Related Experiment Video

Updated: Sep 11, 2025

Spatial and Temporal Analysis of Active ERK in the C. elegans Germline
08:40

Spatial and Temporal Analysis of Active ERK in the C. elegans Germline

Published on: November 29, 2016

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RAB26 promotes prostate cancer progression via the MAPK/ERK-TWIST1 signaling axis

Hexi Wang1,2, Simin Liang1, Xiaoyi Du1

  • 1Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China.

Genes & Diseases
|August 18, 2025
PubMed

Insights

RAB26 protein promotes prostate cancer (PCa) progression and stemness by driving epithelial-mesenchymal transition. High RAB26 expression indicates a poor prognosis for PCa patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • RAB26 regulates membrane trafficking and cell motility, with emerging roles in cancer.
  • The specific function of RAB26 in prostate cancer (PCa) pathogenesis is not well understood.

Purpose of the Study:

  • To investigate the role of RAB26 in prostate cancer progression, metastasis, and stemness.
  • To determine if RAB26 can serve as a prognostic biomarker for PCa.

Main Methods:

  • Analysis of single-cell RNA sequencing data (GSE141445) for RAB26 expression in PCa.
  • In vitro experiments assessing the effects of RAB26 on PCa cell proliferation, migration, invasion, and stemness.
  • Investigation of RAB26's role in epithelial-mesenchymal transition (EMT) via MAPK/ERK pathways and TWIST1 promoter interaction.

Main Results:

  • RAB26 is widely expressed in PCa cells, particularly luminal and basal cells.
  • High RAB26 expression correlates with advanced pathological stage, Gleason score, and poor patient prognosis.
  • RAB26 promotes PCa cell proliferation, migration, invasion, and stemness, likely via EMT induction through MAPK/ERK and TWIST1 activation.

Conclusions:

  • RAB26 significantly contributes to aggressive PCa progression and tumor stemness.
  • RAB26 is a potential independent prognostic biomarker for prostate cancer.
Keywords:
Cancer stem cellsEMTProstate cancerRAB26TWIST1

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