CYP1A2: Difference between revisions
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*[[amiodarone]] ([[antiarrhythmic agent]]) | *[[amiodarone]] ([[antiarrhythmic agent]]) | ||
*[[cimetidine]] ([[H2-receptor antagonist]]) | *[[cimetidine]] ([[H2-receptor antagonist]]) | ||
* | *furafylline | ||
*[[interferon]] ([[antiviral]], [[antiseptic]], [[antioncogenic]]) | *[[interferon]] ([[antiviral]], [[antiseptic]], [[antioncogenic]]) | ||
*[[methoxsalen]] (in [[psoriasis]]) | *[[methoxsalen]] (in [[psoriasis]]) | ||
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**[[grapefruit juice]] (its bitter flavanone [[naringenin]])<ref>{{cite journal |author=Edwards DJ, Bernier SM |title=Inhibitory effect of grapefruit juice and its bitter principal, naringenin, on CYP1A2 dependent metabolism of caffeine in man |journal=Life Sciences |volume=59 |issue=13 |pages=1025-1030 |year=1996 |pmid=8485024}}</ref> | **[[grapefruit juice]] (its bitter flavanone [[naringenin]])<ref>{{cite journal |author=Edwards DJ, Bernier SM |title=Inhibitory effect of grapefruit juice and its bitter principal, naringenin, on CYP1A2 dependent metabolism of caffeine in man |journal=Life Sciences |volume=59 |issue=13 |pages=1025-1030 |year=1996 |pmid=8485024}}</ref> | ||
**[[broccoli]] | **[[broccoli]] | ||
** | **brussel sprouts | ||
** | **chargrilled [[meat]] | ||
*[[insulin]] (in [[diabetes]]) | *[[insulin]] (in [[diabetes]]) | ||
*[[modafinil]] ([[eugeroic]]) | *[[modafinil]] ([[eugeroic]]) | ||
Revision as of 20:40, 7 January 2009
| Cytochrome P450, family 1, subfamily A, polypeptide 2 | |||||||||||
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 PDB rendering based on 2hi4. | |||||||||||
| Identifiers | |||||||||||
| Symbols | CYP1A2 ; CP12; P3-450; P450(PA) | ||||||||||
| External IDs | Template:OMIM5 Template:MGI HomoloGene: 68082 | ||||||||||
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| RNA expression pattern | |||||||||||
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| Species | Human | Mouse | |||||||||
| Entrez | n/a | n/a | |||||||||
| Ensembl | n/a | n/a | |||||||||
| UniProt | n/a | n/a | |||||||||
| RefSeq (mRNA) | n/a | n/a | |||||||||
| RefSeq (protein) | n/a | n/a | |||||||||
| Location (UCSC) | n/a | n/a | |||||||||
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WikiDoc Resources for CYP1A2 |
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Evidence Based Medicine |
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Ongoing Trials on CYP1A2 at Clinical Trials.gov Clinical Trials on CYP1A2 at Google
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US National Guidelines Clearinghouse on CYP1A2
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Books |
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Commentary |
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Definitions |
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Patient Resources / Community |
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Directions to Hospitals Treating CYP1A2 Risk calculators and risk factors for CYP1A2
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Healthcare Provider Resources |
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Continuing Medical Education (CME) |
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International |
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Please Take Over This Page and Apply to be Editor-In-Chief for this topic: There can be one or more than one Editor-In-Chief. You may also apply to be an Associate Editor-In-Chief of one of the subtopics below. Please mail us [1] to indicate your interest in serving either as an Editor-In-Chief of the entire topic or as an Associate Editor-In-Chief for a subtopic. Please be sure to attach your CV and or biographical sketch.
Cytochrome P450 1A2 (abbreviated CYP1A2), a member of the cytochrome P450 mixed-function oxidase system, is involved in the metabolism of xenobiotics in the body.
Expression of CYP1A2 appears to be induced by various dietary constituents.[1]
CYP1A2 Ligands
Table of selected substrates, inducers and inhibitors of CYP1A21
References
- ↑ Fontana R, Lown K, Paine M, Fortlage L, Santella R, Felton J, Knize M, Greenberg A, Watkins P (1999). "Effects of a chargrilled meat diet on expression of CYP3A, CYP1A, and P-glycoprotein levels in healthy volunteers". Gastroenterology. 117 (1): 89–98. PMID 10381914.
- ↑ 2.0 2.1 Mentioned both in the reference named FASS and were previously mentioned in Wikipedia. Further contributions may follow other systems
- ↑ Swedish environmental classification of pharmaceuticals Facts for prescribers (Fakta för förskrivare)
- ↑ Edwards DJ, Bernier SM (1996). "Inhibitory effect of grapefruit juice and its bitter principal, naringenin, on CYP1A2 dependent metabolism of caffeine in man". Life Sciences. 59 (13): 1025–1030. PMID 8485024.
- Meijerman I, Beijnen J, Schellens J. "Herb-drug interactions in oncology: focus on mechanisms of induction". Oncologist. 11 (7): 742–52. PMID 16880233.
