1
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Xia W, Shi N, Li C, Tang A. RNA-Seq and miRNA-Seq data from Epstein-Barr virus-infected tree shrews reveal a ceRNA network contributing to immune microenvironment regulation. Virulence 2024; 15:2306795. [PMID: 38251668 PMCID: PMC10826628 DOI: 10.1080/21505594.2024.2306795] [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: 10/23/2023] [Accepted: 01/12/2024] [Indexed: 01/23/2024] Open
Abstract
Epstein-Barr virus (EBV) infection in humans is ubiquitous and associated with various diseases. Remodeling of the immune microenvironment is the primary cause of EBV infection and pathogenesis; however, the underlying mechanism has not been fully elucidated. In this study, we used whole-transcriptome RNA-Seq to detect mRNAs, long non-coding RNAs (lncRNA), and microRNA (miRNA) profiles in the control group, 3 days, and 28 days after EBV infection, based on the tree shrew model that we reported previously. First, we estimated the proportion of 22 cell types in each sample using CIBERSORT software and identified 18 high-confidence DElncRNAs related to immune microenvironment regulation after EBV infection. Functional enrichment analysis of these differentially expressed lncRNAs primarily focused on the autophagy, endocytosis, and ferroptosis signalling pathways. Moreover, EBV infection affects miRNA expression patterns, and many miRNAs are silenced. Finally, three competing endogenous RNA regulatory networks were built using lncRNAs that significantly correlated with immune cell types, miRNAs that responded to EBV infection, and potentially targeted the mRNA of the miRNAs. Among them, MRPL42-AS-5 might act as an hsa-miR-296-5p "sponge" and compete with target mRNAs, thus increasing mRNA expression level, which could induce immune cell infiltration through the cellular senescence signalling pathway against EBV infection. Overall, we conducted a complete transcriptomic analysis of EBV infection in vivo for the first time and provided a novel perspective for further investigation of EBV-host interactions.
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Affiliation(s)
- Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Nan Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Chaoqian Li
- Department of Emergency, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Anzhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
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2
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Yang Y, Zhou T, Cheng M, Xie M, Shi N, Liu T, Huang Z, Zhao Y, Huang Q, Liu Z, Li B. Recent advances in organic waste pyrolysis and gasification in a CO 2 environment to value-added products. J Environ Manage 2024; 356:120666. [PMID: 38490005 DOI: 10.1016/j.jenvman.2024.120666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/04/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024]
Abstract
The persistent combustion of fossil fuels has resulted in a widespread greenhouse effect attributable to the continual elevation of carbon dioxide (CO2) levels in the atmosphere. Recent research indicates that utilizing CO2 as a pyrolysis gasification medium diminishes CO2 emissions and concurrently augments the value of the resultant pyrolysis gasification products. This paper reviews recent advancements in the pyrolysis gasification of organic solid wastes under a CO2 atmosphere. Meanwhile, the mechanisms of CO2 influence in the pyrolysis and gasification processes were also discussed. In comparison to noble gases, CO2 exhibits reactivity with char at≥710 °C, resulting in additional mass loss of the sample. In addition, CO2 was able to increase the specific surface area and stability of biochar and reduce biooil toxicity by lowering the content of cyclic compounds in the biooil, while CO2 was able to react with GPRs with some volatile products (e.g., light hydrocarbons) to increase biogas yield. Finally, CO2 also prevents catalyst deactivation by reducing secondary coke formation. We also recommend directing future attention toward utilizing unpurified CO2 in pyrolysis and gasification. This review aims to expand the utilization of CO2 and advocate for applying pyrolysis gasification products.
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Affiliation(s)
- Yanyu Yang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Tao Zhou
- The State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
| | - Mingqian Cheng
- Yunnan Land Resources Vocational College, Kunming 652501, China.
| | - Ming Xie
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Nan Shi
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Tingting Liu
- State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Zechun Huang
- State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Youcai Zhao
- The State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
| | - Qifei Huang
- State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Zewei Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Bin Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
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Xuan H, Shi N, Chen J, Jiang Y, Zhang H, Chu C, Li S, Chen X, Yang H. Physical coupling of H3K4me3 demethylases and Polycomb repressive complex 2 to accelerate flowering in rice. Plant Physiol 2024:kiae172. [PMID: 38518249 DOI: 10.1093/plphys/kiae172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 03/24/2024]
Abstract
Two H3K4me3 demethylases physically interact with the Polycomb repressive complex 2, thereby altering methylation of a key flowering locus and promoting rice flowering.
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Affiliation(s)
- Hua Xuan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Nan Shi
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Jianhao Chen
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Yili Jiang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Hao Zhang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Chuanliang Chu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Shaoqing Li
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Xiangsong Chen
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Hongchun Yang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
- RNA Institute, Wuhan University, Wuhan, 430072, China
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4
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Qian W, Yang Y, Liu Z, Zhang J, Song X, Shi N, Xie M, Li B, Ning P. Enhanced absorption of SO 2 from phosphogypsum decomposition by phosphate slurry for phosphoric acid production. J Hazard Mater 2024; 465:133431. [PMID: 38185091 DOI: 10.1016/j.jhazmat.2024.133431] [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: 10/16/2023] [Revised: 12/21/2023] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
Phosphogypsum (PG) is a major industrial by-product of wet process phosphoric acid production, and untreated PG stockpiled on land will cause severe environmental pollution. Thermal treatment of PG is currently the mainstream treatment method PG can be thermally decomposed to produce CaO, and the decomposition process produces large amounts of SO2. In this paper, phosphate slurry was used to absorb SO2 generated during the PG decomposition to produce phosphoric acid. The effects of operating conditions such as pressure, inlet SO2 concentration, and additive content on the desulfurization efficiency, as well as phosphoric acid yield, were investigated. Under the optimal experimental parameters, the desulfurization efficiency was 100% in the first 3 h, and decreased to 67.42% after 5 h, the maximum phosphate concentration in the solution was 1445.92 mg/L. The Density functional theory (DFT) calculations showed that SO2 and O2 adsorbed on the surface of P2O5 underwent to generate SO3, which can react with H2O to produce H2SO4. Moreover, it was found that Fe3+ could enhance the catalytic oxidation process of SO2 and O2 by decreasing the reaction energy barrier. This study should be helpful for the recycling of phosphorus resources.
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Affiliation(s)
- Wenmin Qian
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; Yunnan Appraisal Center for Ecological and Environmental Engineering, Kunming 650228, China
| | - Yanyu Yang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Zewei Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Jin Zhang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Xin Song
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Nan Shi
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Ming Xie
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Bin Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Ping Ning
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
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5
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Shen C, Zhan C, Tong Z, Yin H, Hui J, Qiu S, Li Q, Xu X, Ma H, Wu Z, Shi N, Mao H. Detecting EGFR gene amplification using a fluorescence in situ hybridization platform based on digital microfluidics. Talanta 2024; 269:125444. [PMID: 38042143 DOI: 10.1016/j.talanta.2023.125444] [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: 09/12/2023] [Revised: 11/16/2023] [Accepted: 11/18/2023] [Indexed: 12/04/2023]
Abstract
Signal transduction mediated by epidermal growth factor receptor (EGFR) gene affects the proliferation, invasion, metastasis, and angiogenesis of tumor cells. In particular, non-small cell lung cancer (NSCLC) patients with increased in copy number of EGFR gene are often sensitive to tyrosine kinase inhibitors. Despite being the standard for detecting EGFR amplification in the clinic, fluorescence in situ hybridization (FISH) traditionally involves repetitive and complex benchtop procedures that are not only time consuming but also require well-trained personnel. To address these limitations, we develop a digital microfluidics-based FISH platform (DMF-FISH) that automatically implements FISH operations. This system mainly consists of a DMF chip for reagent operation, a heating array for temperature control and a signal processing system. With the capability of automatic droplet handling and efficient temperature control, DMF-FISH performs cell digestion, gradient elution, hybridization and DAPI staining without manual intervention. In addition to operational feasibility, DMF-FISH yields comparable performance with the benchtop FISH protocol but reducing the consumption of DNA probe by 87 % when tested with cell lines and clinical samples. These results highlight unique advantages of the fully automated DMF-FISH system and thus suggest its great potential for clinical diagnosis and personalized therapy of NSCLC.
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Affiliation(s)
- Chuanjie Shen
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200030, China
| | - Zhaoduo Tong
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hao Yin
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jianan Hui
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Shihui Qiu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiushi Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Xin Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Hui Ma
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Zhenhua Wu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Nan Shi
- Suzhou Inst Nanotech & Nanob, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Hongju Mao
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.
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6
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Wang L, Zhang Q, Shi N, Wang J, Song S, Yang H, Chen X. Case report: Synchronous tumors of the female reproductive tract in systemic lupus erythematosus: report of two cases and review of the literature. Front Oncol 2024; 14:1322598. [PMID: 38450194 PMCID: PMC10915755 DOI: 10.3389/fonc.2024.1322598] [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: 10/16/2023] [Accepted: 01/08/2024] [Indexed: 03/08/2024] Open
Abstract
Background Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that affects multiple systems. Patients with SLE are prone to a variety of malignancies, especially neoplasms of the female reproductive tract. Synchronous tumors, considered to involve multiple sites, are rare in the female reproductive tract. There are hardly any reports of SLE with synchronous reproductive tract tumors. Case presentation We report the occurrence of two to three reproductive tract tumors in two women with SLE. A 52-year-old woman was diagnosed with vulvar cancer and cervical cancer. Another woman, aged 67, was diagnosed with concurrent vulvar cancer, vaginal cancer, and cervical cancer and also presented with a suspected lung cancer. Conclusion The presence of synchronous tumors of the reproductive tract in patients with SLE is uncommon and can be easily disregarded. It is crucial to highlight that SLE patients with multiple primary malignancies exhibit notable late-stage presentation at the time of diagnosis, inadequate disease-free survival, poor overall survival, rapid progression rates, and mortality. Consequently, greater awareness must be raised regarding synchronous reproductive tract tumors in patients with SLE. Regular comprehensive cancer screening and management should be implemented for individuals diagnosed with SLE.
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Affiliation(s)
- Ling Wang
- Department of TCM Gynecology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Qin Zhang
- Department of TCM Gynecology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Nan Shi
- Department of TCM Gynecology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Jiaxi Wang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Shuang Song
- Department of Pathology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Huadi Yang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Xingbei Chen
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
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7
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Song J, Zheng C, Qiu M, Zhan XP, Zhang Z, Zhang H, Shi N, Zhang L, Yu Y, Nicolaisen M, Xu L, Fang H. Mechanisms Underlying the Overlooked Chiral Fungicide-Driven Enantioselective Proliferation of Antibiotic Resistance in Earthworm Intestinal Microbiome. Environ Sci Technol 2024; 58:2931-2943. [PMID: 38306257 DOI: 10.1021/acs.est.3c07761] [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: 02/04/2024]
Abstract
From a "One Health" perspective, the global threat of antibiotic resistance genes (ARGs) is associated with modern agriculture practices including agrochemicals application. Chiral fungicides account for a considerable proportion of wildly used agrochemicals; however, whether and how their enantiomers lead to differential proliferation of antibiotic resistance in agricultural environments remain overlooked. Focused on the soil-earthworm ecosystem, we for the first time deciphered the mechanisms underlying the enantioselective proliferation of antibiotic resistance driven by the enantiomers of a typical chiral fungicide mandipropamid (i.e., R-MDP and S-MDP) utilizing a multiomic approach. Time-series metagenomic analysis revealed that R-MDP led to a significant enhancement of ARGs with potential mobility (particularly the plasmid-borne ARGs) in the earthworm intestinal microbiome. We further demonstrated that R-MDP induced a concentration-dependent facilitation of plasmid-mediated ARG transfer among microbes. In addition, transcriptomic analysis with verification identified the key aspects involved, where R-MDP enhanced cell membrane permeability, transfer ability, biofilm formation and quorum sensing, rebalanced energy production, and decreased cell mobility versus S-MDP. Overall, the findings provide novel insights into the enantioselective disruption of microbiome and resistome in earthworm gut by chiral fungicides and offer significant contributions to the comprehensive risk assessment of chiral agrochemicals in agroecosystems.
