ArticleJournal of translational medicine2025
TMEM176B inhibits ovarian cancer progression by regulating EMT via the Wnt/β-catenin signaling pathway.
Article in Journal of translational medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cooccurrence of Homologous Recombination Deficiency and Mismatch Repair Deficiency in Colorectal Cancer.MedComm · 2026Article
- Oncogenic DCTPP1/MYC feedback loop rewires pyrimidine metabolism to drive hepatocellular carcinoma.Functional & integrative genomics · 2026Article
- Research progress on TMEM proteins in cancer progression and chemoresistance (Review).International journal of molecular medicine · 2025Review
- Research on the process and molecular mechanism of inhibiting serous ovarian cancer by PRTN3 and its inhibitor Sivelestat.Journal of ovarian research · 2025Article
- Molecular mechanisms underlying the inhibition of cell migration and invasion in endometriosis: Advances in pharmacological research (Review).Biomedical reports · 2025Review
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17 authors.
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Abstract
backgroundOvarian cancer (OC) is recognized as one of the deadliest forms of gynecological cancer, approximately two-thirds of patients have already developed metastasis when they are diagnosed. The function of transmembrane protein 176B (TMEM176B) in the progression of OC remains elusive. This study aimed to investigate the role and molecular mechanism of TMEM176B on OC proliferation and metastasis.
methodExpression of TMEM176B in OC and normal tissues were determined from the TCGA, GTEx, and CPTAC databases, and verified by patient-derived tissue samples. We analysed the prognostic relevance of TMEM176B in OC via Kaplan‒Meier (K‒M) survival curves and receiver operating characteristic (ROC) curves. Subsequent in vitro assays, including the CCK8 assay, colony formation assay, wound healing assay, and transwell assay, were performed to detect the influence of TMEM176B on cell proliferation and metastasis. Furthermore, a tumorigenesis study in nude mice was conducted to confirm the suppressive impact of TMEM176B on OC. RNA sequencing (RNA-seq) was utilized to uncover the mechanisms of TMEM176B on OC progression. Spearman correlation analysis was used to calculate the correlations between TMEM176B and cell adhesion, DNA replication, and the Wnt/β-catenin pathway. Finally, the role of TMEM176B in regulating the epithelial-mesenchymal transition (EMT) depending on the Wnt/β-catenin pathway was evaluated using LiCl agonist.
resultThe mRNA expression of TMEM176B was significantly downregulated in OC tissues, with lower TMEM176B correlating with a worse prognosis. Moreover, higher tumor stage and tumor grade were associated with a lower TMEM176B protein level. Consistent with these findings, OC tissues exhibited significantly reduced of TMEM176B compared to normal ovarian tissue from patients. In vitro studies indicated that TMEM176B knockdown increased both the proliferation, metastasis and EMT levels of OC cells, while TMEM176B overexpression had the opposite effects. In vivo investigations reinforced that TMEM176B significantly inhibited the progression of OC. RNA-seq analysis demonstrated that TMEM176B enhanced cell adhesion, diminished DNA replication, and suppressed EMT through the regulation of the Wnt/β-catenin signaling pathway, effectively obstructing the proliferation and metastasis of OC cells and impeding the disease's progression.
conclusionsTMEM176B inhibited EMT in OC cells by controlling the activation of the Wnt/β-catenin pathway. This mechanism underscored the diagnostic and prognostic potential of TMEM176B for OC and highlights its tumor-suppressive properties as a promising therapeutic candidate.
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