Other Names for this Disease
- Porphyria variegate
- Porphyria, South African type
- Protoporphyrinogen oxidase deficiency
- PPOX deficiency
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Variegate porphyria is inherited in an autosomal dominant manner, which means one copy of the gene in each cell is mutated. This single mutation is sufficient to reduce the activity of an enzyme needed for heme production, which increases the risk of developing signs and symptoms of porphyria.
Last updated: 7/19/2010
- Variegate Porphyria (VP). American Porphyria Foundation. 2010; http://www.porphyriafoundation.com/about-porphyria/types-of-porphyria/VP. Accessed 7/19/2010.
- Porphyria. Genetics Home Reference (GHR). 2009; http://ghr.nlm.nih.gov/condition=porphyria. Accessed 7/19/2010.