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Affiliation(s)
- Jiajin Song
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Conglai Zheng
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Mengting Qiu
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Xiu-Ping Zhan
- Shanghai Agricultural Technology Extension and Service Center, Shanghai 201103, China
| | - Zihan Zhang
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Houpu Zhang
- College of Resources and Environment, Anhui Agricultural University, Anhui Provincial Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China
| | - Nan Shi
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, California 92697, United States
| | - Luqing Zhang
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Yunlong Yu
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Mogens Nicolaisen
- Department of Agroecology, Faculty of Technical Sciences, Aarhus University, Slagelse 4200, Denmark
| | - Lihui Xu
- Institute of Eco-Environmental Protection, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Hua Fang
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
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Chen Y, Shi N, Lei X, Ren P, Lan L, Chen L, Wang Y, Xu Y, Lin Y, Chen J, Han F. The efficacy of rituximab plus belimumab or telitacicept in refractory lupus nephritis. Rheumatology (Oxford) 2023:kead674. [PMID: 38145455 DOI: 10.1093/rheumatology/kead674] [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: 08/12/2023] [Accepted: 11/22/2023] [Indexed: 12/26/2023] Open
Abstract
OBJECTIVE Lupus nephritis is a severe and common complication of systemic lupus erythematosus (SLE). The pathogenesis of lupus nephritis is characterized by B-cell activation and autoantibody formation. Rituximab and belimumab, as well as telitacicept, target B cells through different mechanisms, potentially exerting a synergistic effect in the treatment of lupus nephritis. This study aims to investigate the efficacy and safety of treatment with rituximab followed by belimumab or telitacicept in the management of refractory lupus nephritis. METHODS We conducted a single-center, open-label, retrospective study, including 25 patients with refractory lupus nephritis. All patients received combination therapy with rituximab in individualized dosages to achieve peripheral B-cell depletion, and then followed by belimumab or telitacicept. The follow-up period was at least 12 months, and the primary end point was renal remission rate at the last follow-up. RESULTS During a median follow-up of 19 (13, 29) months, 20 of 25 (80%) patients achieved objective remission (OR), including 19 (76%) patients achieved complete renal response (CRR). After rituximab (712 ± 416mg in average), 18 patients received belimumab and seven patients received telitacicept. In the rituximab plus telitacicept group, all patients achieved CRR; while in the rituximab plus belimumab group, 12 (66.7%) patients achieved CRR and 13 (72.2%) patients achieved OR. The mean SLEDAI-2K score decreased from 15 ± 6 to 6 ± 6, representing an average reduction of 60%. At the last follow-up, 18/25 (72%) had prednisone ≤ 5 mg/d or even discontinued prednisone use. Adverse effects were mainly immunoglobulin deficiency, respiratory tract infection, urinary tract infections, and rash. No death occurred. CONCLUSIONS Rituximab followed by belimumab or telitacicept may be effective in inducing remission in refractory lupus nephritis, with tolerable adverse effects.
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Affiliation(s)
- Yiting Chen
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Nan Shi
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Xin Lei
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Pingping Ren
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Lan Lan
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Liangliang Chen
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Yaomin Wang
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Ying Xu
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Yuxin Lin
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianghua Chen
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Fei Han
- Kidney Disease Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang Province, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
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Shi N, Chen H, Lai Y, Luo Z, Huang Z, He G, Yi X, Xia W, Tang A. Cyclosporine A induces Epstein-Barr virus reactivation in tree shrew (Tupaia belangeri chinensis) model. Microbes Infect 2023; 25:105212. [PMID: 37633512 DOI: 10.1016/j.micinf.2023.105212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
Epstein-Barr virus (EBV) usually exists as a latent infection in immunocompetent hosts but immunosuppressed individuals are at risk for developing EBV reactivation that leads to the uncontrolled proliferation of B lymphocytes. In this study, we have mimicked the immunosuppressed microenvironment in the tree shrew model of EBV infection by using cyclosporine A (CsA). The results showed that EBV-cocultured peripheral blood mononuclear cells (PBMCs) proliferated vigorously in response to CsA treatment in vitro. However, EBV susceptibility in vivo depended on the timing of CsA administration. Reactivation of EBV occurred in the latently EBV-infected tree shrews after treatment with 25 mg/kg/day CsA (EBV > CsA group), whereas tree shrews were no longer susceptible to infection if CsA was administered for five weeks before EBV injection (CsA > EBV group). RNA-seq analysis of both groups identified a further link between immunosuppression and EBV infection. KEGG pathway enrichment analysis revealed a significant enrichment of viral infection-related pathways in the EBV > CsA group, whereas tumor-related pathways were significantly enriched in the CsA > EBV group. A protein-protein interaction network was constructed using Cytoscape for the purpose of identifying hub genes that were then verified using qRT-PCR. In conclusion, the tree shrew model of EBV infection exhibits certain features of EBV infection in humans and serves as a valuable platform for exploring the underlying mechanisms of EBV infection.
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Affiliation(s)
- Nan Shi
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Honglin Chen
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Yongjing Lai
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Zhenqiu Luo
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Zongjian Huang
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Guangyao He
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Xiang Yi
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China
| | - Wei Xia
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China.
| | - Anzhou Tang
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning 530000, China; Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, China.
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Mahmut Z, Zhang C, Ruan F, Shi N, Zhang X, Wang Y, Zheng X, Tang Z, Dong B, Gao D, Sun J. Medical Applications and Advancement of Near Infrared Photosensitive Indocyanine Green Molecules. Molecules 2023; 28:6085. [PMID: 37630337 PMCID: PMC10459369 DOI: 10.3390/molecules28166085] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/30/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
Indocyanine green (ICG) is an important kind of near infrared (NIR) photosensitive molecules for PTT/PDT therapy as well as imaging. When exposed to NIR light, ICG can produce reactive oxygen species (ROS), which can kill cancer cells and pathogenic bacteria. Moreover, the absorbed light can also be converted into heat by ICG molecules to eliminate cancer cells. In addition, it performs exceptionally well in optical imaging-guided tumor therapy and antimicrobial therapy due to its deeper tissue penetration and low photobleaching properties in the near-infrared region compared to other dyes. In order to solve the problems of water and optical stability and multi-function problem of ICG molecules, composite nanomaterials based on ICG have been designed and widely used, especially in the fields of tumors and sterilization. So far, ICG molecules and their composite materials have become one of the most famous infrared sensitive materials. However, there have been no corresponding review articles focused on ICG molecules. In this review, the molecular structure and properties of ICG, composite material design, and near-infrared light- triggered anti-tumor, and antibacterial, and clinical applications are reviewed in detail, which of great significance for related research.
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Affiliation(s)
- Zulpya Mahmut
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
| | - Chunmei Zhang
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
| | - Fei Ruan
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China; (F.R.); (Z.T.)
| | - Nan Shi
- Department of Respiratory Medicine, No. 964 Hospital of People’s Liberation Army, 4799 Xi’an Road, Changchun 130062, China;
| | - Xinyao Zhang
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
| | - Yuda Wang
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
| | - Xianhong Zheng
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
| | - Zixin Tang
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China; (F.R.); (Z.T.)
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China; (F.R.); (Z.T.)
| | - Donghui Gao
- Department of Anesthesiology and Operating Room, School and Hospital of Stomatology, Jilin University, Changchun 130012, China
| | - Jiao Sun
- Department of Cell Biology and Medical Genetics, College of Basic Medical Science, Jilin University, Changchun 130021, China; (Z.M.); (C.Z.); (X.Z.); (Y.W.); (X.Z.)
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11
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Xia W, Liu L, Shi N, Zhang C, Tang A, He G. Epstein Barr virus infection in tree shrews alters the composition of gut microbiota and metabolome profile. Virol J 2023; 20:177. [PMID: 37553712 PMCID: PMC10410904 DOI: 10.1186/s12985-023-02147-3] [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: 05/05/2023] [Accepted: 07/30/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND Epstein-Barr virus (EBV) infection is a major global threat; its manifestations range from the absence of symptoms to multiorgan malignancies and various gastrointestinal diseases. Analyzing the composition and metabolomic profile of gut microbiota during acute EBV infection might be instrumental in understanding and controlling EBV. METHODS Six tree shrews were inoculated with EBV by intravenous injection. Blood was collected at regular intervals thereafter from the femoral vein to detect EBV and inflammatory biomarker. At the same time, tree shrew faeces were collected for 16 S rRNA gene sequencing and Non-targeted metabolomics analysis. RESULTS 16 S rRNA gene characterization along with β diversity analysis exhibited remarkable alterations in gut microflora structure with a peak at 7 days post-infection(dpi). Some alterations in the relative richness of bacterial taxon were linked to infectious indicators. Of note, Butyricicoccus relative richness was positively linked to EBV presence in the blood and plasma, the opposite correlation was seen with Variovorax and Paramuribaculum. Non-targeted metabolomics indicated the fecal metabolome profile altered during EBV infection, particularly 7 dpi. The relative abundance of geranic acid and undecylenic acid in stool samples was positively linked to systemic inflammatory biomarkers, and an inverse relationship was reported with the estrone glucuronide, linoleic acid, protoporphyrin IX and tyramine. CONCLUSION Collectively, EBV infection in this model correlated with changes in the composition and metabolome profile of the gut microbiota.
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Affiliation(s)
- Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China
| | - Lei Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China
| | - Nan Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China
| | - Chaoyin Zhang
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China
| | - Anzhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China.
| | - Guangyao He
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Gaungxi Medical University, Ministry of Education, Nanning, Guangxi, China.
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12
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Wang S, Song Y, Shi N, Yin D, Kang J, Cai W, Duan J. Characteristics, Outcomes, and Clinical Indicators of Bloodstream Infections in Neutropenic Patients with Hematological Malignancies: A 7-Year Retrospective Study. Infect Drug Resist 2023; 16:4471-4487. [PMID: 37449245 PMCID: PMC10337688 DOI: 10.2147/idr.s413454] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023] Open
Abstract
Purpose The aim of this study was to investigate the current epidemiology, its changes during the study years, and inflammatory biomarkers of bacterial bloodstream infections (BSIs) in neutropenic patients with hematological malignancies. We assessed mortality risk factors and multidrug-resistant (MDR) gram-negative BSI predictors. Patients and Methods We conducted a retrospective study from January 2015 to December 2021, which included adult neutropenic oncohematological patients with confirmed BSIs. We used univariable and multivariable analyses to analyze the risk factors. Each index's reliability for bacterial BSI diagnosis was assessed using the receiver-operating characteristic curve and area under the curve. Results A total of 514 isolates were obtained from the 452 patients. The average mortality was 17.71%. Gram-negative organisms were the predominant causes of BSI. Escherichia coli was the most common microorganism (49.90%). The overall variation trend of the isolation rate of MDR and carbapenem-resistant gram-negative bacteria increased. Multivariate analysis indicated that: 1) neutropenia that lasted for more than 7 days, patients ≥ 60 years of age, septic shock, hospitalization for >20 days, BSI with a carbapenem-resistant strain, and treatment with linezolid or vancomycin in infections lasting less than 30 days were independent mortality risk factors; 2) severe neutropenia exceeding 7 days, unreasonable empirical therapy, and receipt of aminoglycosides or 3rd or 4th generation cephalosporins in infections lasting less than 30 days were independent risk factors of MDR gram-negative bacteria. Procalcitonin, absolute neutrophil count, and white blood cell indicate higher diagnostic accuracy for BSIs. Moreover, bacteria time to detection was better at differentiating Gram-negative and Gram-positive bacterial infections. Conclusion We analyzed the risk factors for BSI neutropenic patients with hematological malignancies, the distribution of bacteria, antibiotic resistance, and the changes in clinical parameters. This single-center retrospective study may provide clinicians with novel insights into the diagnosis and treatment of BSI to improve future clinical outcomes.
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Affiliation(s)
- Shuyun Wang
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Yan Song
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Nan Shi
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
- Department of Pharmacy, School of Pharmacy, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Donghong Yin
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jianbang Kang
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Wanni Cai
- Department of Pharmacy, School of Pharmacy, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jinju Duan
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
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Xie K, Mo Y, Yue E, Shi N, Liu K. Exosomes derived from M2-type microglia ameliorate oxygen-glucose deprivation/reoxygenation-induced HT22 cell injury by regulating miR-124-3p/NCOA4-mediated ferroptosis. Heliyon 2023; 9:e17592. [PMID: 37424595 PMCID: PMC10328844 DOI: 10.1016/j.heliyon.2023.e17592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/11/2023] Open
Abstract
Background Although it has been reported that miRNA carried by M2 microglial exosomes protects neurons from ischemia-reperfusion brain injury, the mechanism of action remains poorly understood. This study aimed to explore the miRNA signaling pathway by which M2-type microglia-derived exosomes (M2-exosomes) ameliorate oxygen-glucose deprivation/reoxygenation (OGD/R)-induced cytotoxicity in HT22 cells. Methods BV2 microglia were induced by M2 polarization. Then, M2-exosomes were identified via transmission electron microscopy and special biomarker detection and co-cultured with HT22 cells. Cell proliferation was evaluated using the Cell Counting Kit-8 (CCK-8) assay. Intracellular concentrations of reactive oxygen species (ROS), Fe2+, glutathione (GSH), and malondialdehyde (MDA) were determined using dichlorofluorescein fluorescence and biochemical determination. miR-124-3p levels were determined using qRT-PCR, and protein expressions were examined via western blotting. Results OGD/R suppressed the proliferation and induced the accumulation of Fe2+, ROS, and MDA and reduction of GSH in mouse HT22 cells, suggesting ferroptosis of HT22 cells. OGD/R-induced changes in the above mentioned indexes was ameliorated by M2-exosomes but restored by the exosome inhibitor GW4869. M2-exosomes with (mimic-exo) or without miR-124-3p (inhibitor-exo) promoted and suppressed proliferation and ferroptosis-associated indexes of HT22 cells, respectively. Moreover, mimic-exo and inhibitor-exo inhibited and enhanced NCOA4 expression in HT22 cells, respectively. NCOA4 overexpression reversed the protective effects of miR-124-3p mimic-exo in OGD/R-conditioned cells. NCOA4 was targeted and regulated by miR-124-3p. Conclusions M2-exosome protects HT22 cells against OGD/R-induced ferroptosis injury by transferring miR-124-3p and NCOA4 into HT22 cells, with the latter being a target gene for miR-124-3p.
