检索结果-内蒙古大学图书馆

Computational investigation of turmeric phytochemicals targeting PTR1 enzyme of Leishmania species

Heliyon 2024年第6期10卷

作者： Ullah, Wasia Wu, Wen-Feng Malak, Nosheen Nasreen, Nasreen Swelum, Ayman A. Marcelino, Liliana Aguilar Niaz, Sadaf Khan, Adil Ben Said, Mourad Chen, Chien-Chin Department of Zoology Abdul Wali Khan University Mardan Mardan 23200 Pakistan Department of Radiology Ditmanson Medical Foundation Chia-Yi Christian Hospital 600 Chiayi Taiwan Department of Animal Production College of Food and Agriculture Sciences King Saud University Riyadh 1451 Saudi Arabia National Center for Disciplinary Research in Animal Health and Safety (INIFAP) Km 11 Federal Road Cuernavaca-Cuautla Morelos Jiutepec 62550 Mexico Department of Zoology Bacha Khan University Charsadda Charsadda 24420 Pakistan Department of Biology Mount Allison University Sackville E4L 1G7 NB Canada Laboratory of Microbiology National School of Veterinary Medicine of Sidi Thabet University of Manouba Manouba 2010 Tunisia Department of Basic Sciences Higher Institute of Biotechnology of Sidi Thabet University of Manouba Manouba 2010 Tunisia Department of Biotechnology and Bioindustry Sciences College of Bioscience and Biotechnology National Cheng Kung University Tainan 701 Taiwan Department of Pathology Ditmanson Medical Foundation Chia-Yi Christian Hospital 600 Chiayi Taiwan Department of Cosmetic Science Chia Nan University of Pharmacy and Science Tainan 717 Taiwan Ph.D. Program in Translational Medicine Rong Hsing Research Center for Translational Medicine National Chung Hsing University Taichung 40227 Taiwan

In this study, we used in silico techniques to identify available parasite treatments, representing a promising therapeutic avenue. Building upon our computational initiatives aimed at discovering natural inhibitors for various target enzymes from parasites causing neglected tropical diseases (NTds), we present novel findings on three turmeric-derived phytochemicals as inhibitors of Leishmania pteridine reductase I (PTR1) through in silico methodologies. PTR1, a crucial enzyme in the unique folate metabolism of trypanosomatid parasites, holds established therapeutic significance. Employing MOE software, a molecular docking analysis assesses the efficacy of turmeric phytochemicals against Leishmania PTR1. Validation of the docking protocol is confirmed with an RMSd value of 2. Post-docking, compounds displaying notable interactions with critical residues and binding affinities ranging between −6 and −8 kcal/mol are selected for interaction pattern exploration. Testing twelve turmeric phytochemicals, including curcumin, zingiberene, curcumol, curcumenol, eugenol, bisdemethoxycurcumin, tetrahydrocurcumin, tryethylcurcumin, turmerones, turmerin, demethoxycurcumin, and turmeronols, revealed binding affinities ranging from −5.5 to −8 kcal/mol. Notably, curcumin, demethoxycurcumin, and bisdemethoxycurcumin exhibit binding affinities within −6.5 to −8 kcal/mol and establish substantial interactions with catalytic residues. These phytochemicals hold promise as lead structures for rational drug design targeting Leishmania spp. PTR in future applications. This work underscores the potential of these identified phytochemicals in the development of more effective inhibitors, demonstrating their relevance in addressing neglected tropical diseases caused by parasites. © 2024 The Authors

关键词： Binding affinities Enzyme inhibition In silico techniques Leishmania pteridine reductase I (PTR1) Molecular docking analysis Neglected tropical diseases Parasite treatments Rational drug design Therapeutic potential Turmeric-derived phytochemicals

来源：评论

学校读者我要写书评

暂无评论

Prevalence of hearing loss, tinnitus, vertigo and sudden deafness among patients with polymyositis and dermatomyositis

