Long non-coding RNA mortal obligate RNA transcript suppresses tumor cell proliferation in prostate carcinoma by...

Area of Science:

• Oncology
• Molecular Biology
• Biochemistry

Background:

• Long non-coding RNA mortal obligate RNA transcript (lncRNA MORT) expression is decreased in 16 cancer types.
• The specific role of lncRNA MORT in cancer progression is currently unknown.
• Prostate carcinoma is a prevalent cancer worldwide, necessitating further research into its underlying molecular mechanisms.

Purpose of the Study:

• To investigate the functional role of lncRNA MORT in prostate carcinoma.
• To elucidate the relationship between lncRNA MORT, glucose metabolism, and cell proliferation in prostate cancer.

Main Methods:

• Quantitative analysis of lncRNA MORT expression in prostate tumor tissues versus adjacent healthy tissues.
• In vitro studies using prostate carcinoma cell lines to assess the effects of lncRNA MORT and glucose transporter 1 (GLUT-1) overexpression on glucose uptake and cell proliferation.

Main Results:

• lncRNA MORT expression was significantly downregulated in prostate tumor tissues compared to healthy tissues.
• Overexpression of lncRNA MORT inhibited glucose uptake and GLUT-1 expression in prostate cancer cells.
• GLUT-1 overexpression counteracted the inhibitory effects of lncRNA MORT on glucose uptake and cell proliferation.
• lncRNA MORT overexpression suppressed prostate cancer cell proliferation, while GLUT-1 overexpression promoted it.

Conclusions:

• lncRNA MORT functions as a tumor suppressor in prostate carcinoma.
• The inhibitory effect of lncRNA MORT on prostate cancer cell proliferation is mediated, at least in part, by the regulation of glucose uptake via GLUT-1.
• lncRNA MORT represents a potential therapeutic target for prostate cancer treatment.