Formiminoglutamic acid
Formiminoglutamic acid (FIGLU) is an intermediate in the catabolism of L-histidine to L-glutamic acid and marker for intracellular levels of folate. The FIGLU test is used to identify deficiencies of vitamin B12 or folate and is also found in liver disease.[1][2] It is elevated with folate trapping, where it is accompanied by decreased methylmalonic acid, increased folate and a decrease in homocysteine.[3]
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| Names | |
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| IUPAC name
N-(aminomethylidene)-L-glutamic acid | |
| Other names
FIGLU | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.011.308  |
| MeSH | Formiminoglutamic+acid |
PubChem CID |
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| UNII | |
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| Properties | |
| C6H10N2O4 | |
| Molar mass | 174.156 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
See also
References
- Lascelles, P. T.; Donaldson, D. (1989). "Formiminoglutamic Acid (FIGLU) Test". Diagnostic Function Tests in Chemical Pathology. pp. 59–60. doi:10.1007/978-94-009-1846-7_31. ISBN 978-0-7462-0107-7.
- FIGLU+Test at the US National Library of Medicine Medical Subject Headings (MeSH)
- Scott, JohnM.; Weir, DonaldG. (15 August 1981). "THE METHYL FOLATE TRAP: A physiological response in man to prevent methyl group deficiency in kwashiorkor (methionine deficiency) and an explanation for folic-acid-induced exacerbation of subacute combined degeneration in pernicious anaemia". The Lancet. 318 (8242): 337–340. doi:10.1016/S0140-6736(81)90650-4. ISSN 0140-6736. PMID 6115113. S2CID 29977127.
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