, 0.8, 1.0 % v/v) nanoemulsion (CEON) loaded chitosan-based films. With the increasing concentrations of the CEON, the thickness, b* and ΔE values of the films increased significantly (P < 0.05), while L* and light transmission dropped noticeably (P < 0.05). The hydrogen bonds formed between the CEON and chitosan could be demonstrated through Fourier-transform infrared spectra, indicating their good compatibility and intermolecular interactions. Furthermore, the added CEON considerably reduced the crystallinity and resulted in a porous structure of the films, as observed through X-ray diffraction plots and scanning electron microscopy images, respectively. This eventually led to a drop in both tensile strength and moisture content of the films. Moreover, the antioxidant properties were significantly enhanced (P < 0.05) with the increase in the amount of clove essential oil (CEO) due to the encapsulation of CEO by the nanoemulsion. Films containing 0.6 % CEO had higher elongation at break, higher water contact angle, lower water solubility, lower water vapor permeability, and lower oxygen permeability than the other films; therefore, such films are promising for application in meat preservation.
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Affiliation(s)
- Litong Rui
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Ying Li
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiaodan Wu
- Heilongjiang North Fish Fishing Industry Group Co., LTD., Daqing, Heilongjiang 163000, China
| | - Ying Wang
- Heilongjiang North Fish Fishing Industry Group Co., LTD., Daqing, Heilongjiang 163000, China
| | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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193
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Ji Y, Ma Y, Ma Y, Wang Y, Zhao X, Jin D, Xu L, Ge S. SS-31 inhibits mtDNA-cGAS-STING signaling to improve POCD by activating mitophagy in aged mice. Inflamm Res 2024; 73:641-654. [PMID: 38411634 DOI: 10.1007/s00011-024-01860-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/30/2023] [Accepted: 02/06/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND Neuroinflammation is crucial in the development of postoperative cognitive dysfunction (POCD), and microglial activation is an active participant in this process. SS-31, a mitochondrion-targeted antioxidant, is widely regarded as a potential drug for neurodegenerative diseases and inflammatory diseases. In this study, we sought to explore whether SS-31 plays a neuroprotective role and the underlying mechanism. METHODS Internal fixation of tibial fracture was performed in 18-month-old mice to induce surgery-associated neurocognitive dysfunction. LPS was administrated to BV2 cells to induce neuroinflammation. Neurobehavioral deficits, hippocampal injury, protein expression, mitophagy level and cell state were evaluated after treatment with SS-31, PHB2 siRNA and an STING agonist. RESULTS Our study revealed that SS-31 interacted with PHB2 to activate mitophagy and improve neural damage in surgically aged mice, which was attributed to the reduced cGAS-STING pathway and M1 microglial polarization by decreased release of mitochondrial DNA (mtDNA) but not nuclear DNA (nDNA). In vitro, knockdown of PHB2 and an STING agonist abolished the protective effect of SS-31. CONCLUSIONS SS-31 conferred neuroprotection against POCD by promoting PHB2-mediated mitophagy activation to inhibit mtDNA release, which in turn suppressed the cGAS-STING pathway and M1 microglial polarization.
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Affiliation(s)
- Yelong Ji
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Yuanyuan Ma
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Yimei Ma
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Ying Wang
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Xining Zhao
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Danfeng Jin
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Li Xu
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China
| | - Shengjin Ge
- Department of Anesthesia, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032, China.
