• Thumbnail for CYP1A1
    that in humans is encoded by the CYP1A1 gene. The protein is a member of the cytochrome P450 superfamily of enzymes. CYP1A1 is involved in phase I xenobiotic...
    15 KB (1,829 words) - 15:56, 16 September 2024
  • Thumbnail for Benzo(a)pyrene
    Experiments with strains of mice engineered to remove (knockout) CYP1A1 and CYP1B1 reveal that CYP1A1 primarily acts to protect mammals from low doses of BaP,...
    28 KB (2,662 words) - 20:15, 29 June 2024
  • Thumbnail for Benzopyrene
    relates to the activity of cytochrome P450 subclass 1A1 (CYP1A1). Seemingly, the high activity of CYP1A1 in the intestinal mucosa prevents major amounts of...
    6 KB (614 words) - 06:49, 5 November 2023
  • Thumbnail for Methysticin
    suggests that methysticin and the related compound dihydromethysticin have CYP1A1 inducing effects which may be responsible for their toxicity. Additionally...
    5 KB (347 words) - 01:42, 27 December 2023
  • Thumbnail for 6-Formylindolo(3,2-b)carbazole
    its rapid metabolic degradation by CYP1A1. In the first analyses of the metabolism of FICZ, human recombinant CYP1A1 enzyme and S9 fractions prepared from...
    39 KB (4,634 words) - 07:07, 3 June 2024
  • Thumbnail for (+)-Benzo(a)pyrene-7,8-dihydrodiol-9,10-epoxide
    transcription of genes including CYP1A1, resulting in increased CYP1A1 protein production. This process is similar to induction of CYP1A1 by certain polychlorinated...
    16 KB (1,494 words) - 08:30, 24 January 2024
  • Thumbnail for Aryl hydrocarbon receptor
    the induction of cytochrome P450, family 1, subfamily A, polypeptide 1 (Cyp1a1) resultant from TCDD exposure, which was determined to be directly related...
    52 KB (5,968 words) - 15:15, 4 June 2024
  • Thumbnail for Febuxostat
    which are formed mainly by a number of cytochrome P450 liver enzymes (CYP1A1, 1A2, 2C8, 2C9). One of them is a dicarboxylic acid, the other two are hydroxylated...
    17 KB (1,487 words) - 06:57, 14 September 2024
  • Thumbnail for CYP1B1
    CYP1A1 and CYP1A2, CYP1B1 was not identified and sequenced until 1994. Nucleic and amino acid analysis showed approximately 40% identity with CYP1A1....
    8 KB (1,111 words) - 18:29, 6 November 2023
  • Thumbnail for CYP1A2
    CYP3A4 and, to a lesser degree, by CYP1A2 and the extrahepatic isoform CYP1A1 "Verapamil: Drug information. Lexicomp". UpToDate. Archived from the original...
    30 KB (2,813 words) - 06:34, 23 September 2024
  • Thumbnail for Sudan I
    oxidation was also demonstrated with human cytochrome P450 (CYP) enzymes, with CYP1A1 being the major enzyme involved in the oxidation of Sudan I in human tissues...
    22 KB (2,730 words) - 02:43, 19 September 2024
  • Thumbnail for Clonidine
    (0–20%) with negligible contributions from the less abundant enzymes CYP3A5, CYP1A1, and CYP3A4. 4-hydroxyclonidine, the main metabolite of clonidine, is also...
    61 KB (5,553 words) - 20:46, 21 September 2024
  • Thumbnail for Acne
    variations in tumor necrosis factor-alpha (TNF-alpha), IL-1 alpha, and CYP1A1 genes, among others. The 308 G/A single nucleotide polymorphism variation...
    167 KB (18,110 words) - 22:56, 20 August 2024
  • Thumbnail for Estrogen
    Estrogens are metabolized via hydroxylation by cytochrome P450 enzymes such as CYP1A1 and CYP3A4 and via conjugation by estrogen sulfotransferases (sulfation)...
    73 KB (7,786 words) - 15:17, 24 September 2024
  • Enzyme Inhibitors Inducers CYP1A1 Certain foods (e.g., cumin, turmeric) Certain herbs/herbal teas (e.g., peppermint, German chamomile, dandelion, Kava)...
    9 KB (78 words) - 09:09, 12 November 2023
  • Thumbnail for Toll-like receptor 2
    stimulation of NF-κB. In the intestine, TLR2 regulates the expression of CYP1A1, which is a key enzyme in detoxication of carcinogenic polycyclic aromatic...
