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Ye C, Liu X, Liu Z, Pan C, Zhang X, Zhao Z, Sun H. Fusobacterium nucleatum in tumors: from tumorigenesis to tumor metastasis and tumor resistance. Cancer Biol Ther 2024; 25:2306676. [PMID: 38289287 PMCID: PMC10829845 DOI: 10.1080/15384047.2024.2306676] [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: 11/05/2023] [Accepted: 01/13/2024] [Indexed: 02/01/2024] Open
Abstract
Fusobacterium nucleatum, an anaerobic Gram-negative bacterium primarily residing in the oral cavity, has garnered significant attention for its emerging role in cancer progression and prognosis. While extensive research has revealed mechanistic links between Fusobacterium nucleatum and colorectal cancer, a comprehensive review spanning its presence and metastatic implications in cancers beyond colorectal origin is conspicuously absent. This paper broadens our perspective from colorectal cancer to various malignancies associated with Fusobacterium nucleatum, including oral, pancreatic, esophageal, breast, and gastric cancers. Our central focus is to unravel the mechanisms governing Fusobacterium nucleatum colonization, initiation, and promotion of metastasis across diverse cancer types. Additionally, we explore Fusobacterium nucleatum's adverse impacts on cancer therapies, particularly within the domains of immunotherapy and chemotherapy. Furthermore, this paper underscores the clinical research significance of Fusobacterium nucleatum as a potential tumor biomarker and therapeutic target, offering a novel outlook on its applicability in cancer detection and prognostic assessment.
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Affiliation(s)
- Chun Ye
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xiao Liu
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zilun Liu
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Chuxuan Pan
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xiaowei Zhang
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zhanyi Zhao
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Haitao Sun
- Clinical Biobank Center, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Department of Laboratory Medicine, Central People’s Hospital of Ji’an, Shanghai East Hospital of Ji’an, Ji’an, China
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2
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Zhan Y, Yin A, Su X, Tang N, Zhang Z, Chen Y, Wang W, Wang J. Interpreting the molecular mechanisms of RBBP4/7 and their roles in human diseases (Review). Int J Mol Med 2024; 53:48. [PMID: 38577935 PMCID: PMC10999228 DOI: 10.3892/ijmm.2024.5372] [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: 10/18/2023] [Accepted: 03/12/2024] [Indexed: 04/06/2024] Open
Abstract
Histone chaperones serve a pivotal role in maintaining human physiological processes. They interact with histones in a stable manner, ensuring the accurate and efficient execution of DNA replication, repair and transcription. Retinoblastoma binding protein (RBBP)4 and RBBP7 represent a crucial pair of histone chaperones, which not only govern the molecular behavior of histones H3 and H4, but also participate in the functions of several protein complexes, such as polycomb repressive complex 2 and nucleosome remodeling and deacetylase, thereby regulating the cell cycle, histone modifications, DNA damage and cell fate. A strong association has been indicated between RBBP4/7 and some major human diseases, such as cancer, age‑related memory loss and infectious diseases. The present review assesses the molecular mechanisms of RBBP4/7 in regulating cellular biological processes, and focuses on the variations in RBBP4/7 expression and their potential mechanisms in various human diseases, thus providing new insights for their diagnosis and treatment.
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Affiliation(s)
- Yajing Zhan
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Ankang Yin
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Xiyang Su
- Department of Laboratory Medicine, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Nan Tang
- Department of Clinical Laboratory, Wangcheng District People's Hospital, Changsha, Hunan 410000, P.R. China
| | - Zebin Zhang
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Yi Chen
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Wei Wang
- Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine of Zhejiang Province, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, P.R. China
| | - Juan Wang
- Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine of Zhejiang Province, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, P.R. China
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Tang J, Yin C, Chen M, Dong M, Xu Y. Yifei Sanjie formula alleviates lung cancer progression via regulating PRMT6-YBX1-CDC25A axis. Environ Toxicol 2024; 39:3225-3237. [PMID: 38357781 DOI: 10.1002/tox.24160] [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: 11/02/2023] [Revised: 12/23/2023] [Accepted: 01/18/2024] [Indexed: 02/16/2024]
Abstract
Lung cancer (LC) is the most prevalent cancer type, with a high mortality rate worldwide. The current treatment options for LC have not been particularly successful in improving patient outcomes. Yifei Sanjie (YFSJ), a well-applicated traditional Chinese medicine formula, is widely used to treat pulmonary diseases, especially LC, yet little is known about its molecular mechanisms. This study was conducted to explore the molecular mechanism by which YFSJ ameliorated LC progression. The A549, NCI-H1975, and Calu-3 cells were treated with the YFSJ formula and observed for colony number, apoptosis, migration, and invasion properties recorded via corresponding assays. The PRMT6-YBX1-CDC25A axis was tested and verified through luciferase reporter, RNA immunoprecipitation, and chromatin immunoprecipitation assays and rescue experiments. Our results demonstrated that YFSJ ameliorated LC cell malignant behaviors by increasing apoptosis and suppressing proliferation, migration, and invasion processes. We also noticed that the xenograft mouse model treated with YFSJ significantly reduced tumor growth compared with the control untreated group in vivo. Mechanistically, it was found that YFSJ suppressed the expression of PRMT6, YBX1, and CDC25A, while the knockdown of these proteins significantly inhibited colony growth, migration, and invasion, and boosted apoptosis in LC cells. In summary, our results suggest that YFSJ alleviates LC progression via the PRMT6-YBX1-CDC25A axis, confirming its efficacy in clinical use. The findings of our study provide a new regulatory network for LC growth and metastasis, which could shed new insights into pulmonary medical research.
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Affiliation(s)
- Jie Tang
- Department of Oncology, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Chenyan Yin
- Department of Pharmacy, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Meiyun Chen
- Department of Oncology, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Mengjia Dong
- Department of Oncology, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Youqi Xu
- Department of Oncology, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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Wang J, Cheng J. Network pharmacology and molecular docking-based strategy for predicting anti-tumour mechanism of linarin. Nat Prod Res 2024:1-9. [PMID: 38646849 DOI: 10.1080/14786419.2024.2343920] [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: 07/30/2023] [Accepted: 02/26/2024] [Indexed: 04/23/2024]
Abstract
The aim was to explore the anti-tumour mechanism of linarin (LIN) based on network pharmacology and molecular docking. PharmMapper database and GeneCards database were used to screen anti-tumour related targets of LIN. Enrichment analysis of GO and KEGG was conducted to predict the key targets and pathways. At last, LIN was docked with the key targets. ESR1, ESR2, EGFR, AR, TGFBR2, F2, MAPK10, MAPK14, CDK2 and HSP90AA1 were identified as the key targets. The key pathways included pathways in cancer, prostate cancer, pancreatic cancer and breast cancer. KEGG pathway maps indicated that the anti-tumour effect of LIN may be mainly achieved by intervening related targets in the following pathways: AR-HSP/AR-AR/PSA/proliferation and evading apoptosis;F2/GPCR/…/ROCK/tissue invasion and metastasis;F2/GPCR/…/Raf/MAPK signalling pathway/proliferation and sustained angiogenesis; EGFR/Grb2/…/Raf/MAPK signalling pathway/proliferation and sustained angiogenesis; ER/Oestrogen signalling pathway/proliferation;TGFBR2/Smad2/3/TGF-β signalling pathway/insensitivity to anti-growth signals; oxidative stress/KEAP1/NRF2/…/proliferation and evading apoptosis. LIN had strong binding activity with ESR2, EGFR, AR, CDK2 and HSP90AA1.
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Affiliation(s)
- Jun Wang
- College of Life Science and Technology, Hubei Engineering University, Xiaogan, China
- Hubei Province Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hubei Engineering University, Xiaogan, China
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, China
| | - Jingjing Cheng
- College of Life Science and Technology, Hubei Engineering University, Xiaogan, China
- Hubei Province Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hubei Engineering University, Xiaogan, China
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, China
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Luoa H, Jia X, Zhanga M, Renb Y, Tana R, Jianga H, Wua X. Aloe-emodin: Progress in Pharmacological Activity, Safety, and Pharmaceutical Formulation Applications. Mini Rev Med Chem 2024; 24:MRMC-EPUB-139843. [PMID: 38639277 DOI: 10.2174/0113895575298364240409064833] [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: 02/04/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 04/20/2024]
Abstract
Aloe-emodin (AE) is an anthraquinone derivative and a biologically active component sourced from various plants, including Rheum palmatum L. and Aloe vera. Known chemically as 1,8-dihydroxy-3-hydroxymethyl-anthraquinone, AE has a rich history in traditional medicine and is esteemed for its accessibility, safety, affordability, and effectiveness. AE boasts multiple biochemical and pharmacological properties, such as strong antibacterial, antioxidant, and antitumor effects. Despite its array of benefits, AE's identity as an anthraquinone derivative raises concerns about its potential for liver and kidney toxicity. Nevertheless, AE is considered a promising drug candidate due to its significant bioactivities and cost efficiency. Recent research has highlighted that nanoformulated AE may enhance drug delivery, biocompatibility, and pharmacological benefits, offering a novel approach to drug design. This review delves into AE's pharmacological impacts, mechanisms, pharmacokinetics, and safety profile, incorporating insights from studies on its nanoformulations. The goal is to outline the burgeoning research in this area and to support the ongoing development and utilization of AE-based therapies.
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Affiliation(s)
- Haimeng Luoa
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Xiaoyun Jia
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Mengyu Zhanga
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Yaoyao Renb
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Rui Tana
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Hezhong Jianga
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Xiaoqing Wua
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
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Li H, Xiao N, Jiang M, Long J, Li Z, Zhu Z. Advances of Transition Metal-Based Electrochemical Non-enzymatic Glucose Sensors for Glucose Analysis: A Review. Crit Rev Anal Chem 2024:1-37. [PMID: 38635407 DOI: 10.1080/10408347.2024.2339955] [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] [Indexed: 04/20/2024]
Abstract
Glucose concentration is a crucial parameter for assessing human health. Over recent years, non-enzymatic electrochemical glucose sensors have drawn considerable attention due to their substantial progress. This review explores the common mechanism behind the transition metal-based electrocatalytic oxidation of glucose molecules through classical electrocatalytic frameworks like the Pletcher model and the Hydrous Oxide-Adatom Mediator model (IHOAM), as well as the redox reactions at the transition metal centers. It further compiles the electrochemical characterization techniques, associated formulas, and their ensuing conclusions pertinent to transition metal-based non-enzymatic electrochemical glucose sensors. Subsequently, the review covers the latest advancements in the field of transition metal-based active materials and support materials used in non-enzymatic electrochemical glucose sensors in the last decade (2014-2023). Additionally, it presents a comprehensive classification of representative studies according to the active metal catalysts components involved.
