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Relation between post-partum liver dysfunction and anti-cytochrome 2D6 antibodies
Yukiko Izumi1, Susumu Tanaka, Yoh Hidaka
1Department of Laboratory Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. yizumi@labo.med.osaka-u.ac.jp
American Journal of Reproductive Immunology (New York, N.Y. : 1989)
|December 16, 2003
Summary
Autoimmune hepatitis can develop postpartum, similar to autoimmune thyroid disease. Measuring anti-cytochrome P450 2D6 antibodies aids in detecting this liver condition in new mothers.
Area of Science:
- Hepatology
- Immunology
- Endocrinology
Background:
- Autoimmune thyroid disease commonly emerges or worsens post-childbirth due to immune system rebound.
- The occurrence and characteristics of postpartum autoimmune hepatitis (AIH) remain poorly understood.
Purpose of the Study:
- To investigate the development of autoimmune hepatitis (AIH) in women following delivery or abortion.
- To assess the role of anti-cytochrome P450 2D6 (CYP2D6) antibodies in postpartum AIH.
Main Methods:
- Studied 18 patients with postpartum liver dysfunction.
- Measured liver-specific autoantibodies, including anti-CYP2D6, using a radioligand assay.
- Performed serial examinations on 10 patients and compared results with 77 postpartum controls.
Main Results:
- Liver dysfunction appeared 1-5 months postpartum, typically mild and transient.
- Anti-CYP2D6 antibodies were detected in 83.3% of patients with postpartum liver dysfunction, versus 3.9% in controls.
- Nine of ten patients met criteria for definite or probable AIH, with elevated anti-CYP2D6 antibodies.
Conclusions:
- Autoimmune hepatitis can develop postpartum, analogous to autoimmune thyroid disease.
- Sensitive measurement of anti-CYP2D6 antibodies is valuable for diagnosing postpartum AIH.