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Affiliation(s)
- Ke Xie
- Department of Neurology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, No. 1500 Zhouyuan Road, Pudong New District, Shanghai, 201318, China
| | - Yun Mo
- Department of Neurology, Guizhou Medical University, China
| | - Erli Yue
- Department of Neurology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, No. 1500 Zhouyuan Road, Pudong New District, Shanghai, 201318, China
| | - Nan Shi
- Department of Neurology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, No. 1500 Zhouyuan Road, Pudong New District, Shanghai, 201318, China
| | - Kangyong Liu
- Department of Neurology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, No. 1500 Zhouyuan Road, Pudong New District, Shanghai, 201318, China
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Feng X, Guo S, Wen F, Zhu W, Yang X, Gu M, Shi N, Li Z, Lou B, Liu D. New insight into desorption behavior and mechanism of oil from aged oil-contaminated soil in microemulsion. J Hazard Mater 2023; 451:131108. [PMID: 36913749 DOI: 10.1016/j.jhazmat.2023.131108] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/21/2023] [Accepted: 02/26/2023] [Indexed: 06/18/2023]
Abstract
The intractable nature of oil-contaminated soil (OS) constitutes the chief limiting factor for its remediation. Herein, the aging effect (i.e., oil-soil interactions and pore-scale effect) was investigated by analyzing the properties of aged OS and further demonstrated by investigating the desorption behavior of the oil from the OS. XPS was performed to detect the chemical environment of N, O, and Al, indicating the coordination adsorption of carbonyl groups (oil) on the soil surface. Alterations in the functional groups of the OS were detected using FT-IR, indicating that the oil-soil interactions were enhanced via wind-thermal aging. SEM and BET were used to analyze the structural morphology and pore-scale of the OS. The analysis revealed that aging promoted the development of the pore-scale effect in the OS. Moreover, the desorption behavior of oil molecules from the aged OS was investigated via desorption thermodynamics and kinetics. The desorption mechanism of the OS was elucidated via intraparticle diffusion kinetics. The desorption process of oil molecules underwent three stages: film diffusion, intraparticle diffusion, and surface desorption. Owing to the aging effect, the latter two stages constituted the major steps for controlling oil desorption. This mechanism provided theoretical guidance to apply microemulsion elution for remedying industrial OS.
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Affiliation(s)
- Xiaoning Feng
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China
| | - Shuhai Guo
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110011, China
| | - Fushan Wen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China
| | - Wei Zhu
- Sinopec Petroleum Engineering Co., Ltd., Dongying 257026, China
| | - Xiujie Yang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China.
| | - Meixia Gu
- Sinopec Petroleum Engineering Co., Ltd., Dongying 257026, China
| | - Nan Shi
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China.
| | - Zhiheng Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China
| | - Bin Lou
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China
| | - Dong Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266555, China.
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Xia S, Li JD, Yan SB, Huang ZG, Liu ZS, Jing SW, Li DZ, Song C, Chen Y, Wang LT, Zhou YH, Huang R, Shi N, Lan SY, Chen G, Fan XH. Clinicopathological value of hematopoietic cell kinase overexpression in laryngeal squamous cell carcinoma tissues. Pathol Res Pract 2023; 247:154534. [PMID: 37201466 DOI: 10.1016/j.prp.2023.154534] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/26/2023] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
Laryngeal squamous cell carcinoma (LSCC) is the most lethal cancer in head and neck tumors. Although hematopoietic cell kinase (HCK) has been proven to be an oncogene in several solid tumors, its roles in LSCC remain obscure. This is the first study to evaluate the clinical value of HCK in LSCC, with the aim of exploring its expression status and potential molecular mechanisms underlying LSCC. LSCC tissue-derived gene chips and RNA-seq data were collected for a quantitive integration of HCK mRNA expression level. To confirm the protein expression level of HCK, a total of 82 LSCC tissue specimens and 56 non-tumor laryngeal epithelial controls were collected for in-house tissue microarrays and immunohistochemical staining. Kaplan-Meier curves were generated to determine the ability of HCK in predicting overall survival, progress-free survival, and disease-free survival of LSCC patients. LSCC overexpressed genes and HCK co-expressed genes were intersected to preliminarily explore the enriched signaling pathways of HCK. It was noticed that HCK mRNA was markedly overexpressed in 323 LSCC tissues compared with 196 non-LSCC controls (standardized mean difference = 0.81, p < 0.0001). Upregulated HCK mRNA displayed a moderate discriminatory ability between LSCC tissues and non-tumor laryngeal epithelial controls (area under the curve = 0.78, sensitivity = 0.76, specificity = 0.68). The higher expression level of HCK mRNA could predict worse overall survival and disease-free survival for LSCC patients (p = 0.041 and p = 0.013). Lastly, upregulated co-expression genes of HCK were significantly enriched in leukocyte cell-cell adhesion, secretory granule membrane, and extracellular matrix structural constituent. Immune-related pathways were the predominantly activated signals, such as cytokine-cytokine receptor interaction, Th17 cell differentiation, and Toll-like receptor signaling pathway. In conclusion, HCK was upregulated in LSCC tissues and could be utilized as a risk predictor. HCK may promote the development of LSCC by disturbing immune signaling pathways.
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Affiliation(s)
- Shuang Xia
- Department of Human Anatomy, Guangxi Medical University, 22 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Jian-Di Li
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Shi-Bai Yan
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Zhi-Guang Huang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Zhi-Su Liu
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Shu-Wen Jing
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Da-Zhi Li
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Chang Song
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Yi Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Li-Ting Wang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Yu-Hong Zhou
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Rong Huang
- Department of Human Anatomy, Guangxi Medical University, 22 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Nan Shi
- Department of Otorhinolaryngology-Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Song-Yao Lan
- Department of Human Anatomy, Guangxi Medical University, 22 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China
| | - Xiao-Hui Fan
- Department of Immunology and Microbiology, Guangxi Medical University, 22 Shuangyong Road, Nanning, Guangxi, Zhuang Autonomous Region 530021, PR China.
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Song J, Zhang H, Wu Z, Qiu M, Zhan X, Zheng C, Shi N, Zhang Q, Zhang L, Yu Y, Fang H. A novel bidirectional regulation mechanism of mancozeb on the dissemination of antibiotic resistance. J Hazard Mater 2023; 455:131559. [PMID: 37163893 DOI: 10.1016/j.jhazmat.2023.131559] [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: 02/17/2023] [Revised: 04/06/2023] [Accepted: 05/01/2023] [Indexed: 05/12/2023]
Abstract
The high abundance of antibiotic resistance genes (ARGs) in the fungicide residual environment, posing a threat to the environment and human health, raises the question of whether and how fungicide promotes the prevalence and dissemination of antibiotic resistance. Here, we reported a novel mechanism underlying bidirectional regulation of a typical heavy-metal-containing fungicide mancozeb on the horizontal transfer of ARGs. Our findings revealed that mancozeb exposure significantly exerted oxidative and osmotic stress on the microbes and facilitated plasmid-mediated ARGs transfer, but its metallic portions (Mn and Zn) were potentially utilized as essential ions by microbes for metalating enzymes to deal with cellular stress and thus reduce the transfer. The results of transcriptome analysis with RT-qPCR confirmed that the expression levels of cellular stress responses and conjugation related genes were drastically altered. It can be concluded mancozeb bidirectionally regulated the ARGs dissemination which may be attributed to the diverse effects on the microbes by its different portions. This novel mechanism provides an updated understanding of neglected fungicide-triggered ARGs dissemination and crucial insight for comprehensive risk assessment of fungicides.
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Affiliation(s)
- Jiajin Song
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Houpu Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei 230036, China
| | - Zishan Wu
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Mengting Qiu
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Xiuping Zhan
- Shanghai Agricultural Technology Extension Service Center, Shanghai 201103, China
| | - Conglai Zheng
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Nan Shi
- Department of Developmental and Cell Biology, University of California, Irvine, CA 92697, United States
| | - Qianke Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture, Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture, Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture, Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China.
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Ma X, Guo G, Wu X, Wu Q, Liu F, Zhang H, Shi N, Guan Y. Advances in Integration, Wearable Applications, and Artificial Intelligence of Biomedical Microfluidics Systems. Micromachines (Basel) 2023; 14:mi14050972. [PMID: 37241596 DOI: 10.3390/mi14050972] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/20/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023]
Abstract
Microfluidics attracts much attention due to its multiple advantages such as high throughput, rapid analysis, low sample volume, and high sensitivity. Microfluidics has profoundly influenced many fields including chemistry, biology, medicine, information technology, and other disciplines. However, some stumbling stones (miniaturization, integration, and intelligence) strain the development of industrialization and commercialization of microchips. The miniaturization of microfluidics means fewer samples and reagents, shorter times to results, and less footprint space consumption, enabling a high throughput and parallelism of sample analysis. Additionally, micro-size channels tend to produce laminar flow, which probably permits some creative applications that are not accessible to traditional fluid-processing platforms. The reasonable integration of biomedical/physical biosensors, semiconductor microelectronics, communications, and other cutting-edge technologies should greatly expand the applications of current microfluidic devices and help develop the next generation of lab-on-a-chip (LOC). At the same time, the evolution of artificial intelligence also gives another strong impetus to the rapid development of microfluidics. Biomedical applications based on microfluidics normally bring a large amount of complex data, so it is a big challenge for researchers and technicians to analyze those huge and complicated data accurately and quickly. To address this problem, machine learning is viewed as an indispensable and powerful tool in processing the data collected from micro-devices. In this review, we mainly focus on discussing the integration, miniaturization, portability, and intelligence of microfluidics technology.
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Affiliation(s)
- Xingfeng Ma
- School of Communication and Information Engineering, Shanghai University, Shanghai 200000, China
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Gang Guo
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Xuanye Wu
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Qiang Wu
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
| | - Fangfang Liu
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Hua Zhang
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
| | - Nan Shi
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
- Institute of Translational Medicine, Shanghai University, Shanghai 200000, China
| | - Yimin Guan
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
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Li X, Cai W, Song Y, Kang J, Ji X, Tian F, Yin D, Wang S, Guo Q, Song J, Shi N, Duan J. Prevalence of antimicrobial use and healthcare-associated infections in China: Results from the first point prevalence survey in 18 hospitals in Shanxi Province. J Glob Antimicrob Resist 2023; 33:283-290. [PMID: 37100239 DOI: 10.1016/j.jgar.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 03/20/2023] [Accepted: 04/16/2023] [Indexed: 04/28/2023] Open
Abstract
OBJECTIVES Inappropriate antimicrobial use (AMU) and healthcare-associated infections (HAIs) are important drivers of antimicrobial resistance, yet data from the developing world are scarce. We conducted the first point prevalence survey (PPS) to determine the prevalence of AMU and HAIs and the suggested targeted interventions for appropriate AMU and HAI prevention in Shanxi Province, China. METHODS A multicenter PPS was performed in 18 hospitals in Shanxi. Detailed data on AMU and HAI were collected using the Global-PPS method developed by the University of Antwerp and the methodology developed by the European Centre for Disease Prevention and Control, respectively. RESULTS There were 2171 (28.2%) of the 7707 inpatients receiving at least one antimicrobial. The most commonly prescribed antimicrobials were levofloxacin (11.9%), ceftazidime (11.2%) and cefoperazone and beta-lactamase inhibitor (10.3%). Out of the total indications, 89.2% of antibiotics were prescribed for therapeutic, 8.0% for prophylaxis, and 2.8% for either unknown or other. Of the total surgical prophylaxis, 96.0% of antibiotics were given for more than one day. In general, antimicrobials were given mainly parenterally (95.4%) and empirically (83.3%). A total of 264 active HAIs were identified in 239 patients (3.1%), of which 139 (52.3%) were culture positive. The most common HAI was pneumonia (41.3%). CONCLUSIONS This survey indicated the relatively low prevalence of AMU and HAIs in Shanxi Province. However, this study has also highlighted several priority areas and targets for quality improvement, and repeated PPSs in the future will be useful to gauge progress at controlling AMU and HAIs.