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Affiliation(s)
- Haotian Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Nan Xiao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Mengyi Jiang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Jianjun Long
- Danyang Development Zone, Jiangsu Yuwell-POCT Biological Technology Co., Ltd, Danyang, China
| | - Zhanhong Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Zhigang Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
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Affiliation(s)
- George A. O’Toole
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA
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8
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Ren J, Mo Z, Huang Z, Li S. Hedyotis diffusa Willd and Astragalus membranaceus May Exert Anti-colon Cancer Effects by Affecting AKTI Expression, as Determined by Network Pharmacology and Molecular Docking. Curr Comput Aided Drug Des 2024; 20:CAD-EPUB-139813. [PMID: 38638040 DOI: 10.2174/0115734099282388240405055003] [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: 10/16/2023] [Revised: 03/14/2024] [Accepted: 03/22/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND Network pharmacology is a novel approach that uses bioinformatics to predict multitarget drugs and ingredient-target interactions in various diseases. A thorough search of previously published studies revealed that Hedyotis diffusa Willd (HDW) and Astragalus membranaceus (AM) possess anticancer activity. Colon cancer (CC) is one of the most common malignant tumors of the digestive tract and occurs in the colon. Herein, we explored the effect of two drugs in the treatment of CC. OBJECTIVE The present study aimed to predict and verify the effect of these two drugs in the treatment of CC. METHODS To explore the molecular mechanisms of the "HDW-AM" drug in the treatment of CC, we analyzed its principal efficiency in terms of ingredients, target spots, and pathways via network pharmacology, molecular docking, and experimental verification. The ingredients and their gene target sites were searched and screened through the TCMSP platform according to specific filtering conditions. Subsequently, components corresponding to the gene targets were chosen to construct the drug component-target network. The GEO (Gene Expression Omnibus) dataset was used to collect and screen for gene chips under CC and normal conditions, obtain differential genes, and construct a volcano map. The intersection genes between drug and disease targets were screened, the ".tsv" file was downloaded from the STRING platform and imported into Cytoscape 3.8.0 for visualization, a protein-protein interaction (PPI) network was constructed, the core targets were identified, and the common components with core targets were docked through Autodock Tools-1.5.6. Gene Ontology (GO) analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis were carried out through the Metascape platform to determine the major pathways. The CCK-8 (Cell Counting Kit-8) assay verified the effect of AKT1 on cell proliferation after treatment with quercetin. RESULTS After the screening, 3658 DEGs (1841 downregulated and 1817 upregulated) were obtained from the GSE75970 gene chip; 21 active components and 220 targets were identified from the drugs. Subsequently, ten core genes (including AKT1, P53, and CASP3) and six major components were screened. GO functional analysis and KEGG analysis revealed that "HDWAM" regulates cell migration and motility through the combination of a transcription regulator complex, membrane rafts, vesicle lumen, and protein kinases via the MAPK, PI3K-Akt, and IL17 signaling pathways. The molecular docking results suggested that quercetin binds to AKT1, TP53, TNF, and CASP3. HDW-AM may exert a therapeutic effect on CC by modulating AKT1, TP53, TNF, and CASP3 and through signaling pathways. A CCK-8 cytotoxicity assay verified that quercetin affects cell viability through AKT1. CONCLUSIONS The current study provides a theoretical basis for an in-depth investigation into the molecular mechanism of the "HDW-AM" drug in CC treatment via network pharmacology, molecular docking, and experimental verification.
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Affiliation(s)
- Jianwei Ren
- Tibet University Medical College, Lhasa, Tibet, 850000, China
| | - Zhiting Mo
- Lhasa People's Hospital, Lhasa, Tibet, 850000, China
| | - Zhengsha Huang
- Tibet University Medical College, Lhasa, Tibet, 850000, China
| | - Shangze Li
- School of Medicine, Chongqing University, Chongqing, 404100, China
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Gautam T, Kim E, Ng L, Choudhary V, Lima Amorim J, Loebel Roson M, Zhao R. Photooxidation-Initiated Aqueous-Phase Formation of Organic Peroxides: Delving into Formation Mechanisms. Environ Sci Technol 2024; 58:6564-6574. [PMID: 38578220 DOI: 10.1021/acs.est.3c01162] [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] [Indexed: 04/06/2024]
Abstract
Formation of highly oxygenated molecules (HOMs) such as organic peroxides (ROOR, ROOH, and H2O2) is known to degrade food and organic matter. Gas-phase unimolecular autoxidation and bimolecular RO2 + HO2/RO2 reactions are prominently renowned mechanisms associated with the formation of peroxides. However, the reaction pathways and conditions favoring the generation of peroxides in the aqueous phase need to be evaluated. Here, we identified bulk aqueous-phase ROOHs in varying organic precursors, including a laboratory model compound and monoterpene oxidation products. Our results show that formation of ROOHs is suppressed at enhanced oxidant concentrations but exhibits complex trends at elevated precursor concentrations. Furthermore, we observed an exponential increase in the yield of ROOHs when UV light with longer wavelengths was used in the experiment, comparing UVA, UVB, and UVC. Water-soluble organic compounds represent a significant fraction of ambient cloud-water components (up to 500 μM). Thus, the reaction pathways facilitating the formation of HOMs (i.e., ROOHs) during the aqueous-phase oxidation of water-soluble species add to the climate and health burden of atmospheric particulate matter.
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Affiliation(s)
- Tania Gautam
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Erica Kim
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Lisa Ng
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Vikram Choudhary
- Air Pollution Exposure Laboratory, Division of Respiratory Medicine, Department of Medicine, Vancouver Coastal Health Research Institute, The University of British Columbia, Vancouver, British Columbia V5Z1W9, Canada
| | - Jessica Lima Amorim
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Max Loebel Roson
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Ran Zhao
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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10
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Wang Q, Li X, Hao J, Xu D. Stability mechanism of Monascus pigment-soy protein isolate-maltodextrin complex. J Sci Food Agric 2024. [PMID: 38619243 DOI: 10.1002/jsfa.13539] [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] [Received: 07/12/2023] [Revised: 03/29/2024] [Accepted: 04/11/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Monascus pigment (MP) is a natural food coloring with vital physiological functions but prone to degradation and color fading under light conditions. RESULTS This study investigated the effect of complex formation of soybean protein isolate (SPI), maltodextrin (MD), and MP on the photostability of MP. Light stability was assessed through retention rate and color difference. Fluorescence spectroscopy (FS), circular dichroism (CD), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) explored MP, SPI, and MD interactions, clarifying the MP-SPI-MD complex mechanism on MP's light stability. Microstructure and Differential Scanning Calorimetry (DSC) analyzed the morphology and thermal properties. The retention rate of MP increased to approximately 80%, and minimal color difference was observed when adding SPI and MD simultaneously. FS revealed hydrophobic interaction between MP and SPI. FTIR showed intensity changes and peak shifts in admin I band and admin II band, which proved the hydrophobic interaction. CD showed a decrease in α-helix content and an increase in β-sheet content after complex formation, indicating strengthened hydrogen bonding interactions. SEM analysis demonstrated that MP was attached to the surface and interior of complexes. XRD showed MP as crystalline, while SPI and MD were amorphous, complexes exhibited weakened or absent peaks, suggesting MP encapsulation. The results of DSC were consistent with XRD. CONCLUSION SPI and MD enveloped MP through hydrogen bonding and hydrophobic interaction, ultimately enhancing its light stability and providing insights for pigment-protein-polysaccharide interactions and improving pigment stability in the food industry. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Qiuyu Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Xiaoyu Li
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Jia Hao
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Duoxia Xu
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing, 100048, China
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11
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Fang Q, Tang M. Oxidative stress-induced neurotoxicity of quantum dots and influencing factors. Nanomedicine (Lond) 2024. [PMID: 38606672 DOI: 10.2217/nnm-2023-0326] [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] [Indexed: 04/13/2024] Open
Abstract
Quantum dots (QDs) have significant potential for treating and diagnosing CNS diseases. Meanwhile, the neurotoxicity of QDs has garnered attention. In this review, we focus on elucidating the mechanisms and consequences of CNS oxidative stress induced by QDs. First, we discussed the pathway of QDs transit into the brain. We then elucidate the relationship between QDs and oxidative stress from in vivo and in vitro studies. Furthermore, the main reasons and adverse outcomes of QDs leading to oxidative stress are discussed. In addition, the primary factors that may affect the neurotoxicity of QDs are analyzed. Finally, we propose potential strategies for mitigating QDs neurotoxicity and outline future perspectives for their development.
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Affiliation(s)
- Qing Fang
- Key Laboratory of Environmental Medicine & Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, People's Republic of China
| | - Meng Tang
- Key Laboratory of Environmental Medicine & Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, People's Republic of China
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Tong Z, Meng D, Zhang W, Jin L, Yi X, Dong X, Sun M, Chu Y, Duan J. Mechanism Insights into the Enantioselective Bioactivity and Fumonisin Biosynthesis of Mefentrifluconazole to Fusarium verticillioides. J Agric Food Chem 2024. [PMID: 38607803 DOI: 10.1021/acs.jafc.4c01336] [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: 04/14/2024]
Abstract
The occurrence of maize ear rot caused by Fusarium verticillioides (F. verticillioides) poses a threat to the yield and quality of maize. Mefentrifluconazole enantiomers appear to have strong stereoselective activity against F. verticillioides and cause differences in fumonisin production. We evaluated the stereoselective activity of mefentrifluconazole enantiomers by determining inhibition of the strain, hyphae, and conidia. Strain inhibition by R-(-)-mefentrifluconazole was 241 times higher than S-(+)-mefentrifluconazole and 376 times higher in conidia inhibition. For the mechanism of the enantioselective bioactivity, R-mefentrifluconazole had stronger binding to proteins than S-(+)-mefentrifluconazole. Under several concentration conditions, the fumonisin concentration was 1.3-24.9-fold higher in the R-(-)-mefentrifluconazole treatment than in the S-(+)-mefentrifluconazole treatment. The R-enantiomer stimulated fumonisin despite a higher bioactivity. As the incubation time increased, the stimulation of the enantiomers on fumonisin production decreased. R-(-)-Mefentrifluconazole stimulated higher fumonisin production in F. verticillioides at 25 °C compared to 30 °C. This study established a foundation for the development of high-efficiency and low-risk pesticides.
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Affiliation(s)
- Zhou Tong
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - DanDan Meng
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - WenYu Zhang
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - Lei Jin
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - XiaoTong Yi
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - Xu Dong
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - MingNa Sun
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - Yue Chu
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
| | - JinSheng Duan
- Institute of Plant Protection and Agro-Product Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, China
- Anhui Province Key Laboratory of Pesticide Resistance Management on Grain and Vegetable Pests, Hefei 230031, China
- Key Laboratory of Agro-Product Safety Risk Evaluation (Hefei), Ministry of Agriculture, Hefei 230031, China
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13
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Ren QL, Li XL, Tian T, Li S, Shi RY, Wang Q, Zhu Y, Wang M, Hu H, Liu JG. Application of Natural Medicinal Plants Active Ingredients in Oral Squamous Cell Carcinoma. Chin J Integr Med 2024:10.1007/s11655-024-3804-7. [PMID: 38607612 DOI: 10.1007/s11655-024-3804-7] [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] [Accepted: 12/18/2023] [Indexed: 04/13/2024]
Abstract
Oral squamous cell carcinoma (OSCC) is the most common malignant cancer of the head and neck, with high morbidity and mortality, ranking as the sixth most common cancer in the world. The treatment of OSCC is mainly radiotherapy, chemotherapy and surgery, however, the prognosis of patients is still poor and the recurrence rate is high. This paper reviews the range of effects of natural medicinal plant active ingredients (NMPAIs) on OSCC cancer, including the types of NMPAIs, anti-cancer mechanisms, involved signaling pathways, and clinical trials. The NMPAIs include terpenoids, phenols, flavonoids, glycosides, alkaloids, coumarins, and volatile oils. These active ingredients inhibit proliferation, induce apoptosis and autophagy, inhibit migration and invasion of OSCC cells, and regulate cancer immunity to exert anti-cancer effects. The mechanism involves signaling pathways such as mitogen-activated protein kinase, phosphatidylinositol 3 kinase/protein kinase B, nuclear factor kappa B, miR-22/WNT1/β-catenin and Nrf2/Keap1. Clinically, NMPAIs can inhibit the growth of OSCC, and the combined drug is more effective. Natural medicinal plants are promising candidates for the treatment of OSCC.
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Affiliation(s)
- Qun-Li Ren
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Xiao-Lan Li
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Tian Tian
- School of Basic Medicine, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Shuang Li
- School of Basic Medicine, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Rong-Yi Shi
- School of Basic Medicine, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Qian Wang
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Yuan Zhu
- School of Basic Medicine, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Miao Wang
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Huan Hu
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China
| | - Jian-Guo Liu
- School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, 563000, China.
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14
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Röck M, Heel SV, Juen FS, Eidelpes R, Kreutz C, Breuker K, Tollinger M. The PR-10 protein Pru p 1 is an endonuclease that preferentially cleaves single-stranded RNA. Chembiochem 2024:e202400204. [PMID: 38602716 DOI: 10.1002/cbic.202400204] [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: 03/05/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/12/2024]
Abstract
Pathogenesis-related class 10 (PR-10) proteins play a crucial role in plant defense by acting as ribonucleases. The specific mechanism of action and substrate specificity of these proteins have remained largely unexplored so far. In this study, we elucidate the enzymatic activity of Pru p 1, a PR-10 protein from peach. We demonstrate that this protein catalyzes the endonucleolytic backbone cleavage of RNA substrates into short oligonucleotides. Initial cleavage products, identified through kinetic analysis, can bind again, priming them for further degradation. NMR binding site mapping reveals that the large internal cavity of Pru p 1, which is characteristic for PR-10 proteins, serves as an anchoring site for single-stranded ribonucleotide chains. We propose a structure-based mechanistic model that accounts for the observed cleavage patterns and the inhibitory effect of zeatin, a nucleoside analog, on the ribonuclease activity of Pru p 1.
