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1. The combination of a substance with oxygen.
2. A reaction in which the atoms of an element lose electrons and the valence of the element is correspondingly increased.

[French, from oxider, to oxidize, from oxide, oxide; see oxide.]

ox′i·da′tive adj.
ox′i·da′tive·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.oxidative - taking place in the presence of oxygen; "oxidative glycolysis"; "oxidative rancidity"
aerobic, aerophilic, aerophilous - depending on free oxygen or air; "aerobic fermentation"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
* Mitochondrial enzymes that catalyze the oxidative deamination of amines, such as dopamine, norepinephrine, and serotonin (MAOA and MAOB)
MAOs employ a FAD cofactor to catalyze the oxidative deamination of several monoamines, including not only neurotransmitters (e.g., serotonin, norepinephrine, and dopamine) but also exogenous amines ingested with normal diets (tyramine), generating [H.sub.2][O.sub.2] and the corresponding aldehydes as by-products (Figure 1).
Also the existence of autistic abnormalities of several genes was found involved in carrying out processes in the redox reactions, such as functional polymorphism in the monoamine oxidase A (MAOA) promoter region (MAOA catalyze the oxidative deamination of monoamines, serotonin) (35).
The fibrotic component of systemic sclerosis is believed to be due to the stimulation of fibroblasts by certain cytokines and growth factors and more recently due to connective tissue growth factor (CTGF).5 Both collagen and elastin are fibrous proteins which require the formation of intermolecular crosslinks for their stability.6 These crosslinks are formed by oxidative deamination of lysine oxidases which are copper dependent.
Glutamate dehydrogenase (GDH) a mitochondrial enzyme catalyses the oxidative deamination of glutamate providing a- ketoglutarate to the Krebs cycle (Reddy and Venugopal 1990).
L-amino acid oxidases (LAOX) catalyse the stereospecific oxidative deamination of amino acid substrates to the corresponding a-keto acids along with the production of ammonia and hydrogen peroxide via an imino acid intermediate [2].
The mycobacterial L-alanine dehydrogenase (MtAlaDH; EC catalyzes the NADH-dependent reversible oxidative deamination of L-alanine to pyruvate and ammonia [6].

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