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Pathway Description
Porphyria Variegata (PV)
Rattus norvegicus
Disease Pathway
Porphyria variegata (PV) is a rare inborn error of metabolism (IEM) which arises from a defective gene called PPOX. PPOX is responsible for protoporphyrinogen oxidase. A defect in this enzyme results in the build up of several compounds, including porphobilinogen, 5-aminolevulinic acid, and in feces and urine, porphyrin and coproporphyrin. Of the wide range of symptoms which present themselves in affected individuals, some include abdominal pain, vomiting, and diarrhea. As well as seizures, hallucinations and skin sensitivity to light. Indeed, the skin sensitivity can be so extreme that skin pigmentation changes, scarring and blistering and even hair growth can ensue on exposed areas.
References
Porphyria Variegata (PV) References
Hofmann C, Schmidt D, Braun-Falco O: [Porphyria variegata (author's transl)]. MMW Munch Med Wochenschr. 1975 Dec 12;117(50):1969-74.
Pubmed: 814414
Porphyrin Metabolism References
This pathway was propagated using PathWhiz -
Pon, A. et al. Pathways with PathWhiz (2015) Nucleic Acids Res. 43(Web Server issue): W552–W559.
Propagated from PW000175
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