Article
Seven new mutations in the nicotinamide adenine dinucleotide reduced-cytochrome b(5) reductase gene leading to methemoglobinemia type I.
Blood - 15 Feb 2001
Dekker J, Eppink M H, van Zwieten R, de Rijk T, Remacha A F, Law L K, Li A M, Cheung K L, van Berkel W J, Roos D
Abstract excerpt
Cytochrome b(5) reductase (b5R) deficiency manifests itself in 2 distinct ways. In methemoglobinemia type I, the patients only suffer from cyanosis, whereas in type II, the patients suffer in addition from severe mental retardation and neurologic impairment. Biochemical data indicate that this may be due to a difference in mutations, causing enzyme instability in type I and complete enzyme deficiency or enzyme...
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