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Pathway Description
Felbamate Metabolism Pathway
Homo sapiens
Drug Metabolism Pathway
Created: 2013-09-11
Last Updated: 2019-08-16
Felbamate is metabolized in the liver. One route of metabolism consists of the hydroxylation to 2-hydroxyfelbamate or p-hydroxyfelbamate, which is catalyzed by CYP2E1 and CYP3A4. Moreover, felbamate can be transformed to 2-phenyl-2-propanediol monocarbamate. This metabolite is then converted to 3-carbamoyl-2phenylpropionaldehyde via alchol dehydrogenase 1A, which in turn can be transformed into three possible metabolites: atropaldehyde, 3-carbamoyl-2-phenylpropionic acid (catalyzed by the dimeric NADP-preferring aldehyde dehydrogenase), and 4-hydroxy-5-phenyltetrahydro-1,3-oxazin-2-one. The latter is further converted by the alcohol dehydrogenase 1A to 5-phenyl-1,3-oxazinane-2,4-dione, which is subsequently transformed to 3-carbamoyl-2-phenylpropionic acid.
References
Felbamate Pathway References
[KeGG](http://www.genome.jp/kegg-bin/show_pathway?map=map00982&show_description=show)
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Hu Y, Oscarson M, Johansson I, Yue QY, Dahl ML, Tabone M, Arinco S, Albano E, Ingelman-Sundberg M: Genetic polymorphism of human CYP2E1: characterization of two variant alleles. Mol Pharmacol. 1997 Mar;51(3):370-6.
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Fairbrother KS, Grove J, de Waziers I, Steimel DT, Day CP, Crespi CL, Daly AK: Detection and characterization of novel polymorphisms in the CYP2E1 gene. Pharmacogenetics. 1998 Dec;8(6):543-52.
Pubmed: 9918138
Song BJ, Gelboin HV, Park SS, Yang CS, Gonzalez FJ: Complementary DNA and protein sequences of ethanol-inducible rat and human cytochrome P-450s. Transcriptional and post-transcriptional regulation of the rat enzyme. J Biol Chem. 1986 Dec 15;261(35):16689-97.
Pubmed: 3782137
Hsieh KP, Lin YY, Cheng CL, Lai ML, Lin MS, Siest JP, Huang JD: Novel mutations of CYP3A4 in Chinese. Drug Metab Dispos. 2001 Mar;29(3):268-73.
Pubmed: 11181494
Molowa DT, Schuetz EG, Wrighton SA, Watkins PB, Kremers P, Mendez-Picon G, Parker GA, Guzelian PS: Complete cDNA sequence of a cytochrome P-450 inducible by glucocorticoids in human liver. Proc Natl Acad Sci U S A. 1986 Jul;83(14):5311-5. doi: 10.1073/pnas.83.14.5311.
Pubmed: 3460094
Gonzalez FJ, Schmid BJ, Umeno M, Mcbride OW, Hardwick JP, Meyer UA, Gelboin HV, Idle JR: Human P450PCN1: sequence, chromosome localization, and direct evidence through cDNA expression that P450PCN1 is nifedipine oxidase. DNA. 1988 Mar;7(2):79-86. doi: 10.1089/dna.1988.7.79.
Pubmed: 3267210
von Bahr-Lindstrom H, Hoog JO, Heden LO, Kaiser R, Fleetwood L, Larsson K, Lake M, Holmquist B, Holmgren A, Hempel J, et al.: cDNA and protein structure for the alpha subunit of human liver alcohol dehydrogenase. Biochemistry. 1986 May 6;25(9):2465-70. doi: 10.1021/bi00357a026.
Pubmed: 3013304
Ikuta T, Szeto S, Yoshida A: Three human alcohol dehydrogenase subunits: cDNA structure and molecular and evolutionary divergence. Proc Natl Acad Sci U S A. 1986 Feb;83(3):634-8. doi: 10.1073/pnas.83.3.634.
Pubmed: 2935875
Matsuo Y, Yokoyama S: Molecular structure of the human alcohol dehydrogenase 1 gene. FEBS Lett. 1989 Jan 16;243(1):57-60. doi: 10.1016/0014-5793(89)81217-7.
Pubmed: 2920825
Hsu LC, Chang WC, Shibuya A, Yoshida A: Human stomach aldehyde dehydrogenase cDNA and genomic cloning, primary structure, and expression in Escherichia coli. J Biol Chem. 1992 Feb 15;267(5):3030-7.
Pubmed: 1737758
Hsu LC, Yoshida A: Human stomach aldehyde dehydrogenase, ALDH3. Adv Exp Med Biol. 1993;328:141-52. doi: 10.1007/978-1-4615-2904-0_16.
Pubmed: 8493892
Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. doi: 10.1038/ng1285. Epub 2003 Dec 21.
Pubmed: 14702039
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