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(biochemistry) a class of hemoprotein whose principal biological function is electron transfer (especially in cellular respiration)

References in periodicals archive ?
Tacrolimus is metabolized primarily by cytochrome P450 (CYP) 3A4 and 3A5.
Interaction of cytochrome P450 3A inhibitors with P-glycoprotein.
Rozman, "Mammalian cytochromes P450--importance of tissue specificity," Biochimica et Biophysica Acta--General Subjects, vol.
Yeh, "Dibenzoylmethane modulates aryl hydrocarbon receptor function and expression of cytochromes P450 1A1, 1A2, and 1B1," Cancer Research, vol.
Purpose: Potential drug-interactions with MA via inhibition of cytochrome P450 (CYP) activity in human liver microsomes (HLMs), have not been investigated.
(1977) Oxidation-reduction potentials of cytochromes P-450 and ferredoxin in the bovine adrenal.
Cytochrome P450 (CYP) enzymes such as CYP2D6 are involved in metabolism of antidepressants, including selective serotonin reuptake inhibitors (SSRIs), which often are a first-line choice for patients with major depressive disorder (MDD).
In Pakistan, No comprehensive phylogenetic studies have so far been undertaken to collect molecular information by deciphering the cytochrome b gene (complete or partial) for the three species of interest.
The insight provided by knowledge of the crystal structures of cytochromes P450 and how drugs bind to these enzymes allows for the design of drug candidates with improved drug metabolism properties thereby reducing attrition rates in drug development and resulting in safer and more effective new medicines.
Cytochromes: Specialized enzymes within mitochondria and other cell structures.
Allelic variants of cytochromes P450 2C modify the risk for acute myocardial infarction.
Effects of treatments on oxidation/reduction state of mitochondrial cytochromes were determined from difference spectra of gills under treatment conditions minus the same gills under air-saturated seawater conditions.
Cytochromes P-450 in rats: structures, functions, properties and relevant human forms.
The mitochondrial apoptotic pathway is characterized by mitochondrial dysfunction with release of caspase activators, including mitochondrial permeability transition pore (mPTP) opening, loss of mitochondrial transmembrane potential ([DELTA][PSI]m), cytochrome c release, and changes in Bcl2/Bax ratio, which are followed by activation of caspase9 and caspase-3 [3, 4].
In vitro studies have indicated that cytochrome [P.sub.450] enzymes are involved in the metabolism of [gamma]-HCH [5].