Evidence map›Paper›PMID 42199176›Full record

ArticleIranian journal of pathology2026

Immunohistochemical Expression of HLA Classes I and II in Neonatal Cholestatic Liver Disease.

Doha Maher Taie, Salma Abdel Megeed Nagi, Sally Waheed Elkhadry, Yahya Fayed, Mohamed Mohamady, Walaa Gaber El Gendy

Abstract read
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Article in Iranian journal of pathology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Doha Maher TaieDepartment of Pathology, National Liver Institute, Menoufia University, Egypt.
Salma Abdel Megeed NagiPediatric Hepatology, Gastroenterology, and Nutrition Department, National Liver Institute, Menoufia University, Shebin El-Kom, Egypt.
Sally Waheed ElkhadryDepartment of Epidemiology and Preventive Medicine, National Liver Institute, Menoufia University, Egypt.
Yahya FayedHepatopancreaticobiliary surgery, National Liver Institute, Menoufia University, Egypt.
Mohamed MohamadyDepartment of Pathology, National Liver Institute, Menoufia University, Egypt.
Walaa Gaber El GendyDepartment of Pathology, National Liver Institute, Menoufia University, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background & Objective: Neonatal cholestasis (NC) is a significant clinical condition involving hepatobiliary dysfunction, often accompanied by immunological alterations regardless of etiology. Human leukocyte antigens (HLA) molecules, particularly classes I and II, play roles in autoimmune liver diseases. Previous studies showed inconsistent results regarding their expression in hepatocytes and cholangiocytes under normal and pathological conditions. This study aimed to evaluate immunohistochemical expression of HLA I and II in NC. Methods: A retrospective analysis included 45 pediatric NC cases: 27 with biliary atresia (BA), 13 with progressive familial intrahepatic cholestasis (PFIC), and 5 with idiopathic neonatal hepatitis (INH). Twenty normal liver samples from adult transplant donors served as controls. Immunohistochemistry was used to evaluate HLA I and II expression in hepatocytes and cholangiocytes. Results: Control livers lacked detectable HLA I and II expression. In NC cases, HLA I was expressed in hepatocytes (84.4%) and all cholangiocytes, while HLA II was expressed in both cell types across all cases. BA cases showed significantly higher cholangiocyte expression of HLA I (p = 0.001) and II (p < 0.001) compared to PFIC and INH. HLA I expression was linked to cholangiocyte proliferation (p = 0.005) and inversely with lobular inflammation (p = 0.027). Strong HLA II expression in hepatocytes correlated with severe portal inflammation (p = 0.048), while in cholangiocytes, to proliferation, neutrophilic cholangitis (p = 0.05), and mild lobular inflammation (p = 0.043). Conclusion: HLA I and II are upregulated in NC, especially in BA, which correlates with disease severity, suggesting a role in pathogenesis.

Indexed as

Biliary atresiaIdiopathic neonatal hepatitisNeonatal cholestasisProgressive familial intrahepatic cholestasis

Identifiers

PMID42199176
PMCPMC13200595

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