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catecholamine
catecholamine
catecholamine Any of a class of amines that possess a catechol (C
6H
4(OH)
2) ring. Including
dopamine,
adrenaline, and
noradrenaline, they function as
neurotransmitters and/or hormones.
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Tyrosine, Phenylalanine, and Catecholamine Synthesis and Function in the Brain1-3
Magazine article from: The Journal of Nutrition; 6/1/2007; ; 700+ words
; ...brain Tyr concentrations stimulates catecholamine production, an effect exclusive to...brain Tyr concentrations and stimulates catecholamine synthesis. Phe, like Tyr, is a substrate...catalyzing the rate-limiting step in catecholamine synthesis. Tyr is the preferred substrate...
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Catecholamine-synthesizing enzymes in carcinoid tumors and pheochromocytomas
Magazine article from: Clinical Chemistry; 4/1/2003; ; 700+ words
; ...these tumors contain specific enzymes for catecholamine synthesis, we aimed to detect catecholamine-synthesizing enzymes [tyrosine hydroxylase...metabolites was found. Conclusions: Catecholamine-synthesizing enzymes are present in...
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Perioperative catecholamine use and adverse cardiac outcomes
Magazine article from: Inpharma Weekly; 7/12/2008; ; 474 words
; Perioperative catecholamine use in heart surgery may be associated...bypass and were included in the 'catecholamine group'. The remaining 573 patients...included in the control group. In the catecholamine group, 89% of the patients received...
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Catecholamine-induced T-wave lability in congenital long QT syndrome: A novel phenomenon associated with syncope and cardiac arrest
Magazine article from: Mayo Clinic Proceedings; 1/1/2003; ; 700+ words
; ...electrocardiograms recorded during catecholamine stress testing with phenylephrine and...LQT1, LQT2, and LQT3 patients during catecholamine provocation and is associated with...LQT2.22 Recently, we showed that catecholamine-provoked (mu)V-TWA occurred...
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Estrogen Supplementation Attenuates Glucocorticide and Catecholamine Responses t.
Magazine article from: OB/GYN Clinical Alert; 4/1/1999; 700+ words
; ...Supplementation Attenuates Glucocorticide and Catecholamine Responses to Mental Stress in Perimenopausal...attenuated blood pressure, cortisol, and catecholamine responses to acute psychological challenge...that estradiol reduces cortisol and catecholamine responses to stress. Twelve women...
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Estrogen Supplementation Attenuates Glucocorticoid and Catecholamine Responses t.
Magazine article from: Internal Medicine Alert; 4/29/1999; 700+ words
; ...Supplementation Attenuates Glucocorticoid and Catecholamine Responses to Mental Stress in Perimenopausal...attenuated blood pressure, cortisol, and catecholamine responses to acute psychological challenge...that estradiol reduces cortisol and catecholamine responses to stress. Twelve women...
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Mechanism of catecholamine resistance in polycystic ovarian syndrome reviewed.
Newspaper article from: Drug Week; 6/27/2003; 700+ words
; ...The mechanisms behind lipolytic catecholamine resistance of subcutaneous fat cells...research from Sweden, "Lipolytic catecholamine resistance in sc fat cells is observed...investigators concluded, "Thus, lipolytic catecholamine resistance of sc adipocytes in PCOS...
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Terlipressin infusion in catecholamine-resistant shock
Magazine article from: Anaesthesia and Intensive Care; 10/1/2003; ; 700+ words
; SUMMARY Catecholamine-resistant shock is not uncommon...cardiogenic, terlipressin, vasopressin Catecholamine-resistant shock is common in intensive...resulted in a dramatic decrease in catecholamine requirements. To our knowledge there...
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Estrogen Supplementation Attenuates Glucocorticoid and Catecholamine Responses to Mental Stress in Perimenopausal Women.
Magazine article from: OB/GYN Clinical Alert; 4/1/1999; 700+ words
; ...attenuated blood pressure, cortisol, and catecholamine responses to acute psychological challenge...THAT estradiol reduces cortisol and catecholamine responses to stress. Twelve women...mechanisms, including cortisol and catecholamine release. Further, basal endocrine...
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Expression of catecholamine-regulated protein 40 increases in some brain regions.
Newspaper article from: Mental Health Weekly Digest; 2/10/2003; 700+ words
; ...laboratory have described brain specific catecholamine-regulated proteins, which bind dopamine...from the molecular cloning of a 40 kDa catecholamine-regulated protein (CRP40) revealed...treatment increases expression of a 40 kDa catecholamine-regulated protein in discrete brain...
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catecholamine
Book article from: The Columbia Encyclopedia, Sixth Edition
catecholamine , any of several compounds occurring naturally in the body that serve as hormones or as neurotransmitters in the sympathetic nervous...
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Catecholamines Tests
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed.
...the type of tumor causing elevated catecholamine levels. Description The catecholamines...for the patient, possibly increasing catecholamine levels in the blood, a plastic or...24-hour urine test. In addition, catecholamine secretion from a tumor may not be steady...
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Dopamine
Encyclopedia entry from: Encyclopedia of Drugs, Alcohol, and Addictive Behavior
DOPAMINE Dopamine (DA) is a catecholamine according to its chemical structure and a neurotransmitter...or reward. DA is also found in minute amounts in other catecholamine neurons as a precursor to norepinephrine. The DA transporter...
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Neurotransmitter
Encyclopedia entry from: The Gale Encyclopedia of Science
...influenced by the target receptor cells. Norepinephrine, a catecholamine, is a biogenic amine derived from the amino acid tyrosine...in the cerebrum, cerebellum, and spinal cord. Another catecholamine found in the brain is dopamine. It appears to be important...
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laughter and humour
Book article from: The Oxford Companion to the Body
...tachycardia, changes in breathing pattern, and an increase in catecholamine production. Hearty laughter increases heart rate, blood...identifiable pathology of the larynx. Finally, the increased catecholamine levels associated with laughter may be responsible for beneficial...
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