The Partial Role of KLF4 and KLF5 in Gastrointestinal Tumors

Overview

Journal Gastroenterol Res Pract

Publisher Wiley

Specialty Gastroenterology

Date 2021 Aug 9

PMID 34367275

Citations 7

Authors

Jun-Chen Li

Qiu-Han Chen

Rui Jian

Jiang-Rong Zhou

Yun Xu

Fang Lu

Jun-Qiao Li

Hao Zhang

Affiliations

Soon will be listed here.

Abstract

Background: KLF4 and KLF5 are members of the KLF transcription factor family, which play an important role in many gastrointestinal tumors. To gain a deeper insight into its function and role, bioinformatics was used to analyze the function and role of KLF4 and KLF5 in gastrointestinal tumors.

Methods: Data were collected from several online databases. Gene Expression Profiling Interactive Analysis (GEPIA), UALCAN database analysis, Kaplan-Meier Plotter analysis, LOGpc system, the Pathology Atlas, and the STRING website were used to analyze the data. We download relevant data from TCGA and then perform GO enrichment and KEGG enrichment analysis. The effects of KLF5 on gastric cancer cell proliferation were measured by CCK-8 assay. The effect of KLF5 on the expression of CyclinD1 and MMP9 was detected by Western blot.

Results: KLF4 and KLF5 were differentially expressed in normal and tumor tissues of the gastrointestinal tract, and their differential expression is related to several genes or pathways. KEGG analysis showed that KLF5 was coexpressed with endocytosis-related genes. KLF5 promotes the proliferation of gastric cancer cells and the expression of metastasis-related molecules.

Conclusion: KLF4 and KLF5 are of great significance for developing gastrointestinal tumors and can be used as therapeutic targets.

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