4.6 Article

SGOL2 promotes prostate cancer progression by inhibiting RAB1A ubiquitination

Journal

AGING-US
Volume 14, Issue 24, Pages 10050-10066

Publisher

IMPACT JOURNALS LLC

Keywords

prostate cancer; SGOL2; RAB1A; ubiquitination; tumor microenvironment

Funding

  1. National Natural Science Foundation of China
  2. Natural Science Foundation of Hebei Province
  3. [81872101]
  4. [H2020206572]

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Prostate cancer is the most common genitourinary malignant cancer in men worldwide, and effective treatment strategies for advanced prostate cancer are still lacking. The expression and interaction of SGOL2 and RAB1A in prostate cancer cells play important roles in tumor development and migration. These findings contribute to a better understanding and treatment of prostate cancer.
Prostate cancer is the most prevalent genitourinary malignant cancer in men worldwide. Patients with prostate cancer who progress to castration-resistant prostate cancer (CRPC) or metastatic CRPC have significantly poorer survival. Advanced prostate cancer is a clinical challenge due to the lack of effective treatment strategies. In the field of oncology, SGOL2 was an emerging and differentially expressed molecule, which enhanced the proliferation of cell populations in vitro in our studies. Mass spectrum and Co-IP validated the interaction of SGOL2 and RAB1A in a protein-protein manner. We further investigated the role of SGOL2 in the regulatory mechanism of RAB1A in prostate cancer cell lines. Furthermore, SGOL2 regulated RAB1A expression by inhibiting its ubiquitination. Rescue Experiments demonstrated that SGOL2 promoted prostate cancer cell proliferation and migration by upregulating RAB1A expression. Finally, we found that SGOL2 and RAB1A may regulate the tumor microenvironment (TME) in prostate cancer. In conclusion, our findings concluded that SGOL2 stabilized RAB1A expression to promote prostate cancer development. Both of them were of great importance in TME modulation.

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