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Affiliation(s)
- Manuel Röck
- University of Innsbruck Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, AUSTRIA
| | - Sarah Viola Heel
- University of Innsbruck Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, AUSTRIA
| | - Fabian Sebastian Juen
- University of Innsbruck Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, AUSTRIA
| | - Reiner Eidelpes
- University of Innsbruck Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, AUSTRIA
| | - Christoph Kreutz
- University of Innsbruck Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, AUSTRIA
| | - Kathrin Breuker
- Universitat Innsbruck Fakultat fur Chemie und Pharmazie, Institute of Organic Chemistry, AUSTRIA
| | - Martin Tollinger
- University of Innsbruck Faculty of Chemistry and Pharmacy, Organic Chemistry, Innrain 80/82, 6020, Innsbruck, AUSTRIA
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15
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Kótai B, Laczkó G, Hamza A, Pápai I. Stereocontrol via Propeller Chirality in FLP-Catalyzed Asymmetric Hydrogenation. Chemistry 2024; 30:e202400241. [PMID: 38294415 DOI: 10.1002/chem.202400241] [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: 01/19/2024] [Revised: 01/31/2024] [Accepted: 01/31/2024] [Indexed: 02/01/2024]
Abstract
Utilization of chiral frustrated Lewis pairs as catalysts in enantioselective hydrogenation of unsaturated molecules represents a promising approach in asymmetric synthesis. In our effort to improve our current understanding of the factors governing the stereoselectivity in these catalytic processes, herein we examined the mechanism of direct hydrogenation of aromatic enamines catalyzed by a binaphthyl-based chiral amino-borane. Our computational analysis reveals that only one particular conformer of the key borohydride reaction intermediate can be regarded as a reactive form of this species. This borohydride conformer has a well-defined chiral propeller shape, which induces facial selectivity in the hydride transfer to pro-chiral iminium intermediates. The propeller chirality of the reactive borohydride conformer is generated by the axially chiral binaphthyl scaffold of the amino-borane catalyst through stabilizing π-π stacking interactions. This new computational insight can be readily used to interpret the high degree of stereoinduction observed for these reactions. We expect that the concept of chirality relay could be further exploited in catalyst design endeavors.
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Affiliation(s)
- B Kótai
- Institute of Organic Chemistry, Research Centre for Natural Sciences, H-1117, Budapest, Magyar tudósok körútja 2
- Hevesy György Ph.D. School of Chemistry, Eötvös Loránd University, P.O. Box 32, H-1518, Budapest, Hungary
| | - G Laczkó
- Institute of Organic Chemistry, Research Centre for Natural Sciences, H-1117, Budapest, Magyar tudósok körútja 2
- Hevesy György Ph.D. School of Chemistry, Eötvös Loránd University, P.O. Box 32, H-1518, Budapest, Hungary
| | - A Hamza
- Institute of Organic Chemistry, Research Centre for Natural Sciences, H-1117, Budapest, Magyar tudósok körútja 2
| | - I Pápai
- Institute of Organic Chemistry, Research Centre for Natural Sciences, H-1117, Budapest, Magyar tudósok körútja 2
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16
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Chen Q, Gu Y, Fu H, Luo R, Zhu D, Dong P, Ma J, Ju H, Lei J. Ultrastable Anion Radicals in Ligand-Dimerized Frameworks for Self-Accumulated Electrochemiluminescence. ACS Appl Mater Interfaces 2024; 16:18194-18201. [PMID: 38532607 DOI: 10.1021/acsami.4c01412] [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: 03/28/2024]
Abstract
Electrochemiluminescence (ECL) is a light-emitting process that occurs via an annihilation reaction among energetic radical intermediates, whose stabilities determine the ECL efficiency. In this study, a ligand-dimerized metal-organic framework (MOF) with ultrastable anion radical is designed as an efficient nanoemitter for self-accumulated ECL. Due to the nonplanar structure of perylene diimide (PDI) derivate, two PDI ligands in the framework form a J-dimer unit with a vertical distance of ∼5.74 Å. In cathodic scanning, the ligand-dimerized MOF demonstrates three-step ECL emissions with a gradual increase in ECL intensity. Unlike the decrease in the PDI ligand, the self-accumulated ECL of the MOF was observed with 16.8-fold enhancement due to the excellent stability of radical intermediates in frameworks. Electron paramagnetic resonance demonstrated the ultrastability of free radicals in the designed frameworks, with 82.2% remaining even after one month of storage. Density functional theory calculations supported that PDI dimerization was energetically favorable upon successive electron injection. Moreover, the ECL wavelength is 610 nm, corresponding to the emission of excited dimers. The radical-stabilized reticular nanoemitters open up a new platform for decoding the fundamentals of self-accumulated ECL systems.
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Affiliation(s)
- Qizhou Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yuming Gu
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Haomin Fu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Rengan Luo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Da Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Pengfei Dong
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Jing Ma
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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17
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Cui X, Zhang S, Cong X, Gao J, Wu Y, Guo X, Hu R, Wang S, Chen J, Li Y, Du W, Yang G. A novel non-chemically amplified resist based on polystyrene-iodonium derivatives for electron beam lithography. Nanotechnology 2024. [PMID: 38593758 DOI: 10.1088/1361-6528/ad3c4c] [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: 04/11/2024]
Abstract
To break the resolution limitation of traditional resists, more work is needed on non-chemically amplified resists (non-CARs). Non-CARs based on iodonium salt modified polystyrene (PS-I) were prepared with controllable molecular weight and structure. The properties of the resist can be adjusted by the uploading of iodonium salts on the polymer chain, the materials with a higher proportion of iodonium salts show better lithography performance. By comparing contrast curves and quality of the lithographic patterns, the optimum developing condition of 4-methyl-2-pentanone and ethyl alcohol (v:v = 1:7) was selected. The high-resolution stripes of 15 nm half-pitch (HP) can be achieved by PS-I0.58 in e-beam lithography (EBL). PS-I0.58 shows the advanced lithography performance in the patterns of 16 nm HP and 18 nm HP stripes with low line edge roughness (LER) (3.0 nm and 2.4 nm). The resist shows excellent potential for further pattern transfer, the etch selectivity of resist PS-I0.58 to the silicon was close to 12:1. The lithographic mechanism of PS-I was investigated by experimental and theoretical calculation, which indicate the polarity of materials changes resulted in the solubility switch. This work provides a new option and useful guidelines for the development of high-resolution resist.
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Affiliation(s)
- Xuewen Cui
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Siliang Zhang
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, CHINA
| | - Xue Cong
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Jiaxing Gao
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Yurui Wu
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Xudong Guo
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Rui Hu
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
| | - Shuangqing Wang
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, CHINA
| | - Jinping Chen
- Technical Institute of Physics and Chemistry Chinese Academy of Sciences, 29 Zhongguancun East Road, Beijing, 100190, CHINA
| | - Yi Li
- Technical Institute of Physics and Chemistry Chinese Academy of Sciences, 29 Zhongguancun East Road, Beijing, 100190, CHINA
| | - Wenna Du
- National Center for Nanoscience and Technology, No.11 ZhongGuanCun BeiYiTiao, Beijing, 100190, CHINA
| | - Guoqiang Yang
- Institute of Chemistry Chinese Academy of Sciences, Zhongguancun North First Street 2,100190 Beijing, PR China, Beijing, 100190, CHINA
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18
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Zhao Q, Han B, Peng C, Zhang N, Huang W, He G, Li JL. A promising future of metal-N-heterocyclic carbene complexes in medicinal chemistry: The emerging bioorganometallic antitumor agents. Med Res Rev 2024. [PMID: 38591229 DOI: 10.1002/med.22039] [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: 01/19/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/10/2024]
Abstract
Metal complexes based on N-heterocyclic carbene (NHC) ligands have emerged as promising broad-spectrum antitumor agents in bioorganometallic medicinal chemistry. In recent decades, studies on cytotoxic metal-NHC complexes have yielded numerous compounds exhibiting superior cytotoxicity compared to cisplatin. Although the molecular mechanisms of these anticancer complexes are not fully understood, some potential targets and modes of action have been identified. However, a comprehensive review of their biological mechanisms is currently absent. In general, apoptosis caused by metal-NHCs is common in tumor cells. They can cause a series of changes after entering cells, such as mitochondrial membrane potential (MMP) variation, reactive oxygen species (ROS) generation, cytochrome c (cyt c) release, endoplasmic reticulum (ER) stress, lysosome damage, and caspase activation, ultimately leading to apoptosis. Therefore, a detailed understanding of the influence of metal-NHCs on cancer cell apoptosis is crucial. In this review, we provide a comprehensive summary of recent advances in metal-NHC complexes that trigger apoptotic cell death via different apoptosis-related targets or signaling pathways, including B-cell lymphoma 2 (Bcl-2 family), p53, cyt c, ER stress, lysosome damage, thioredoxin reductase (TrxR) inhibition, and so forth. We also discuss the challenges, limitations, and future directions of metal-NHC complexes to elucidate their emerging application in medicinal chemistry.
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Affiliation(s)
- Qian Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Nan Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Dermatology & Venerolog, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Gu He
- Department of Dermatology & Venerolog, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jun-Long Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Anti-Infective Agent Creation Engineering Research Centre of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, China
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19
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Lou K, Chi J, Wu J, Ma J, Liu S, Cui Y. Research progress on the microbiota in bladder cancer tumors. Front Cell Infect Microbiol 2024; 14:1374944. [PMID: 38650736 PMCID: PMC11033431 DOI: 10.3389/fcimb.2024.1374944] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/26/2024] [Indexed: 04/25/2024] Open
Abstract
The microbiota, also referred to as the microbial community, is a crucial component of the human microenvironment. It is located predominantly in various organs, including the intestines, skin, oral cavity, respiratory tract, and reproductive tract. The microbiota maintains a symbiotic relationship with the human body, influencing physiological and pathological functions to a significant degree. There is increasing evidence linking the microbial flora to human cancers. In contrast to the traditional belief that the urethra and urine of normal individuals are sterile, recent advancements in high-throughput sequencing technology and bacterial cultivation methods have led to the discovery of specific microbial communities in the urethras of healthy individuals. Given the prevalence of bladder cancer (BCa) as a common malignancy of the urinary system, researchers have shifted their focus to exploring the connection between disease development and the unique microbial community within tumors. This shift has led to a deeper investigation into the role of microbiota in the onset, progression, metastasis, prognosis, and potential for early detection of BCa. This article reviews the existing research on the microbiota within BCa tumors and summarizes the findings regarding the roles of different microbes in various aspects of this disease.
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Affiliation(s)
- Keyuan Lou
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Junpeng Chi
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Jitao Wu
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Jian Ma
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Shu Liu
- Department of Medical Oncology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Yuanshan Cui
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
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20
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Wang J, Lu X, Wang C, Yue Y, Wei B, Zhang H, Wang H, Chen J. Research Progress on the Combination of Quorum-Sensing Inhibitors and Antibiotics against Bacterial Resistance. Molecules 2024; 29:1674. [PMID: 38611953 PMCID: PMC11013322 DOI: 10.3390/molecules29071674] [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: 03/01/2024] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Bacterial virulence factors and biofilm development can be controlled by the quorum-sensing (QS) system, which is also intimately linked to antibiotic resistance in bacteria. In previous studies, many researchers found that quorum-sensing inhibitors (QSIs) can affect the development of bacterial biofilms and prevent the synthesis of many virulence factors. However, QSIs alone have a limited ability to suppress bacteria. Fortunately, when QSIs are combined with antibiotics, they have a better therapeutic effect, and it has even been demonstrated that the two together have a synergistic antibacterial effect, which not only ensures bactericidal efficiency but also avoids the resistance caused by excessive use of antibiotics. In addition, some progress has been made through in vivo studies on the combination of QSIs and antibiotics. This article mainly expounds on the specific effect of QSIs combined with antibiotics on bacteria and the combined antibacterial mechanism of some QSIs and antibiotics. These studies will provide new strategies and means for the clinical treatment of bacterial infections in the future.