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Affiliation(s)
- Xiaoxia Li
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Wanni Cai
- Department of Pharmacy, School of Pharmacy, Shanxi Medical University, Taiyuan, Shanxi, People's Republic of China
| | - Yan Song
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Jianbang Kang
- Department of Microbiology, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Xiaopeng Ji
- Health and Family Planning Commission of Shanxi Province, No 99, North Construction Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Fangying Tian
- Department of Infection Control, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Donghong Yin
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Shuyun Wang
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Qian Guo
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Junli Song
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Nan Shi
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China
| | - Jinju Duan
- Department of Pharmacy, Second Hospital of Shanxi Medical University, No 382, Wuyi Road, Xinghualing District, Taiyuan, Shanxi, People's Republic of China.
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Zhang H, Song J, Zheng Z, Li T, Shi N, Han Y, Zhang L, Yu Y, Fang H. Fungicide exposure accelerated horizontal transfer of antibiotic resistance genes via plasmid-mediated conjugation. Water Res 2023; 233:119789. [PMID: 36863279 DOI: 10.1016/j.watres.2023.119789] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Co-pollution of soil with pesticide residues and antibiotic resistance genes (ARGs) is increasing due to the substantial usage of pesticides and organic fertilizers in greenhouse-based agricultural production. Non-antibiotic stresses, including those from agricultural fungicides, are potential co-selectors for the horizontal transfer of ARGs, but the underlying mechanism remains unclear. Intragenus and intergenus conjugative transfer systems of the antibiotic resistant plasmid RP4 were established to examine conjugative transfer frequency under stress from four widely used fungicides: triadimefon, chlorothalonil, azoxystrobin, and carbendazim. The mechanisms were elucidated at the cellular and molecular levels using transmission electron microscopy, flow cytometry, RT-qPCR, and RNA-seq techniques. The conjugative transfer frequency of plasmid RP4 between Escherichia coli strains increased with the rising exposure concentrations of chlorothalonil, azoxystrobin, and carbendazim, but was suppressed between E. coli and Pseudomonas putida by a high fungicide concentration (10 µg/mL). Triadimefon did not significantly affect conjugative transfer frequency. Exploration of the underlying mechanisms revealed that: (i) chlorothalonil exposure mainly promoted generation of intracellular reactive oxygen species, stimulated the SOS response, and increased cell membrane permeability, while (ii) azoxystrobin and carbendazim primarily enhanced expression of conjugation-related genes on the plasmid. These findings reveal the fungicide-triggered mechanisms associated with plasmid conjugation and highlight the potential role of non-bactericidal pesticides on the dissemination of ARGs.
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Affiliation(s)
- Houpu Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China; College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei 230036, PR. China
| | - Jiajin Song
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China
| | - Zhiruo Zheng
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China
| | - Tongxin Li
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China
| | - Nan Shi
- Department of Developmental and Cell Biology, University of California, Irvine CA 92697, United States
| | - Yuling Han
- Institute of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture and Rural Affairs, PR. China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture and Rural Affairs, PR. China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR. China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture and Rural Affairs, PR. China.
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20
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Cheng Q, Lyu J, Shi N, Zhang X. Smart Energy-Absorbing Aerogel-Based Honeycombs with Selectively Nanoconfined Shear-Stiffening Gel. Small Methods 2023; 7:e2300002. [PMID: 36732848 DOI: 10.1002/smtd.202300002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Indexed: 06/18/2023]
Abstract
Aerogels, shaped as fibers, films, as well as monoliths, have demonstrated a plethora of applications in both academia and industry due to charming properties including ultralow density, large specific surface area, high porosity, etc., however studies on more complicated aerogel forms (e.g., honeycombs) with more powerful applications have not been fully explored. Herein, the Kevlar aerogel honeycomb is firstly constructed through a dry ice-assisted 3D printing method, where the Kevlar nanofiber ink is printed directly in dry ice freezing atmosphere, followed by supercritical fluid drying. The subsequent 3D Kevlar/shear-stiffening gel (SSG) honeycomb (3D-KSH) can be obtained by selective nanoconfining of SSG into nanopores of the aerogel skeleton wall (with the loading amount of 93 wt%) rather than into open honeycomb channels, solving the leakage, creep deformation, and shape design infeasibility of the SSG. Combining the advantages of Kevlar, honeycomb and SSG, the fabricated 3D-KSH shows obvious smart responsive behavior to external stimulus. Additionally, the 3D-KSH has high strain rate sensitivity (sensitivity factor of 4.16 × 10-4 ) and excellent impact protection performance (energy absorption value up to 176 J g-1 at the strain rate of 6300 s-1 ), which will significantly broaden application prospect in some intelligent protection fields.
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Affiliation(s)
- Qingqing Cheng
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Jing Lyu
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Nan Shi
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Xuetong Zhang
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- Division of Surgery & Interventional Science, University College London, London, NW3 2PF, UK
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21
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Fan X, Zheng X, An T, Li X, Leung N, Zhu B, Sui T, Shi N, Fan T, Zhao Q. Light diffraction by sarcomeres produces iridescence in transmission in the transparent ghost catfish. Proc Natl Acad Sci U S A 2023; 120:e2219300120. [PMID: 36913569 PMCID: PMC10041080 DOI: 10.1073/pnas.2219300120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/07/2023] [Indexed: 03/15/2023] Open
Abstract
Despite the elaborate varieties of iridescent colors in biological species, most of them are reflective. Here we show the rainbow-like structural colors found in the ghost catfish (Kryptopterus vitreolus), which exist only in transmission. The fish shows flickering iridescence throughout the transparent body. The iridescence originates from the collective diffraction of light after passing through the periodic band structures of the sarcomeres inside the tightly stacked myofibril sheets, and the muscle fibers thus work as transmission gratings. The length of the sarcomeres varies from ~1 μm from the body neutral plane near the skeleton to ~2 μm next to the skin, and the iridescence of a live fish mainly results from the longer sarcomeres. The length of the sarcomere changes by ~80 nm as it relaxes and contracts, and the fish shows a quickly blinking dynamic diffraction pattern as it swims. While similar diffraction colors are also observed in thin slices of muscles from non-transparent species such as the white crucian carps, a transparent skin is required indeed to have such iridescence in live species. The ghost catfish skin is of a plywood structure of collagen fibrils, which allows more than 90% of the incident light to pass directly into the muscles and the diffracted light to exit the body. Our findings could also potentially explain the iridescence in other transparent aquatic species, including the eel larvae (Leptocephalus) and the icefishes (Salangidae).
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Affiliation(s)
- Xiujun Fan
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Xuezhi Zheng
- Department of Electrical Engineering, KU Leuven, LeuvenB3001, Belgium
| | - Tong An
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Xiuhong Li
- Shanghai Synchrotron Radiation Facility, Shanghai201204, China
| | - Nathanael Leung
- School of Mechanical Engineering Sciences, University of Surrey, SurreyGU2 7XH, UK
| | - Bin Zhu
- School of Mechanical Engineering Sciences, University of Surrey, SurreyGU2 7XH, UK
| | - Tan Sui
- School of Mechanical Engineering Sciences, University of Surrey, SurreyGU2 7XH, UK
| | - Nan Shi
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Tongxiang Fan
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Qibin Zhao
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
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Xia W, Huang ZJ, Shi N, Feng YW, Tang AZ. Dosage selection and effect evaluation of sodium pentobarbital in tree shrew anesthesia. Lab Anim 2023:236772221146419. [PMID: 36604949 DOI: 10.1177/00236772221146419] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
To achieve surgical anesthesia in animal experimentation, it is important to select the appropriate anesthetic dose. However, few studies have investigated the reasonable anesthetic dose in tree shrew (Tupaia belangeri). The aim of the study was to review the literature to determine the most commonly used anesthetic dose in tree shrew and to calculate the reasonable equivalent dose between tree shrew and rat based on the body surface area conversion. Two groups of 10 adult tree shrews each were anesthetized with 1% sodium pentobarbital through intraperitoneal injection separately at doses of 62 mg/kg (equivalent dose) and 40 mg/kg (reported dose). Anesthetic depth and times were assessed in addition to vital signs. The results showed that the dosage was quite different across studies, ranging from 15 mg/kg to 80 mg/kg, with 40 mg/kg being the most frequently reported dose. However, the group of tree shrews anesthetized with the commonly reported dose were unable to meet the requirements of surgery. In contrast, the equivalent dose (62 mg/kg, intraperitoneal injection with sodium pentobarbital) calculated by body surface area conversion could achieve an anesthetic time of 44.28 ± 3.95 min with no serious or fatal effects. During anesthetic monitoring, we found that sodium pentobarbital had an inhibitory effect on the blood pressure, pulse rate, respiratory rate and rectal temperature in tree shrews, especially on the respiratory rate. Thus, our study indicated that the use of the equivalent dose of sodium pentobarbital was effective in anesthetizing tree shrews.
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Affiliation(s)
- Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, China
| | - Zong-Jian Huang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, China
| | - Nan Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, China
| | - Yi-Wei Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, China
| | - An-Zhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, China
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23
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Yang X, Shi N, Liu J, Cheng Q, Li G, Lyu J, Ma F, Zhang X. 3D Printed Hybrid Aerogel Gauzes Enable Highly Efficient Hemostasis. Adv Healthc Mater 2023; 12:e2201591. [PMID: 36165237 DOI: 10.1002/adhm.202201591] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [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: 07/01/2022] [Revised: 09/21/2022] [Indexed: 02/03/2023]
Abstract
Hemostatic materials have played a significant role in mitigating traumatic injury by controlling bleeding, however, the fabrication of the desirable material's structure to enhance the accumulation of blood cells and platelets for highly efficient hemostasis is still a great challenge. In this work, directed assembly of poly(vinyl alcohol) (PVA) macromolecules covering the rigid Kevlar nanofiber (KNF) network during 3D printing process is utilized to fabricate hydrophilic, biocompatible, and mechanically stable KNF-PVA aerogel filaments for effective enriching blood components by fast water absorption. As such, KNF-PVA aerogel gauzes demonstrate remarkable water permeability (338 mL cm-2 s-1 bar-1 ), water absorption speed (as high as 9.64 g g-1 min-1 ) and capacity (more than ten times of self-weight), and ability to enrich micron-sized particles when contacting aqueous solution. All these properties favor efficient hemostasis and the resulting KNF-PVA aerogel gauzes significantly outperform the commercial product Quikclot Gauze (Z-Medica) during in vivo experiments with the rat liver laceration model, reducing the hemostasis time by half (60 ± 4 s) and the blood loss by two thirds (0.07 ± 0.01 g). These results demonstrate a robust strategy to design various aerogel gauzes for hemostasis applications.
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Affiliation(s)
- Xiaoxu Yang
- Key Laboratory of Rubber-Plastics (Ministry of Education), School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China.,Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Nan Shi
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Jian Liu
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Qingqing Cheng
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Guangyong Li
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Jing Lyu
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Fengguo Ma
- Key Laboratory of Rubber-Plastics (Ministry of Education), School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Xuetong Zhang
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China.,Division of Surgery & Interventional Science, University College London, London, NW3 2PF, UK
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24
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Lou X, Zhang P, Shi N, Ding Z, Xu Z, Liu B, Hu W, Yan T, Wang J, Liu L, Zha Y, Wang J, Chen W, Xu C, Xu J, Jiang H, Ma H, Yuan W, Wang C, Liao Y, Wang D, Yao L, Chen M, Li G, Li Y, Wang P, Li X, Lu C, Tang W, Wan J, Li R, Xiao X, Zhang C, Jiao J, Zhang W, Yuan J, Lan L, Li J, Zhang P, Zheng W, Chen J. Associations between short-term exposure of ambient particulate matter and hemodialysis patients death: A nationwide, longitudinal case-control study in China. Sci Total Environ 2022; 852:158215. [PMID: 36028020 DOI: 10.1016/j.scitotenv.2022.158215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/18/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Long-term exposure to particulate air pollutants can lead to an increase in mortality of hemodialysis patients, but evidence of mortality risk with short-term exposure to ambient particulate matter is lacking. This study aimed to estimate the association of short-term exposure to ambient particulate matter across a wide range of concentrations with hemodialysis patients mortality. METHODS We performed a time-stratified case-crossover study to estimate the association between short-term exposures to PM2.5 and PM10 and mortality of hemodialysis patients. The study included 18,114 hemodialysis death case from 279 hospitals in 41 cities since 2013. Daily particulate matter exposures were calculated by the inverse distance-weighted model based on each case's dialysis center address. Conditional logistic regression were implemented to quantify exposure-response associations. The sensitivity analysis mainly explored the lag effect of particulate matter. RESULTS During the study period, there were 18,114 case days and 61,726 control days. Of all case and control days, average PM2.5 and PM10 levels were 43.98 μg/m3 and 70.86 μg/m3, respectively. Each short-term increase of 10 μg/m3 in PM2.5 and PM10 were statistically significantly associated with a relative increase of 1.07 % (95 % confidence interval [CI]: 0.99 % - 1.15 %) and 0.89 % (95 % CI: 0.84 % - 0.94 %) in daily mortality rate of hemodialysis patients, respectively. There was no evidence of a threshold in the exposure-response relationship. The mean of daily exposure on the same day of death and one-day prior (Lag 01 Day) was the most plausible exposure time window. CONCLUSIONS This study confirms that short-term exposure to particulate matter leads to increased mortality in hemodialysis patients. Policy makers and public health practices have a clear and urgent opportunity to pass air quality control policies that care for hemodialysis populations and incorporate air quality into the daily medical management of hemodialysis patients.
