General Information of Drug-Metabolizing Enzyme (DME ID: DME0006)
DME Name Cytochrome P450 1A1 (CYP1A1), Homo sapiens DME Info
UniProt ID
CP1A1_HUMAN
EC Number    EC: 1.14.14.1     (Click to Show/Hide the Complete EC Tree)
Oxidoreductase
Oxygen paired donor oxidoreductase
Flavin/flavoprotein donor oxidoreductase
EC: 1.14.14.1
Lineage    Species: Homo sapiens     (Click to Show/Hide the Complete Species Lineage)
Kingdom: Metazoa
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo sapiens
Interactome
Disease Specific Interactions between Host Protein and DME (HOSPPI)
      ICD Disease Classification Healthy
               ICD-11: Healthy Click to Show/Hide the Full List of HOSPPI:        2 HOSPPI
                     Oligomerization
                            Epoxide hydrolase 1 (EPHX1) Health Heterooligomer
Uniprot ID
HYEP_HUMAN
Interaction Name EPHX1, UGT1A1 and CYP1A1 heterooligomerization [1]
Studied Cell Lines liver microsomes
Description Epoxide hydrolase 1 (EPHX1) and UDPGT 1-1 (UGT1A1) are reported to heterooligomerize with the CYP1A1 protein, which leads to an increased activity of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction among EPHX1, UGT1A1 and CYP1A1 can facilitate the drug-metabolizing process of Cytochrome P450 1A1.
                            UDPGT 1-1 (UGT1A1) Health Heterooligomer
Uniprot ID
UD11_HUMAN
Interaction Name UGT1A1, EPHX1 and CYP1A1 heterooligomerization [1]
Studied Cell Lines liver microsomes
Description UDPGT 1-1 (UGT1A1) and Epoxide hydrolase 1 (EPHX1) are reported to heterooligomerize with the CYP1A1 protein, which leads to an increased activity of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction among UGT1A1, EPHX1and CYP1A1 can facilitate the drug-metabolizing process of Cytochrome P450 1A1.
      ICD Disease Classification 02 Neoplasms
               ICD-11: 2B90 Colorectal cancer Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     Transcription-factor regulation
                            PPA receptor alpha (PPARA) Colorectal cancer Activation
Uniprot ID
PPARA_HUMAN
Interaction Name PPARA-CYP1A1 interaction [2]
Studied Cell Lines Caco-2 cell line
Ensembl ID
ENSG00000186951
Description PPA receptor alpha (PPARA) is reported to activate the transcription of CYP1A1 gene, which leads to an increased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between PPARA and CYP1A1 can activate the drug-metabolizing process of Cytochrome P450 1A1.
               ICD-11: 2C12 Liver cancer Click to Show/Hide the Full List of HOSPPI:        4 HOSPPI
                     Transcription-factor regulation
                            Aryl hydrocarbon receptor (AHR) Liver cancer Repression
Uniprot ID
AHR_HUMAN
Interaction Name AHR-CYP1A1 interaction [3], [4], [5]
Studied Cell Lines HepG2 and Hepa-1c1c7 cell lines
Ensembl ID
ENSG00000106546
Description Aryl hydrocarbon receptor (AHR) is reported to repress the transcription of CYP1A1 gene, which leads to a decreased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between AHR and CYP1A1 can repress the drug-metabolizing process of Cytochrome P450 1A1.
                            Hypoxia-inducible factor 1-beta (ARNT) Liver cancer Activation
Uniprot ID
ARNT_HUMAN
Interaction Name ARNT-CYP1A1 interaction [6]
Studied Cell Lines HuH7 and HepG2 cell lines
Ensembl ID
ENSG00000143437
Description Hypoxia-inducible factor 1-beta (ARNT) is reported to activate the transcription of CYP1A1 gene, which leads to an increased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between ARNT and CYP1A1 can activate the drug-metabolizing process of Cytochrome P450 1A1.
                            Nuclear factor 1 C-type (NFIC) Liver cancer Repression
Uniprot ID
NFIC_HUMAN
Interaction Name NFIC-CYP1A1 interaction [7]
Studied Cell Lines HepG2 cell line
Ensembl ID
ENSG00000141905
Description Nuclear factor 1 C-type (NFIC) is reported to repress the transcription of CYP1A1 gene, which leads to a decreased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between NFIC and CYP1A1 can repress the drug-metabolizing process of Cytochrome P450 1A1.
