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JNK (show MAPK8 Proteins) is a novel mechanistic regulator of CYP3A4 induction by PXR (show NR1I2 Proteins).
The other four metabolites were almost exclusively metabolized by CYP3A4.
It observed an increase in the activity of CYP3A following but not during pregnancy when measured using the 4beta-hydroxycholesterol/cholesterol ratio. In addition, based on our results, it suggestes that the plasma 4beta-hydroxycholesterol/cholesterol ratio be used to measure CYP3A activity in pregnant women.
These findings also suggest that EGF (show EGF Proteins) may be an important regulator of CYP3A4 expression in vivo.
our results indicate that a significant level of MDR1 mRNA, but not CYP3A4 mRNA, is intrinsically present before chemotherapy in advanced STS (show STS Proteins) tumors.
A weak-to-moderate CYP3A4 induction by midostaurin.
CYP3A4 *18B and GCK (show GCK Proteins) G-30A polymorphisms were related to new-onset diabetes after transplantation (p < 0.05). The lower concentration/dose or fasting serum glucose was in CYP3A4 *1/*1 carriers than that in *18B/*18B carriers in all the renal transplant recipients (p < 0.05), respectively.
Data suggest high similarity in mechanisms involved in regulation of expression of pig CYP3A29 and human CYP3A4 in hepatocytes.
rs7668282 (UGT2B7 (show UGT2B7 Proteins), T>C) was more prevalent in sodium valproate (VPA)-resistant patients than drug-responsive patients. rs2242480 (CYP3A4, C>T) and rs10188577 (SCN1A (show SCN1A Proteins), T>C) were more prevalent in drug-responsive patients compared to drug-resistant patients. In children with generalized seizures on VPA therapy, polymorphisms of UGT2B7 (show UGT2B7 Proteins), CYP3A4, and SCN1A (show SCN1A Proteins) genes were associated with seizure reduction.
The metabolites are predominantly catalyzed by CYP3A4 (77% approximately 87%), with a moderate contribution from CYP3A5 (show CYP3A5 Proteins) (5% approximately 15%) and CYP1A2 (show CYP1A2 Proteins) (3.7% approximately 7.5%).
It was concluded that CYP3A related metabolism in horse is not solely dependent on the expression of the enzyme but also on adequate levels of NADPH P450 reductase (show POR Proteins) and cytochrome b(5 (show CYB5A Proteins)).
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases that catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and its expression is induced by glucocorticoids and some pharmacological agents. This enzyme is involved in the metabolism of approximately half the drugs in use today, including acetaminophen, codeine, cyclosporin A, diazepam and erythromycin. The enzyme also metabolizes some steroids and carcinogens. This gene is part of a cluster of cytochrome P450 genes on chromosome 7q21.1. Previously another CYP3A gene, CYP3A3, was thought to exist\; however, it is now thought that this sequence represents a transcript variant of CYP3A4. Alternatively spliced transcript variants encoding different isoforms have been identified.
, P450-III, steroid inducible
, albendazole monooxygenase
, albendazole sulfoxidase
, cytochrome P450 3A3
, cytochrome P450 3A4
, cytochrome P450 HLp
, cytochrome P450 NF-25
, cytochrome P450, subfamily IIIA (niphedipine oxidase), polypeptide 3
, cytochrome P450, subfamily IIIA (niphedipine oxidase), polypeptide 4
, cytochrome P450-PCN1
, glucocorticoid-inducible P450
, nifedipine oxidase
, quinine 3-monooxygenase
, taurochenodeoxycholate 6-alpha-hydroxylase
, cytochrome P450, family 3, subfamily A, polypeptide 4
, cytochrome P450 3A80
, Cytochrome P450 CM3A-10
, cytochrome P450 3A21
, cytochrome P450 CYP3A12