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Affiliation(s)
| | | | | | | | | | | | - Hong Wang
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education & Key Laboratory Pharmaceutical Engineering of Zhejiang Province & College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China; (J.W.); (X.L.); (C.W.); (Y.Y.); (B.W.); (H.Z.)
| | - Jianwei Chen
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education & Key Laboratory Pharmaceutical Engineering of Zhejiang Province & College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China; (J.W.); (X.L.); (C.W.); (Y.Y.); (B.W.); (H.Z.)
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21
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Lei J, Yang J, Bao C, Lu F, Wu Q, Wu Z, Lv H, Zhou Y, Liu Y, Zhu N, Yu Y, Zhang Z, Hu M, Lin L. Isorhamnetin: what is the in vitro evidence for its antitumor potential and beyond? Front Pharmacol 2024; 15:1309178. [PMID: 38650631 PMCID: PMC11033395 DOI: 10.3389/fphar.2024.1309178] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 03/20/2024] [Indexed: 04/25/2024] Open
Abstract
Isorhamnetin (ISO) is a phenolic compound belonging to flavonoid family, showcasing important in vitro pharmacological activities such as antitumor, anti-inflammation, and organ protection. ISO is predominantly extracted from Hippophae rhamnoides L. This plant is well-known in China and abroad because of its "medicinal and food homologous" characteristics. As a noteworthy natural drug candidate, ISO has received considerable attention in recent years owing to its low cost, wide availability, high efficacy, low toxicity, and minimal side effects. To comprehensively elucidate the multiple biological functions of ISO, particularly its antitumor activities and other pharmacological potentials, a literature search was conducted using electronic databases including Web of Science, PubMed, Google Scholar, and Scopus. This review primarily focuses on ISO's ethnopharmacology. By synthesizing the advancements made in existing research, it is found that the general effects of ISO involve a series of in vitro potentials, such as antitumor, protection of cardiovascular and cerebrovascular, anti-inflammation, antioxidant, and more. This review illustrates ISO's antitumor and other pharmacological potentials, providing a theoretical basis for further research and new drug development of ISO.
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Affiliation(s)
- Jiaming Lei
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Jianbao Yang
- School of Public Health, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Cuiyu Bao
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorder, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Feifei Lu
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Qing Wu
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Zihan Wu
- School of Biomedical Engineering, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Hong Lv
- School of Public Health, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yanhong Zhou
- Department of Medical School of Facial Features, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yifei Liu
- School of Biomedical Engineering, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Ni Zhu
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - You Yu
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Zhipeng Zhang
- Department of Medical School of Facial Features, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Meichun Hu
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Li Lin
- Key Laboratory of Environmental Related Diseases and One Health, School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
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Wu Y, Wei Q, Lin J, Shang H, Ou R. Cognitive impairment, neuroimaging abnormalities, and their correlations in myotonic dystrophy: a comprehensive review. Front Cell Neurosci 2024; 18:1369332. [PMID: 38638300 PMCID: PMC11024338 DOI: 10.3389/fncel.2024.1369332] [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: 01/26/2024] [Accepted: 03/22/2024] [Indexed: 04/20/2024] Open
Abstract
Myotonic dystrophy (DM) encompasses a spectrum of neuromuscular diseases characterized by myotonia, muscle weakness, and wasting. Recent research has led to the recognition of DM as a neurological disorder. Cognitive impairment is a central nervous system condition that has been observed in various forms of DM. Neuroimaging studies have increasingly linked DM to alterations in white matter (WM) integrity and highlighted the relationship between cognitive impairment and abnormalities in WM structure. This review aims to summarize investigations into cognitive impairment and brain abnormalities in individuals with DM and to elucidate the correlation between these factors and the potential underlying mechanisms contributing to these abnormalities.
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Affiliation(s)
| | | | | | | | - Ruwei Ou
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
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Chen J, Gao Y, Liu N, Hai D, Wei W, Liu Y, Lan X, Jin X, Yu J, Ma L. Mechanism of NLRP3 Inflammasome in Epilepsy and Related Therapeutic Agents. Neuroscience 2024; 546:157-177. [PMID: 38574797 DOI: 10.1016/j.neuroscience.2024.03.029] [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: 12/31/2023] [Revised: 03/05/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024]
Abstract
Epilepsy is one of the most widespread and complex diseases in the central nervous system (CNS), affecting approximately 65 million people globally, an important factor resulting in neurological disability-adjusted life year (DALY) and progressive cognitive dysfunction. Medication is the most essential treatment. The currently used drugs have shown drug resistance in some patients and only control symptoms; the development of novel and more efficacious pharmacotherapy is imminent. Increasing evidence suggests neuroinflammation is involved in the occurrence and development of epilepsy, and high expression of NLRP3 inflammasome has been observed in the temporal lobe epilepsy (TLE) brain tissue of patients and animal models. The inflammasome is a crucial cause of neuroinflammation by activating IL-1β and IL-18. Many preclinical studies have confirmed that regulating NLRP3 inflammasome pathway can prevent the development of epilepsy, reduce the severity of epilepsy, and play a neuroprotective role. Therefore, regulating NLRP3 inflammasome could be a potential target for epilepsy treatment. In summary, this review describes the priming and activation of inflammasome and its biological function in the progression of epilepsy. In addition, we reviewes the current pharmacological researches for epilepsy based on the regulation of NLRP3 inflammasome, aiming to provide a basis and reference for developing novel antiepileptic drugs.
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Affiliation(s)
- Juan Chen
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Yuan Gao
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Ning Liu
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Dongmei Hai
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Wei Wei
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Yue Liu
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaobing Lan
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China
| | - Xueqin Jin
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China.
| | - Jianqiang Yu
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China.
| | - Lin Ma
- Department of Pharmacology, Ningxia Medical University, Yinchuan 750004, China.
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Wu P, Liu H, Xie Z, Xie L, Liu G, Xu Y, Chen J, Lu CZ. Excellent Charge Separation of NCQDs/ZnS Nanocomposites for the Promotion of Photocatalytic H 2 Evolution. ACS Appl Mater Interfaces 2024; 16:16601-16611. [PMID: 38502203 DOI: 10.1021/acsami.3c15957] [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: 03/21/2024]
Abstract
Carbon Quantum dots (CQDs) are widely studied because of their good optical and electronic characteristics and because they can easily generate photocarriers. Nitrogen-doped CQDs (NCQDs) may exhibit improved hydrophilic, optical, and electron-transfer properties, which are conducive to photocatalytic hydrogen evolution. In this paper, NCQD-modified ZnS catalysts were successfully prepared. Under the irradiation of the full spectrum, the H2 evolution rate of the optimal catalyst 0.25 wt % NCQDs/ZnS achieves 5.70 mmol g-1 h-1, which is 11.88, 43.84, and 5.14 times the values of ZnS (0.48 mmol g-1 h-1), NCQDs (0.13 mmol g-1 h-1), and CQDs/ZnS (1.11 mmol g-1 h-1), respectively. Furthermore, it shows good stability, indicating that the modification of NCQDs prevents the photocorrosion and oxidation of ZnS. The enhanced performance is due to NCQD loading, which promotes the separation of photogenerated carriers, optimizes the structures, and increases the specific surface area. This work highlights the fact that NCQD-modified ZnS may afford a new strategy to synthesize ZnS-based photocatalysts with enhanced H2 production performance.
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Affiliation(s)
- Panpan Wu
- School of Optoelectronics and Communication Engineering, Xiamen University of Technology, Xiamen 361024, China
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Fujian Provincial Key Laboratory of Optoelectronic Technology and Devices, Xiamen University of Technology, Xiamen 361024, China
| | - Haizhen Liu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Ziyu Xie
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
| | - Linjun Xie
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
| | - Guozhong Liu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yingchao Xu
- School of Optoelectronics and Communication Engineering, Xiamen University of Technology, Xiamen 361024, China
- Fujian Provincial Key Laboratory of Optoelectronic Technology and Devices, Xiamen University of Technology, Xiamen 361024, China
| | - Jing Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
| | - Can-Zhong Lu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
- Xiamen Institute of Rare-earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Zhou H, Chen Z, Li J, Wang R, Bu H, Ruan C. Dietary Supplementation with Nervonic Acid Ameliorates Cerebral Ischemia-Reperfusion Injury by Modulating of Gut Microbiota Composition-Fecal Metabolites Interaction. Mol Nutr Food Res 2024:e2300671. [PMID: 38566522 DOI: 10.1002/mnfr.202300671] [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: 10/18/2023] [Revised: 02/24/2024] [Indexed: 04/04/2024]
Abstract
SCOPE Cerebral ischemia-reperfusion (IR) injury stands as a prominent global contributor to disability and mortality. Nervonic acid (NA), a bioactive elongated monounsaturated fatty acid, holds pivotal significance in human physiological well-being. This research aims to explore the prophylactic effects and fundamental mechanisms of NA in a rat model of cerebral IR injury. METHODS AND RESULTS Through the induction of middle cerebral artery occlusion, this study establishes a rat model of cerebral IR injury and comprehensively assesses the pharmacodynamic impacts of NA pretreatment. This evaluation involves behavioral analyses, histopathological examinations, and quantification of serum markers. Detailed mechanisms of nervonic acid's prophylactic effects are revealed through fecal metabolomics and 16S rRNA sequencing analyses. Our findings robustly support nervonic acid's capacity to ameliorate neurological impairments in rats afflicted with cerebral IR injury. Beyond its neurological benefits, NA demonstrates its potential by rectifying metabolic perturbations across diverse pathways, particularly those pertinent to unsaturated fatty acid metabolism. Additionally, NA emerges as a modulator of gut microbiota composition, notably by selectively enhancing vital genera like Lactobacillus. CONCLUSION These comprehensive findings highlight the potential of incorporating NA as a functional component in dietary interventions aimed at targeting cerebral IR injury.
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Affiliation(s)
- Hui Zhou
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
| | - Ziyi Chen
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Jingbin Li
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
| | - Rongjin Wang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Hongshi Bu
- National Center of Mass Spectrometry in Changchun, Jilin Province Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Chengjiang Ruan
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
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Elliott T, Merlano Gomez M, Morris D, Wilson C, Pilitsis JG. A scoping review of mechanisms of auricular acupuncture for treatment of pain. Postgrad Med 2024:1-11. [PMID: 38501597 DOI: 10.1080/00325481.2024.2333232] [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: 11/06/2023] [Accepted: 03/13/2024] [Indexed: 03/20/2024]
Abstract
OBJECTIVES Auricular acupuncture (AA) is becoming increasingly common in primary care clinics, emergency departments and peri-operatively for pain relief. Over the last decade, since the last comprehensive reviews were published, the literature has expanded. In this scoping review, we seek to document the efficacy of AA in treating both acute and chronic pain, describe the mechanism of action of AA in treating pain, and discuss how AA has been integrated into Western medicine to date. METHODS The authors performed a MEDLINE search inclusive of articles from 1966 to June 2023 including articles written in English identifying literature. We included human studies when more than 3 patients were included. Three hundred and fourteen unique articles were identified and 152 were selected by title screen. After abstract review, 117 were chosen for full-text review. Following full-text review, 33 articles were excluded and 21 added from references, totaling 105 articles included in our scoping review. RESULTS AA reduces pain severity in patients with both acute and chronic pain. The best studies in the acute settings have occurred in the peri-operative setting where sham AA is employed, multiple sessions of AA are given, and medication dosing is carefully monitored. In these cases, AA reduced pain and post-operative medications. In patients with chronic pain, multiple sessions of AA resulted not only in pain relief but also in improvements in function and disability. Literature suggests that AA works through multiple mechanisms with the most compelling data coupled to the autonomic nervous system and neuroendocrine system. Curriculums designed to teach AA and aid in implementation have been published. CONCLUSION AA is an accessible, effective means of pain relief. AA is relatively straightforward to learn, and protocols and curriculums exist to teach healthcare professionals this valuable skill. Overcoming implementation barriers, including patient education, are essential next steps.
