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acetylcholine
acetylcholine
acetylcholine (ACh) An acetyl ester of
choline that is involved in synaptic (see
SYNAPSE) transmission between nerve cells. It is released from
vesicles by the presynaptic
neurone and diffuses across the
synaptic cleft where it interacts with specific receptors to produce a local depolarization of the postsynaptic membrane, thus enabling the transmission of nerve impulses.
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Reactivity of Urinary Bladder Smooth Muscle in Guinea Pigs to Acetylcholine and Carbachol: Participation of Acetylcholinesterase
Magazine article from: Physiological Research; 7/1/2005; ; 700+ words
; ...participation of pharmacokinetic properties of acetylcholine and carbachol in different UBSM reactivity...UBSM strips to cumulative doses of acetylcholine and carbachol was tested before and...significant increase of UBSM reactivity to acetylcholine. The UBSM reactivity to acetylcholine...
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Acetylcholine-blocking drugs linked to Alzheimer plaques in Parkinson patients.
Newspaper article from: Health & Medicine Week; 8/11/2003; 700+ words
; ...com & NewsRx.net) -- Acetylcholine is a critical nervous system...Parkinson, blocking the actions of acetylcholine can reduce symptoms, while...opposite is true - boosting acetylcholine's effects can be beneficial...
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Effect of Etomidate on Endothelium-dependent Relaxation Induced by Acetylcholine in Rat Aorta
Magazine article from: Anaesthesia and Intensive Care; 8/1/2004; ; 700+ words
; ...endothelium-dependent relaxation induced by acetylcholine in rat aorta, and to elucidate the...6^ M, dose-response curves for acetylcholine (10^sup -9^ to 10^sup -5...the dose-response curves induced by acetylcholine (receptor-mediated endothelium...
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Nicotinic acetylcholine receptor subunit variants are associated with blood pressure; findings in the Old Order Amish and replication in the Framingham Heart Study.(Research article)
Magazine article from: BMC Medical Genetics; 7/14/2008; ; 700+ words
; ...encode subunits of the same nicotinic acetylcholine receptor that form the neuromuscular nicotinic acetylcholine receptor. Figure 1: Variance components...of hypertension [7]. Nicotinic acetylcholine receptors play an important role in...
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Development of DNA aptamers for cytochemical detection of acetylcholine
Magazine article from: In Vitro Cellular & Developmental Biology; 3/1/2008; ; 700+ words
; ...novel approach to the detection of acetylcholine using DNA aptamers. Aptamers were developed by eight rounds of acetylcholine affinity column chromatography...plate assays and found to bind acetylcholine and related compounds, but not...
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Vasorelaxations are induced by CGRP, VIP, acetylcholine in iNOS-knockout mice.
Newspaper article from: Heart Disease Weekly; 5/4/2003; 700+ words
; ...Vasorelaxations are induced by CGRP, VIP, and acetylcholine in iNOS-knockout mice. "The objective...vasoactive intestinal peptide (VIP), and acetylcholine are altered in aortic rings of mice...mice did not relax in response to acetylcholine, thereby confirming previous reports...
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Acetylcholine esterase levels in different clinical types of vitiligo in Baroda, Gujarat.(Case Report)(Clinical report)
Magazine article from: Indian Journal of Dermatology; 10/1/2006; ; 700+ words
; ...neurochemical mediator/s such as acetylcholine secreted by the nerve endings...destruction of melanocytes. Acetylcholine esterase (AChE) activity has...matched healthy controls. Acetylcholine esterase activity showed significant...
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Acetylcholine and serotonin induce larval metamorphosis of the Japanese short-neck clam Ruditapes philippinarum.
Magazine article from: Journal of Shellfish Research; 4/1/2004; ; 700+ words
; ...investigated by exposing pediveligers to acetylcholine, serotonin, epinephrine, norepinephrine...10[micro]M and 100 [micro]M acetylcholine was 92.9% and 70.6%. respectively...with exposure time when treated with acetylcholine, carbamylcholine, and serotonin...
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Neuropeptide Y inhibits acetylcholine release in the atrium of the heart.
Newspaper article from: Obesity, Fitness & Wellness Week; 7/17/2004; 700+ words
; ...of sympathetic neurotransmitters on acetylcholine release," scientists writing in the...and ATP are capable of modulating acetylcholine release in human heart atrium. Human...was taken as an index of endogenous acetylcholine release. NE, NPY, ATP, and a P2...
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Alzheimer's, aging and acetylcholine.
Magazine article from: Science News; 11/26/1988; ; 700+ words
; Alzheimer's, aging and acetylcholine Consisting of perhaps no more...doses of the neurotransmitter acetylcholine, which scientists believe modulates...degenerates, leading to depressed acetylcholine production. Many experimental...
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acetylcholine
Book article from: The Oxford Companion to the Body
acetylcholine is a neurotransmitter released from...intracellular substance ( cytoplasm ). Acetylcholine is stored in the nerve terminal...invades the nerve terminal, a shower of acetylcholine vesicles is released into the junction...
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Acetylcholine
Book article from: Chemistry: Foundations and Applications
Acetylcholine Acetylcholine is the neurotransmitter produced by neurons referred to as cholinergic neurons. In the peripheral nervous system acetylcholine plays a role in skeletal muscle movement, as well as in the regulation...
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acetylcholine esterase
Book article from: A Dictionary of Zoology
acetylcholine esterase An enzyme present within the synaptic cleft that hydrolyses acetylcholine to choline and acetic acid, thus preparing the synapse for the passage of a new impulse.
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Neurotransmitters
Encyclopedia entry from: Gale Encyclopedia of Neurological Disorders
...hearts. Now, this compound is known as acetylcholine. Neurotransmitters are manufactured...g., acetylcholinesterase degrades acetylcholine). Cells known as astrocytes can remove...neuron. Since Loewi's discovery of acetylcholine, many neurotransmitters have been...
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Cholinesterase Inhibitors
Encyclopedia entry from: Gale Encyclopedia of Neurological Disorders
...Cholinesterase breaks apart the neurotransmitter acetylcholine, which is vital for the transmission...cholinesterase, thereby making more acetylcholine available to nerve cells in the brain...communication to occur, the excess acetylcholine must be dissolved following the transmission...
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