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Affiliation(s)
- Xiaowei Lou
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China; College of Medicine, Zhejiang University, Hangzhou, PR China
| | - Ping Zhang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China; Zhejiang Dialysis Quality Control Center, PR China
| | - Nan Shi
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China
| | - Zhe Ding
- College of Medicine, Zhejiang University, Hangzhou, PR China
| | - Zhonggao Xu
- First Hospital of Jilin University, PR China
| | - Bicheng Liu
- Affiliated Zhongda Hospital of Southeast University, PR China
| | - Wenbo Hu
- Qinghai Provincial Peoples Hospital, PR China
| | - Tiekun Yan
- Tianjin Medical University General Hospital, PR China
| | - Jinwen Wang
- Yan'an Hospital of Kunming Medical University, PR China
| | - Ling Liu
- Second Affiliated Hospital of Chongqing Medical University, PR China
| | - Yan Zha
- Guizhou Provincial People's Hospital, PR China
| | - Jianqin Wang
- Second Affiliated Hospital of Lanzhou University, PR China
| | - Wei Chen
- First Affiliated Hospital of Sun yat-sen University, PR China
| | - Chenyun Xu
- Second Affiliated Hospital of Nanchang University, PR China
| | - Jinsheng Xu
- Fourth Hospital of Hebei Medical University, PR China
| | - Hongli Jiang
- First Affiliated Hospital of Xian Jiaotong University, PR China
| | - Huichao Ma
- Second Hospital of Tibet Autonomous Region, PR China
| | | | - Caili Wang
- First Affiliated Hospital of Baotou Medical College, PR China
| | - Yunhua Liao
- First Affiliated Hospital of Guangxi Medical University, PR China
| | - Deguang Wang
- Second Affiliated Hospital of Anhui Medical University, PR China
| | - Li Yao
- First Affiliated Hospital of China Medical University, PR China
| | - Menghua Chen
- General Hospital of Ningxia Medical University, PR China
| | - Guisen Li
- Sichuan Provincial Peoples Hospital, PR China
| | - Yun Li
- Jiangxi Provincial Peoples Hospital, PR China
| | - Pei Wang
- First Affiliated Hospital of Zhengzhou University, PR China
| | - Xuemei Li
- Peking Union Medical College Hospital, PR China
| | - Chen Lu
- Peoples Hospital of Xinjiang Uygur Autonomous Region, PR China
| | | | - Jianxin Wan
- First Affiliated Hospital of Fujian Medical University, PR China
| | - Rongshan Li
- Shanxi Provincial People's Hospital, PR China
| | | | - Chun Zhang
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Jundong Jiao
- Second Affiliated Hospital of Harbin Medical University, PR China
| | - Wei Zhang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China
| | - Jing Yuan
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China
| | - Lan Lan
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China
| | - Jingsong Li
- Research Center for Healthcare Data Science, Zhejiang Lab, PR China
| | - Peng Zhang
- School of Mathematical Sciences, Zhejiang University, PR China.
| | - Weijun Zheng
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, PR China.
| | - Jianghua Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; National Key Clinical Department of Kidney Diseases, PR China; Institute of Nephropathy, Zhejiang University, Hangzhou, PR China; Zhejiang Dialysis Quality Control Center, PR China.
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25
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Abstract
Numerous researches have evaluated the prevalence and clinical outcome of vitamin D deficiency in patients with chronic kidney disease (CKD) and end-stage renal disease (ESRD). But the quantitative vitamin D status in acute kidney injury (AKI) patients and its relationship with prognosis remains controversial. We conducted this systemic review and meta-analysis to assess the quantitative difference of vitamin D status, including serum 25(OH) D and 1,25(OH)2D levels, between AKI patients and non-AKI controls, and further explore whether vitamin D status can be clearly correlated with the mortality of AKI. Major databases, including PubMed, Web of Science and EBSCO, were searched until 1st September 2021. All published observational studies related to vitamin D and AKI According to predefined inclusion and exclusion criteria were extracted. Meta-analyses were performed using Review Manager 5.3.5. Four studies including five cohorts were included with a total of 413 patients. The serum 25(OH)D levels showed no statistically significant difference in AKI patients and non-AKI controls. On the other hand, the serum 1,25(OH)2D levels were significant lower in AKI patients than in non-AKI controls (MD = - 17.79, 95% CI = - 32.73 to - 2.85, P = 0.02). As for the relationship between serum vitamin D status and AKI patients' mortality, we were unable to give a consistent conclusion based on current limited and conflict study results. Our meta-analysis suggested that serum 1,25(OH)2D levels, rather than 25(OH)D, is significantly lower in AKI patients. The relationship between vitamin D status and clinical outcome of AKI remains controversial based on current evidence. Future comprehensive studies are required to confirm these relations and to elucidate potential mechanisms.
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Affiliation(s)
- Huanran Zhang
- Department of Emergency Medicine, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China
- Key Laboratory of Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Yan Jiang
- Kidney Disease Center, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, People's Republic of China
| | - Nan Shi
- Kidney Disease Center, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, People's Republic of China
| | - Yuan-Qiang Lu
- Department of Emergency Medicine, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China.
- Key Laboratory of Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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26
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Wu L, Li J, Qi J, Shi N, Zhu H. How to Promote Public Engagement and Enhance Sentiment Through Government Social Media During the COVID-19 Crisis. J ORGAN END USER COM 2022. [DOI: 10.4018/joeuc.308819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In the period of public health crisis, effective and efficient transmission of crisis information to the public through social media is an important support for achieving social stability and orderly online public engagement. From the perspective of public value management, this study systematically investigated how local government agencies in China used social media to promote public engagement and raise public sentiment during the COVID-19 crisis. Using data captured from the “Wuhan Release” Sina Weibo account, the authors studied the factors that influence public engagement, including information sources, language styles, and media types. Further, it explores the influence of the interactive effects of public value with information sources, language styles, and media types on public engagement and public sentiment. The results show that the consistency of government response content and public value promotes public engagement and raises public sentiment. This research provides enlightenment and ideas for cognition, understanding and governance of public opinion in practice.
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Affiliation(s)
- Lianren Wu
- Shanghai University of International Business and Economics, China
| | | | - Jiayin Qi
- Shanghai University of International Business and Economics, China
| | - Nan Shi
- Shanghai University of International Business and Economics, China
| | - Hongmiao Zhu
- Shanghai University of International Business and Economics, China
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27
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Shi N, Wang P, li F. Domain-specific knowledge-driven pan-sharpening algorithm. Neurocomputing 2022. [DOI: 10.1016/j.neucom.2022.11.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Zhou HY, Huai YP, Jin X, Yan P, Tang XJ, Wang JY, Shi N, Niu M, Meng ZX, Wang X. An enriched environment reduces hippocampal inflammatory response and improves cognitive function in a mouse model of stroke. Neural Regen Res 2022; 17:2497-2503. [PMID: 35535902 PMCID: PMC9120675 DOI: 10.4103/1673-5374.338999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
An enriched environment is used as a behavioral intervention therapy that applies sensory, motor, and social stimulation, and has been used in basic and clinical research of various neurological diseases. In this study, we established mouse models of photothrombotic stroke and, 24 hours later, raised them in a standard, enriched, or isolated environment for 4 weeks. Compared with the mice raised in a standard environment, the cognitive function of mice raised in an enriched environment was better and the pathological damage in the hippocampal CA1 region was remarkably alleviated. Furthermore, protein expression levels of tumor necrosis factor receptor-associated factor 6, nuclear factor κB p65, interleukin-6, and tumor necrosis factor α, and the mRNA expression level of tumor necrosis factor receptor-associated factor 6 were greatly lower, while the expression level of miR-146a-5p was higher. Compared with the mice raised in a standard environment, changes in these indices in mice raised in an isolated environment were opposite to mice raised in an enriched environment. These findings suggest that different living environments affect the hippocampal inflammatory response and cognitive function in a mouse model of stroke. An enriched environment can improve cognitive function following stroke through up-regulation of miR-146a-5p expression and a reduction in the inflammatory response.
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Affiliation(s)
- Hong-Yu Zhou
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Ya-Ping Huai
- Department of Rehabilitation Medicine, Shenzhen Longhua District Central Hospital, Shenzhen, Guangdong Province, China
| | - Xing Jin
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Ping Yan
- School of Nursing, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Xiao-Jia Tang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Jun-Ya Wang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Nan Shi
- School of Nursing, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Meng Niu
- Dalian Medical University, Dalian, Liaoning Province, China
| | - Zhao-Xiang Meng
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Xin Wang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
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29
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Zhang Y, Shi N, Zhang H, Zhang J, Fan X, Suo X. Appearance quality classification method of Huangguan pear under complex background based on instance segmentation and semantic segmentation. Front Plant Sci 2022; 13:914829. [PMID: 36340375 PMCID: PMC9627623 DOI: 10.3389/fpls.2022.914829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
The 'Huangguan' pear disease spot detection and grading is the key to fruit processing automation. Due to the variety of individual shapes and disease spot types of 'Huangguan' pear. The traditional computer vision technology and pattern recognition methods have some limitations in the detection of 'Huangguan' pear diseases. In recent years, with the development of deep learning technology and convolutional neural network provides a new solution for the fast and accurate detection of 'Huangguan' pear diseases. To achieve automatic grading of 'Huangguan' pear appearance quality in a complex context, this study proposes an integrated framework combining instance segmentation, semantic segmentation and grading models. In the first stage, Mask R-CNN and Mask R-CNN with the introduction of the preprocessing module are used to segment 'Huangguan' pears from complex backgrounds. In the second stage, DeepLabV3+, UNet and PSPNet are used to segment the 'Huangguan' pear spots to get the spots, and the ratio of the spot pixel area to the 'Huangguan' pear pixel area is calculated and classified into three grades. In the third stage, the grades of 'Huangguan' pear are obtained using ResNet50, VGG16 and MobileNetV3. The experimental results show that the model proposed in this paper can segment the 'Huangguan' pear and disease spots in complex background in steps, and complete the grading of 'Huangguan' pear fruit disease severity. According to the experimental results. The Mask R-CNN that introduced the CLAHE preprocessing module in the first-stage instance segmentation model is the most accurate. The resulting pixel accuracy (PA) is 97.38% and the Dice coefficient is 68.08%. DeepLabV3+ is the most accurate in the second-stage semantic segmentation model. The pixel accuracy is 94.03% and the Dice coefficient is 67.25%. ResNet50 is the most accurate among the third-stage classification models. The average precision (AP) was 97.41% and the F1 (harmonic average assessment) was 95.43%.In short, it not only provides a new framework for the detection and identification of 'Huangguan' pear fruit diseases in complex backgrounds, but also lays a theoretical foundation for the assessment and grading of 'Huangguan' pear diseases.