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Affiliation(s)
- Trish Elliott
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, USA
| | - Maria Merlano Gomez
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, USA
| | - Deborah Morris
- Department of Neurosurgery, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Candy Wilson
- Christine E. Lynn College of Nursing, Florida Atlantic University, Boca Raton, FL, USA
| | - Julie G Pilitsis
- Department of Neurosurgery, University of Arizona College of Medicine, Tucson, AZ, USA
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27
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Wang JW, Luo ZM, Yang G, Gil-Sepulcre M, Kupfer S, Rüdiger O, Ouyang G. Highly efficient electrocatalytic CO 2 reduction by a Cr III quaterpyridine complex. Proc Natl Acad Sci U S A 2024; 121:e2319288121. [PMID: 38527206 PMCID: PMC10998623 DOI: 10.1073/pnas.2319288121] [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: 11/11/2023] [Accepted: 02/07/2024] [Indexed: 03/27/2024] Open
Abstract
Design tactics and mechanistic studies both remain as fundamental challenges during the exploitations of earth-abundant molecular electrocatalysts for CO2 reduction, especially for the rarely studied Cr-based ones. Herein, a quaterpyridyl CrIII catalyst is found to be highly active for CO2 electroreduction to CO with 99.8% Faradaic efficiency in DMF/phenol medium. A nearly one order of magnitude higher turnover frequency (86.6 s-1) over the documented Cr-based catalysts (<10 s-1) can be achieved at an applied overpotential of only 190 mV which is generally 300 mV lower than these precedents. Such a high performance at this low driving force originates from the metal-ligand cooperativity that stabilizes the low-valent intermediates and serves as an efficient electron reservoir. Moreover, a synergy of electrochemistry, spectroelectrochemistry, electron paramagnetic resonance, and quantum chemical calculations allows to characterize the key CrII, CrI, Cr0, and CO-bound Cr0 intermediates as well as to verify the catalytic mechanism.
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Affiliation(s)
- Jia-Wei Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai519082, China
| | - Zhi-Mei Luo
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai519082, China
| | - Guangjun Yang
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Jena07743, Germany
| | - Marcos Gil-Sepulcre
- Max Planck Institute for Chemical Energy Conversion, Mülheim an der RuhrD-45470, Germany
| | - Stephan Kupfer
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Jena07743, Germany
| | - Olaf Rüdiger
- Max Planck Institute for Chemical Energy Conversion, Mülheim an der RuhrD-45470, Germany
| | - Gangfeng Ouyang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai519082, China
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28
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Zhao Z, Cui T, Wei F, Zhou Z, Sun Y, Gao C, Xu X, Zhang H. Wnt/β-Catenin signaling pathway in hepatocellular carcinoma: pathogenic role and therapeutic target. Front Oncol 2024; 14:1367364. [PMID: 38634048 PMCID: PMC11022604 DOI: 10.3389/fonc.2024.1367364] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common primary malignant liver tumor and one of the leading causes of cancer-related deaths worldwide. The Wnt/β-Catenin signaling pathway is a highly conserved pathway involved in several biological processes, including the improper regulation that leads to the tumorigenesis and progression of cancer. New studies have found that abnormal activation of the Wnt/β-Catenin signaling pathway is a major cause of HCC tumorigenesis, progression, and resistance to therapy. New perspectives and approaches to treating HCC will arise from understanding this pathway. This article offers a thorough analysis of the Wnt/β-Catenin signaling pathway's function and its therapeutic implications in HCC.
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Affiliation(s)
- Zekun Zhao
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Tenglu Cui
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Radiotherapy Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Fengxian Wei
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Zhiming Zhou
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Yuan Sun
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Chaofeng Gao
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Xiaodong Xu
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Huihan Zhang
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
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Sun C, Zhao S, Pan Z, Li J, Wang Y, Kuang H. The Role Played by Mitochondria in Polycystic Ovary Syndrome. DNA Cell Biol 2024; 43:158-174. [PMID: 38588493 DOI: 10.1089/dna.2023.0345] [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] [Indexed: 04/10/2024] Open
Abstract
Polycystic ovary syndrome (PCOS) refers to an endocrine disorder syndrome that are correlated with multiple organs and systems. PCOS has an effect on women at all stages of their lives, and it has an incidence nearly ranging from 6% to 20% worldwide. Mitochondrial dysfunctions (e.g., oxidative stress, dynamic imbalance, and abnormal quality control system) have been identified in patients and animal models of PCOS, and the above processes may play a certain role in the development of PCOS and its associated complications. However, their specific pathogenic roles should be investigated in depth. In this review, recent studies on the mechanisms of action of mitochondrial dysfunction in PCOS and its associated clinical manifestations are summarized from the perspective of tissues and organs, and some studies on the treatment of the disease by improving mitochondrial function are reviewed to highlight key role of mitochondrial dysfunction in this syndrome.
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Affiliation(s)
- Chang Sun
- Department of Gynecology, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Shanshan Zhao
- Department of Gynecology, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zimeng Pan
- Department of Gynecology, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jing Li
- Department of Gynecology, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yasong Wang
- Department of Gynecology, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Hongying Kuang
- Second Department of Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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30
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Miller MB, Freeman LK, Helle AC, Hall NA, DiBello AM, McCrae CS. Comparative feasibility and preliminary efficacy of CBT for insomnia among adults seeking and not seeking addiction treatment. J Sleep Res 2024; 33:e13969. [PMID: 37423902 DOI: 10.1111/jsr.13969] [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: 12/16/2022] [Revised: 05/02/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2023]
Abstract
Two out of three adults seeking treatment for alcohol or other substance use disorders report co-occurring symptoms of insomnia. This study compared the feasibility, acceptability, and preliminary efficacy of cognitive behavioural therapy for insomnia (CBT-I) among adults seeking and not seeking treatment for substance use. Adults with alcohol or other substance use disorders (n = 22, 32% female, 82% White; Mage = 39.5) completed assessments at baseline, post-treatment, and at 6 week follow-up. Of those, 11 were and 11 were not enrolled in substance use treatment. All received CBT-I. Multiple imputation was used for missing data. Data were analysed using repeated measures analyses of variance. In the substance use treatment group, 6/11 completed post and 5/11 completed follow-up. In the non-treatment group, 9/11 completed post and 7/11 completed follow-up. Participants in both groups reported improvements in insomnia severity, sleep onset latency, and dysfunctional beliefs about sleep, with most effects evident at post and follow-up. There was a marginal group-by-time interaction in the change in frequency of substance use, with only participants not in substance use treatment reporting decreases at follow-up. Participants in substance use treatment reported significant reductions in substance-related problems and symptoms of post-traumatic stress disorder over time; however, they also reported more symptoms at baseline. CBT-I produces similar reductions in insomnia but is relatively less feasible among individuals in (versus not in) treatment for substance use disorder. This may be due to the more complex logistics of accessing CBT-I among those in treatment. We speculate that integrating CBT-I into treatment for addictions may improve feasibility in this population. clinicaltrials.gov NCT04198311.
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Affiliation(s)
- Mary Beth Miller
- Department of Psychiatry, University of Missouri, Columbia, Missouri, USA
| | - Lindsey K Freeman
- Department of Psychiatry, University of Missouri, Columbia, Missouri, USA
- Department of Psychological Sciences, University of Missouri, Columbia, Missouri, USA
| | - Ashley C Helle
- Department of Psychological Sciences, University of Missouri, Columbia, Missouri, USA
| | - Nicole A Hall
- Department of Psychology, University of Houston, Houston, Texas, USA
| | - Angelo M DiBello
- Center of Alcohol & Substance Use Studies, Rutgers University, Piscataway, New Jersey, USA
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31
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Wang M, Jin Z, Huang H, Cheng X, Zhang Q, Tang Y, Zhu X, Zong Z, Li H, Ning Z. Neutrophil hitchhiking: Riding the drug delivery wave to treat diseases. Drug Dev Res 2024; 85:e22169. [PMID: 38477422 DOI: 10.1002/ddr.22169] [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: 10/08/2023] [Revised: 02/06/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024]
Abstract
Neutrophils are a crucial component of the innate immune system and play a pivotal role in various physiological processes. From a physical perspective, hitchhiking is considered a phenomenon of efficient transportation. The combination of neutrophils and hitchhikers has given rise to effective delivery systems both in vivo and in vitro, thus neutrophils hitchhiking become a novel approach to disease treatment. This article provides an overview of the innovative and feasible application of neutrophils as drug carriers. It explores the mechanisms underlying neutrophil function, elucidates the mechanism of drug delivery mediated by neutrophil-hitchhiking, and discusses the potential applications of this strategy in the treatment of cancer, immune diseases, inflammatory diseases, and other medical conditions.
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Affiliation(s)
- Menghui Wang
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang University, Nanchang, Jiangxi Province, China
- HuanKui Academy, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhenhua Jin
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Haoyu Huang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Xifu Cheng
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Qin Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Ying Tang
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Xiaoping Zhu
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhen Zong
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Hui Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhikun Ning
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
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32
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Sun J, Zhang Y, Zheng Z, Ding X, Sun M, Ding G. Potential mechanism of ginseng in the treatment of periodontitis based on network pharmacology and molecular docking. Hua Xi Kou Qiang Yi Xue Za Zhi 2024; 42:181-191. [PMID: 38597078 DOI: 10.7518/hxkq.2024.2023285] [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] [Indexed: 04/11/2024]
Abstract
OBJECTIVES To explore the mechanism of ginseng in the treatment of periodontitis based on network pharmacology and molecular docking technology. METHODS Potential targets of ginseng and periodontitis were obtained through various databases. The intersection targets of ginseng and periodontitis were obtained by using VENNY, the protein-protein interaction network relationship diagram was formed on the STRING platform, the core target diagram was formed by Cytoscape software, and the ginseng-active ingredient-target network diagram was constructed. The selected targets were screened for gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) pathway enrichment analysis. The core targets of ginseng's active ingredients in treating periodontitis were analyzed by molecular docking technique. RESULTS The 22 ginseng's active ingredients, 591 potential targets of ginseng's active ingredients, 2 249 periodontitis gene targets, and 145 ginseng-periodontitis intersection targets were analyzed. Ginseng had strong binding activity on core targets such as vascular endothelial growth factor A and epidermal growth factor receptor, as well as hypoxia induced-factor 1 (HIF-1) signaling pathway and phosphatidylinositol 3-kinase-protein kinase B (PI3K-Akt) signaling pathway. CONCLUSIONS Ginseng and its active components can regulate several signaling pathways such as HIF-1 and PI3K-Akt, thereby indicating that ginseng may play a role in treating periodontitis through multiple pathways.
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Affiliation(s)
- Jinmeng Sun
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
| | - Ying Zhang
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
| | - Zejun Zheng
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
| | - Xiaoling Ding
- Clinical Competency Training Center, Shandong Second Medical University, Weifang 261053, China
| | - Minmin Sun
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
| | - Gang Ding
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
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Wu W. We know what attention is! Trends Cogn Sci 2024; 28:304-318. [PMID: 38103983 DOI: 10.1016/j.tics.2023.11.007] [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: 08/15/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/19/2023]
Abstract
Attention is one of the most thoroughly investigated psychological phenomena, yet skepticism about attention is widespread: we do not know what it is, it is too many things, there is no such thing. The deficiencies highlighted are not about experimental work but the adequacy of the scientific theory of attention. Combining common scientific claims about attention into a single theory leads to internal inconsistency. This paper demonstrates that a specific functional conception of attention is incorporated into the tasks used in standard experimental paradigms. In accepting these paradigms as valid probes of attention, we commit to this common conception. The conception unifies work at multiple levels of analysis into a coherent scientific explanation of attention. Thus, we all know what attention is.
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Affiliation(s)
- Wayne Wu
- Italian Academy for Advanced Studies in America, Columbia University, New York, NY, USA; Department of Philosophy and Neuroscience Institute, Carnegie Mellon University, Pittsburgh, PA, USA.
