THE PORPHYRIAS

被引:21
作者
MOORE, MR
MCCOLL, KEL
FITZSIMONS, EJ
GOLDBERG, A
机构
[1] The Porphyrias Service, University Department of Medicine, Western Infirmary, Glasgow
关键词
D O I
10.1016/0268-960X(90)90031-M
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The porphyrias are a group of metabolic disorders arising from defects in the haem biosynthetic pathway. Most forms are inherited as Mendelian autosomal dominant characters, but some are recessive and others acquired. There is a linked group of diseases, which are not porphyrias, but have in common alterations of haem biosynthesis. The haem biosynthetic pathway is now well understood and the molecular biology of its function and dysfunction in the porphyrias is currently an area of major investigation. The acute porphyrias are of most importance since attacks of these may be life-threatening. A variety of factors may precipitate these attacks including various drugs, alcohol, strict dieting or fasting and hormonal fluctuations. The non-acute porphyrias are largely dermatological conditions, which present clinically as cutaneous photosensitivity. The dermatological changes are brought about by the photosensitising properties of circulating porphyrins. On the basis of this photoactivity, porphyrins are now being used, therapeutically, in the treatment of cancer. © 1990.
引用
收藏
页码:88 / 96
页数:9
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