引用

Scientific Reports 2024年第1期14卷 1-7页

作者： Hung, Shih-Han Xirasagar, Sudha dang, Luong Huu Viet-Nhi, Nguyen-Kieu Cheng, Yen-Fu Chen, Chin-Shyan Lin, Herng-Ching Department of Otolaryngology School of Medicine Taipei Medical University Taipei 110 Taiwan Department of Otolaryngology Wan Fang Hospital Taipei 110 Taiwan International Ph.D. Program in Medicine College of Medicine Taipei Medical University Taipei 110 Taiwan Department of Health Services Policy and Management Arnold School of Public Health University of South Carolina Columbia SC United States Department of Otolaryngology Faculty of Medicine University of Medicine and Pharmacy at Ho Chi Minh City Ho Chi Minh City Viet Nam Department of Medical Research Taipei Veterans General Hospital Taipei Taiwan Department of Otolaryngology-Head and Neck Surgery Taipei Veterans General Hospital Taipei Taiwan Department of Otolaryngology-Head and Neck Surgery School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan Research Center of Data Science on Healthcare Industry College of Management Taipei Medical University Taipei Taiwan Department of Economics National Taipei University New Taipei City Taiwan School of Health Care Administration College of Management Taipei Medical University Taipei Taiwan Research Center of Sleep Medicine Taipei Medical University Hospital Taipei Taiwan

Little is known about a possible association of autoimmune inner ear disease among patients diagnosed with polymyositis (PM)/dermatomyositis (dM). This study aimed to explore differences in the prevalence of inner ear symptoms among patients with and without PM/dM using a nationwide population-based dataset. data for this study were retrieved from the Taiwan National Health Insurance Research database. The study sample included 1622 patients diagnosed with PM/dM and 8109 propensity-score matched comparison patients without PM/dM. We performed multivariate logistic regressions to calculate odds ratios (ORs) and 95% confidence interval (CI) for tinnitus, hearing loss, sudden deafness, and vertigo among patients with PM/dM versus comparison patients. Chi-square tests showed statistically significant differences between patients with PM/dM and comparison patients in the prevalence of tinnitus (16.1% vs. 12.7%, p < 0.001), non-conductive hearing loss (9.2% vs. 6.8%, p < 0.001), and vertigo (14.4% vs. 11.1%, p < 0.001). The adjusted ORs for tinnitus, non-conductive hearing loss, and vertigo, respectively, were 1.332 (95% CI = 1.147–1.547), 1.399 (95% CI = 1.154–1.696), and 1.374 (95% CI = 1.173–1.611) for patients with PM/dM when compared to comparison patients. Our study finds that patients with PM/dM have higher prevalence rates of tinnitus, non-conductive hearing loss, and vertigo than comparison patients. © The Author(s) 2024.

关键词： dermatomyositis Epidemiology Inner ear disorders Polymyositis Tinnitus

来源：评论

学校读者我要写书评

暂无评论

Creatine and l-carnitine attenuate muscular laminopathy in the LMNA mutation transgenic zebrafish

引用

Scientific Reports 2024年第1期14卷 1-19页

作者： Pan, Shao-Wei Wang, Horng-dar Hsiao, He-Yun Hsu, Po-Jui Tseng, Yung-Che Liang, Wen-Chen Jong, Yuh-Jyh Yuh, Chiou-Hwa Institute of Molecular and Genomic Medicine National Health Research Institutes Miaoli Zhunan Taiwan Institute of Biotechnology National Tsing Hua University Hsinchu Taiwan Department of Laboratory Medicine Mackay Memorial Hospital Taipei Taiwan Department of Medical Laboratory Science and Biotechnology Yuanpei University of Medical Technology Hsinchu Taiwan Department of Nursing MacKay Medical College Taipei Taiwan Marine Research Station Institute of Cellular and Organism Biology Academia Sinica I-Lan Taiwan Department of Pediatrics School of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Graduate Institute of Clinical Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Department of Pediatrics Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Translational Research Center of Neuromuscular Diseases Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Department of Laboratory Medicine Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Drug Development and Value Creation Research Center Kaohsiung Medical University Kaohsiung Taiwan Department of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan Institute of Bioinformatics and Structural Biology National Tsing Hua University Hsinchu Taiwan Ph.D. Program in Environmental and Occupational Medicine Kaohsiung Medical University Kaohsiung Taiwan

