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ABSTRACT: Background
Porphyria cutanea tarda (PCT) is usually caused by acquired defects in uroporphyrinogen decarboxylase (UROD) activity in the liver. This more common form of PCT is called type 1 PCT. Major known risk factors for PCT include iron overload, such as occurs due to mutations in HFE, associated with classical hereditary hemochromatosis, chronic hepatitis C infection, heavy alcohol use, tobacco use, and estrogen therapy. In addition, in about 25% of patients with PCT, namely, those with PCT type 2, an inherited partial defect in UROD activity is found. In such persons, this partial defect, which is found in all cells, including hepatocytes, red blood cells, and others, contributes to the development of biochemically and clinically active disease.Case description
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SUBMITTER: Soufleris S
PROVIDER: S-EPMC11292069 | biostudies-literature | 2024
REPOSITORIES: biostudies-literature