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194
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Hao Z, Feng Q, Wang Y, Wang Y, Li H, Hu Y, Chen T, Wang J, Chen R, Lv X, Yang Z, Chen J, Guo X, Li J. A parathyroid hormone related supramolecular peptide for multi-functionalized osteoregeneration. Bioact Mater 2024; 34:181-203. [PMID: 38235308 PMCID: PMC10792172 DOI: 10.1016/j.bioactmat.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/30/2023] [Accepted: 12/17/2023] [Indexed: 01/19/2024] Open
Abstract
Supramolecular peptide nanofiber hydrogels are emerging biomaterials for tissue engineering, but it is difficult to fabricate multi-functional systems by simply mixing several short-motif-modified supramolecular peptides because relatively abundant motifs generally hinder nanofiber cross-linking or the formation of long nanofiber. Coupling bioactive factors to the assembling backbone is an ideal strategy to design multi-functional supramolecular peptides in spite of challenging synthesis and purification. Herein, a multi-functional supramolecular peptide, P1R16, is developed by coupling a bioactive factor, parathyroid hormone related peptide 1 (PTHrP-1), to the basic supramolecular peptide RADA16-Ⅰ via solid-phase synthesis. It is found that P1R16 self-assembles into long nanofibers and co-assembles with RADA16-Ⅰ to form nanofiber hydrogels, thus coupling PTHrP-1 to hydrogel matrix. P1R16 nanofiber retains osteoinductive activity in a dose-dependent manner, and P1R16/RADA16-Ⅰ nanofiber hydrogels promote osteogenesis, angiogenesis and osteoclastogenesis in vitro and induce multi-functionalized osteoregeneration by intramembranous ossification and bone remodeling in vivo when loaded to collagen (Col) scaffolds. Abundant red blood marrow formation, ideal osteointegration and adapted degradation are observed in the 50% P1R16/Col scaffold group. Therefore, this study provides a promising strategy to develop multi-functional supramolecular peptides and a new method to topically administrate parathyroid hormone or parathyroid hormone related peptides for non-healing bone defects.
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Affiliation(s)
- Zhuowen Hao
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Qinyu Feng
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yi Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ying Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Hanke Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yingkun Hu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Tianhong Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Junwu Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Renxin Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xuan Lv
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhiqiang Yang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Jiayao Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jingfeng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
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195
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Wang Y, Du Y. Graph neural network model GGDisnet for identifying genes in gastrointestinal cancer and single-cell analysis. Comput Biol Med 2024; 172:108285. [PMID: 38503088 DOI: 10.1016/j.compbiomed.2024.108285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/22/2024] [Accepted: 03/12/2024] [Indexed: 03/21/2024]
Abstract
Gastrointestinal cancer, a highly prevalent form of cancer, has been the subject of extensive research resulting in the identification of numerous pathogenic genes. However, validation and exploration of these findings often require traditional biological experiments, which are time-consuming and limit the ability to make extensive assessments promptly. To address this challenge, this paper introduces GGDisnet, a novel model for identifying genes associated with gastrointestinal cancer. GGDisnet efficiently screens human genes, providing a set of genes with a high correlation to gastrointestinal cancer for reference. Comparative analysis with other models demonstrates GGDisnet's superior performance. Furthermore, we conducted enrichment and single-cell analyses based on GGDisnet-predicted genes, offering valuable clinical insights.
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Affiliation(s)
- Ying Wang
- Department of Endoscopy, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yaqi Du
- Department of Gastroenterology, The First Hospital of China Medical University, Shenyang, Liaoning, China.