Lamin A/C gene (LMNA) mutations contribute to severe striated muscle laminopathies, affecting cardiac and skeletal muscles, with limited treatment options. In this study, we delve into the investigations of five distinct LMNA mutations, including three novel variants and two pathogenic variants identified in patients with muscular laminopathy. Our approach employs zebrafish models to comprehensively study these variants. Transgenic zebrafish expressing wild-type LMNA and each mutation undergo extensive morphological profiling, swimming behavior assessments, muscle endurance evaluations, heartbeat measurement, and histopathological analysis of skeletal muscles. Additionally, these models serve as platform for focused drug screening. We explore the transcriptomic landscape through qPCR and RNAseq to unveil altered gene expression profiles in muscle tissues. Larvae of LMNA(L35P), LMNA(E358K), and LMNA(R453W) transgenic fish exhibit reduced swim speed compared to LMNA(WT) measured by danioVision. All LMNA transgenic adult fish exhibit reduced swim speed compared to LMNA(WT) in T-maze. Moreover, all LMNA transgenic adult fish, except LMNA(E358K), display weaker muscle endurance than LMNA(WT) measured by swimming tunnel. Histochemical staining reveals decreased fiber size in all LMNA mutations transgenic fish, excluding LMNA(WT) fish. Interestingly, LMNA(A539V) and LMNA(E358K) exhibited elevated heartbeats. We recognize potential limitations with transgene overexpression and conducted association calculations to explore its effects on zebrafish phenotypes. Our results suggest lamin A/C overexpression may not directly impact mutant phenotypes, such as impaired swim speed, increased heart rates, or decreased muscle fiber diameter. Utilizing LMNA zebrafish models for drug screening, we identify l-carnitine treatment rescuing muscle endurance in LMNA(L35P) and creatine treatment reversing muscle endurance in LMNA(R453W) zebrafish models. Creatine activates AMPK and mTOR pathw

关键词： Creatine l-Carnitine LMNA Striated muscle laminopathy Zebrafish

来源：评论

学校读者我要写书评

暂无评论

Highly efficient capture of E. coli using amidoximated polyacrylonitrile nanofiber membrane immobilized with reactive green 19 dye/polyhexamethylene biguanide: Antibacterial and cytotoxicity studies

引用

Separation and Purification Technology 2024年 338卷

作者： Quang-Vinh Le Bing-Lan Liu Penjit Srinophakun Jeng-Ywan Shih Chi-Yun Wang Chen‑Yaw Chiu Shen-Long Tsai Kuei-Hsiang Chen Yu-Kaung Chang Department of Chemical Engineering National Taiwan University of Science and Technology Taipei City 10607 Taiwan Department of Applied Chemistry Chaoyang University of Technology Taichung 413310 Taiwan Department of Chemical Engineering Kasetsart University 50 Ngamwongwan Road Chatuchak Bangkok 10900 Thailand Department of Chemical Engineering Ming Chi University of Technology New Taipei City 243303 Taiwan International Ph.D. Program in Innovative Technology of Biomedical Engineering and Medical Devices Ming Chi University of Technology New Taipei City 243303 Taiwan Bone and Joint Research Centre Chang Gung Memorial Hospital Taoyuan City 333423 Taiwan Department of Chemical Engineering and Materials Science Yuan Ze University Zhongli Dist. Taoyuan City 320315 Taiwan

In this study, we synthesized an amidoximated polyacrylonitrile nanofiber membrane (P-Oxime). Subsequently, we grafted reactive green 19 (RG19) dye onto its surface, resulting in the formation of the P-Oxime-RG19 membrane. Further enhancement was achieved by physically attaching poly(hexamethylene biguanide) hydrochloride (phMB) to the P-Oxime-RG19 membrane, leading to the formation of the P-Oxime-RG19-phMB membrane. Extensive characterization of the nanofiber membranes was conducted, focusing on crucial physical and mechanical properties such as functional group content, morphology, and thermostability. The optimization of various modification conditions, including initial dye and phMB concentrations, duration, temperature, and nitrile group conversion to oxime concentrations, played a pivotal role in achieving superior antibacterial performance in P-Oxime-RG19-phMB nanofiber membranes. In-depth analyses involved the application of kinetic and equilibrium thermodynamic models to unravel the modification processes of RG19 dye and phMB in the nanofiber membranes. Under the carefully tuned optimal modification conditions, the P-Oxime-RG19-phMB nanofiber membrane exhibited remarkable antibacterial efficacy, achieving nearly 100% disinfection of E. coli . In addition to exploring its antimicrobial capabilities, we thoroughly examined the repeatability and biocompatibility of the nanofiber membranes. The results indicated not only the P-Oxime-RG19-phMB nanofiber membrane was a highly promising antibacterial material but also highlighted its potential for diverse applications, particularly in food and textile fabrication, owing to its exceptional performance and suitability.