                            Upstream stimulatory 1 (USF1) Liver cancer Repression
Uniprot ID
USF1_HUMAN
Interaction Name USF1-CYP1A1 interaction [8]
Studied Cell Lines Human liver cancer cell line (HepG2) and mouse hepatoma Hepa-1c1c7 cell line
Ensembl ID
ENSG00000158773
Description Upstream stimulatory 1 (USF1) is reported to repress the transcription of CYP1A1 gene, which leads to a decreased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between USF1 and CYP1A1 can repress the drug-metabolizing process of Cytochrome P450 1A1.
               ICD-11: 2C25 Lung cancer Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Lung cancer Significant hypomethylation
Uniprot ID
DNMT1_HUMAN
Interaction Name DNMT-CYP1A1 interaction [9]
Studied Cell Lines Lung tissue
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP1A1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between DNMT and CYP1A1 can significantly affect the drug-metabolizing process of Cytochrome P450 1A1.
               ICD-11: 2C60 Breast cancer Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     Transcription-factor regulation
                            Estrogen receptor (ESR1) Breast cancer Repression
Uniprot ID
ESR1_HUMAN
Interaction Name ESR1-CYP1A1 interaction [10]
Studied Cell Lines MCF-7 cell line
Ensembl ID
ENSG00000091831
Description Estrogen receptor (ESR1) is reported to repress the transcription of CYP1A1 gene, which leads to a decreased expression of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between ESR1 and CYP1A1 can repress the drug-metabolizing process of Cytochrome P450 1A1.
               ICD-11: 2C77 Cervical cancer Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     Histone modification
                            Histone deacetylases (HDACs) Cervical cancer Repression
Uniprot ID
HDAC1_HUMAN
Interaction Name HDACs-CYP1A1 interaction [11]
Studied Cell Lines HeLa cell line
Description Histone deacetylases (HDACs) are reported to deacetylate the CYP1A1 gene and thereby repress the transcriptional activity of the drug-metabolizing enzyme Cytochrome P450 1A1. As a result, the interaction between HDACs and CYP1A1 can inhibit the drug-metabolizing process of Cytochrome P450 1A1.
References
1 Interaction between cytochrome P450 and other drug-metabolizing enzymes: evidence for an association of CYP1A1 with microsomal epoxide hydrolase and UDP-glucuronosyltransferase. Biochem Biophys Res Commun. 2000 Jul 14;273(3):1048-52.
2 Evidence for a new human CYP1A1 regulation pathway involving PPAR-alpha and 2 PPRE sites. Gastroenterology. 2004 Nov;127(5):1436-45.
3 Identification of kaempferol as an inhibitor of cigarette smoke-induced activation of the aryl hydrocarbon receptor and cell transformation. Carcinogenesis. 2007 Mar;28(3):639-47.
4 Polymorphisms in the human AH receptor. Chem Biol Interact. 2002 Sep 20;141(1-2):161-87.
5 Resveratrol inhibits transcription of CYP1A1 in vitro by preventing activation of the aryl hydrocarbon receptor. Cancer Res. 1998 Dec 15;58(24):5707-12.
6 Aryl hydrocarbon receptor nuclear translocator in human liver is regulated by miR-24. Toxicol Appl Pharmacol. 2012 May 1;260(3):222-31.
7 An autoregulatory loop controlling CYP1A1 gene expression: role of H(2)O(2) and NFI. Mol Cell Biol. 1999 Oct;19(10):6825-32.
8 Upstream stimulatory factor 1 (USF1) suppresses induction of CYP1A1 mRNA by 3-methylcholanthrene (MC) in HepG2 cells. Biochem Biophys Res Commun. 1997 Nov 17;240(2):293-7.
9 Combined effects of cigarette smoking, gene polymorphisms and methylations of tumor suppressor genes on non small cell lung cancer: a hospital-based case-control study in China. BMC Cancer. 2010 Aug 12;10:422.
10 ER alpha-AHR-ARNT protein-protein interactions mediate estradiol-dependent transrepression of dioxin-inducible gene transcription. J Biol Chem. 2005 Jun 3;280(22):21607-11.
11 Effects of histone deacetylation and DNA methylation on the constitutive and TCDD-inducible expressions of the human CYP1 family in MCF-7 and HeLa cells. Toxicol Lett. 2003 Sep 30;144(2):247-56.

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