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Affiliation(s)
- Yuhang Zhang
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, China
| | - Nan Shi
- Key Laboratory of Microbial Diversity Research and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding, China
| | - Hao Zhang
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, China
| | - Jun Zhang
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, China
| | - Xiaofei Fan
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, China
| | - Xuesong Suo
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, China
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30
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Shi N, Wang H, Cui C, Afshar EA, Mehrabi F, Taher MA, Shojaei M, Hamidi AS, Dong Y. Survey of antibacterial activity and release kinetics of gold-decorated magnetic nanoparticles of Fe0 conjugated with sulfamethoxazole against Escherichia coli and Staphylococcus aureus. Chemosphere 2022; 305:135179. [PMID: 35660051 DOI: 10.1016/j.chemosphere.2022.135179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Drug delivery of antibiotics with magnetic nanoparticles improved by coating metals such as gold and silver has recently been studied. This work describe a simple method to synthesize modified magnetic nanoparticles which have high ability to modify the customary formulation of antibiotics such as sulfamethoxazole (SMX) and pursuant study of adsorption-desorption (release) of this drug. These synthesized nanoparticles were characterized by different methods, including field emission scanning electron microscopy, energy dispersive X-ray spectroscopy and mapping, Fourier-transform infrared spectroscopy, X-ray diffraction, vibrating-sample magnetometry, thermogravimetric analysis and zeta potential test. Present assay showed a well correlation with the introduced carrier for the drug. Also the hypothesis were proved by some adsorption isotherm models and drug kinetics studies of carriers with different drug release kinetics models. This study confirmed the adsorption isotherm models and kinetics of drug sorbate are Temkin and Pseudo-First-Order Lagergren models, respectively; the kinetics of drug release from this carrier is based on Zero-Order model. The values of MIC in antibacterial test for pure SMX and SMX conjugated nanoparticles against Escherichia coli were calculated to be 14 and 2.5 μg/mL, respectively, and these values against Staphylococcus aureus were 24 and 1.25 μg/mL, respectively.
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Affiliation(s)
- Nan Shi
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
| | - Haibin Wang
- School of Chemical Engineering and Technology North University of China, TaiYuan, China.
| | - Chengjun Cui
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
| | | | - Fatemeh Mehrabi
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Mohammad Ali Taher
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Moein Shojaei
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ashraf Sadat Hamidi
- Department of Physics, Science and Research Branch, Islamic Azad University, Mazandaran, Iran
| | - Yu Dong
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
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31
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Guo G, Wu X, Liu D, Liao L, Zhang D, Zhang Y, Mao T, He Y, Huang P, Wang W, Su L, Wang S, Liu Q, Ma X, Shi N, Guan Y. A Self-Regulated Microfluidic Device with Thermal Bubble Micropumps. Micromachines (Basel) 2022; 13:mi13101620. [PMID: 36295973 PMCID: PMC9612009 DOI: 10.3390/mi13101620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/26/2022] [Accepted: 09/26/2022] [Indexed: 06/12/2023]
Abstract
Currently, many microchips must rely on an external force (such as syringe pump, electro-hydrodynamic pump, and peristaltic pump, etc.) to control the solution in the microchannels, which probably adds manual operating errors, affects the accuracy of fluid manipulation, and enlarges the noise of signal. In addition, the reasonable integration of micropump and microchip remain the stumbling block for the commercialization of microfluidic technique. To solve those two problems, we designed and fabricated a thermal bubble micropump based on MEMS (micro-electro-mechanical systems) technique. Many parameters (voltage, pulse time, cycle delay time, etc.) affecting the performance of this micropump were explored in this work. The experimental results showed the flow rate of solution with the assistance of a micropump reached more than 15 μL/min in the optimal condition. Finally, a method about measuring total aflatoxin in Chinese herbs was successfully developed based on the integrated platform contained competitive immunoassay and our micropump-based microfluidics. Additionally, the limit of detection in quantifying total aflatoxin (AF) was 0.0615 pg/mL in this platform. The data indicate this combined technique of biochemical assays and micropump based microchip have huge potential in automatically, rapidly, and sensitively measuring other low concentration of biochemical samples with small volume.
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Affiliation(s)
- Gang Guo
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Xuanye Wu
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Demeng Liu
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Aure Technology limited Company, Shanghai 200000, China
| | - Lingni Liao
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Di Zhang
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Yi Zhang
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Tianjiao Mao
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Yuhan He
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Peng Huang
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Wei Wang
- Shanghai Aure Technology limited Company, Shanghai 200000, China
| | - Lin Su
- Shanghai Aure Technology limited Company, Shanghai 200000, China
| | - Shuhua Wang
- Shanghai Aure Technology limited Company, Shanghai 200000, China
| | - Qi Liu
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Xingfeng Ma
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Nan Shi
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
- Institute of Translational Medicine, Shanghai University, Shanghai 200000, China
| | - Yimin Guan
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
- Shanghai Aure Technology limited Company, Shanghai 200000, China
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32
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Liu Z, Lyu J, Ding Y, Bao Y, Sheng Z, Shi N, Zhang X. Nanoscale Kevlar Liquid Crystal Aerogel Fibers. ACS Nano 2022; 16:15237-15248. [PMID: 36053080 PMCID: PMC9527790 DOI: 10.1021/acsnano.2c06591] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Aerogel fibers, the simultaneous embodiment of aerogel porous network and fiber slender geometry, have shown critical advantages over natural and synthetic fibers in thermal insulation. However, how to control the building block orientation degree of the resulting aerogel fibers during the dynamic sol-gel transition process to expand their functions for emerging applications is a great challenge. Herein, nanoscale Kevlar liquid crystal (NKLC) aerogel fibers with different building block orientation degrees have been fabricated from Kevlar nanofibers via liquid crystal spinning, dynamic sol-gel transition, freeze-drying, and cold plasma hydrophobilization in sequence. The resulting NKLC aerogel fibers demonstrate extremely high mechanical strength (41.0 MPa), excellent thermal insulation (0.037 W·m-1·K-1), and self-cleaning performance (with a water contact angle of 154°). The superhydrophobic NKLC aerogel fibers can cyclically transform between aerogel and gel states, while gel fibers involving different building block orientation degrees display distinguishable brightness under polarized light. Based on these performances, digital textiles woven or embroidered with high- and low-orientated NKLC aerogel fibers enable up to 6.0 Gb information encryption in one square meter and on-demand decryption. Therefore, it can be envisioned that the tuning of the building blocks' orientation degree will be an appropriate strategy to endow performance to the liquid crystal aerogel fibers for potential applications beyond thermal insulation.
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Affiliation(s)
- Zengwei Liu
- School
of Nano-Tech and Nano-Bionics, University
of Science and Technology of China, Hefei 230026, P. R. China
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Jing Lyu
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Yi Ding
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Yaqian Bao
- School
of Nano-Tech and Nano-Bionics, University
of Science and Technology of China, Hefei 230026, P. R. China
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Zhizhi Sheng
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Nan Shi
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Xuetong Zhang
- Suzhou
Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
- Division
of Surgery and Interventional Science, University
College London, London NW3 2PF, United Kingdom
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33
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Boroumand P, Prescott DC, Mukherjee T, Bilan PJ, Wong M, Shen J, Tattoli I, Zhou Y, Li A, Sivasubramaniyam T, Shi N, Zhu LY, Liu Z, Robbins C, Philpott DJ, Girardin SE, Klip A. Bone marrow adipocytes drive the development of tissue invasive Ly6C high monocytes during obesity. eLife 2022; 11:65553. [PMID: 36125130 PMCID: PMC9512398 DOI: 10.7554/elife.65553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Abstract
During obesity and high fat-diet (HFD) feeding in mice, sustained low-grade inflammation includes not only increased pro-inflammatory macrophages in the expanding adipose tissue, but also bone marrow (BM) production of invasive Ly6Chigh monocytes. As BM adiposity also accrues with HFD, we explored the relationship between the gains in BM white adipocytes and invasive Ly6Chigh monocytes by in vivo and ex vivo paradigms. We find a temporal and causal link between BM adipocyte whitening and the Ly6Chigh monocyte surge, preceding the adipose tissue macrophage rise during HFD in mice. Phenocopying this, ex vivo treatment of BM cells with conditioned media from BM adipocytes or bona fide white adipocytes favoured Ly6Chigh monocyte preponderance. Notably, Ly6Chigh skewing was preceded by monocyte metabolic reprogramming towards glycolysis, reduced oxidative potential and increased mitochondrial fission. In sum, short-term HFD changes BM cellularity, resulting in local adipocyte whitening driving a gradual increase and activation of invasive Ly6Chigh monocytes.
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Affiliation(s)
| | - David C Prescott
- Department of Immunology, University of Toronto, Toronto, Canada
| | - Tapas Mukherjee
- Department of Immunology, University of Toronto, Toronto, Canada
| | - Philip J Bilan
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Michael Wong
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Jeff Shen
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Ivan Tattoli
- Department of Laboratory Medicine and Pathopysiology, University of Toronto, Toronto, Canada
| | - Yuhuan Zhou
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Angela Li
- Research Institute, Toronto General Hospital, Toronto, Canada
| | | | - Nan Shi
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Lucie Y Zhu
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Zhi Liu
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
| | - Clinton Robbins
- Department of Laboratory Medicine and Pathophysiology, University of Toronto, Toronto, Canada
| | - Dana J Philpott
- Department of Immunology, University of Toronto, Toronto, Canada
| | | | - Amira Klip
- Cell Biology Program, Hospital for Sick Children, Toronto, Canada
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34
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Liu Y, Cai Y, Li Y, Zhang X, Shi N, Zhao J, Yang H. Dynamic changes in the transcriptome landscape of Arabidopsis thaliana in response to cold stress. Front Plant Sci 2022; 13:983460. [PMID: 36110360 PMCID: PMC9468617 DOI: 10.3389/fpls.2022.983460] [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] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Plants must reprogram gene expression to adapt constantly changing environmental temperatures. With the increased occurrence of extremely low temperatures, the negative effects on plants, especially on growth and development, from cold stress are becoming more and more serious. In this research, strand-specific RNA sequencing (ssRNA-seq) was used to explore the dynamic changes in the transcriptome landscape of Arabidopsis thaliana exposed to cold temperatures (4°C) at different times. In total, 7,623 differentially expressed genes (DEGs) exhibited dynamic temporal changes during the cold treatments. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis showed that the DEGs were enriched in cold response, secondary metabolic processes, photosynthesis, glucosinolate biosynthesis, and plant hormone signal transduction pathways. Meanwhile, long non-coding RNAs (lncRNAs) were identified after the assembly of the transcripts, from which 247 differentially expressed lncRNAs (DElncRNAs) and their potential target genes were predicted. 3,621 differentially alternatively spliced (DAS) genes related to RNA splicing and spliceosome were identified, indicating enhanced transcriptome complexity due to the alternative splicing (AS) in the cold. In addition, 739 cold-regulated transcription factors (TFs) belonging to 52 gene families were identified as well. This research analyzed the dynamic changes of the transcriptome landscape in response to cold stress, which reveals more complete transcriptional patterns during short- and long-term cold treatment and provides new insights into functional studies of that how plants are affected by cold stress.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Yajun Cai
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Yanzhuo Li
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Xiaoling Zhang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Nan Shi
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Jingze Zhao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Hongchun Yang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- RNA Institute, Wuhan University, Wuhan, China
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Shi N, Kang J, Wang S, Song Y, Yin D, Li X, Guo Q, Duan J, Zhang S. Bacteriological Profile and Antimicrobial Susceptibility Patterns of Gram-Negative Bloodstream Infection and Risk Factors Associated with Mortality and Drug Resistance: A Retrospective Study from Shanxi, China. Infect Drug Resist 2022; 15:3561-3578. [PMID: 35833010 PMCID: PMC9271686 DOI: 10.2147/idr.s370326] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/28/2022] [Indexed: 11/23/2022] Open
Abstract
Objective The aim of this study was to analyze the epidemiological of gram-negative bloodstream infection (GNBSI) and establish a risk prediction model for mortality and acquiring multidrug resistant (MDR), the extended spectrum beta-lactamases (ESBLs) producing and carbapenem-resistant (CR) GNBSI. Methods This retrospective study covered five years from January 2015 to December 2019. Data were obtained from Hospital Information System (HIS) and microbiology department records. The risk factors for mortality and acquiring MDR, ESBLs-producing and CR GNBSI were analyzed by univariable and multivariable analysis. Results A total of 1018 GNBSI cases were collected. A majority of GNBSI patients were in hematology ward (23.77%). There were 38.61% patients who were assigned in the 41–60 age group. Escherichia coli was the most common gram-negative organism (49.90%). Among isolates of GNBSI, 40.47% were found to be MDR strains, 34.09% were found to be ESBLs-producing strains and 7.06% were found to be CR strains. Escherichia coli was the most common MDR (71.36%) and ESBLs-producing strain (77.81%). Acinetobacter baumannii was the most common CR isolate (46.15%). Multivariate analysis indicated that diabetes mellitus, solid organ tumor, non-fermentative bacteria, MDR strain, central venous cannula, urinary catheter, therapy with carbapenems or tigecycline prior 30 days of infection were independent mortality risk factors for GNBSIs. Over all, therapy with tigecycline prior 30 days of infection was the mutual predictor for mortality of GNBSI, acquiring MDR, ESBLs-producing and CR GNBSI (OR, 8.221, OR, 3.963, OR, 3.588, OR, 9.222, respectively, all p < 0.001). Conclusion Collectively, our study implies that patients who were diagnosed as GNBSI had a younger age. Therapy with tigecycline was the mutual and paramount predictor for mortality of GNBSI, acquiring MDR, ESBLs-producing and CR GNBSI. Our investigation had provided a theoretical basis for the use of antibiotics and prevention and control of hospital infection in our region.