关键词：

来源：评论

学校读者我要写书评

暂无评论

The biocompatibility and hemostatic efficacy of silk fibroin nanofibrils fabricated by Shear-Induced phase separation process

引用

Chemical Engineering Journal 2023年 474卷

作者： Lu, Po-Wen Wu, Yu-Tzu Chang, Liang-Yu Lu, Tzu-Wei Jaihao, Chonlachat Huang, Ching-Shuan Murphy Chuang, Mo-Fei Lin, Chunche Chen, Innie Brangule, Agnese Zarkov, Aleksej Kareiva, Aivaras Yang, Jen-Chang Graduate Institute of Biomedical Materials and Tissue Engineering College of Biomedical Engineering Taipei Medical University Taipei11052 Taiwan Division of Gastroenterology and Hepatology Department of Internal Medicine Shuang Ho Hospital Taipei Medical University Zhongzheng Rd. Taipei Zhonghe23561 Taiwan Graduate Institute of Nanomedicine and Medical Engineering College of Biomedical Engineering Taipei Medical University 250 Wu-Hsing Street Taipei11031 Taiwan Department of Dentistry Taipei Medical University Hospital Taipei11031 Taiwan Institute of Organic and Polymeric Materials National Taipei University of Technology Taipei106344 Taiwan Research and Development Center for Smart Textile Technology National Taipei University of Technology Taipei106344 Taiwan Innie Chen Department of Obstetrics and Gynecology University of Ottawa OttawaONK1H 7W9 Canada Department of Pharmaceutical Chemistry Riga Stradins University RīgaLV-1007 Latvia Institute of Chemistry Vilnius University Naugarduko 24 VilniusLT-03225 Lithuania International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Research Center of Biomedical Device Taipei Medical University Taipei11031 Taiwan Research Center of Digital Oral Science and Technology Taipei Medical University Taipei11031 Taiwan

The objectives of this study were to investigate the biocompatibility and hemostatic efficacy of silk fibroin nanofibrils (SFNFs). Unlike a conventional dialysis/freeze-drying process, SFNFs were prepared using a novel shear-induced phase-separation method. The morphology, particle size distribution, protein secondary structures, and crystalline structures of the resulting SFNFs were respectively investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), laser diffraction (Ld), Fourier-transform infrared (FTIR) spectroscopy, and x-ray diffraction (XRd) deconvolution analyses. Polar and non-polar extractants of SFNFs under a bath ratio of 0.2 g/mL were collected after individually soaking them into 0.9% normal saline and cottonseed oil. In vitro hemolysis ratios, biocompatibility, and sensitization tests were carried out. Then, the hemostatic efficacy was assayed using a rat liver punch biopsy model. Compared to dialyzed/freeze-dried SF, the harvested SFNFs revealed high surface area in morphology. The median particle size distribution, d50, was 294 μm for SFNFs. Shear-induced hydrogen bonding, crystallization, and phase separation tended to give the SFNFs a high crystalline index (CI) and degree of crystallinity (dC). The hemolysis ratio of SFNFs was 0.86 ± 0.40%, and it was classified as being non-hemolytic (0%∼2%). The test results of toxicity and skin sensitization were both negative. The hemostasis time for SFNFs (2.8 ± 0.6 min) was statistically less than that of oxidized cellulose (4.3 ± 0.9 min) (p © 2023 Elsevier B.V.

