Association of ATG4A single nucleotide polymorphism rs807185 on risk of microscopic polyangiitis in Chinese

Yan Li1, Wei Li1, Li Huang1

  • 1Department of Nephrology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China.

Abstract

Insights

The autophagy-associated gene 4A (ATG4A) single nucleotide polymorphism rs807185 allele A may protect against microscopic polyangiitis in the Chinese population. Further research is needed to understand the underlying molecular mechanisms of this association.

Area of Science:

  • Genetics
  • Immunology
  • Molecular Biology

Background:

  • Microscopic polyangiitis is an autoimmune disease characterized by inflammation of small blood vessels.
  • Autophagy-related genes are implicated in immune system function, but their role in microscopic polyangiitis is not well understood.

Purpose of the Study:

  • To investigate the association between a specific single nucleotide polymorphism (SNP) in the autophagy-associated gene 4A (ATG4A), rs807185, and microscopic polyangiitis (MPA) in the Chinese population.

Main Methods:

  • A case-control study was conducted with 181 MPA patients and 209 healthy controls from the Chinese population.
  • Genotyping for the ATG4A rs807185 SNP was performed using multiplex polymerase chain reaction and high-throughput sequencing.

Main Results:

  • The frequency of the A allele of rs807185 was significantly higher in the healthy control group compared to the MPA cohort.
  • The presence of the rs807185 A allele was associated with a reduced risk of developing microscopic polyangiitis.

Conclusions:

  • The rs807185 A allele in the ATG4A gene may confer a protective effect against microscopic polyangiitis in the Chinese population.
  • The precise molecular mechanisms underlying this protective association require further investigation.