Byler disease is a rare form of familial intrahepatic cholestasis that is fatal before puberty. This retrospective study reviewed the results of orthotopic liver transplantation in 14 children with Byler disease using 12 whole-liver grafts and 2 reduced-size grafts. One post-operative death occurred after retransplantation for arterial thrombosis. In the other patients, infectious problems and rejection episodes were the most frequent complications during the postoperative period. In the 13 patients alive, graft function, growth, and quality of life were good after an average follow-up of 17 months without any sign of disease recurrence.
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Progressive Familial Intrahepatic Cholestasis Associated With Ubiquitin-Specific Peptidase 53 Gene Variant Presented with Acute-on-Chronic Liver Failure in Turkish Siblings.
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October 2024
From the Department of Pediatric Gastroenterology, Gazi University Faculty of Medicine, Ankara, Turkey.
Progressive familial intrahepatic cholestasis represents a group of disorders characterized by defective bile excretion, which causes a multitude of clinical symptoms of variable severity and usually begins in childhood. During the past few decades, a number of gene sequence variants have been shown to be associated with progressive familial intrahepatic cholestasis, and new subtypes continue to be discovered. Sequence variants of the ubiquitinspecific peptidase 53 gene have previously been associated with a novel autosomal recessive form of cholestasis with coincident normal or low γ-glutamyl transferase, with mild phenotypes.
View Article and Find Full Text PDFNatural course and outcomes of children with ubiquitin-specific protease 53 (USP53)-related genetic chronic cholestasis.
J Pediatr Gastroenterol Nutr
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Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India.
Ubiquitin-specific protease 53 (USP53) is essential for formation of cellular tight junctions and variations in this gene disrupt the tight junctions, resulting in cholestasis. We describe the clinical manifestations and outcomes of patients with USP53 mutations from the Indian progressive familial intrahepatic cholestasis registry. All 29 patients who harbored mutations in the USP53 gene either in the homozygous, compound heterozygous, or heterozygous state and presented with cholestasis were included.
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Division of Pediatric Gastroenterology, Department of Pediatrics, Gülhane Training and Research Hospital, Ankara, Türkiye.
Article Synopsis
- A recent discovery links the ZFYVE19 mutation to non-syndromic cholestasis, characterized by high gamma-glutamyl transferase levels, and potentially causing neonatal and intrahepatic cholestasis.
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[Progress in the treatment of progressive familial intrahepatic cholestasis].
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Progressive familial intrahepatic cholestasis (PFIC) is an important cause of liver-related death or transplantation in children. The PFIC spectrum is expanding, twelve types of PFIC are currently included in the Online Mendelian Inheritance in Man (OMIM) database. With the increase of PFIC types and the inconsistence of certain types in numbering, the current numbering classification of PFIC is confusing, so the experts in the field recommend using the corresponding mutant gene/ protein defect to name different type of PFIC except for PFIC type 1-3.
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