Conditions listing Porphyria as a symptom may also be potential underlying causes of Porphyria. Our database lists the following as having Porphyria as a symptom of that condition:
Causes: Porphyria:
Excess production of heme and porphyrins
Heme is composed of porphyrin, a large circular molecule made from four rings linked together with an iron atom at its center. Heme is the oxygen-binding part of hemoglobin, giving red blood cells their color. It is also a component of several vital enzymes in the liver including the group known as cytochrome P450. This enzyme family is important in converting potentially harmful substances such as drugs to inactive products destined for excretion.
(Source: Genes and Disease by the National Center for Biotechnology)
The following conditions are listed as possible triggers for Porphyria:
As with all medical conditions, there may be many causal factors. Further relevant information on causes of Porphyria may be found in:
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Porphyria.
Porphyrias are inherited as autosomal dominant traits, except for Günther’s disease (autosomal recessive trait) and toxic-acquired porphyria (usually from ingestion of or exposure to lead). Menstruation often precipitates acute porphyria in premenopausal women.
Source: Professional Guide to Diseases (Eighth Edition), 2005
Porphyrias are inherited as autosomal dominant traits, except for Günther’s disease (autosomal recessive trait) and toxic-acquired porphyria (usually from the ingestion of or exposure to lead). Menstruation commonly precipitates acute porphyria in premenopausal women.
Source: Handbook of Diseases, 2003
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