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[Relationship between human leukocyte antigen-DRB1 allele gene polymorphism and intrahepatic cholestasis of

Fuqiang Chen1, Lian Fan, Lingdi Xu

  • 1Department of Obstetrics, Shanghai Pudong New Area Health Hospital For Women and Children, Shanghai 201200, China.

Zhonghua Fu Chan Ke Za Zhi
|November 2, 2002
PubMed

Insights

The human leukocyte antigen-DRB1 (HLA-DRB1) allele gene DR6 is associated with intrahepatic cholestasis of pregnancy (ICP). This finding suggests HLA-DR6 may be a susceptibility gene for ICP.

Area of Science:

  • Immunogenetics
  • Obstetrics and Gynecology

Context:

  • Intrahepatic cholestasis of pregnancy (ICP) is a serious pregnancy complication.
  • The genetic factors contributing to ICP susceptibility are not fully understood.

Purpose:

  • To investigate the association between human leukocyte antigen-DRB1 (HLA-DRB1) allele gene polymorphism and the risk of developing ICP.

Summary:

  • A case-control study compared HLA-DRB1 allele frequencies in 42 ICP patients and 56 healthy pregnant women using PCR-SSO.
  • The HLA-DRB1 allele DR6 was found at significantly higher frequencies in ICP patients (16.7%) compared to controls (3.6%), with a relative risk of 6.5.
  • No significant association was found between HLA-DR6 and ICP clinical characteristics, liver function, or cholylglycine levels.

Impact:

  • Identifies HLA-DR6 as a potential genetic susceptibility factor for ICP.
  • May contribute to understanding the pathogenesis of ICP.
  • Could inform future genetic screening or risk assessment strategies for ICP.
Abstract

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