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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
09:41

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis

Published on: July 19, 2019

Variations of the perforin gene in patients with multiple sclerosis

G Cappellano1, E Orilieri, C Comi

  • 1Department of Medical Sciences, Interdisciplinary Research Center of Autoimmune Diseases, A Avogadro University of Eastern Piedmont, Novara, Italy.

Genes and Immunity
|May 23, 2008
PubMed

Insights

Perforin gene variations, including A91V, are more common in multiple sclerosis (MS) patients, suggesting a potential role in MS susceptibility. These findings highlight perforin

Area of Science:

  • Immunology
  • Genetics
  • Neuroscience

Background:

  • Perforin is crucial for cell-mediated cytotoxicity.
  • Mutations in the perforin gene (PRF1) are linked to familial hemophagocytic lymphohistiocytosis (FLH2).
  • The role of perforin variations in multiple sclerosis (MS) is not well understood.

Purpose of the Study:

  • To investigate the association between PRF1 gene variations and MS.
  • To determine if specific perforin variations increase susceptibility to MS.

Main Methods:

  • Sequencing of the PRF1 gene in MS patients and healthy controls.
  • Statistical analysis to compare allele and genotype frequencies between groups.
  • Replication in a second, larger cohort to confirm findings.

Main Results:

  • Two FLH2-associated variations (A91V, N252S) and six novel mutations were identified.
  • Perforin variation carriers were more frequent in MS patients (17%) than controls (9%).
  • The A91V allele was significantly more frequent in MS patients across combined cohorts (OR=1.38).

Conclusions:

  • Perforin gene variations, particularly A91V, are associated with an increased susceptibility to MS.
  • These findings suggest perforin plays a role in the pathogenesis of MS.
  • Further research into perforin's function in MS is warranted.

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