关键词： Biocompatibility

来源：评论

学校读者我要写书评

暂无评论

Glycyrrhizic acid conjugates with amino acid methyl esters target the main protease, exhibiting antiviral activity against wild-type and nirmatrelvir-resistant SARS-CoV-2 variants

引用

Antiviral research 2024年 227卷 105920页

作者： Uyen Nguyen phuong Le Yu-Jen Chang Chih-Hao Lu Yeh Chen Wen-Chi Su Shao-Ting Chao Lia A Baltina Svetlana F Petrova Sin-Rong Li Mien-Chie Hung Michael M C Lai Lidia A Baltina Cheng-Wen Lin Graduate Institute of Biological Science and Technology China Medical University Taichung Taiwan Department of Medical Laboratory Science and Biotechnology China Medical University Taichung Taiwan. The Ph.D. Program of Biotechnology and Biomedical Industry China Medical University Taichung Taiwan. The Ph.D. Program of Biotechnology and Biomedical Industry China Medical University Taichung Taiwan Institute of Bioinformatics and Systems Biology National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan. Department of Food Science and Biotechnology National Chung Hsing University Taichung 402 Taiwan. Graduate Institute of Biomedical Sciences China Medical University Taichung Taiwan. Ufa Institute of Chemistry Ufa Federal Research Center of the Russian Academy of Sciences Russia. Department of Laboratory Medicine China Medical University Hospital Taichung 404327 Taiwan. Research Center for Cancer Biology China Medical University Taichung 404327 Taiwan Center for Molecular Medicine China Medical University Hospital Taichung 404327 Taiwan. Institute of Molecular Biology Academia Sinica Taipei 115201 Taiwan. Ufa Institute of Chemistry Ufa Federal Research Center of the Russian Academy of Sciences Russia. Electronic address: baltina@anrb.ru. Department of Medical Laboratory Science and Biotechnology China Medical University Taichung Taiwan Graduate Institute of Biomedical Sciences China Medical University Taichung Taiwan Department of Medical Laboratory Science and Biotechnology Asia University Taichung Taiwan. Electronic address: cwlin@mail.cmu.edu.tw.

COVId-19 pandemic is predominantly caused by SARS-CoV-2, with its main protease, Mpro, playing a pivotal role in viral replication and serving as a potential target for inhibiting different variants. In this study, potent Mpro inhibitors were identified from glycyrrhizic acid (GL) derivatives with amino acid methyl/ethyl esters. Out of the 17 derivatives semisynthesized, Compounds 2, 6, 9, and 15, with methionine methyl esters, d-tyrosine methyl esters, glutamic acid methyl esters, and methionines in the carbohydrate moiety, respectively, significantly inhibited wild-type SARS-CoV-2 Mpro-mediated proteolysis, with IC50 values ranging from 0.06 μM to 0.84 μM. They also demonstrated efficacy in inhibiting trans-cleavage by mutant Mpro variants (Mpro_P132H, Mpro_E166V, Mpro_P168A, Mpro_Q189I), with IC50 values ranging from 0.05 to 0.92 μM, surpassing nirmatrelvir (IC50: 1.17-152.9 μM). Molecular modeling revealed stronger interactions with Valine166 in the structural complex of Mpro_E166V with the compounds compared to nirmatrelvir. Moreover, these compounds efficiently inhibited the post-entry viral processes of wild-type SARS-CoV-2 single-round infectious particles (SRIPs), mitigating viral cytopathic effects and reducing replicon-driven GFP reporter signals, as well as in vitro infectivity of wild-type, Mpro_E166V, and Mpro_Q189I SRIPs, with EC50 values ranging from 0.02 to 0.53 μM. However, nirmatrelvir showed a significant decrease in inhibiting the replication of mutant SARS-CoV-2 SRIPs carrying Mpro_E166V (EC50: >20 μM) and Mpro_Q189I (EC50: 13.2 μM) compared to wild-type SRIPs (EC50: 0.06 μM). Overall, this study identifies four GL derivatives as promising lead compounds for developing treatments against various SARS-CoV-2 strains, including Omicron, and nirmatrelvir-resistant variants.

