lncRNA SNHG5 Modulates Endometrial Cancer Progression via the miR-25-3p/BTG2 Axis

Area of Science:

• Oncology
• Molecular Biology
• Genetics

Background:

• Endometrial carcinoma (EC) is a prevalent female genital malignancy.
• The molecular mechanisms driving EC initiation and progression are not fully elucidated.

Purpose of the Study:

• To investigate the role of the noncoding RNA SNHG5 in endometrial carcinoma.
• To identify the molecular targets and pathways regulated by SNHG5 in EC.

Main Methods:

• In vitro experiments assessing cell proliferation, migration, and invasion.
• Analysis of gene and microRNA expression in EC cell lines and tissues.
• Luciferase reporter assays to confirm direct binding of miR-25-3p to BTG2 mRNA.

Main Results:

• SNHG5 suppressed proliferation, migration, and invasion of EC cells by inhibiting miR-25-3p.
• Overexpression of miR-25-3p promoted EC cell growth and invasion.
• miR-25-3p directly targeted and repressed BTG2 expression.
• EC tissues exhibited elevated miR-25-3p and reduced SNHG5 and BTG2 levels.
• SNHG5 expression correlated negatively with miR-25-3p and positively with BTG2.

Conclusions:

• The SNHG5/miR-25-3p/BTG2 signaling axis is crucial for endometrial carcinoma progression.
• This axis represents a potential therapeutic target and diagnostic biomarker for EC.