OMIA 000496-9796 : Hyperbilirubinaemia I in Equus caballus

In other species: sheep , Bolivian squirrel monkey

Possibly relevant human trait(s) and/or gene(s)s (MIM numbers): 143500 , 191740 , 218800

Mendelian trait/disorder: yes

Considered a defect: yes

Key variant known: no

Cross-species summary: Bilirubin is an orange bile pigment produced by the breakdown of haem and reduction of biliverdinin. An excess of bilirubin in the blood, resulting from a defect in uptake of organic anions by the liver, is called hyperbilirubinaemia I or Gilbert's syndrome. Another anion unable to be taken up by affected livers is phylloerythrin, a metabolite of chlorophyll. The resultant high blood levels of phylloerythrin result in photosensitive dermatitis. [Researched by Philippa Beard]


1995 Deprez, P., Sustronck, B., Vanloon, G., Muylle, E. :
Persistent hyperbilirubinemia in a horse - a case report [Dutch] Vlaams Diergeneeskundig Tijdschrift 64:212-215, 1995.

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  • Created by Frank Nicholas on 06 Sep 2005