Molecular basis of hereditary methaemoglobinaemia, types I and II: two novel mutations in the NADH‐cytochrome b₅ reductase gene

Abstract excerpt

Hereditary methaemoglobinaemia, caused by deficiency of NADH-cytochrome b5 reductase (b5R), has been classified into two types, an erythrocyte (type I) and a generalized (type II). We analysed the b5R gene of two Thai patients and found two novel mutations. The patient with type II was homozygous for a C-to-T substitution in codon 8 3 that changes Arg (CGA) to a stop codon (TGA), resulting in a truncated b5R...

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