Results 191 to 200 of about 3,705 (210)
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Molecular basis of acute intermittent porphyria: Mutations and polymorphisms in the human hydroxymethylbilane synthase gene

Human Mutation, 1994
Acute intermittent porphyria (AIP) is an autosomal dominant inborn error of metabolism that results from the half-normal activity of the third enzyme in the heme biosynthetic pathway, hydroxymethylbilane synthase (HMB-synthase). AIP is an ecogenetic condition, with life-threatening acute attacks precipitated by various factors including drugs, alcohol,
Robert Desnick
exaly   +3 more sources

Hydroxymethylbilane Synthase Gene Mutations and Polymorphisms in Brazilian Families with Acute Intermittent Porphyria

Annals of Human Genetics, 2015
SummaryAcute intermittent porphyria (AIP), an autosomal dominant disorder, is caused by a deficiency of hydroxymethylbilane synthase (HMBS). In the present study, we sought to establish a correlation between HMBS activity with the presence of mutations and polymorphisms.
Tatiana Nogueira, Maria A Nagai
exaly   +3 more sources

Detection of DNA variations in the polymorphic hydroxymethylbilane synthase gene by high-resolution melting analysis

Analytical Biochemistry, 2009
Acute intermittent porphyria (AIP) represents the most frequent type of acute porphyria. The underlying cause is a defect in the hydroxymethylbilane synthase (HMBS) gene. Diagnosis of AIP is crucial for preventing life-threatening, acute attacks among both symptomatic and asymptomatic carriers.
Pavel Martasek
exaly   +3 more sources

Biallelic inactivation of protoporphyrinogen oxidase and hydroxymethylbilane synthase is associated with liver cancer in acute porphyrias

Journal of Hepatology, 2015
Variegate porphyria (VP) and acute intermittent porphyria (AIP), the two most common types of acute porphyrias (AHPs), result from a partial deficiency of protoporphyrinogen oxidase (PPOX) and hydroxymethylbilane synthase (HMBS), respectively. A rare but serious complication in the AHPs is hepatocellular carcinoma (HCC).
Jasmin Barman-Aksözen   +2 more
exaly   +3 more sources

Comparative inhibition of hepatic hydroxymethylbilane synthase by both hard and soft metal cations

Canadian Journal of Biochemistry and Cell Biology, 1984
The in vitro inhibition of hydroxymethylbilane synthase (EC 4.3.1.8, uroporphyrinogen I synthetase) obtained from livers of Sprague–Dawley rats has been studied with a wide range of di- and tri-valent metal ions. After purification by cell lysis, heat treatment, and centrifugation, the stable, soluble enzyme yielded sigmoidal inhibition curves with ...
D J, Farmer, B R, Hollebone
openaire   +2 more sources

A splicing mutation in the hydroxymethylbilane synthase gene in a Japanese family with acute intermittent porphyria

Clinical Biochemistry, 1999
Acute intermittent porphyria (AIP) is an autosomal dominant inherited disease caused by a decreased activity of hydroxymethylbilane synthase (HMBS). As far as the gene abnormalities of the HMBS, many different mutations have been reported. In this work, we investigated the presence of mutations in a Japanese family with AIP.A 44-year-old Japanese male ...
N, Maeda   +8 more
exaly   +3 more sources

A new synthesis of porphobilinogen analogues, inhibitors of hydroxymethylbilane synthase.

Organic & biomolecular chemistry, 2004
Two analogues of porphobilinogen, the 6-methyl and 6,11-ethano derivatives, have been made by a new synthetic route and the 6-methyl analogue has proved to be the most potent inhibitor of hydroxymethylbilane synthase yet reported (Ki = 3 microM).
Raef, Ahmed, Finian J, Leeper
openaire   +1 more source

Purification of hydroxymethylbilane synthase from human erythrocytes

Biochemical Society Transactions, 1985
RICHARD C. BROWN   +2 more
openaire   +1 more source

Hydroxymethylbilane Synthase Deficiency

2009
Dieter Metze   +199 more
openaire   +1 more source

Structure and Function Studies of Hydroxymethylbilane Synthase using SRS and ESRF

Biochemical Society Transactions, 1999
P. F. Faulder   +10 more
openaire   +1 more source

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