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Cytochrome P450, family 3, subfamily A, polypeptide 4

CYP3A4, histone deacetylase, CYP3A, HDAC1
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. [provided by RefSeq, Feb 2011] (from NCBI)
Top mentioned proteins: Histone, HDAC, CAN, ACID, Cyp
Papers using CYP3A4 antibodies
CellProfiler: image analysis software for identifying and quantifying cell phenotypes.
Saks Valdur, In PLoS ONE, 2005
... Anti-vimentin (V9), anti-Myc (A-14) and anti-HDAC1 (H-11) antibodies were from Santa Cruz Biotechnology (Santa Cruz, CA, USA) ...
Augmentation of tumor angiogenesis by a Myc-activated microRNA cluster.
Oshima Robert, In PLoS ONE, 2005
... weight fibroblast growth factor (lo-FGF Santa Cruz Biotechnology), HO-1 (Stressgen, Ann Arbor, MI, USA), cytochrome-c, HDAC5 (Cell Signaling, Danvers, MA, USA), HDAC1 ...
The effects of colony-stimulating factor-1 on the distribution of mononuclear phagocytes in the developing osteopetrotic mouse.
Kaul Rupert, In PLoS ONE, 1997
... Membranes were probed using polyclonal antibodies raised against Phospho-STAT-6 (PSTAT6) and HDAC1 (Santa Cruz Biotechnologies, Cell Signaling Technologies) ...
Papers on CYP3A4
CYLD mediates ciliogenesis in multiple organs by deubiquitinating Cep70 and inactivating HDAC6.
Zhou et al., Tianjin, China. In Cell Res, 24 Nov 2014
In addition, CYLD-mediated inhibition of histone deacetylase 6 (HDAC6), which promotes tubulin acetylation, constitutes another mechanism for the ciliary function of CYLD.
Influenza A virus uses the aggresome processing machinery for host cell entry.
Yamauchi et al., Zürich, Switzerland. In Science, 24 Nov 2014
The capsids mimicked misfolded protein aggregates by carrying unanchored ubiquitin chains that activated a histone deacetylase 6 (HDAC6)-dependent pathway.
Histone Hyperacetylation Upregulates PKCδ in Dopaminergic Neurons to Induce Cell Death: Relevance to Epigenetic Mechanisms of Neurodegeneration in Parkinson's Disease.
Kanthasamy et al., United States. In J Biol Chem, 23 Nov 2014
Treatment with histone deacetylase inhibitor (HDACi) sodium butyrate (NaBu) induced PKCδ expression in cultured neurons, brain slices, and animal models.
Mysteries of metals in metalloenzymes.
Alexandrova et al., Los Angeles, United States. In Acc Chem Res, 21 Nov 2014
For example, histone deacetylase 8 naturally operates with Zn(2+) in the active site but becomes much more active with Fe(2+).
Novel Approaches in Anaplastic Thyroid Cancer Therapy.
Chen et al., Madison, United States. In Oncologist, 26 Oct 2014
This review will cover several cellular signaling pathways and mechanisms, including RET/PTC, RAS, BRAF, Notch, p53, and histone deacetylase, which are identified to play roles in the transformation and dedifferentiation process, and therapies that target these pathways.
Synthesis and metabolic studies of 1α,2α,25-, 1α,4α,25- and 1α,4β,25-trihydroxyvitamin D3.
Kittaka et al., Tokyo, Japan. In J Steroid Biochem Mol Biol, 25 Oct 2014
We first chemically synthesized 1α,2α,25-trihydroxyvitamin D3 [1α,2α,25(OH)3D3] to study its VDR binding affinity because this metabolite is a product of recombinant human CYP3A4 catalysis when 2α-(3-hydroxypropoxy)-1α,25-dihydroxyvitamin D3 (O2C3), a more potent vitamin D receptor (VDR) binder than 1α,25-dihydroxyvitamin D3 [1α,25(OH)2D3], is used as the substrate.
Epigenetic and neurological effects and safety of high-dose nicotinamide in patients with Friedreich's ataxia: an exploratory, open-label, dose-escalation study.
Festenstein et al., London, United Kingdom. In Lancet, 09 Sep 2014
Preclinical studies have shown that the histone deacetylase inhibitor nicotinamide (vitamin B3) can remodel the pathological heterochromatin and upregulate expression of FXN.
Chromatin repressive complexes in stem cells, development, and cancer.
