Haemoglobin M Hyde Park occurring as a fresh mutation: diagnostic, structural, and genetic considerations.

AUTOR(ES)

Stamatoyannopoulos, G

RESUMO

Hb M Hyde Park disease was detected in a girl who for several years was thought to have cyanotic heart disease. The problems of recognizing the condition are outlined and clues to diagnosis are discussed. Evidence for heme loss from the aberrant beta chains of Hb M Hyde Park and production of an unstable molecule is presented. The normal haematological findings in the patient's parents, as well as their blood groups and isozymes, suggest that the occurrence of her Hb M Hyde Park was the result of a fresh mutation.

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