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Huo D, Liang W, Wang D, Liu Q, Wang H, Wang Y, Zhang C, Cong C, Su X, Tan X, Zhang W, Han L, Zhang D, Wang M, Feng H. Roflupram alleviates autophagy defects and reduces mutant hSOD1-induced motor neuron damage in cell and mouse models of amyotrophic lateral sclerosis. Neuropharmacology 2024; 247:109812. [PMID: 38218579 DOI: 10.1016/j.neuropharm.2023.109812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 01/15/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal and incurable disease involving motor neuron (MN) degeneration and is characterized by ongoing myasthenia and amyotrophia in adults. Most ALS patients die of respiratory muscle paralysis after an average of 3-5 years. Defective autophagy in MNs is considered an important trigger of ALS pathogenesis. Roflupram (ROF) was demonstrated to activate autophagy in microglial cells and exert protective effects against Parkinson's disease (PD) and Alzheimer's disease (AD). Therefore, our research aimed to investigate the efficacy and mechanism of ROF in treating ALS both in vivo and in vitro. We found that ROF could delay disease onset and prolong the survival of hSOD1-G93A transgenic mice. Moreover, ROF protected MNs in the anterior horn of the spinal cord, activated the AMPK/ULK1 signaling pathway, increased autophagic flow, and reduced SOD1 aggregation. In an NSC34 cell line stably transfected with hSOD1-G93A, ROF protected against cellular damage caused by hSOD1-G93A. Moreover, we have demonstrated that ROF inhibited gliosis in ALS model mice. Collectively, our study suggested that ROF is neuroprotective in ALS models and the AMPK/ULK1 signaling pathway is a potential therapeutic target in ALS, which increases autophagic flow and reduces SOD1 aggregation.
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Affiliation(s)
- Di Huo
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Weiwei Liang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Di Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Qiaochu Liu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Hongyong Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Ying Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Chunting Zhang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei City, Anhui Province, PR China
| | - Chaohua Cong
- Department of Neurology, Shanghai JiaoTong University School of Medicine, Shanghai No. 9 People's Hospital, Shanghai, PR China
| | - Xiaoli Su
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Xingli Tan
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Wenmo Zhang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Ling Han
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Dongmei Zhang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Ming Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
| | - Honglin Feng
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China.
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Celik F, Selcuk MA, Kilinc SG, Kesik HK, Ahmed H, Wang Y, Simsek S, Cao J. Molecular discrimination of G1 and G3 genotypes of Echinococcus granulosus sensu stricto obtained from human, cattle, and sheep using the mitochondrial NADH dehydrogenase subunit 5 marker. Acta Trop 2024; 252:107124. [PMID: 38262573 DOI: 10.1016/j.actatropica.2024.107124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/01/2024] [Accepted: 01/17/2024] [Indexed: 01/25/2024]
Abstract
Cystic echinococcosis (CE) is a common zoonotic disease caused by the larval form of Echinococcus granulosus sensu lato. This study determined the genotype and haplotype differences using the NADH dehydrogenase subunit 5 gene in hydatid cyst samples. Human (n = 12), cattle (n = 28), and sheep (n = 31) hydatid cyst isolates were included. Seventy-one genomic DNA samples were successfully extracted, and a 759 bp mitochondrial NADH dehydrogenase subunit 5 gene fragment was amplified by PCR. Following the sequence analysis, E. granulosus sensu stricto isolates were identified as G1 (n = 61) and G3 (n = 10). A total of 23 haplotypes were obtained from the 71 E. granulosus s.s. G1 and G3 samples. The main haplotype was Hap01 (60.56 %), which consisted of the G1 genotype. The second largest haplotype was Hap04, which consisted entirely of the G3 genotype. Hap14 acted as a bridge between the G1 and G3 genotypes. This study identifies G1 as the dominant genotype in humans and farm animals in Turkey. High haplotype and nucleotide diversity in genotypes were observed. Additionally, this is the first report on the phylogeography and gene flow models of the E. granulosus s.s. population in Turkey using the NADH dehydrogenase subunit 5 gene, the best marker distinguishing between G1 and G3 genotypes.
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Affiliation(s)
- Figen Celik
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, 23119, Elazig, Turkey
| | - Muhammed Ahmed Selcuk
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, 23119, Elazig, Turkey; Department of Parasitology, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
| | - Seyma Gunyakti Kilinc
- Department of Parasitology, Faculty of Veterinary Medicine, Bingol University, Bingol, Turkey
| | - Harun Kaya Kesik
- Department of Parasitology, Faculty of Veterinary Medicine, Bingol University, Bingol, Turkey
| | - Haroon Ahmed
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Chakh Shahzad, Islamabad, Pakistan
| | - Ying Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute of Parasitic Diseases at Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, Shanghai 200025, China; Key Laboratory of Parasite and Vector Biology, National Health Commission of the People's Republic of China, Shanghai 200025, China; World Health Organization Collaborating Centre for Tropical Diseases, Shanghai 200025, China
| | - Sami Simsek
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Chakh Shahzad, Islamabad, Pakistan.
