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ISSN 0028-2685
ISSN 1338-4317 (online)

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neo_2024_240220N67

Title: Downregulation of WNK4 expression facilitates the proliferation of gastric cancer cells via activation of the STAT3 signaling pathway
Author: Miao Li, Xiaoyan Shao, Qiqi Ning, Rongrong Sun, Rantian Li, Yanhua Liu, Yuan Yuan, Youwei Zhang
Abstract: WNK lysine deficient protein kinase 4 (WNK4) has been shown to be significantly associated with cancer progression. Nevertheless, its involvement in gastric cancer (GC) is unclear. The objective of this work was to investigate the WNK4‘s regulatory mechanism in GC. Quantitative RT-PCR and immunoblots revealed that WNK4 expression was downregulated in GC and that low expression of WNK4 was strongly linked to poor prognosis. Functional assays including cell counting kit-8 assay and colony formation assay demonstrated that overexpression of WNK4 led to limited tumor proliferation both in vitro and in vivo, while the WNK4 reduction yielded to the opposite results. Gene Set Enrichment Analysis (GSEA) indicated a potential association between WNK4 and the signal transducer and activator of transcription (STAT3). WNK4 suppressed the phosphorylation of signal transducer and activator of transcription 3 (p-STAT3) in GC cells. The inhibition of the STAT3 pathway with Stattic reversed growth and proliferation induced by WNK4 knockdown in GC cells. These findings provide new insights for identifying key therapeutic targets for GC in the future.
Keywords: WNK4; gastric cancer; proliferation; tumorigenesis; STAT3
Published online: 17-May-2024
Year: , Volume: , Issue: Page From: , Page To:
doi:10.4149/neo_2024_240220N67


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