关键词： Glycyrrhizic acid derivative Inhibitor Mpro Nirmatrelvir-resistant variant Omicron SARS-CoV-2

来源：评论

学校读者我要写书评

暂无评论

Calycosin Enhances Heat Shock Related-Proteins in H9c2 Cells to Modulate Survival and Apoptosis against Heat Shock

引用

The American journal of Chinese medicine 2024年第4期52卷 1173-1193页

作者： Pei-Fang Lai Ramasamy Mahendran Bruce Chi-Kang Tsai Cheng-You Lu Chia-Hua Kuo Kuan-Ho Lin Shang-Yeh Lu Yu-Ling Wu Yung-Ming Chang Wei-Wen Kuo Chih-Yang Huang Department of Emergency Medicine Hualien Tzu Chi Hospital Buddhist Tzu Chi Medical Foundation Hualien 970 Taiwan. Department of Medicine Tzu Chi University Hualien 970 Taiwan. Cardiovascular and Mitochondrial Related Disease Research Center Hualien Tzu Chi Hospital Buddhist Tzu Chi Medical Foundation Hualien 970 Taiwan. Department of Post-Baccalaureate Medicine College of Medicine National Chung Hsing University Taichung 402 Taiwan. Laboratory of Exercise Biochemistry University of Taipei Taipei 111 Taiwan. Institute of Sports Sciences University of Taipei Taipei 111 Taiwan. School of Physical Education and Sports Science Soochow University Suzhou 215021 China. Department of Kinesiology and Health College of William and Mary Williamsburg VA 23185 USA. Department of Emergency Medicine China Medical University Hospital Taichung 404 Taiwan. College of Medicine China Medical University Taichung 406 Taiwan. Division of Cardiovascular Medicine Department of Internal Medicine China Medical University Hospital Taichung 404 Taiwan. The School of Chinese Medicine for Post-Baccalaureate I-Shou University 840 Kaohsiung Taiwan. Chinese Medicine Department E-DA Hospital Kaohsiung 824 Taiwan. 1PT Biotechnology Co. Ltd. Taichung 433 Taiwan. Department of Biological Science and Technology College of Life Sciences China Medical University Taichung 406 Taiwan. Ph.D. Program for Biotechnology Industry China Medical University Taichung 406 Taiwan. School of Pharmacy China Medical University Taichung 406 Taiwan. Graduate Institute of Biomedical Sciences China Medical University Taichung 406 Taiwan. Department of Medical Laboratory Science and Biotechnology Asia University Taichung 413 Taiwan. Center of General Education Buddhist Tzu Chi Medical Foundation Tzu Chi University of Science and Technology Hualien 970 Taiwan. Department of Medical Research China Medical University Hospital China Medical University Taichung 404 Taiwan.

Heat shock proteins (HSPs), which function as chaperones, are activated in response to various environmental stressors. In addition to their role in diverse aspects of protein production, HSPs protect against harmful protein-related stressors. Calycosin exhibits numerous beneficial properties. This study aims to explore the protective effects of calycosin in the heart under heat shock and determine its underlying mechanism. H9c2 cells, western blot, TUNEL staining, flow cytometry, and immunofluorescence staining were used. The time-dependent effects of heat shock analyzed using western blot revealed increased HSP expression for up to 2[Formula: see text]h, followed by protein degradation after 4[Formula: see text]h. Hence, a heat shock damage duration of 4[Formula: see text]h was chosen for subsequent investigations. Calycosin administered post-heat shock demonstrated dose-dependent recovery of cell viability. Under heat shock conditions, calycosin prevented the apoptosis of H9c2 cells by upregulating HSPs, suppressing p-JNK, enhancing Bcl-2 activation, and inhibiting cleaved caspase 3. Calycosin also inhibited Fas/FasL expression and activated cell survival markers (p-PI3K, p-ERK, p-Akt), indicating their cytoprotective properties through PI3K/Akt activation and JNK inhibition. TUNEL staining and flow cytometry confirmed that calycosin reduced apoptosis. Moreover, calycosin reversed the inhibitory effects of quercetin on HSF1 and Hsp70 expression, illustrating its role in enhancing Hsp70 expression through HSF1 activation during heat shock. Immunofluorescence staining demonstrated HSF1 translocation to the nucleus following calycosin treatment, emphasizing its cytoprotective effects. In conclusion, calycosin exhibits pronounced protective effects against heat shock-induced damages by modulating HSP expression and regulating key signaling pathways to promote cell survival in H9c2 cells.