| | - Jianping Cao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute of Parasitic Diseases at Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, Shanghai 200025, China; Key Laboratory of Parasite and Vector Biology, National Health Commission of the People's Republic of China, Shanghai 200025, China; World Health Organization Collaborating Centre for Tropical Diseases, Shanghai 200025, China; The School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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198
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Chen L, Ma J, Xiang S, Jiang L, Wang Y, Li Z, Liu X, Duan S, Luo Y, Xiao Y. Promotion of rice seedlings growth and enhancement of cadmium immobilization under cadmium stress with two types of organic fertilizer. Environ Pollut 2024; 346:123619. [PMID: 38401632 DOI: 10.1016/j.envpol.2024.123619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/03/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Cadmium (Cd)-contaminated soil poses a severe threat to crop production and human health, while also resulting in a waste of land resources. In this study, two types of organic fertilizer (ZCK: Low-content available iron; Z2: High-content available iron) were applied to Cd-contaminated soil for rice cultivation, and the effects of the fertilizer on rice growth and Cd passivation were investigated in conjunction with soil microbial analysis. Results showed that Z2 could alter the composition, structure, and diversity of microbial communities, as well as enhance the complexity and stability of the microbial network. Both 2% and 5% Z2 significantly increased the fresh weight and dry weight of rice plants while suppressing Cd absorption. The 2% Z2 exhibited the best Cd passivation effect. Gene predictions suggested that Z2 may promote plant growth by regulating microbial production of organic acids that dissolve phosphorus and potassium. Furthermore, it is suggested that Z2 may facilitate the absorption and immobilization of soil cadmium through the regulation of microbial cadmium efflux and uptake systems, as well as via the secretion of extracellular polysaccharides. In summary, Z2 can promote rice growth, suppress Cd absorption by rice, and passivate soil Cd by regulating soil microbial communities.
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Affiliation(s)
- Liang Chen
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Jingjing Ma
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Sha Xiang
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Lihong Jiang
- College of Resources, Hunan Agricultural University, China
| | - Ying Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Zhihuan Li
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Xianjing Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Shuyang Duan
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Yuan Luo
- College of Bioscience and Biotechnology, Hunan Agricultural University, China
| | - Yunhua Xiao
- College of Bioscience and Biotechnology, Hunan Agricultural University, China.
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199
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Qi C, Lv C, Jiang M, Zhao X, Gao Y, Wang Y, Zhang P, Liu J, Zhao X. The surface morphology of Atractylodes macrocephala polysaccharide and its inhibitory effect on PCV2 replication. J Sci Food Agric 2024; 104:3624-3636. [PMID: 38148571 DOI: 10.1002/jsfa.13246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/25/2023] [Accepted: 12/27/2023] [Indexed: 12/28/2023]
Abstract
BACKGROUND Porcine infection with Porcine circovirus type 2 (PCV2) causes immunosuppression, which is easy to cause concurrent or secondary infection, making the disease complicated and difficult to treat, and causing huge economic losses to the pig industry. Total polysaccharide from the rhizoma of Atractylodes macrocephala Koidz. (PAMK) is outstanding in enhancing non-specific immunity and cellular immunity, and effectively improving the body's disease resistance, indicating its potential role in antiviral immunotherapy. RESULTS PAMK had the characteristics of compact, polyporous and agglomerated morphology, but does not have triple helix conformation. PCV2 infection led to the increase in LC3-II, degradation of p62 and the increase of viral Cap protein expression and viral copy number. PAMK treatment significantly alleviated PCV2-induced autophagy and inhibited PCV2 replication. Moreover, PAMK treatment significantly attenuated the increase of PINK1 protein expression and the decrease of TOMM20 protein expression caused by PCV2 infection, alleviated Parkin recruitment from cytoplasm to mitochondria and intracellular reactive oxygen species accumulation, restored mitochondrial membrane charge, alleviated viral Cap protein expression. CONCLUSION PAMK alleviates PCV2-induced mitophagy to suppress PCV2 replication by inhibiting the Pink 1/Parkin pathway. These findings may provide new insights into the prevention and treatment of PCV2. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Changxi Qi