    22 KB (2,409 words) - 10:20, 12 August 2024
  • Thumbnail for Polycyclic aromatic hydrocarbon
    species that may independently damage DNA. Enzymes in the cytochrome family (CYP1A1, CYP1A2, CYP1B1) metabolize PAHs to diol epoxides. PAH exposure can increase...
    86 KB (8,863 words) - 06:53, 9 May 2024
  • Thumbnail for Resazurin
    a compound used as the substrate in the measurement of cytochrome P450 (CYP1A1) induction using the ethoxyresorufin-O-deethylase (EROD) assay system in...
    19 KB (1,886 words) - 08:45, 11 September 2024
  • Schunck WH, Roots I (2001). "Co-expression of human cytochrome P4501A1 (CYP1A1) variants and human NADPH-cytochrome P450 reductase in the baculovirus/insect...
    11 KB (1,551 words) - 02:54, 2 July 2023
  • Thumbnail for Melatonin
    primarily metabolized by the liver enzyme CYP1A2 and to a lesser extent by CYP1A1, CYP2C19, and CYP1B1. For both research and clinical purposes, melatonin...
    67 KB (7,190 words) - 06:25, 28 September 2024
  • Thumbnail for White-footed mouse
    xenobiotic metabolism. The genes under positive selection pressure include CYP1A1 and Hsp90, which are known to be involved in the metabolism of foreign substances...
    21 KB (2,436 words) - 03:39, 27 September 2024
  • Thumbnail for Alpinia officinarum
    Ciolino, H. P.; Yeh, G. C. (1999). "The flavonoid galangin is an inhibitor of CYP1A1 activity and an agonist/antagonist of the aryl hydrocarbon receptor". British...
    5 KB (599 words) - 14:08, 9 December 2023
  • Thumbnail for Medical cannabis
    products of primarily CYP2C19 and CYP3A4 activity, with potential activity of CYP1A1, CYP1A2, CYP2C9, and CYP2D6. Similar to delta-9-THC, a majority of CBD is...
    112 KB (10,289 words) - 05:54, 30 September 2024
  • Saint-John's wort, a common herbal remedy induces CYP3A4, but also inhibits CYP1A1, CYP1B1. Tobacco smoking induces CYP1A2 (example CYP1A2 substrates are clozapine...
    42 KB (4,497 words) - 18:55, 1 October 2024
  • Thumbnail for Endocrine disruptor
    Coenraads PJ, Dong L, Zhao LJ, Ma SW, et al. (April 2008). "Expression of AhR, CYP1A1, GSTA1, c-fos and TGF-alpha in skin lesions from dioxin-exposed humans with...
    150 KB (17,094 words) - 14:34, 1 October 2024
  • Thumbnail for Harmalol
    (2012). "Harmaline and harmalol inhibit the carcinogen-activating enzyme CYP1A1 via transcriptional and posttranslational mechanisms". Food Chem Toxicol...
    3 KB (189 words) - 19:39, 8 September 2024
  • Thumbnail for Riociguat
    Pharmacokinetic data Bioavailability 94% Protein binding 95% Metabolism CYP1A1, CYP3A4, CYP2C8, CYP2J2 Metabolites N-desmethylriociguat (active), glucuronide...
    21 KB (2,122 words) - 07:28, 10 August 2024
  • Thumbnail for Eicosanoid
    omega oxidation reaction. The human cytochrome P450 (CYP) epoxygenases, CYP1A1, CYP1A2, CYP2C8, CYP2C9, CYP2C18, CYP2C19, CYP2E1, CYP2J2, and CYP2S1 metabolize...
    86 KB (9,651 words) - 05:53, 21 September 2024
  • Thumbnail for CYP3A4
    CYP3A4 and, to a lesser degree, by CYP1A2 and the extrahepatic isoform CYP1A1 "Cyclobenzaprine". DrugBank. Archived from the original on 27 October 2018...
    80 KB (7,794 words) - 21:26, 15 July 2024
  • Thumbnail for Albendazole
    humans, the cytochrome P450 oxidases are thought to include CYP3A4 and CYP1A1, while those in the rats are thought to be CYP2C6 and CYP2A1. Oxidation...
    63 KB (5,157 words) - 23:33, 16 July 2024