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Mass spectrometry based proteomics profiling of human monocytes

Protein & Cell 2017年第2期8卷 123-133页

作者： Yong Zeng Fei-Yan Deng Wei Zhu Lan Zhang Hao He Chao Xu Qing Tian Ji-Gang Zhang Li-Shu Zhang Hong-Gang Hu Hong-Wen Deng College of Life Sciences and Bioengineering Beijing Jiaotong University Beijing 100044 China Center of Bioinformatics and Genomics Tulane University School of Public Health and Tropical Medicine New Orleans LA 70112 USA College of Life Sciences Hunan Normal University Changsha 410081 China Laboratory of Proteins and Proteomics Department of Epidemiology Soochow University School of Public Health Suzhou 205123 China

human monocyte is an important cell type which is involved in various complex human diseases. To better understand the biology of human monocytes and facilitate further studies, we developed the first comprehensive proteome knowledge base specifically for human monocytes by integrating both in vivo and in vitro datasets. The top 2000 expressed genes from in vitro datasets and 779 genes from in vivo experiments were integrated into this study. Altogether, a total of 2237 unique monocyte-expressed genes were cataloged. Biological functions of these monocyte-expressed genes were annotated and classified via Gene Ontology （GO） analysis. Furthermore, by extracting the overlapped genes from in vivo and in vitro datasets, a core gene list including 541 unique genes was generated. Based on the core gene list, further gene-disease associations, pathway and network analyses were performed. Data analyses based on multiple bioinformatics tools produced a large body of biologically meaningful information, and revealed a number of genes such as SAMHDI, G6PD, GPD2 and EN01, which have been reported to be related to immune response, blood biology, bone remodeling, and cancer respectively. As a unique resource, this study can serve as a reference map for future in-depth research on monocytes biology and monocyte-involved human diseases.

关键词： human monocytes proteomics knowledgebase gene ontology gene-disease association network analysis

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Inhibition of matrix metalloproteinase-9 secretion by dimethyl sulfoxide and cyclic adenosine monophosphate in human monocytes

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World Journal of Biological Chemistry 2021年第1期12卷 1-14页

作者： Darcy R Denner Maria LD Udan-Johns Michael R Nichols Department of Chemistry and Biochemistry University of Missouri-St.LouisSt LouisMO 63121United States

BACKGROUND Matrix metalloproteinases(MMPs),including MMP-9,are an integral part of the immune response and are upregulated in response to a variety of *** details continue to emerge concerning the mechanistic and regulatory pathways that mediate MMP-9 *** is significant evidence for regulation of inflammation by dimethyl sulfoxide(DMSO)and 3',5'-cyclic adenosine monophosphate(cAMP),thus investigation of how these two molecules may regulate both MMP-9 and tumor necrosis factorα(TNFα)secretion by human monocytes was of high *** hypothesis tested in this study was that DMSO and cAMP regulate MMP-9 and TNFαsecretion by distinct *** To investigate the regulation of lipopolysaccharide(LPS)-stimulated MMP-9 and tumor necrosis factorαsecretion in THP-1 human monocytes by dimethyl sulfoxide and *** The paper describes a basic research study using THP-1 human monocyte *** experiments were conducted at the University of *** in the Department of Chemistry and *** monocyte cells were grown,cultured,and prepared for experiments in the University of *** Cell Culture Facility as per accepted *** were treated with LPS for selected exposure times and the conditioned medium was collected for analysis of MMP-9 and TNFα*** including DMSO,cAMP regulators,and anti-TNFαantibody were added to the cells prior to LPS ***-9 secretion was analyzed by gel electrophoresis/western blot and quantitated by ImageJ ***αsecretion was analyzed by enzyme-linked immuno sorbent *** data is presented as the average and standard error for at least 3 *** analysis was done using a two-tailed paired Student t-test.P values less than 0.05 were considered significant and designated as such in the *** and cAMP regulators were from Sigma-Aldrich,MMP-9 standard and antibody and TNFαantibodies were from R&D Systems,and amyloid-βpeptide was fro

关键词： Matrix metalloproteinase-9 Inflammation human monocytes Tumor necrosis factor alpha Cyclic adenosine monophosphate Dimethyl sulfoxide

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TLR8： the forgotten relative revindicated

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Cellular & Molecular Immunology 2012年第6期9卷 434-438页

作者： Jorge L Cervantes Bennett Weinerman Chaitali Basole Juan C Salazar Department of Pediatrics Immunology University of Connecticut Health Center Farmington CT USA Division of Pediatric Infectious Diseases Connecticut Children's Medical Center Hartford USA Parmington CT 06030 USA

The endosomal Toll-like receptors （TLRs） TLR3, TLR7, TLR8 and TLR9 are important in sensing foreign nucleic acids encountered by phagocytes. Because TLR8 was initially thought to be non-functional in mice, less is known about TLR8 than the genetically and functionally related TLR7. Originally associated with the recognition of single-stranded RNA of viral origin, there is now evidence that human TLR8 is also able to sense bacterial RNA released within phagosomal vacuoles, inducing the production of both nuclear factor （NF）-κB-dependent cytokines and type I interferons （IFNs）, such as IFN-β. The functions of TLR8 extend beyond the recognition of foreign pathogens and include cross-talk with other endosomal TLRs, a process that may also have a role in the generation of autoimmunity.

关键词： human monocytes TLR8 type I interferon

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