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Changyang Lv
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Menglin Jiang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Ximan Zhao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Yifan Gao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Ying Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Pu Zhang
- Department of Cardiovascular Medicine, Taian City Central Hospital, Tai'an, China
| | - Jianzhu Liu
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, China
| | - Xiaona Zhao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China
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Wang Y, Guo L, Cui D, Zhang H, Zhang Q, Ren L, Wang G, Zhang X, Huang T, Chen L, Huang L, Wang X, Zhong J, Wang Y, Li H, Wang J, Cao B. Immune Responses in Discharged COVID-19 Patients With and Without Long COVID Symptoms. Open Forum Infect Dis 2024; 11:ofae137. [PMID: 38577029 PMCID: PMC10993057 DOI: 10.1093/ofid/ofae137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Indexed: 04/06/2024] Open
Abstract
The immune mechanisms of long coronavirus disease 2019 (COVID) are not yet fully understood. We aimed to investigate the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific memory immune responses in discharged COVID-19 patients with and without long COVID symptoms. In this cross-sectional study, we included 1041 hospitalized COVID-19 patients with the original virus strain in Wuhan (China) 12 months after initial infection. We simultaneously conducted a questionnaire survey and collected peripheral blood samples from the participants. Based on the presence or absence of long COVID symptoms during the follow-up period, we divided the patients into 2 groups: a long COVID group comprising 480 individuals and a convalescent group comprising 561 individuals. Both groups underwent virus-specific immunological analyses, including enzyme-linked immunosorbent assay, interferon-γ-enzyme-linked immune absorbent spot, and intracellular cytokine staining. At 12 months after infection, 98.5% (1026/1041) of the patients were found to be seropositive and 93.3% (70/75) had detectable SARS-CoV-2-specific memory T cells. The long COVID group had significantly higher levels of receptor binding domain (RBD)-immunoglobulin G (IgG) levels, presented as OD450 values, than the convalescent controls (0.40 ± 0.22 vs 0.37 ± 0.20; P = .022). The magnitude of SARS-CoV-2-specific T-cell responses did not differ significantly between groups, nor did the secretion function of the memory T cells. We did not observe a significant correlation between SARS-CoV-2-IgG and magnitude of memory T cells. This study revealed that long COVID patients had significantly higher levels of RBD-IgG antibodies when compared with convalescent controls. Nevertheless, we did not observe coordinated SARS-CoV-2-specific cellular immunity. As there may be multiple potential causes of long COVID, it is imperative to avoid adopting a "one-size-fits-all" approach to future treatment modalities.
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Affiliation(s)
- Yeming Wang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Li Guo
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Dan Cui
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
- Department of Pulmonary and Critical Care Medicine, The 2nd Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Hui Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Qiao Zhang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Lili Ren
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Geng Wang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
- Department of Pulmonary and Critical Care Medicine, WestChina Hospital, Sichuan University, Chengdu, China
| | - Xueyang Zhang
- School of Medicine, Tsinghua University, Beijing, China
| | - Tingxuan Huang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
- Department of Pulmonary and Critical Care Medicine, WestChina Hospital, Sichuan University, Chengdu, China
| | - Lan Chen
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | | | - Xinming Wang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Jinchuan Zhong
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Ying Wang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Hui Li
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Jianwei Wang
- National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences, Beijing, China
| | - Bin Cao
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
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