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Affiliation(s)
- Nan Shi
- Department of Pharmacy, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jianbang Kang
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Shuyun Wang
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Yan Song
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Donghong Yin
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Xiaoxia Li
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Qian Guo
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jinju Duan
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
- Correspondence: Jinju Duan; Shuqiu Zhang, Email ; ;
| | - Shuqiu Zhang
- Department of Pharmacy, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
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Zhao Y, Wang X, Guo X, Shi N, Cheng D, Zhou H, Saito N, Fan T. Nitrogen-doped 3D porous graphene coupled with densely distributed CoOx nanoparticles for efficient multifunctional electrocatalysis and Zn-Air battery. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wu G, Shi N, Wang T, Cheng CM, Wang J, Tian C, Pan WP. Enrichment and occurrence form of rare earth elements during coal and coal gangue combustion. Environ Sci Pollut Res Int 2022; 29:44709-44722. [PMID: 35133594 DOI: 10.1007/s11356-022-18852-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Coal ash has emerged as an important alternative source for rare earth elements (REEs). The enrichment and occurrence form of REEs among coal combustion products are of great significance for both technical design and economic evaluation of recovering REEs from the coal ash. Here, the enrichment and occurrence form of REEs in the ash were investigated. Compared with ashes from muffle furnace, coal fly ash (CFA) from power plants involved higher enrichment ratio of REEs, which was explained by the fractionation of coal ashes to concentrate REEs in finer CFA, higher combustion temperature to vaporize more volatile elements, and longer residence time of fly ash to absorb REEs in the gas. In addition, CFA samples were analyzed by sequence chemical extraction procedure (SCEP) and scanning electron microscope with an energy dispersive spectrometer (SEM-EDX), which revealed the important role of aluminum in the occurrence form of REEs compared with Si in aluminosilicates of CFA. This conclusion was further confirmed by thermodynamic equilibrium calculation, which also agreed qualitatively with the observation that REEs mainly existed in the solid phase. Both experimental and computational results of this work provided insights to understand the distribution of REEs in CFA and optimize their extraction processes.
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Affiliation(s)
- Guoqiang Wu
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, China
- North Minzu University, Yinchuan, 750021, China
| | - Nan Shi
- EXPEC-ARC, Saudi Aramco, Dhahran, Saudi Arabia.
| | - Tao Wang
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, China.
| | - Chin-Min Cheng
- Department of Civil, Environmental, and Geodetic Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Jiawei Wang
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, China
| | - Chunxiao Tian
- Stat Grid Shandong Electric Power Research Institute, Jinan, 250002, China
| | - Wei-Ping Pan
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, China
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Wu J, Wang T, Shi N, Min F, Pan WP. Hierarchically porous biochar templated by in situ formed ZnO for rapid Pb 2+ and Cd 2+ adsorption in wastewater: Experiment and molecular dynamics study. Environ Pollut 2022; 302:119107. [PMID: 35248619 DOI: 10.1016/j.envpol.2022.119107] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 02/27/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
3D hierarchical porous biochar (HPBC) was synthesized by a thermally removable template without post-activation. Zn(NO3)2 decomposition produced gases and ZnO in situ to activate and expand the three-dimensional micro-and mesopores. Compared with pristine biochar (BC), the specific surface area and pore volume of HPBC were increased by 223 and 75 times, respectively. The abundant pore structure of HPBC significantly enhanced the diffusion rate of heavy metals. For example, compared to BC, the time required for HPBC to adsorb Pb2+ reach adsorption equilibrium was reduced by 87.5% (40 min vs 5min). Such an adsorption performance of HPBC was also insensitive to different background ions (K+, Na+, Ca2+, and Mg2+) with a much higher concentration than that of heavy metals. When applied to treat desulfurization wastewater from power plants, HPBC yielded 100% removal of Pb2+ and Cd2+, much higher than that by using commercial activated carbon (28%). Molecular dynamics simulation revealed different locations preferred by the adsorption of Pb2+ (micropores) and Cd2+ (mesopores) in the hierarchical pore structures. The adsorption of Pb2+ and Cd2+ on HPBC was mainly achieved by diffusion, oxygen functional group complexation, and precipitation. These results provided better knowledge to understand the microscopic adsorption mechanisms of heavy metals in hierarchical pores and a facile yet robust strategy to design such structures in biochar for efficient wastewater treatment.
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Affiliation(s)
- Jiawen Wu
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, PR China
| | - Tao Wang
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, PR China.
| | - Nan Shi
- Exploration and Petroleum Engineering Advanced Research Center, Saudi Aramco, Dhahran, Saudi Arabia
| | - Fanfei Min
- Institute of Material Science & Engineering, Anhui University of Science and Technology, Huainan, Anhui, 232001, China
| | - Wei-Ping Pan
- Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing, 102206, PR China
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Shah PR, Tan H, Taylor D, Tang X, Shi N, Mashat A, Abdel-Fattah A, Squires TM. Temperature dependence of diffusiophoresis via a novel microfluidic approach. Lab Chip 2022; 22:1980-1988. [PMID: 35445222 DOI: 10.1039/d1lc00916h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The temperature dependence of the diffusiophoretic mobility (DDP) is investigated experimentally and compared with theoretical predictions. These systematic measurements were made possible by a new microfluidic approach that enables truly steady state gradients to be imposed, and direct and repeatable measurements of diffusiophoretic migration to be made over hours-long time scales. Diffusiophoretic mobilities were measured for fluorescent, negatively charged polystyrene particles under NaCl gradients, at temperatures ranging from 20 °C to 70 °C. Measured DDP values were found to increase monotonically with temperature, and to agree, both qualitatively and relatively quantitatively, with theoretical predictions based on electrophoretically-measured zeta potentials. These results provide confidence that existing diffusiophoresis theories can accurately predict DP mobilities over a range of temperatures. More broadly, we anticipate our new microfluidic approach will facilitate and enable new tests of diffusiophoretic phenomena under a wide range of physical and chemical conditions.
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Affiliation(s)
- Parth R Shah
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
| | - Huanshu Tan
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
| | - David Taylor
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
| | - Xiaoyu Tang
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
| | - Nan Shi
- EXPEC Advanced Research Center, Saudi Aramco, Dhahran 31311, Saudi Arabia
| | - Afnan Mashat
- EXPEC Advanced Research Center, Saudi Aramco, Dhahran 31311, Saudi Arabia
| | - Amr Abdel-Fattah
- EXPEC Advanced Research Center, Saudi Aramco, Dhahran 31311, Saudi Arabia
| | - Todd M Squires
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
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Song J, Li T, Zheng Z, Fu W, Long Z, Shi N, Han Y, Zhang L, Yu Y, Fang H. Carbendazim shapes microbiome and enhances resistome in the earthworm gut. Microbiome 2022; 10:63. [PMID: 35436900 PMCID: PMC9014604 DOI: 10.1186/s40168-022-01261-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [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: 11/12/2021] [Accepted: 03/20/2022] [Indexed: 05/04/2023]
Abstract
BACKGROUND It is worrisome that several pollutants can enhance the abundance of antibiotic resistance genes (ARGs) in the environment, including agricultural fungicides. As an important bioindicator for environmental risk assessment, earthworm is still a neglected focus that the effects of the fungicide carbendazim (CBD) residues on the gut microbiome and resistome are largely unknown. In this study, Eisenia fetida was selected to investigate the effects of CBD in the soil-earthworm systems using shotgun metagenomics and qPCR methods. RESULTS CBD could significantly perturb bacterial community and enrich specific bacteria mainly belonging to the phylum Actinobacteria. More importantly, CBD could serve as a co-selective agent to elevate the abundance and diversity of ARGs, particularly for some specific types (e.g., multidrug, glycopeptide, tetracycline, and rifamycin resistance genes) in the earthworm gut. Additionally, host tracking analysis suggested that ARGs were mainly carried in some genera of the phyla Actinobacteria and Proteobacteria. Meanwhile, the level of ARGs was positively relevant to the abundance of mobile genetic elements (MGEs) and some representative co-occurrence patterns of ARGs and MGEs (e.g., cmx-transposase and sul1-integrase) were further found on the metagenome-assembled contigs in the CBD treatments. CONCLUSIONS It can be concluded that the enhancement effect of CBD on the resistome in the earthworm gut may be attributed to its stress on the gut microbiome and facilitation on the ARGs dissemination mediated by MGEs, which may provide a novel insight into the neglected ecotoxicological risk of the widely used agrochemicals on the gut resistome of earthworm dwelling in soil. Video abstract.
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Affiliation(s)
- Jiajin Song
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Tongxin Li
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Zhiruo Zheng
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Wenjie Fu
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Zhengnan Long
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Nan Shi
- Department of Developmental and Cell Biology, University of California, Irvine, CA, 92697, USA
| | - Yuling Han
- Institue of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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Wu J, Wang T, Shi N, Pan WP. Insight into mass transfer mechanism and equilibrium modeling of heavy metals adsorption on hierarchically porous biochar. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Wu B, Guo S, Zhang L, Wang S, Liu D, Cheng Z, Shi N. Spatial variation of residual total petroleum hydrocarbons and ecological risk in oilfield soils. Chemosphere 2022; 291:132916. [PMID: 34793846 DOI: 10.1016/j.chemosphere.2021.132916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/10/2021] [Accepted: 11/13/2021] [Indexed: 06/13/2023]
Abstract
Total petroleum hydrocarbon (TPH) pollution in oilfield soils is a worldwide environmental problem. In this study, we analysed the spatial variation of residual TPH components and the ecological risk they pose. The soils of five selected oilfields in China, across 11 degrees of latitude and 17 degrees of longitude were selected for the investigation. The results showed that the non-zonal composition of the residual TPHs in the soil was similar to the that of the crude oil input. Principal component analysis (PCA) suggested that the effect of zonal environmental factors explained 81.5% of the variability in the residual indexes of saturated and aromatic hydrocarbons. The first principal component, the soil clay and organic matter, correlated positively with the residual TPH index. The second principal component, the accumulated temperature, however, correlated negatively with the residual TPH index in the soil. Moreover, the application of the soil quality index (SoQI) and a Monte Carlo simulation for estimating the residual TPH content suggested that the ecological risk caused by residual TPHs in the soil decreased when the oilfield latitude and clay and organic matter content in the oilfield soil were lower. This study provides a basis for the assessment and monitoring of ecological risk in oilfield soils worldwide.
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Affiliation(s)
- Bo Wu
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, PR China; National-Local Joint Engineering Laboratory of Contaminated Soil Remediation by Bio-physicochemical Synergistic Process, Shenyang, 110016, PR China.
| | - Shuhai Guo
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, PR China; National-Local Joint Engineering Laboratory of Contaminated Soil Remediation by Bio-physicochemical Synergistic Process, Shenyang, 110016, PR China.
| | - Lingyan Zhang
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, PR China; National-Local Joint Engineering Laboratory of Contaminated Soil Remediation by Bio-physicochemical Synergistic Process, Shenyang, 110016, PR China.
| | - Sa Wang
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, PR China; National-Local Joint Engineering Laboratory of Contaminated Soil Remediation by Bio-physicochemical Synergistic Process, Shenyang, 110016, PR China.
| | - Dong Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, PR China.
| | - Zhigao Cheng
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Nan Shi
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, PR China.