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Dominguez-Molano P, Solé-Daura A, Carbó JJ, Fernández E. Remote 1,4-Carbon-to-Carbon Boryl Migration: From a Mechanistic Challenge to a Valuable Synthetic Application of Bicycles. Adv Sci (Weinh) 2024; 11:e2309779. [PMID: 38361396 DOI: 10.1002/advs.202309779] [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] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/25/2024] [Indexed: 02/17/2024]
Abstract
The present paper reports a remote carbon-to-carbon boryl migration via an intramolecular 1,4-B/Cu shift, which establishes an in situ stereospecific electrophilic trap on the alkene moiety. The synthetic application is developed to prepare functionalized cyclopentenes by means of a palladium-catalyzed regioselective intramolecular coupling that completes a strategic cyclopropanation and generates valuable structural bicyclic systems. The mechanism is characterized by DFT (density functional theory) calculations which showed that the 1,4-migration proceeds through an intramolecular, nucleophilic attack of the copper-alkyl moiety on the boron atom bonded to the C(sp2), leading to a 5-membered boracycle structure. The computation of the 1,3- and 1,4-B/Cu shifts is also compared as is the impact of the endo- or exocyclic alkene on the reaction kinetics.
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Affiliation(s)
- Paula Dominguez-Molano
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Albert Solé-Daura
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Jorge J Carbó
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Elena Fernández
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Tarragona, 43007, Spain
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35
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Shi Y, Wen T, Zhao F, Hu J. Bacteriostasis of nisin against planktonic and biofilm bacteria: Its mechanism and application. J Food Sci 2024; 89:1894-1916. [PMID: 38477236 DOI: 10.1111/1750-3841.17001] [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: 12/16/2023] [Revised: 01/27/2024] [Accepted: 02/09/2024] [Indexed: 03/14/2024]
Abstract
Food safety incidents caused by bacterial contamination have always been one of the public safety issues of social concern. Planktonic cells, viable but non-culturable (VBNC) cells, and biofilm cells of bacteria can coexist in food or food processing, posing more serious challenges to public health and safety by increasing bacterial survival and difficulty in detection. As a non-toxic, no side effect, and highly effective bacteriostatic substance, nisin has received wide attention from researchers. In this review, we summarized the species and biosynthesis of nisin, the effects of nisin alone or in combination with other treatments on planktonic and biofilm cells, and its applications in the fields of food, feed, and medicine by consulting numerous studies. Meanwhile, the mechanism of nisin on planktonic and biofilm cells was proposed based on existing researches. Nisin not only has antibacterial activity against most G+ bacteria but also exhibits a bacteriostatic effect on G- bacteria when combined with other antibacterial treatments. In addition to planktonic cells, nisin also has significant effects on bacterial cells in biofilms by changing the thickness, density, and composition of biofilms. Based on the three action processes of nisin on biofilms, we summarized the changes of bacteria in biofilms, including the causes of bacterial death and the formation of the VBNC state. We consider that research on the relationship between nisin and VBNC state should be strengthened.
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Affiliation(s)
- Ying Shi
- College of Food Science and Engineering, Jilin University, Changchun, P. R. China
| | - Tao Wen
- College of Food Science and Engineering, Jilin University, Changchun, P. R. China
| | - Feng Zhao
- College of Food Science and Engineering, Jilin University, Changchun, P. R. China
| | - Jia Hu
- College of Food Science and Engineering, Jilin University, Changchun, P. R. China
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36
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Comte L, Bertrand R, Diamond S, Lancaster LT, Pinsky ML, Scheffers BR, Baecher JA, Bandara RMWJ, Chen IC, Lawlor JA, Moore NA, Oliveira BF, Murienne J, Rolland J, Rubenstein MA, Sunday J, Thompson LM, Villalobos F, Weiskopf SR, Lenoir J. Bringing traits back into the equation: A roadmap to understand species redistribution. Glob Chang Biol 2024; 30:e17271. [PMID: 38613240 DOI: 10.1111/gcb.17271] [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: 11/18/2023] [Revised: 03/06/2024] [Accepted: 03/11/2024] [Indexed: 04/14/2024]
Abstract
Ecological and evolutionary theories have proposed that species traits should be important in mediating species responses to contemporary climate change; yet, empirical evidence has so far provided mixed evidence for the role of behavioral, life history, or ecological characteristics in facilitating or hindering species range shifts. As such, the utility of trait-based approaches to predict species redistribution under climate change has been called into question. We develop the perspective, supported by evidence, that trait variation, if used carefully can have high potential utility, but that past analyses have in many cases failed to identify an explanatory value for traits by not fully embracing the complexity of species range shifts. First, we discuss the relevant theory linking species traits to range shift processes at the leading (expansion) and trailing (contraction) edges of species distributions and highlight the need to clarify the mechanistic basis of trait-based approaches. Second, we provide a brief overview of range shift-trait studies and identify new opportunities for trait integration that consider range-specific processes and intraspecific variability. Third, we explore the circumstances under which environmental and biotic context dependencies are likely to affect our ability to identify the contribution of species traits to range shift processes. Finally, we propose that revealing the role of traits in shaping species redistribution may likely require accounting for methodological variation arising from the range shift estimation process as well as addressing existing functional, geographical, and phylogenetic biases. We provide a series of considerations for more effectively integrating traits as well as extrinsic and methodological factors into species redistribution research. Together, these analytical approaches promise stronger mechanistic and predictive understanding that can help society mitigate and adapt to the effects of climate change on biodiversity.
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Affiliation(s)
- Lise Comte
- School of Biological Sciences, Illinois State University, Normal, Illinois, USA
- Conservation Science Partners, Inc., Truckee, California, USA
| | - Romain Bertrand
- Centre de Recherche sur la Biodiversité et l'Environnement (CRBE UMR5300), Université de Toulouse, CNRS, IRD, Toulouse INP, Université Toulouse 3 Paul Sabatier (UT3), Toulouse, France
| | - Sarah Diamond
- Department of Biology, Case Western Reserve University, Cleveland, Ohio, USA
| | | | - Malin L Pinsky
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey, USA
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - Brett R Scheffers
- Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, Florida, USA
| | - J Alex Baecher
- School of Natural Resources and Environment, University of Florida, Gainesville, Florida, USA
| | - R M W J Bandara
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey, USA
| | - I-Ching Chen
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Jake A Lawlor
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Nikki A Moore
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Brunno F Oliveira
- Fondation pour la Recherche sur la Biodiversité (FRB), Centre de Synthèse et d'Analyse sur la Biodiversité (CESAB), Montpellier, France
| | - Jerome Murienne
- Centre de Recherche sur la Biodiversité et l'Environnement (CRBE UMR5300), Université de Toulouse, CNRS, IRD, Toulouse INP, Université Toulouse 3 Paul Sabatier (UT3), Toulouse, France
| | - Jonathan Rolland
- Centre de Recherche sur la Biodiversité et l'Environnement (CRBE UMR5300), Université de Toulouse, CNRS, IRD, Toulouse INP, Université Toulouse 3 Paul Sabatier (UT3), Toulouse, France
| | - Madeleine A Rubenstein
- U.S. Geological Survey National Climate Adaptation Science Center, Reston, Virginia, USA
| | - Jennifer Sunday
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Laura M Thompson
- U.S. Geological Survey National Climate Adaptation Science Center, Reston, Virginia, USA
- School of Natural Resources, University of Tennessee, Knoxville, Tennessee, USA
| | - Fabricio Villalobos
- Red de Biología Evolutiva, Instituto de Ecología A.C. - INECOL, Veracruz, Mexico
| | - Sarah R Weiskopf
- U.S. Geological Survey National Climate Adaptation Science Center, Reston, Virginia, USA
| | - Jonathan Lenoir
- UMR CNRS 7058, Ecologie et Dynamique Des Systèmes Anthropisés (EDYSAN), Université de Picardie Jules Verne, Amiens, France
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37
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Ahmad M, Grayson SM. Understanding zwitterionic ring-expansion polymerization through mass spectrometry. Mass Spectrom Rev 2024. [PMID: 38556789 DOI: 10.1002/mas.21877] [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] [Received: 06/14/2023] [Revised: 01/28/2024] [Accepted: 03/07/2024] [Indexed: 04/02/2024]
Abstract
Zwitterionic ring-expansion polymerization (ZREP) is a polymerization method in which a cyclic monomer is converted into a cyclic polymer through a zwitterionic intermediate. In this review, we explored the ZREP of various cyclic polymers and how mass spectrometry assists in identifying the product architectures and understanding their intricate reaction mechanism. For the majority of polymers (from a few thousand to a few million Da) matrix-assisted laser desorption/ionization time-of-flight mass spectrometry is the most effective mass spectrometry technique to determine the true molecular weight (MW) of the resultant product, but only when the dispersity is low (approximately below 1.2). The key topics covered in this study were the ZREP of cyclic polyesters, cyclic polyamides, and cyclic ethers. In addition, this study also addresses a number of other preliminary topics, including the ZREP of cyclic polycarbonates, cyclic polysiloxanes, and cyclic poly(alkylene phosphates). The purity and efficiency of those syntheses largely depend on the catalyst. Among several catalysts, N-heterocyclic carbenes have exhibited high efficiency in the synthesis of cyclic polyesters and polyamides, whereas tris(pentafluorophenyl)borane [B(C6F5)3] is the most optimal catalyst for cyclic polyether synthesis.
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Affiliation(s)
- Mahi Ahmad
- Department of Chemistry, Tulane University, New Orleans, Louisiana, USA
| | - Scott M Grayson
- Department of Chemistry, Tulane University, New Orleans, Louisiana, USA
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Wei Q, Zhang YH. Flavonoids with Anti-Angiogenesis Function in Cancer. Molecules 2024; 29:1570. [PMID: 38611849 PMCID: PMC11013936 DOI: 10.3390/molecules29071570] [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: 03/10/2024] [Revised: 03/23/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
The formation of new blood vessels, known as angiogenesis, significantly impacts the development of multiple types of cancer. Consequently, researchers have focused on targeting this process to prevent and treat numerous disorders. However, most existing anti-angiogenic treatments rely on synthetic compounds and humanized monoclonal antibodies, often expensive or toxic, restricting patient access to these therapies. Hence, the pursuit of discovering new, affordable, less toxic, and efficient anti-angiogenic compounds is imperative. Numerous studies propose that natural plant-derived products exhibit these sought-after characteristics. The objective of this review is to delve into the anti-angiogenic properties exhibited by naturally derived flavonoids from plants, along with their underlying molecular mechanisms of action. Additionally, we summarize the structure, classification, and the relationship between flavonoids with their signaling pathways in plants as anti-angiogenic agents, including main HIF-1α/VEGF/VEGFR2/PI3K/AKT, Wnt/β-catenin, JNK1/STAT3, and MAPK/AP-1 pathways. Nonetheless, further research and innovative approaches are required to enhance their bioavailability for clinical application.
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Affiliation(s)
- Qiang Wei
- School of Medicine, Anhui Xinhua University, 555 Wangjiang West Road, Hefei 230088, China;
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Fang Y, Yang L, Rao F, Zhang K, Qin Z, Song Z, Na Z. Behaviors and Mechanisms of Adsorption of MB and Cr(VI) by Geopolymer Microspheres under Single and Binary Systems. Molecules 2024; 29:1560. [PMID: 38611839 PMCID: PMC11013745 DOI: 10.3390/molecules29071560] [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: 01/25/2024] [Revised: 03/09/2024] [Accepted: 03/13/2024] [Indexed: 04/14/2024] Open
Abstract
Geopolymers show great potential in complex wastewater treatment to improve water quality. In this work, general geopolymers, porous geopolymers and geopolymer microspheres were prepared by the suspension curing method using three solid waste products, coal gangue, fly ash and blast furnace slag. The microstructure, morphology and surface functional groups of the geopolymers were studied by SEM, XRD, XRF, MIP, FTIR and XPS. It was found that the geopolymers possess good adsorption capacities for both organic and inorganic pollutants. With methylene blue and potassium dichromate as the representative pollutants, in order to obtain the best removal rate, the effects of the adsorbent type, dosage of adsorbent, concentration of methylene blue and potassium dichromate and pH on the adsorption process were studied in detail. The results showed that the adsorption efficiency of the geopolymers for methylene blue and potassium dichromate was in the order of general geopolymers < porous geopolymers < geopolymer microspheres, and the removal rates were up to 94.56% and 79.46%, respectively. Additionally, the competitive adsorption of methylene blue and potassium dichromate in a binary system was also studied. The mechanism study showed that the adsorption of methylene blue was mainly through pore diffusion, hydrogen bond formation and electrostatic adsorption, and the adsorption of potassium dichromate was mainly through pore diffusion and redox reaction. These findings demonstrate the potential of geopolymer microspheres in adsorbing organic and inorganic pollutants, and, through five cycles of experiments, it is demonstrated that MGP exhibits excellent recyclability.
