[Brain enzyme activity in irradiated sympathectomized rats]. 1985

A T Pikulev, and M F Kukulianskaia, and I P Khripchenko, and L P Gavriliuk, and I A Pevzner

The results are reviewed from studies of activity of hexokinase (2.7.1.1.EC), dehydrogenase glucose-6-phosphate (1.1.1.49 EC), and cholinesterase (3.1.1.7 EC) in subcellular fractions of rat brain at the background of chemical sympathectomy induced by long-term administration of guanethidine and subsequent irradiation with a dose of 7 Gy. In conditions of sympathectomy, the enzyme activity is inhibited; in irradiated sympathectomized rats, activity of hexokinase and cholinesterase increases to reach the level of that of intact animals while dehydrogenase remains inhibited.

UI MeSH Term Description Entries
D008297 Male Males
D011833 Radiation Injuries, Experimental Experimentally produced harmful effects of ionizing or non-ionizing RADIATION in CHORDATA animals. Experimental Radiation Injuries,Injuries, Experimental Radiation,Experimental Radiation Injury,Radiation Injury, Experimental
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002802 Cholinesterases Acylcholineacylhydrolase,Cholase,Cholinesterase
D005954 Glucosephosphate Dehydrogenase Glucose-6-Phosphate Dehydrogenase,Dehydrogenase, Glucose-6-Phosphate,Dehydrogenase, Glucosephosphate,Glucose 6 Phosphate Dehydrogenase
D006145 Guanethidine An antihypertensive agent that acts by inhibiting selectively transmission in post-ganglionic adrenergic nerves. It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues. ((2-Hexahydro-1(2H)-azocinyl)ethyl)guanidine,Guanethidine Monosulfate,Guanethidine Sulfate,Guanethidine Sulfate (1:1),Guanethidine Sulfate (1:2),Guanethidine Sulfate (2:1),Guanethidine Sulfate (2:1), 14C-Labeled,Ismelin,Isobarin,Octadine,Oktadin,Monosulfate, Guanethidine,Sulfate, Guanethidine
D006593 Hexokinase An enzyme that catalyzes the conversion of ATP and a D-hexose to ADP and a D-hexose 6-phosphate. D-Glucose, D-mannose, D-fructose, sorbitol, and D-glucosamine can act as acceptors; ITP and dATP can act as donors. The liver isoenzyme has sometimes been called glucokinase. (From Enzyme Nomenclature, 1992) EC 2.7.1.1. Hexokinase A,Hexokinase D,Hexokinase II
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013563 Sympathectomy, Chemical Sympathectomy using chemicals (e.g., 6-hydroxydopamine or guanethidine) which selectively and reversibly destroy adrenergic nerve endings while leaving cholinergic nerve endings intact. Chemosympathectomy,Denervation, Sympathetic, Chemical,Chemical Sympathectomy,Chemical Sympathetic Denervation,Sympathetic Denervation, Chemical,Chemical Sympathectomies,Chemical Sympathetic Denervations,Chemosympathectomies,Denervation, Chemical Sympathetic,Denervations, Chemical Sympathetic,Sympathectomies, Chemical,Sympathetic Denervations, Chemical
D013564 Sympathetic Nervous System The thoracolumbar division of the autonomic nervous system. Sympathetic preganglionic fibers originate in neurons of the intermediolateral column of the spinal cord and project to the paravertebral and prevertebral ganglia, which in turn project to target organs. The sympathetic nervous system mediates the body's response to stressful situations, i.e., the fight or flight reactions. It often acts reciprocally to the parasympathetic system. Nervous System, Sympathetic,Nervous Systems, Sympathetic,Sympathetic Nervous Systems,System, Sympathetic Nervous,Systems, Sympathetic Nervous

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