Evidence map›Paper›PMID 40395202›Full record

ArticleTechnology in cancer research & treatment

The Expression Characteristics of the RBFOX1 Gene in Colorectal Cancer.

Jian Li, Youheng Wang, Jian Xu, Min Niu, Songlin Wan, Yi Liu, Zhao Ding, Guangchun Li, Qun Qian, Daojiang Li

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Article in Technology in cancer research & treatment. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Jian LiDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Youheng WangDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Jian XuDepartment of Pathology of Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, China.
Min NiuOperating Room of Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, China.
Songlin WanDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Yi LiuDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Zhao DingDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Guangchun LiDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Qun QianDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.
Daojiang LiDepartment of Colorectal and Anal Surgery, Zhongnan Hospital of Wuhan University.ORCID 0009-0007-1123-5023

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

IntroductionCopy number variation is a significant characteristic of colorectal cancer progression. RBFOX1 (A2BP1) is the gene with the highest frequency of copy number loss in colorectal cancer, but current research related to it and colorectal cancer is relatively scarce.MethodsData from TCGA and other sources were used to analyze the copy number variation and mRNA expression levels of RBFOX1, as well as their correlation with clinical pathological data. Immunohistochemistry and immunofluorescence experiments were used to analyze the expression of RBFOX1 protein in colorectal cancer cells and tissues.ResultsRBFOX1 has a high frequency (22.4%) of copy number loss and diverse copy number variations in colorectal cancer tissues. High-level RBFOX1 deletion is prone to occur in the right-sided colon and tissues with high microsatellite instability. The copy number variation of RBFOX1 and mRNA expression are not correlated. In tumor tissues, RBFOX1 mRNA shows a characteristic of reduced expression, which is significantly related to BRAF mutation (P = 4.7e-05, P = 0.03). Low expression of RBFOX1 is prone to occur in the right-sided colon and tissues with high microsatellite instability. The protein encoded by RBFOX1 is expressed in normal intestinal tissues, but shows a characteristic of absence in some colorectal cancer tissues.ConclusionIn the right-sided colon and tissues with high microsatellite instability, RBFOX1 shows copy number loss and low mRNA expression. This characteristic is closely related to BRAF gene mutation, and the protein of RBFOX1 is absent in some colorectal cancer tissues.

Indexed as

Biomarkers, TumorColorectal NeoplasmsGene Expression Regulation, NeoplasticRNA Splicing FactorsDNA Copy Number VariationsFemaleHumansMaleMicrosatellite InstabilityMiddle AgedMutationRNA, MessengerBiomarkers, TumorRBFOX1 protein, humanRNA, MessengerRNA Splicing Factorscolorectal cancercopy number losscopy number variationRBFOX1

Identifiers

PMID40395202
PMCPMC12099144

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