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uroporphyrin |
Also found in: Medical | 0.06 sec. |
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uroporphyrin [¦yu̇r·ə′pȯr·fə·rən] (biochemistry) Any of several isomeric, metal-free porphyrins, occurring in small quantities in normal urine and feces; molecule has four acetic acid (‒CH2COOH) and four propionic acid (‒CH2CH2COOH) groups. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The disease is characterized biochemically by marked increases in uroporphyrin and heptaporphyrin in urine (3). 5] M) to liver cell cultures completely abolished the induction of uroporphyrin formation by 3,3',4,4'-tetra-chlorobiphenyl (TCB), suggesting that the uroporphyrin induction response may be regulated by the availability of heme in the liver cell. |
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