A 27-year-old man was admitted to our hospital for evaluation and treatment of liver dysfunction with jaundice and hepatosplenomegaly. The patient had severe photosensitivity from childhood. Upper gastrointestinal endoscopy revealed mild esophageal varices. The clinical manifestations, analyses of the urine and blood for porphyrins and skin biopsy led us to a diagnosis of erythropoietic protoporphyria. Because of acute deterioration of liver function, living donor liver transplantation was performed. The resected liver revealed cirrhosis. We report a rare case of erythropoietic protoporphyria with severe liver dysfunction and present a review of the literature.
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Cell Mol Gastroenterol Hepatol
January 2025
Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ, USA. Electronic address:
Background & Aims: Erythropoietic protoporphyria (EPP) is caused by mutations in ferrochelatase which inserts iron into protoporphyrin-IX (PP-IX) to generate heme. EPP is characterized by PP-IX accumulation, skin photosensitivity, cholestasis, and end-stage liver disease. Despite available drugs that address photosensitivity, treatment of EPP-related liver disease remains an unmet need.
View Article and Find Full Text PDFJ Dermatol
January 2025
Mitsubishi Tanabe Pharma America, Inc., Jersey City, New Jersey, USA.
Ital J Pediatr
December 2024
Department of Medicine, Surgery, and Health Sciences, University of Trieste, Trieste, Italy.
J Med Chem
December 2024
Research Division, Mitsubishi Tanabe Pharma Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-0033, Japan.
Activation of the melanocortin 1 receptor (MC1R) mediates melanogenesis in melanocytes, anti-inflammatory effects in inflammatory cells, and antifibrotic effects in fibroblasts. Thus, MC1R agonists are expected to be beneficial for treating skin, autoimmune, inflammatory, and fibrotic diseases. Afamelanotide, an α-melanocyte-stimulating hormone (α-MSH) analogue MC1R agonist, is used clinically for treating erythropoietic protoporphyria (EPP) as a subcutaneous implant formulation.
View Article and Find Full Text PDFNat Commun
December 2024
Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA.
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