Studies on aromatic amino acid oxidase activity in ram spermatozoa: role of pyruvate as an antioxidant

Chemical antioxidants and catalase have been shown to be ineffective in improving the motility of ram spermatozoa in a chemically-defined diluent (RSD-1). In an attempt to identify the biochemical basis of this observation, the activity of aromatic amino acid oxidase (AAAO), the enzyme responsible f...

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Veröffentlicht in:	Animal reproduction science 1998-05, Vol.51 (4), p.275-287
Hauptverfasser:	Upreti, G.C., Jensen, K., Munday, R., Duganzich, D.M., Vishwanath, R., Smith, J.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	ACIDE AMINE ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE Amino Acid Oxidoreductases - analysis Amino Acid Oxidoreductases - metabolism Amino Acid Oxidoreductases - physiology AMINO ACIDS AMINOACIDOS Animals Antioxidants - metabolism Antioxidants - pharmacology Aromatic amino acid oxidase AROMATIC COMPOUNDS BELIER Buffers Catalase - pharmacology Cattle COMPOSE AROMATIQUE COMPUESTOS AROMATICOS Enzyme Inhibitors - pharmacology ENZYMIC ACTIVITY ESPERMATOZOO Ethylmaleimide - pharmacology Fumarates - pharmacology Glucose - pharmacology Glutamic Acid - pharmacology Hot Temperature Hydrogen-Ion Concentration Male Morpholines - pharmacology MORUECO Motility MOUVEMENT MOVEMENT MOVIMIENTO OXIDOREDUCTASES OXIDORREDUCTASAS Oximetry - veterinary OXYDOREDUCTASE PIRUVATOS PYRUVATE PYRUVATES Pyruvic Acid - pharmacology RAMS Reactive Oxygen Species - metabolism Semen - enzymology Semen - physiology Sheep - physiology Sheep-male reproduction Sperm Motility SPERMATOZOA Spermatozoa - enzymology Spermatozoa - physiology Spermatozoa-biochemistry SPERMATOZOIDE
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