关键词： Astragalus Membranaceus Calycosin Cardiomyocyte Heart Protection Heat Shock Heat Shock-Related Protein

来源：评论

学校读者我要写书评

暂无评论

Meta-analysis study of the therapeutic impact of Mesenchymal stem cells derived exosomes for chronic kidney diseases

引用

Biochemistry and Biophysics Reports 2025年 43卷 102072页

作者： Himanshu Gunjan Pandey, Ramendera Pati Mukherjee, Riya Chang, Chung-Ming Graduate Institute of Biomedical Sciences Chang Gung University No. 259 Wenhua 1st Road Guishan District Taoyuan City 33302 Taiwan Master & Ph.D. Program in Biotechnology Industry Chang Gung University No. 259 Wenhua 1st Road Guishan District Taoyuan City 33302 Taiwan School of Health Sciences and Technology (SoHST) UPES Bidholi Uttarakhand Dehradun 248007 India Department of Biotechnology and Microbiology SRM University Delhi-NCR Haryana Sonepat India Department of Medical Biotechnology and Laboratory Science Chang Gung University No. 259 Wenhua 1st Road Guishan District Taoyuan City 33302 Taiwan

Mesenchymal stem cell-derived exosomes (EXOs) represent a promising avenue for treating chronic kidney diseases (CKd), though their precise impact remains somewhat elusive. To address this gap, we conducted a systematic analysis, scouring databases and clinical trial repositories for relevant studies from 2019 to 2023. Seventeen papers were meticulously selected for their focus on mesenchymal stem cell-derived exosomes (MSC-EXOs) and their potential in CKd treatment. Our comprehensive meta-analysis, incorporating 15 preclinical and 6 clinical studies, underscores the efficacy of MSC-EXOs in improving renal function while attenuating tubular injury, inflammation, apoptosis, collagen deposition, and renal fibrosis. Notably, post-treatment with MSC-EXOs exhibited significant associations with various CKd markers, with pooled proportions indicating a considerable impact on blood urea nitrogen (BUN) and serum creatinine (SCR) levels. Subgroup analyses based on animal models further elucidated heterogeneity within the studies. In conclusion, MSC-EXOs demonstrate promise in enhancing renal function and reducing CKd risk, as evidenced by both preclinical and clinical data. Their efficacy in lowering SCR and BUN levels while enhancing filtration rate suggests MSC-EXOs as a viable and secure alternative to cell-based therapies, thereby providing valuable insights for personalized CKd treatments despite inherent limitations. © 2025 The Authors

关键词： Chronic kidney diseases Exosome Mesenchymal stem cells Meta-analysis Renal fibrosis

来源：评论

学校读者我要写书评

暂无评论

Combining virtual screening with cis-/trans-cleavage enzymatic assays effectively reveals broad-spectrum inhibitors that target the main proteases of SARS-CoV-2 and MERS-CoV

引用

Antiviral research 2023年 216卷 105653页

作者： Yu-Jen Chang Uyen Nguyen phuong Le Jia-Jun Liu Sin-Rong Li Shao-Ting Chao Hsueh-Chou Lai Yu-Feng Lin Kai-Cheng Hsu Chih-Hao Lu Cheng-Wen Lin The Ph.D. Program of Biotechnology and Biomedical Industry China Medical University Taichung Taiwan. Department of Medical Laboratory Science and Biotechnology China Medical University Taichung Taiwan Graduate Institute of Biological Sciences and Technology China Medical University Taichung Taiwan. Graduate Institute of Biomedical Sciences China Medical University Taichung Taiwan. Department of Laboratory Medicine China Medical University Hospital Taichung Taiwan. Department of Medical Laboratory Science and Biotechnology China Medical University Taichung Taiwan. Division of Hepato-Gastroenterology Department of Internal Medicine China Medical University Hospital Taichung Taiwan. Department of Medical Laboratory Science and Biotechnology Asia University Taichung Taiwan. Graduate Institute of Cancer Biology and Drug Discovery Taipei Medical University Taipei Taiwan. The Ph.D. Program of Biotechnology and Biomedical Industry China Medical University Taichung Taiwan Institute of Bioinformatics and Systems Biology National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan. Electronic address: chlu@nycu.edu.tw. Graduate Institute of Biological Sciences and Technology China Medical University Taichung Taiwan Graduate Institute of Biomedical Sciences China Medical University Taichung Taiwan Department of Medical Laboratory Science and Biotechnology Asia University Taichung Taiwan. Electronic address: cwlin@mail.cmu.edu.tw.

