Dataset Information

The Diverse Roles of the Mucin Gene Cluster Located on Chromosome 11p15.5 in Colorectal Cancer.

ABSTRACT: Colorectal cancer (CRC), the third most common malignant tumor in the world, shows multiple complex and pathologies based on the impaired structure and function of the intestinal mucosal barrier. Goblet cells secrete mucins, which are involved in the formation of the intestinal mucosal barrier and not only lubricate and protect the intestinal mucosa but also participate in the processes of cell adhesion, intercellular signal transduction, and immune regulation. It is accepted that the disordered expression and dysfunction of mucins are associated with the occurrence and development of CRC. This article focuses on the secretory mucins encoded by a gene cluster located on chromosome 11p15.5 and systematically reviews their composition, regulation, function, and role in CRC, to deepen the understanding of the pathogeneses of CRC and to provide a new basis and ideas for the treatment of CRC.

SUBMITTER: Gan GL

PROVIDER: S-EPMC7338833 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

The Diverse Roles of the Mucin Gene Cluster Located on Chromosome 11p15.5 in Colorectal Cancer.

Gan Guo-Lian GL Liu Jing J Chen Wen-Jia WJ Ye Qian-Qian QQ Xu Ya Y Wu Hua-Tao HT Li Wei W

Frontiers in cell and developmental biology 20200630

Colorectal cancer (CRC), the third most common malignant tumor in the world, shows multiple complex and pathologies based on the impaired structure and function of the intestinal mucosal barrier. Goblet cells secrete mucins, which are involved in the formation of the intestinal mucosal barrier and not only lubricate and protect the intestinal mucosa but also participate in the processes of cell adhesion, intercellular signal transduction, and immune regulation. It is accepted that the disordered ...[more]

PMID: 32695780

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Project description:The objective of Human Y Chromosome Proteome Project is to map and annotate all proteins encoded by genes on the MSY sequences. Lysine (K)-specific demethylase 5D (KDM5D) is located on the AZFb region of Y chromosome and encode for a JmjC-domain-containing protein. Changes in KDM5D transcript level in prostate cancer have shown in various studies. To investigation the function of KDM5D in prostate cancer, we knocked down the expression of KDM5D in human prostate cancer cell (DU-145) using siRNA approach. Down-regulation of KDM5D was confirmed by qRT-PCR and western-blot analyses. Cell cycle analysis and MTS assay revealed that down-regulation of KDM5D induces cell proliferation. Furthermore, we observed that KDM5D down-regulation could effectively decrease apoptosis, as measured by the propidium iodide flow cytometric assay. To further our study, we investigated the dynamic of KDM5D protein network using shotgun label free quantitative proteomics approach in knockdown and control cell line. In summary, 102 down-regulated and 107 up-regulated proteins were detected from 894 total proteins. Up-regulated proteins mainly activated ribosome biogenesis whereas down-regulated genes were mainly involved in proteolysis, cell death and metabolic process. The result raw files were converted to mzXML format and processed through the global proteome machine (GPM) software (version 2.1.1) of the X!Tandem algorithm (freely available at http://www.thegpm.org). The 16 gel fractions were processed serially for each experiment and the output files were generated as non-redundant, merged files with protein identifications with log (e) values less than -1, for each individual gel fraction. A protein database compiled from NCBI (Homo sapien) was used in GPM to search the tandem mass spectra; the database also included common trypsin and human peptide contaminants. False discovery rates (FDR) were evaluated by searching against a reversed sequence database. Search parameters included MS and MS/MS tolerances of +2 Da and +0.2 Da, carbamidomethylation of cysteine as fixed modifications, oxidation of methionine as variable modifications and tolerance of two missed tryptic cleavages and K/R-P cleavages.

Dataset Information

The Diverse Roles of the Mucin Gene Cluster Located on Chromosome 11p15.5 in Colorectal Cancer.

Publications

The Diverse Roles of the Mucin Gene Cluster Located on Chromosome 11p15.5 in Colorectal Cancer.

Similar Datasets

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