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Exploring the druggability of the UEV domain of human TSG101 in search for broad-spectrum antivirals.
Protein Sci
January 2025
Department of Physical Chemistry, Institute of Biotechnology, and Unit of Excellence in Chemistry Applied to Biomedicine and Environment, School of Sciences, University of Granada, Granada, Spain.
The ubiquitin E2 variant domain of TSG101 (TSG101-UEV) plays a pivotal role in protein sorting and virus budding by recognizing PTAP motifs within ubiquitinated proteins. Disruption of TSG101-UEV/PTAP interactions has emerged as a promising strategy for the development of host-oriented broad-spectrum antivirals with low susceptibility to resistance. TSG101 is a challenging target characterized by an extended and flat binding interface, low affinity for PTAP ligands, and complex binding energetics.
View Article and Find Full Text PDFThe review article conducts an in-depth analysis of information gleaned from a comprehensive literature search across Scopus, Web of Science, and MedLine databases. The focal point of this search revolves around the identification and exploration of the mechanisms orchestrated by host cell factors in the replication cycle of the human immunodeficiency virus (HIV-1, Retroviridae: ). The article delves into two primary categories of proteins, namely HIV dependence factors (such as CypA, LEDGF, TSG101) and restriction factors (including SERINС5, TRIM5α, APOBEC3G), providing illustrative examples.
View Article and Find Full Text PDFHuman umbilical cord mesenchymal stem cell-derived exosomes promote microcirculation in aged diabetic mice by TGF-β1 signaling pathway.
Diabetol Metab Syndr
November 2023
Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
Background: Microvascular dysfunction is one of the most common pathological characteristics in Type 2 diabetes. Human mesenchymal stem cell-derived exosomes (hUCMSCs-Exo) have diverse functions in improving microcirculation; however, the molecular mechanism of hUCMSCs-Exo in regulating burn-induced inflammation is not well understood.
Methods: hUCMSCs-Exo were extracted by hypervelocity centrifugation method, and exosome morphology was observed by transmission electron microscopy, exosome diameter distribution was detected by particle size analysis, and exosome specific proteins were identified by Western blot.
Exosomes as a delivery tool of exercise-induced beneficial factors for the prevention and treatment of cardiovascular disease: a systematic review and meta-analysis.
Front Physiol
September 2023
Department of Sports and Health, Guangzhou Sport University, Guangzhou, China.
Exercise-derived exosomes have been identified as novel players in mediating cell-to-cell communication in the beneficial effects of improving cardiovascular disease (CVD). This review aimed to systematically investigate exosomes as delivery tools for the benefits of exercise in the prevention and treatment of CVD and summarize these outcomes with an overview of their therapeutic implications. Among the 1417 articles obtained in nine database searches (PubMed, EBSCO, Embase, Web of Science, CENTRAL, Ovid, Science Direct, Scopus, and Wiley), 12 articles were included based on eligibility criteria.
View Article and Find Full Text PDFUrinary protein biomarkers based on LC-MS/MS analysis to discriminate vascular dementia from Alzheimer's disease in Han Chinese population.
Front Aging Neurosci
January 2023
Department of Geriatrics, Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
Objective: This study aimed to identify the potential urine biomarkers of vascular dementia (VD) and unravel the disease-associated mechanisms by applying Liquid chromatography tandem-mass spectrometry (LC-MS/MS).
Methods: LC-MS/MS proteomic analysis was applied to urine samples from 3 groups, including 14 patients with VD, 9 patients with AD, and 21 normal controls (NC). By searching the MS data by Proteome Discoverer software, analyzing the protein abundances qualitatively and quantitatively, comparing between groups, combining bioinformatics analysis using Gene Ontology (GO) and pathway crosstalk analysis using Kyoto Encyclopedia of Genes and Genomes (KEGG), and literature searching, the differentially expressed proteins (DEPs) of VD can be comprehensively determined at last and were further quantified by receiver operating characteristic (ROC) curve methods.
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