The main protease (M) of SARS-CoV-2 is essential for viral replication, which suggests that the M is a critical target in the development of small molecules to treat COVId-19. This study used an in-silico prediction approach to investigate the complex structure of SARS-CoV-2 M in compounds from the United States National Cancer Institute (NCI) database, then validate potential inhibitory compounds against the SARS-CoV-2 M in cis- and trans-cleavage proteolytic assays. Virtual screening of ∼280,000 compounds from the NCI database identified 10 compounds with highest site-moiety map scores. Compound NSC89640 (coded C1) showed marked inhibitory activity against the SARS-CoV-2 M in cis-/trans-cleavage assays. C1 strongly inhibited SARS-CoV-2 M enzymatic activity, with a half maximal inhibitory concentration (IC) of 2.69 μM and a selectivity index (SI) of >74.35. The C1 structure served as a template to identify structural analogs based on AtomPair fingerprints to refine and verify structure-function associations. M-mediated cis-/trans-cleavage assays conducted with the structural analogs revealed that compound NSC89641 (coded d2) exhibited the highest inhibitory potency against SARS-CoV-2 M enzymatic activity, with an IC of 3.05 μM and a SI of >65.57. Compounds C1 and d2 also displayed inhibitory activity against MERS-CoV-2 with an IC of <3.5 μM. Thus, C1 shows potential as an effective M inhibitor of SARS-CoV-2 and MERS-CoV. Our rigorous study framework efficiently identified lead compounds targeting the SARS-CoV-2 M and MERS-CoV M.

关键词： In-silico prediction MERS-CoV Main protease National cancer institute database SARS-CoV-2 cis-/trans-cleavage assay

来源：评论

学校读者我要写书评

暂无评论

Secondhand smoke increases the risk of developing chronic obstructive pulmonary disease

引用

Scientific Reports 2024年第1期14卷 1-9页

作者： Su, Wen-Chi Juan, Huai-Lei Lee, Jia-In Huang, Shu-Pin Chen, Szu-Chia Geng, Jiun-Hung Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Department of Internal Medicine Kaohsiung Municipal Siaogang Hospital Kaohsiung Medical University Kaohsiung Taiwan Division of Pulmonary and Critical Care Medicine Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Department of Psychiatry Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Graduate Institute of Clinical Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Department of Urology Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Ph.D. Program in Environmental and Occupational Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Institute of Medical Science and Technology College of Medicine National Sun Yat-Sen University Kaohsiung Taiwan Division of Nephrology Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan Faculty of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan Research Center for Environmental Medicine Kaohsiung Medical University Kaohsiung Taiwan Department of Urology Kaohsiung Municipal Siaogang Hospital No. 482 Shanming Rd Xiaogang District Kaohsiung City 812 Taiwan

Smoking is the most important risk factor for chronic obstructive pulmonary disease (COPd), however evidence from large-scale studies on whether secondhand smoke (SHS) increases the risk of COPd is still lacking. We conducted this large longitudinal study to investigate the association between SHS and the development of COPd. This is a longitudinal study. data on 6519 subjects who were never-smokers, had no history of COPd, and had complete lung function records were extracted from the Taiwan Biobank. They were divided into two groups according to SHS exposure: no exposure and exposure groups. data were collected when participants enrolled in the study and during regular follow-up. Cox proportional hazards regression models were used to estimate the relative risk (RR) and 95% confidence interval (CI) for the association between SHS and the risk of developing COPd. At 48 months of follow-up, 260 (4%) participants in the no exposure group and 34 (7%) participants in the exposure group developed COPd. The RR of incident COPd development was significantly higher in the exposure group than that in the no exposure group after adjusting for confounders (RR = 1.49;95% CI 1.04 to 2.14;P value = 0.031). There is a dose–response relationship between the duration of exposure to SHS and the risk of incident COPd, which demonstrates that an additional hour of exposure to SHS per week was associated with a 1.03-fold increased likelihood of developing COPd after adjusting for confounders (RR = 1.03;95% CI 1.00 to 1.05;P value = 0.027). SHS exposure contributes to the development of COPd. This finding can help raise awareness of the harms of SHS and provide a reference for formulating anti-smoking policies. © The Author(s) 2024.

关键词：

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：