Helin et al., Copenhagen, Denmark. In Cell Stem Cell, Jul 2014
Here, we review the roles of the polycomb repressive complexes, PRC1 and PRC2, and the HDAC1- and HDAC2-containing complexes, NuRD, Sin3, and CoREST, in stem cells, development, and cancer, as well as the ongoing efforts to develop therapies targeting these complexes in human cancer.
Trichostatin A enhances vascular repair by injected human endothelial progenitors through increasing the expression of TAL1-dependent genes.
Brand et al., Ottawa, Canada. In Cell Stem Cell, Jun 2014
Based on these findings, we establish a strategy that enhances the revascularization efficiency of ECFCs after ischemia through ex vivo priming with the histone deacetylase inhibitor TSA.
The role of CYP3A4 in the biotransformation of bile acids and therapeutic implication for cholestasis.
Chen et al., Australia. In Ann Transl Med, Jan 2014
CYP3A4 is a major cytochrome P450.
An evidence-based review of ixazomib citrate and its potential in the treatment of newly diagnosed multiple myeloma.
Leoni et al., Ancona, Italy. In Onco Targets Ther, Dec 2013
Ixazomib was found to overcome bortezomib resistance and to trigger synergistic antimyeloma activity with dexamethasone, lenalidomide, and histone deacetylase inhibitors.
Ataxia-telangiectasia: future prospects.
Al-Baradie et al., Ad Dammām, Saudi Arabia. In Appl Clin Genet, Dec 2013
As of now, apart from glucocorticoids, use of histone deacetylase inhibitors/EZH2 to minimize effect of the absence of ATM, looks more promising.
Dual Effects of Ketoconazole cis-Enantiomers on CYP3A4 in Human Hepatocytes and HepG2 Cells.
Dvořák et al., Olomouc, Czech Republic. In Plos One, Dec 2013
Catalytic activity of CYP3A4/5 towards two prototypic substrates of CYP3A enzymes, testosterone and midazolam, was determined in presence of both (+)-ketoconazole and (-)-ketoconazole in human liver microsomes.
Inhibitory Effects of Cedrol, β-Cedrene, and Thujopsene on Cytochrome P450 Enzyme Activities in Human Liver Microsomes.
Lee et al., Puch'ŏn, South Korea. In J Toxicol Environ Health A, Dec 2013
Cedrol also markedly inhibited CYP3A4-mediated midazolam hydroxylation with a Ki value of 3.4 μM, whereas β-cedrene and thujopsene moderately blocked CYP3A4.
Enantioselective N-Demethylation and Hydroxylation of Sibutramine in Human Liver Microsomes and Recombinant Cytochrome P-450 Isoforms.
Kim et al., Aurangābād, India. In J Toxicol Environ Health A, Dec 2013
CYP3A4 and CYP3A5 were only involved in the formation of M1, whereas CYP2B6 and CYP2C19 were responsible for all metabolic reactions of sibutramine.
Unexpected contribution of cytochrome P450 enzymes CYP11B2 and CYP21, as well as CYP3A4 in xenobiotic androgen elimination - insights from metandienone metabolism.
Schänzer et al., Berlin, Germany. In Toxicol Lett, 2012
Report role of CYP3A4 in metandienone metabolism.
DEC1 binding to the proximal promoter of CYP3A4 ascribes to the downregulation of CYP3A4 expression by IL-6 in primary human hepatocytes.
Yan et al., Nanjing, China. In Biochem Pharmacol, 2012
findings suggest that the repression of CYP3A4 by IL-6 is achieved through increasing the DEC1 expression in human hepatocytes, the increased DEC1 binds to the CCCTGC sequence in the promoter of CYP3A4 to form CCCTGC-DEC1 complex
Micro-RNA-632 downregulates DNAJB6 in breast cancer.
Samant et al., Mobile, United States. In Lab Invest, 2012
miR-632 is a potentially important epigenetic regulator of DNAJB6, which contributes to the downregulation of DNAJB6 and plays a supportive role in malignant progression
Oxidation of dihydrotestosterone by human cytochromes P450 19A1 and 3A4.
Guengerich et al., Nashville, United States. In J Biol Chem, 2012
Oxidation of dihydrotestosterone by human cytochromes P450 19A1 and 3A4
Separase-dependent cleavage of pericentrin B is necessary and sufficient for centriole disengagement during mitosis.
Rhee et al., Seoul, South Korea. In Cell Cycle, 2012
The pericentrin B cleavage is essential for timely centriole disengagement and duplication.
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