uroporphyrin III

ur·o·por·phy·rin III

porphin-1,3,5,8-tetraacetic acid-2,4,6,7-tetrapropionic acid; formed by the action of light on uroporphyrinogen III; elevated levels observed in certain porphyrias.
References in periodicals archive ?
Congenital erythropoietic porphyria (CEP) is one of the rare forms of an intriguing group of metabolic disorders known as porphyria, caused by an autosomal recessive inherited deficiency of the uroporphyrin III cosynthase enzyme.
The calibrators included coproporphyrin III dihydrochloride, uroporphyrin III dihydrochloride, 2-vinyl-4-hydroxymethyl deuteroporphyrin IX dihydrochloride, deuteroporphyrin IX, protoporphyria IX, and a porphyrin marker kit containing a mixture of uroporphyrin, coproporphyrin, and hepta-, hexa-, and pentacarboxylic acid porphyrins of the I isomer series.
The plasma porphyrins in samples from patients with VP were normal or showed a slight increase of uroporphyrin III.
We found a greater increase of plasma uroporphyrin I compared with uroporphyrin III in renal failure, similar to the reports of Seubert et al.