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Affiliation(s)
- Yi Fang
- Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China; (Y.F.); (K.Z.); (Z.Q.)
- Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals, Fuzhou 350108, China
| | - Lang Yang
- Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China; (Y.F.); (K.Z.); (Z.Q.)
- Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals, Fuzhou 350108, China
- State Key Laboratory of Mineral Processing, Beijing 102628, China
| | - Feng Rao
- Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China; (Y.F.); (K.Z.); (Z.Q.)
- Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals, Fuzhou 350108, China
| | - Kaiming Zhang
- Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China; (Y.F.); (K.Z.); (Z.Q.)
- Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals, Fuzhou 350108, China
| | - Zhuolin Qin
- Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China; (Y.F.); (K.Z.); (Z.Q.)
- Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals, Fuzhou 350108, China
| | - Zhenguo Song
- State Key Laboratory of Mineral Processing, Beijing 102628, China
| | - Zhihui Na
- Yunnan Phosphate Haikou Co., Ltd., Kunming 650114, China
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Xing L, Wang Z, Hao Z, Pan P, Yang A, Wang J. Cuproptosis in stroke: focusing on pathogenesis and treatment. Front Mol Neurosci 2024; 17:1349123. [PMID: 38605864 PMCID: PMC11007218 DOI: 10.3389/fnmol.2024.1349123] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 03/19/2024] [Indexed: 04/13/2024] Open
Abstract
Annually, more than 15 million people worldwide suffer from stroke, a condition linked to high mortality and disability rates. This disease significantly affects daily life, impairing everyday functioning, executive function, and cognition. Moreover, stroke severely restricts patients' ability to perform daily activities, diminishing their overall quality of life. Recent scientific studies have identified cuproptosis, a newly discovered form of cell death, as a key factor in stroke development. However, the role of cuproptosis in stroke remains unclear to researchers. Therefore, it is crucial to investigate the mechanisms of cuproptosis in stroke's pathogenesis. This review examines the physiological role of copper, the characteristics and mechanisms of cuproptosis, the differences and similarities between cuproptosis and other cell death types, and the pathophysiology of cuproptosis in stroke, focusing on mitochondrial dysfunction and immune infiltration. Further research is necessary to understand the relationship between previous strokes and cuproptosis and to clarify the mechanisms behind these associations.
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Affiliation(s)
- Liwei Xing
- The First Clinical Medical School, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Zhifeng Wang
- The First Clinical Medical School, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Zhihui Hao
- The First Clinical Medical School, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Pan Pan
- College of Acupuncture and Massage, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Aiming Yang
- Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Jian Wang
- The First Clinical Medical School, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
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Fu Y, Li X. Work status among middle-aged and older individuals in China: the effects on physical and mental health. Front Public Health 2024; 12:1322398. [PMID: 38605868 PMCID: PMC11006966 DOI: 10.3389/fpubh.2024.1322398] [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: 10/16/2023] [Accepted: 03/14/2024] [Indexed: 04/13/2024] Open
Abstract
Objective China's middle-aged and older population is a rich source of human capital. Therefore, considering the health of this group is important when creating and using human resources. Methods Using data from the nationwide China Health and Retirement Longitudinal Study (CHARLS) 2018 baseline survey of 19,000 adults ages 45 years and older, this study was an objective investigation of the effects of work on the physical and mental health of middle-aged and older adults. We conducted several types of analyses using details of participants' lifestyles and demographic characteristics (living environment, education, financial level, and access to medical services) with work (i.e., employment or volunteer work) as a primary input component of health production to examine their effects on the health status of middle-aged and older individuals. Results Six primary outcomes were identified: (1) Employment positively affects both the physical and mental health of middle-aged and older people; (2) Employment can influence the physical and mental health of middle-aged and older people through income, cognitive level, and social support networks; (3) Compared to non-self-employment, self-employment dramatically worsens physical health but has no apparent detrimental effects on mental health. Compared to non-agricultural employment, agricultural labor affects both physical and mental health. (4) Employment has more positive physical and mental health effects in Individuals with higher rather than lower levels of education. (5) Employment opportunities in the eastern region are more likely to promote better physical health than those in the central and western regions of China, although the effects on mental health are negative. (6) When considering groups at different ages of the lifespan, the 60-65-year-old group, who are just entering retirement probably benefit more from continuing work. Conclusion We provide some recommendations to encourage middle-aged and older people to work and utilize their experience, which will enhance their physical and mental well-being and help them in realize their own value and social integration.
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Affiliation(s)
| | - Xiaohan Li
- Business School, Central South University, Changsha, China
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42
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Wei L, Yao Z, Li H, Guo H, Li Y. Mechanical Properties of Aeolian Sand Concrete Made from Alkali-Treated Aeolian Sand and Zeolite Powder. Materials (Basel) 2024; 17:1537. [PMID: 38612051 PMCID: PMC11012441 DOI: 10.3390/ma17071537] [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] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 02/25/2024] [Accepted: 03/06/2024] [Indexed: 04/14/2024]
Abstract
The aim of this study is to promote the application of the excited zeolite powder (ZP)with aeolian sand powder (ASP) in the field of aeolian-sand concrete (ASC) production. This study utilises NaOH to treat composite cementitious materials containing aeolian sand and zeolite powders, which were used to replace 50% of the cement in aeolian-sand concrete (ASC). Production of alkali-inspired cement-based windswept concrete(AAZC).The mechanical properties of treated ASC considerably improved, especially when the NaOH dosage was 4% by mass. After curing this sample (denoted as AAZC-4) for 28 d, its compressive strength improved by 17.2%, and its split tensile increased by 16.3%. Potassium feldspar and montmorillonite in zeolite powder and SiO2 in the sand were decomposed by OH- and combined with other elements to generate various silicate gels and A-type potassium zeolite crystals inside the concrete. Microscopic examination showed that the gels and crystals intertwined to fill the pores, decreasing (increasing) the percentage of large (small) pores, thus optimising the pore structure. This substantially improved the mechanical properties of ASC. Freeze-thaw salt-intrusion tests showed that the extent of mass loss, degree of damage and loss of compressive strength of AAZC-4 were similar to those of ordinary concrete but were reduced by 36.8%, 19% and 52.1%, respectively, compared with those of ASC. Therefore, AAZC-4 has a sustainable working performance in chloride-ion permeable environments in cold and arid areas.
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Affiliation(s)
| | - Zhanquan Yao
- College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot 010010, China; (L.W.); (H.L.); (H.G.); (Y.L.)
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Ping Y, Liu J, Wang L, Qiu H, Zhang Y. Research progress on the mechanism of TCM regulating intestinal microbiota in the treatment of DM mellitus. Front Endocrinol (Lausanne) 2024; 15:1308016. [PMID: 38601207 PMCID: PMC11004430 DOI: 10.3389/fendo.2024.1308016] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 03/12/2024] [Indexed: 04/12/2024] Open
Abstract
In recent years, with the improvement of people's living standards, the incidence of DM has increased year by year in China. DM is a common metabolic syndrome characterized by hyperglycemia caused by genetic, environmental and other factors. At the same time, long-term suffering from DM will also have an impact on the heart, blood vessels, eyes, kidneys and nerves, and associated serious diseases. The human body has a large and complex gut microbiota, which has a significant impact on the body's metabolism. Research shows that the occurrence and development of DM and its complications are closely related to intestinal microbiota. At present, western medicine generally treats DM with drugs. The hypoglycemic effect is fast and strong, but it can have a series of side effects on the human body. Compared with western medicine, Chinese medicine has its unique views and methods in treating DM. TCM can improve symptoms and treat complications by improving the imbalance of microbiota in patients with DM. Its characteristics of health, safety, and reliability are widely accepted by the general public. This article reviews the relationship between intestinal microbiota and DM, as well as the mechanism of TCM intervention in DM by regulating intestinal microbiota.
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Affiliation(s)
- Yang Ping
- College of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang, China
- Heilongjiang Pharmaceutical Research Institute, Jiamusi, Heilongjiang, China
| | - Jianing Liu
- College of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang, China
| | - Lihong Wang
- College of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang, China
| | - Hongbin Qiu
- College of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang, China
| | - Yu Zhang
- College of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang, China
- Heilongjiang Pharmaceutical Research Institute, Jiamusi, Heilongjiang, China
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Feng H, Zhang Z, Deng H, Li S, Zu X, Mei Z. Efficient degradation of organics by ultrasonic piezoelectric effect on CuO-BTO/AFC composite. Nanotechnology 2024; 35:245703. [PMID: 38387088 DOI: 10.1088/1361-6528/ad2c55] [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] [Received: 07/30/2023] [Accepted: 02/21/2024] [Indexed: 02/24/2024]
Abstract
The recombination of photoexcited electron-hole pairs greatly limits the degradation performance of photocatalysts. Ultrasonic cavitation and internal electric field induced by the piezoelectric effect are helpful for the separation of electron-hole pairs and degradation efficiency. The activated foam carbon (AFC) owing to its high surface area is often used as the substrate to grow catalysts to provide more reactive active sites. In this work, CuO@BaTiO3(CuO@BTO) heterostructure is prepared by hydrothermal method on the surface of AFC to investigate the ultrasonic piezoelectric catalysis effect. X-ray diffraction (XRD), Raman spectroscopy, energy dispersive x-ray spectroscopy (EDS) and scanning electron microscopy (SEM) were used to analyze the structure and morphology of CuO-BTO/AFC composite. It is found that the CuO-BTO/AFC composite exhibits excellent piezo-catalytic performance for the degradation of organics promoted by ultrasonic vibration. The CuO-BTO/AFC composite can decompose methyl orange and methylene blue with degradation efficiency as high as 93.9% and 97.6% within 25 min, respectively. The mechanism of piezoelectricity enhanced ultrasound supported catalysis effect of system CuO-BTO/AFC is discussed. The formed heterojunction structure between BTO and CuO promotes the separation of positive and negative charges caused by the piezoelectric effect.
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Affiliation(s)
- Haoyang Feng
- School of Mechatronic Engineering, Shenzhen Polytechnic, Shenzhen 518055, People's Republic of China
| | - Zhi Zhang
- CIMC Vehicle (Group) Co., Ltd, Shenzhen 518067, People's Republic of China
| | - Hongxiang Deng
- Yangtze Delta Region Institute (Huzhou) & School of Physics, University of Electronic Science and Technology of China, Huzhou 313001, People's Republic of China
| | - Sean Li
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia
| | - Xiaotao Zu
- Yangtze Delta Region Institute (Huzhou) & School of Physics, University of Electronic Science and Technology of China, Huzhou 313001, People's Republic of China
| | - Zongwei Mei
- Yangtze Delta Region Institute (Huzhou) & School of Physics, University of Electronic Science and Technology of China, Huzhou 313001, People's Republic of China
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Li Q, Zhou X, Yang R, Shen X, Li G, Zhang C, Li P, Li S, Xie J, Yang Y. Carbapenem-resistant Gram-negative bacteria (CR-GNB) in ICUs: resistance genes, therapeutics, and prevention - a comprehensive review. Front Public Health 2024; 12:1376513. [PMID: 38601497 PMCID: PMC11004409 DOI: 10.3389/fpubh.2024.1376513] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/20/2024] [Indexed: 04/12/2024] Open
Abstract
Intensive care units (ICUs) are specialized environments dedicated to the management of critically ill patients, who are particularly susceptible to drug-resistant bacteria. Among these, carbapenem-resistant Gram-negative bacteria (CR-GNB) pose a significant threat endangering the lives of ICU patients. Carbapenemase production is a key resistance mechanism in CR-GNB, with the transfer of resistance genes contributing to the extensive emergence of antimicrobial resistance (AMR). CR-GNB infections are widespread in ICUs, highlighting an urgent need for prevention and control measures to reduce mortality rates associated with CR-GNB transmission or infection. This review provides an overview of key aspects surrounding CR-GNB within ICUs. We examine the mechanisms of bacterial drug resistance, the resistance genes that frequently occur with CR-GNB infections in ICU, and the therapeutic options against carbapenemase genotypes. Additionally, we highlight crucial preventive measures to impede the transmission and spread of CR-GNB within ICUs, along with reviewing the advances made in the field of clinical predictive modeling research, which hold excellent potential for practical application.