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Xia W, Chen H, Feng Y, Shi N, Huang Z, Feng Q, Jiang X, He G, Xie M, Lai Y, Wang Z, Yi X, Tang A. Tree Shrew Is a Suitable Animal Model for the Study of Epstein Barr Virus. Front Immunol 2022; 12:789604. [PMID: 35111158 PMCID: PMC8801525 DOI: 10.3389/fimmu.2021.789604] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/27/2021] [Indexed: 12/19/2022] Open
Abstract
Epstein-Barr virus (EBV) is a human herpesvirus that latently infects approximately 95% of adults and is associated with a spectrum of human diseases including Infectious Mononucleosis and a variety of malignancies. However, understanding the pathogenesis, vaccines and antiviral drugs for EBV-associated disease has been hampered by the lack of suitable animal models. Tree shrew is a novel laboratory animal with a close phylogenetic relationship to primates, which is a critical advantage for many animal models for human disease, especially viral infections. Herein, we first identified the key residues in the CR2 receptor that bind the gp350 protein and facilitate viral entry. We found that tree shrew shares 100% sequence identity with humans in these residues, which is much higher than rabbits (50%) and rats (25%). In vitro analysis showed that B lymphocytes of tree shrews are susceptible to EBV infection and replication, as well as EBV-enhanced cell proliferation. Moreover, results of in vivo experiments show that EBV infection in tree shrews resembles EBV infection in humans. The infected animals exhibited transient fever and loss of weight accompanied by neutropenia and high viremia levels during the acute phase of the viral infection. Thereafter, tree shrews acted as asymptomatic carriers of the virus in most cases that EBV-related protein could be detected in blood and tissues. However, a resurgence of EBV infection occurred at 49 dpi. Nanopore transcriptomic sequencing of peripheral blood in EBV-infected animals revealed the dynamic changes in biological processes occurring during EBV primary infection. Importantly, we find that neutrophil function was impaired in tree shrew model as well as human Infectious Mononucleosis datasets (GSE85599 and GSE45918). In addition, retrospective case reviews suggested that neutropenia may play an important role in EBV escaping host innate immune response, leading to long-term latent infection. Our findings demonstrated that tree shrew is a suitable animal model to evaluate the mechanisms of EBV infection, and for developing vaccines and therapeutic drugs against EBV.
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Affiliation(s)
- Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Honglin Chen
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Yiwei Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Nan Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Zongjian Huang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Qingyuan Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Xu Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Guangyao He
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Mao Xie
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Yongjin Lai
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Zhi Wang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Xiang Yi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
| | - Anzhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Gaungxi Medical University), Ministry of Education, Nanning, China
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He L, Shi N, Malik K, Li F. Unsupervised defect inspection algorithm based on cascaded GAN with edge repair feature fusion. APPL INTELL 2022. [DOI: 10.1007/s10489-021-02556-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gao L, Yang L, Guo L, Wang H, Zhao Y, Xie J, Shi N. Improving the solubility of melanin nanoparticles from apricot kernels is a potent drug delivery system. J Appl Biomater Funct Mater 2022; 20:22808000221124418. [DOI: 10.1177/22808000221124418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Melanin can be used in biomedical nanomaterials, but its solubility in water and bioavailability are low. Aim: Melanin nanoparticles were prepared and then PEG-natural melanin nanoparticles (NMNP-PEG) were obtained with good performance and optimize their (water solubility, dispersion stability, chelating metal ions, photothermal stability, drug delivery, and biocompatibility), therefore improve the water solubility of melanin and broaden its application scope in biology, medicine, food, and other fields. Methods: MFAK (melanin from apricot kernels) and NMNP-PEG were prepared and characterized using ultraviolet-visible spectrophotometry (UV-Vis), high-performance liquid chromatography (HPLC), Fourier-transform infrared spectroscopy (FTIR), 1H nuclear magnetic resonance (NMR), and electron microscopy. The chelation rate of metal ions, photothermal effect, doxorubicin loading, and cytotoxicity (MCF-7 cells) were examined. Results: UV-Vis, HPLC, FTIR, and NMR indicated that NMNPs contained melanin. NMNPs could be successfully modified using PEG. Under physiological pH conditions (pH 7.4), the metal ion chelation rate of NMNP-PEG increased with time and peaked at 12 h. The photothermal assay showed a temperature enhancement of 26.3°C with 1 mg/mL NMNP-PEG, compared with 1.9℃ with water. The NMNP-PEGs had a typical peak for doxorubicin in the FTIR spectrum, and the peak intensity was proportional to the drug loading. The release of doxorubicin in an acidic buffer was 40.8% at 24 h, almost threefold that in a neutral buffer (11.9%). There was no obvious cytotoxicity from NMNP-PEG. Conclusion: NMNP-PEG displays good stability, high metal ion chelation ability, efficient photothermal conversion potential, drug-retaining capability, sustained controlled drug release, and biocompatibility. This study provides a theoretical basis for NMNP-PEG applications in medicine (targeting specific sites to diagnose and treat diseases), food (extending the shelf life of food), and biology (as metal ion chelating agents to remove heavy metals from wastewater).
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Affiliation(s)
- Li Gao
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Liu Yang
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Lixiao Guo
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Haibin Wang
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Yinghu Zhao
- School of Environment and Safety Engineering, North University of China, Taiyuan, Shanxi, China
| | - Jun Xie
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Nan Shi
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
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Ren J, Wang XB, Shu H, Xiong WJ, Wei QF, Wang X, Shi N, Xiong XL. [Analysis of screening results and risk factors of high-risk populations of lung cancer in Nanchang city from 2018 to 2019]. Zhonghua Zhong Liu Za Zhi 2021; 43:1316-1321. [PMID: 34915643 DOI: 10.3760/cma.j.cn112152-20200615-00559] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To collate and analyze the screening results of high-risk lung cancer populations in communities in Nanchang from 2018 to 2019, and to explore the lung-positive nodules and risk factors for lung cancer. Methods: Data of the screening subjects in 8 administrative districts and 15 street health service centers in Nanchang city, Jiangxi province from November 2018 to October 2019 were collected, people at high risk of lung cancer was assessed, clinical screening of high-risk groups of lung cancer was conducted by low-dose helical computed tomography (LDCT), and risk factors for suspected lung cancer and lung-positive nodules were analyzed. Results: Of the 25 871 people participated in screening, 5 220 were at high risk for lung cancer and 15 374 without other malignant tumors were at high risk. There were 2 417 cases participated in clinical LDCT screening, including 193 cases of lung-positive nodules, 67 cases of suspected lung cancer, 912 cases of other lung diseases, the positive rate of lung cancer or lung-positive nodules was 10.76% (260/2 417). Univariate analysis showed that age, coarse grain intake, oil intake, housing heating, passive smoking, alcohol consumption and mental trauma were associated with positive pulmonary nodules or lung cancer (all P<0.05). Multivariate analysis showed that gender, age, housing heating, smoking and drinking were related to the occurrence of lung nodules or lung cancer (all P<0.05). Conclusions: Men are more likely to develop lung cancer or lung-positive nodules than women. The age is an independent risk factor for lung-positive nodules or lung cancer. In a certain range, age will increase the incidence of lung cancer, housing heating may be the protective factor for lung cancer, while smoking and drinking are risk factors.
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Affiliation(s)
- J Ren
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
| | - X B Wang
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
| | - H Shu
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
| | - W J Xiong
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
| | - Q F Wei
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
| | - X Wang
- Preventive Medicine Teaching and Research Section, School of Basic Medicine, Jiujiang University, Jiujiang 332000, China
| | - N Shi
- Jiangxi Medical College, Shangrao 334000, China
| | - X L Xiong
- Jiangxi Cancer Centre, Jiangxi Tumor Hospital, Nanchang 330029, China
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Lu Y, Ye L, Jian X, Yang D, Zhang H, Tong Z, Wu Z, Shi N, Han Y, Mao H. Integrated microfluidic system for isolating exosome and analyzing protein marker PD-L1. Biosens Bioelectron 2021; 204:113879. [PMID: 35180692 DOI: 10.1016/j.bios.2021.113879] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [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: 08/18/2021] [Revised: 12/02/2021] [Accepted: 12/09/2021] [Indexed: 02/08/2023]
Abstract
Exosomes are lipid-bilayered nanovesicles secreted by cells to mediate intercellular communication. Various kinds of biomolecules involved in exosomes offer non-invasive approaches for detecting or monitoring disease and developing targeted therapeutics. Here, we present an integrated microfluidic exosome isolation and detection system (EXID system) to analyze the abundance of the exosomal PD-L1 protein marker, which is a transmembrane protein expressed by tumors to suppress immune activation of T cells. By incorporating exosome isolation and biomarker labelling and quantification within a single microfluidic chip, our system reduced the total analysis time below 2 h. Using the EXID system, 7 categories of cell lines including cancer cell lines and control samples were profiled, where significant differences in the fluorescence intensity were observed with the limit of detection (LOD) down to 10.76 per microliter. Such noticeable variations in PD-L1 abundance among cancer cell lines highlighted the need of personalized treatments. Furthermore, 16 clinical samples from 7 post-treated cancer patients, 3 prior-treatment patients and 6 healthy controls, are tested, among which differences in sensitivity toward immune response were subsistent. Because the abundance of PD-L1 reflects the sensibility for immune response, our results provide useful guides to design immunotherapy strategies for different types of tumors.
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Affiliation(s)
- Yunxing Lu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ling Ye
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xiaoyu Jian
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Dawei Yang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Hongwei Zhang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Zhaoduo Tong
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhenhua Wu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Nan Shi
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Yunwei Han
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
| | - Hongju Mao
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.
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Chen H, Yu F, Shi N, Du P, Liu S, Zhang X, Tan J. Overexpression and mutation of a novel lipase from Serratia marcescens L1 in Escherichia coli. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Abstract
The immune response plays a key role in the disease development of the organism, while immune function serves as an important indicator for animal models evaluation. The tree shrew
(Tupaia belangeri chinensis), as a new laboratory animal with a close genetic relationship with primates, has been used to construct various disease models. However, the
immune system of tree shrews, especially anatomical descriptions of lymph nodes, is still relatively unknown. In this study, a total of 16 different lymph nodes were identified, including
superficial lymph nodes and deep lymph nodes. Superficial lymph nodes were located in the head and neck region (submandibular lymph node, parotid lymph node, deep and superficial cervical
lymph nodes) and at the forelimb (axillary and accessory axillary lymph nodes, subscapular lymph node) and hindlimb (popliteal, sciatic, and inguinal lymph nodes). Deep lymph nodes comprise
mediastinal lymph nodes located in thoracic cavity and abdominal lymph nodes that are mainly located in each mesentery (mesenteric, gastric, pancreatic-duodenal, renal lymph nodes) or along
the major vessels (iliac lymph nodes). In addition, we described the spleen and thymus of the tree shrew, as well as two lymphoid tissues in the top wall of the nasal cavity and the
oropharynx. This study mainly describes the tree shrew immune system from an anatomical and histopathological perspective and provides fundamental research references for the establishment
of various animal models of tree shrews.
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Affiliation(s)
- Nan Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Ketong Ji
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Yiwei Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Hua Li
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Guangyao He
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
| | - Anzhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education of the People's Republic of China
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Li J, Qi J, Wu L, Shi N, Li X, Zhang Y, Zheng Y. The Continued Use of Social Commerce Platforms and Psychological Anxiety-The Roles of Influencers, Informational Incentives and FoMO. Int J Environ Res Public Health 2021; 18:ijerph182212254. [PMID: 34832008 PMCID: PMC8620271 DOI: 10.3390/ijerph182212254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 12/26/2022]
Abstract
Why does the continued use of social commerce platforms fail to promote consumer wellbeing? This study explores the roles of influencers, informational incentives and fear of missing out (FoMO) in the relationships between social commerce platform use and consumer mental health. Data were obtained through questionnaires, as well as constructing a research model. Statistical analysis and path analysis of the structural equation model were performed by the software IBM SPSS and AMOS, and the following results were obtained. (1) Influencer expertise and interactivity, informational incentives and FoMO have a significant impact on consumers’ continued use of social commerce platforms. (2) Materialism has no significant effect on consumer social commerce platform use. (3) FoMO mediates the relationships between informational incentives and continued use of social commerce platforms. (4) Consumers’ continuous use of social commerce platforms has a strong relationship with mental health. (5) Continued use of social commerce platforms can lead to intense social engagement, as well as more severe outcomes such as psychological anxiety and compulsive buying. The findings of the paper have important implications for the development of social business theory and management practice.
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Affiliation(s)
- Jinjie Li
- School of Tourism Management, Shanghai Normal University, Shanghai 201418, China;
| | - Jiayin Qi
- Institute of Artificial Intelligence and Change Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (J.Q.); (Y.Z.)
- Key Lab of Data Science and Management Decision, Shanghai University of International Business and Economics, Shanghai 200336, China
- Key Laboratory of Trustworthy Distributed Computing and Service, Ministry of Education, Beijing 100086, China
| | - Lianren Wu
- Institute of Artificial Intelligence and Change Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (J.Q.); (Y.Z.)
- Key Lab of Data Science and Management Decision, Shanghai University of International Business and Economics, Shanghai 200336, China
- School of Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (N.S.); (Y.Z.)
- Correspondence:
| | - Nan Shi
- School of Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (N.S.); (Y.Z.)
| | - Xu Li
- YunlianZhigao (Beijing) Information Technology Research Institute Co. Ltd., Beijing 100086, China;
| | - Yuxin Zhang
- Institute of Artificial Intelligence and Change Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (J.Q.); (Y.Z.)
- Key Lab of Data Science and Management Decision, Shanghai University of International Business and Economics, Shanghai 200336, China
| | - Yinyin Zheng
- School of Management, Shanghai University of International Business and Economics, Shanghai 200336, China; (N.S.); (Y.Z.)
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