Expression analysis of mTOR-associated lncRNAs in multiple sclerosis

Area of Science:

• Immunology
• Molecular Biology
• Genetics

Background:

• The mechanistic target of rapamycin (mTOR) pathway regulates immune cell differentiation and immune responses.
• mTOR is implicated in autoimmune disorders like multiple sclerosis (MS).
• Long non-coding RNAs (lncRNAs) are increasingly recognized for their roles in complex diseases.

Purpose of the Study:

• To investigate the expression levels of mTOR and four associated lncRNAs (SNHG1, SNHG3, SNHG5, DANCR) in peripheral blood of MS patients.
• To explore the correlation between gene expression and clinical/demographic data in MS.
• To assess the diagnostic potential of these lncRNAs in distinguishing MS patients from healthy controls.

Main Methods:

• Real-time quantitative polymerase chain reaction (RT-qPCR) was used to measure gene expression.
• Peripheral blood samples were collected from patients with MS and healthy controls.
• Statistical analyses were performed to assess gene expression differences, correlations, and diagnostic accuracy (AUC).

Main Results:

• Down-regulation of SNHG5 and DANCR was observed in MS patients compared to controls.
• A significant negative correlation was found between mTOR gene expression and MS disease duration.
• SNHG5 and DANCR showed good (AUC=0.88) and moderate (AUC=0.68) diagnostic potential, respectively.

Conclusions:

• The study suggests the involvement of mTOR-related lncRNAs, specifically SNHG5 and DANCR, in the pathophysiology of multiple sclerosis.
• These lncRNAs may serve as potential biomarkers for MS.
• Further research is warranted to elucidate the precise mechanisms of these lncRNAs in MS pathogenesis.