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Affiliation(s)
- Qi Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoshi Zhou
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Rou Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoyan Shen
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Department of Pharmacy, Chengdu Qingbaijiang District People's Hospital, Chengdu, China
| | - Guolin Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Changji Zhang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Pengfei Li
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shiran Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Jingxian Xie
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Kong H, Han JJ, Dmitrii G, Zhang XA. Phytochemicals against Osteoarthritis by Inhibiting Apoptosis. Molecules 2024; 29:1487. [PMID: 38611766 PMCID: PMC11013217 DOI: 10.3390/molecules29071487] [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: 02/27/2024] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Osteoarthritis (OA) is a chronic joint disease that causes pathological changes in articular cartilage, synovial membrane, or subchondral bone. Conventional treatments for OA include surgical and non-surgical methods. Surgical treatment is suitable for patients in the terminal stage of OA. It is often the last choice because of the associated risks and high cost. Medication of OA mainly includes non-steroidal anti-inflammatory drugs, analgesics, hyaluronic acid, and cortico-steroid anti-inflammatory drugs. However, these drugs often have severe side effects and cannot meet the needs of patients. Therefore, safe and clinically appropriate long-term treatments for OA are urgently needed. Apoptosis is programmed cell death, which is a kind of physiologic cell suicide determined by heredity and conserved by evolution. Inhibition of apoptosis-related pathways has been found to prevent and treat a variety of diseases. Excessive apoptosis can destroy cartilage homeostasis and aggravate the pathological process of OA. Therefore, inhibition of apoptosis-related factors or signaling pathways has become an effective means to treat OA. Phytochemicals are active ingredients from plants, and it has been found that phytochemicals can play an important role in the prevention and treatment of OA by inhibiting apoptosis. We summarize preclinical and clinical studies of phytochemicals for the treatment of OA by inhibiting apoptosis. The results show that phytochemicals can treat OA by targeting apoptosis-related pathways. On the basis of improving some phytochemicals with low bioavailability, poor water solubility, and high toxicity by nanotechnology-based drug delivery systems, and at the same time undergoing strict clinical and pharmacological tests, phytochemicals can be used as a potential therapeutic drug for OA and may be applied in clinical settings.
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Affiliation(s)
- Hui Kong
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.K.); (J.-J.H.)
| | - Juan-Juan Han
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.K.); (J.-J.H.)
| | - Gorbachev Dmitrii
- General Hygiene Department, Samara State Medical University, Samara 443000, Russia;
| | - Xin-an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.K.); (J.-J.H.)
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Yu T, Zhang J, Liu G, Duan L, Tian KV, Chass GA, Mu W. Nickel-Catalyzed Three-Component Unsymmetrical Bis-Allylation of Alkynes with Alkenes: A Density Functional Theory Study. Molecules 2024; 29:1475. [PMID: 38611755 PMCID: PMC11012778 DOI: 10.3390/molecules29071475] [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: 03/04/2024] [Revised: 03/18/2024] [Accepted: 03/24/2024] [Indexed: 04/14/2024] Open
Abstract
Density functional theory (DFT) characterizations were employed to resolve the structural and energetic aspects and product selectivities along the mechanistic reaction paths of the nickel-catalyzed three-component unsymmetrical bis-allylation of alkynes with alkenes. Our putative mechanism initiated with the in situ generation of the active catalytic species [Ni(0)L2] (L = NHC) from its precursors [Ni(COD)2, NHC·HCl] to activate the alkyne and alkene substrates to form the final skipped trienes. This proceeds via the following five sequential steps: oxidative addition (OA), β-F elimination, ring-opening complexation, C-B cleavage and reductive elimination (RE). Both the OA and RE steps (with respective free energy barriers of 24.2 and 24.8 kcal·mol-1) contribute to the observed reaction rates, with the former being the selectivity-controlling step of the entire chemical transformation. Electrophilic/nucleophilic properties of selected substrates were accurately predicted through dual descriptors (based on Hirshfeld charges), with the chemo- and regio-selectivities being reasonably predicted and explained. Further distortion/interaction and interaction region indicator (IRI) analyses for key stationary points along reaction profiles indicate that the participation of the third component olefin (allylboronate) and tBuOK additive played a crucial role in facilitating the reaction and regenerating the active catalyst, ensuring smooth formation of the skipped triene product under a favorably low dosage of the Ni(COD)2 catalyst (5 mol%).
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Affiliation(s)
- Tao Yu
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, China
| | - Jingxuan Zhang
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, China
| | - Guo Liu
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, China
| | - Liangfei Duan
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, China
| | - Kun V. Tian
- Department of Chemistry and Pharmaceutical Technology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
- Mesoscale Engineering Halcyon S.R.L., 00154 Rome, Italy;
| | - Gregory A. Chass
- Mesoscale Engineering Halcyon S.R.L., 00154 Rome, Italy;
- School of Physical and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
| | - Weihua Mu
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, China
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Mohapatra S, Kumar PA, Aggarwal A, Iqubal A, Mirza MA, Iqbal Z. Phytotherapeutic approach for conquering menopausal syndrome and osteoporosis. Phytother Res 2024. [PMID: 38522005 DOI: 10.1002/ptr.8172] [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: 03/26/2023] [Revised: 02/06/2024] [Accepted: 02/11/2024] [Indexed: 03/25/2024]
Abstract
Women face a significant change in their reproductive health as menopause sets in. It is marred with numerous physiological changes that negatively impact their quality of life. This universal, transition phase is associated with menopausal and postmenopausal syndrome, which may spread over 2-10 years. This creates a depletion of female hormones causing physical, mental, sexual and social problems and may, later on, manifest as postmenopausal osteoporosis leading to weak bones, causing fractures and ultimately morbidity and mortality. Menopausal hormone therapy generally encompasses the correction of hormone balance through various pharmacological agents, but the associated side effects often lead to cessation of therapy with poor clinical outcomes. However, it has been noticed that phytotherapeutics is trusted by women for the amelioration of symptoms related to menopause and for improving bone health. This could primarily be due to their reduced side effects and lesser costs. This review attempts to bring forth the suitability of phytotherapeutics/herbals for the management of menopausal, postmenopausal syndrome, and menopausal osteoporosis through several published research. It tries to enlist the available botanicals with their key constituents and mechanism of action for mitigating symptoms associated with menopause as well as osteoporosis. It also includes a list of a few herbal commercial products available for these complications. The article also intends to collate the findings of various clinical trials and patents available in this field and provide a window for newer research avenues in this highly important yet ignored health segment.
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Affiliation(s)
- Sradhanjali Mohapatra
- Nanotechnology Lab, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, India
| | - P Ayash Kumar
- Sun Pharmaceutical Industries Limited, R&D Centre, Gurugram, India
| | - Akshay Aggarwal
- Sun Pharmaceutical Industries Limited, R&D Centre, Gurugram, India
| | - Ashif Iqubal
- Department of Pharmacology, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, India
| | - Mohd Aamir Mirza
- Nanotechnology Lab, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, India
| | - Zeenat Iqbal
- Nanotechnology Lab, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, India
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He LY, Niu SQ, Li Y, Fu JJ, Tang P, Liu SJ, Guo JL. Wild Cordyceps proteins reinforce intestinal epithelial barrier through MAPK/NF-κB pathway in MRL/lpr mice. J Pharm Pharmacol 2024:rgad118. [PMID: 38521537 DOI: 10.1093/jpp/rgad118] [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: 04/17/2023] [Accepted: 12/19/2023] [Indexed: 03/25/2024]
Abstract
OBJECTIVES The effects of wild Cordyceps proteins (WCPs) on the gut microbiota and the immune system of MRL/lpr mice were studied. METHODS The effects of WCP on serum metabolic indexes (total triglyceride, total cholesterol, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol) content was measured by a biochemical analyzer. CD4+, CD8+ cells, intestinal inflammation, and intestinal barrier function in MRL/lpr mice were measured by flow cytometry, 16S ribosomal RNA, western blot, and quantitative real-time polymerase chain reaction RT-PCR. KEY FINDINGS The results showed that after the intervention of WCP, the content of CD4+ cells in lupus mice increased, and the levels of proinflammatory cytokines were down-regulated, such as tumor necrosis factor-α and interleukin-6. Secondly, WCP up-regulated the proteins and mRNA levels of ZO-1, Claudin-1, and Occludin. Thirdly, it also increased the Firmicutes/Bacteroidetes ratio and the abundance of Oscillospirales, Lachnospirales, Lachnospiraceae, and Clostridia, as well as negatively regulated the MAPK/NF-кB signaling pathway in lupus nephritis (LN) mice. CONCLUSIONS These findings suggested that WCP may improve the symptoms of LN by altering immune factors and the intestinal barrier.
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Affiliation(s)
- Li-Ying He
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shu-Qi Niu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
| | - Yong Li
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jiao-Jiao Fu
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Pan Tang
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Si-Jing Liu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
| | - Jin-Lin Guo
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
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Wang Y, Guo S, Pei Z, Zhan S, Lin S, Ma K, Lei J, Yi J. Study of the Properties and Modification Mechanism of SBS-Modified Asphalt by Dry Process. Materials (Basel) 2024; 17:1454. [PMID: 38611970 PMCID: PMC11012519 DOI: 10.3390/ma17071454] [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] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/09/2024] [Accepted: 03/18/2024] [Indexed: 04/14/2024]
Abstract
SBS (styrene-butadiene-styrene block copolymer) is a thermoplastic elastomer with properties most similar to rubber. SBS asphalt modifier is mainly composed of a styrene-butadiene-styrene block copolymer with a certain amount of additives and stabilizers. SBS-modified asphalt binder has always been the most commonly used pavement material both domestically and internationally. However, conventional wet-process SBS-modified asphalt binder requires manufacturers to produce it in advance and transport it to a mixing plant for blending. This has provided an opportunity for unscrupulous businesses to reduce the amount of SBS by adding other substances, allowing inferior asphalt binder to pass inspections undetected. At the same time, conventional wet-process SBS-modified asphalt tends to undergo phase separation and experience a decline in performance as the storage time increases. However, dry-process SBS-modified asphalt can be directly added at the mixing plant, effectively addressing the issues associated with conventional wet-process SBS-modified asphalt. It also helps to reduce environmental pollution to a certain extent. This study investigates the extraction process of dry-process SBS-modified asphalt binder. It clarifies the performance and modification mechanisms of two types of dry-process SBS-modified asphalt binder at different dosages through various testing methods, including basic indicators, rheological properties, infrared spectroscopy, and fluorescence microscopy. The results indicate that due to the incorporation of oil, crosslinker, solubilizer, and other substances into dry-process SBS modifier, there is a small amount of chemical reaction with asphalt in the melting process. The high- and low-temperature properties and fatigue properties of the two dry-process SBS-modified asphalt binders at a 7% dosage are close to wet SBS-modified asphalt binder at a 5% dosage.
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Affiliation(s)
- Ying Wang
- School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China; (Y.W.); (K.M.); (J.L.)
| | - Shaohua Guo
- Liaoning Provincial Transportation Planning and Design Institute Co., Ltd., No. 42, Lidao Road, Heping District, Shenyang 110166, China; (S.G.); (S.Z.); (S.L.)
| | - Zhongshi Pei
- School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China; (Y.W.); (K.M.); (J.L.)
| | - Shizuo Zhan
- Liaoning Provincial Transportation Planning and Design Institute Co., Ltd., No. 42, Lidao Road, Heping District, Shenyang 110166, China; (S.G.); (S.Z.); (S.L.)
| | - Senlin Lin
- Liaoning Provincial Transportation Planning and Design Institute Co., Ltd., No. 42, Lidao Road, Heping District, Shenyang 110166, China; (S.G.); (S.Z.); (S.L.)
| | - Kezheng Ma
- School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China; (Y.W.); (K.M.); (J.L.)
| | - Junwen Lei
- School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China; (Y.W.); (K.M.); (J.L.)
| | - Junyan Yi
- School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China; (Y.W.); (K.M.); (J.L.)
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