Further reading
- Smith G, Stubbins MJ, Harries LW, Wolf CR (1999). "Molecular genetics of the human cytochrome P450 monooxygenase superfamily". Xenobiotica. 28 (12): 1129–65. PMID 9890157.
- Landi MT, Sinha R, Lang NP, Kadlubar FF (1999). "Human cytochrome P4501A2". IARC Sci. Publ. (148): 173–95. PMID 10493258.
- Nelson DR, Zeldin DC, Hoffman SM; et al. (2004). "Comparison of cytochrome P450 (CYP) genes from the mouse and human genomes, including nomenclature recommendations for genes, pseudogenes and alternative-splice variants". Pharmacogenetics. 14 (1): 1–18. PMID 15128046.
- Ikeya K, Jaiswal AK, Owens RA; et al. (1990). "Human CYP1A2: sequence, gene structure, comparison with the mouse and rat orthologous gene, and differences in liver 1A2 mRNA expression". Mol. Endocrinol. 3 (9): 1399–408. PMID 2575218.
- Butler MA, Iwasaki M, Guengerich FP, Kadlubar FF (1989). "Human cytochrome P-450PA (P-450IA2), the phenacetin O-deethylase, is primarily responsible for the hepatic 3-demethylation of caffeine and N-oxidation of carcinogenic arylamines". Proc. Natl. Acad. Sci. U.S.A. 86 (20): 7696–700. PMID 2813353.
- Quattrochi LC, Okino ST, Pendurthi UR, Tukey RH (1986). "Cloning and isolation of human cytochrome P-450 cDNAs homologous to dioxin-inducible rabbit mRNAs encoding P-450 4 and P-450 6". DNA. 4 (5): 395–400. PMID 3000715.
- Quattrochi LC, Pendurthi UR, Okino ST; et al. (1986). "Human cytochrome P-450 4 mRNA and gene: part of a multigene family that contains Alu sequences in its mRNA". Proc. Natl. Acad. Sci. U.S.A. 83 (18): 6731–5. PMID 3462722.
- Wrighton SA, Campanile C, Thomas PE; et al. (1986). "Identification of a human liver cytochrome P-450 homologous to the major isosafrole-inducible cytochrome P-450 in the rat". Mol. Pharmacol. 29 (4): 405–10. PMID 3517618.
- Jaiswal AK, Nebert DW, McBride OW, Gonzalez FJ (1988). "Human P(3)450: cDNA and complete protein sequence, repetitive Alu sequences in the 3' nontranslated region, and localization of gene to chromosome 15". J. Exp. Pathol. 3 (1): 1–17. PMID 3681487.
- Jaiswal AK, Nebert DW, Gonzalez FJ (1986). "Human P3(450): cDNA and complete amino acid sequence". Nucleic Acids Res. 14 (16): 6773–4. PMID 3755823.
- Eugster HP, Probst M, Würgler FE, Sengstag C (1993). "Caffeine, estradiol, and progesterone interact with human CYP1A1 and CYP1A2. Evidence from cDNA-directed expression in Saccharomyces cerevisiae". Drug Metab. Dispos. 21 (1): 43–9. PMID 8095225.
- Schweikl H, Taylor JA, Kitareewan S; et al. (1994). "Expression of CYP1A1 and CYP1A2 genes in human liver". Pharmacogenetics. 3 (5): 239–49. PMID 8287062.
- Yamazaki H, Inoue K, Mimura M; et al. (1996). "7-Ethoxycoumarin O-deethylation catalyzed by cytochromes P450 1A2 and 2E1 in human liver microsomes". Biochem. Pharmacol. 51 (3): 313–9. PMID 8573198.
- Hakkola J, Raunio H, Purkunen R; et al. (1996). "Detection of cytochrome P450 gene expression in human placenta in first trimester of pregnancy". Biochem. Pharmacol. 52 (2): 379–83. PMID 8694864.
- Guengerich FP, Johnson WW (1998). "Kinetics of ferric cytochrome P450 reduction by NADPH-cytochrome P450 reductase: rapid reduction in the absence of substrate and variations among cytochrome P450 systems". Biochemistry. 36 (48): 14741–50. doi:10.1021/bi9719399. PMID 9398194.
- Wacke R, Kirchner A, Prall F; et al. (1998). "Up-regulation of cytochrome P450 1A2, 2C9, and 2E1 in chronic pancreatitis". Pancreas. 16 (4): 521–8. PMID 9598815.
- Macé K, Bowman ED, Vautravers P; et al. (1998). "Characterisation of xenobiotic-metabolising enzyme expression in human bronchial mucosa and peripheral lung tissues". Eur. J. Cancer. 34 (6): 914–20. PMID 9797707.
- Huang JD, Guo WC, Lai MD; et al. (1999). "Detection of a novel cytochrome P-450 1A2 polymorphism (F21L) in Chinese". Drug Metab. Dispos. 27 (1): 98–101. PMID 9884316.
- Tatemichi M, Nomura S, Ogura T; et al. (1999). "Mutagenic activation of environmental carcinogens by microsomes of gastric mucosa with intestinal metaplasia". Cancer Res. 59 (16): 3893–8. PMID 10463577.
See also