GAS8 and its naturally occurring antisense RNA as biomarkers in multiple sclerosis

Mona Patoughi1, Soudeh Ghafouri-Fard1, Shahram Arsang-Jang2

  • 1Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Immunobiology
|April 21, 2019
PubMed

Insights

Growth arrest specific 8 (GAS8) and GAS8-AS1 gene expressions are elevated in multiple sclerosis (MS) patients. GAS8-AS1 shows high accuracy for diagnosing MS in males, suggesting its potential as a biomarker.

Area of Science:

  • Genetics
  • Immunology
  • Neurology

Background:

  • The roles of Growth arrest specific 8 (GAS8) and its antisense RNA (GAS8-AS1) in immune-related disorders, particularly multiple sclerosis (MS), are not well understood.
  • Previous studies have examined GAS8 and GAS8-AS1 expression in various tumor tissues.

Purpose of the Study:

  • To investigate the expression levels of GAS8 and GAS8-AS1 in patients with relapsing-remitting multiple sclerosis (RRMS).
  • To explore the potential association of GAS8 and GAS8-AS1 with MS pathogenesis and their utility as diagnostic biomarkers.

Main Methods:

  • Gene expression analysis was performed on samples from 50 RRMS patients and age- and sex-matched healthy controls.
  • Statistical analyses were used to compare gene expression levels between patient and control groups, and to assess correlations with age and diagnostic accuracy.

Main Results:

  • Both GAS8 and GAS8-AS1 showed significantly higher expression in total MS patients compared to controls.
  • GAS8 expression was significantly higher in female MS patients, while GAS8-AS1 was elevated in male MS patients across age groups.
  • GAS8-AS1 transcript levels demonstrated 99.6% accuracy in diagnosing disease status in male subjects and were inversely correlated with age in male participants.

Conclusions:

  • GAS8 and GAS8-AS1 play a significant role in the pathogenesis of multiple sclerosis.
  • GAS8-AS1 holds promise as a diagnostic biomarker for MS, particularly in a subset of male patients.

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