Biochemistry and Physiology of Cholinergic Transmission

Collier, B.

doi:10.1002/cphy.cp010113

Cited by 7 publications

(7 citation statements)

References 353 publications

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“…AChE is an important enzyme in the insect nervous system, playing a key role in the cholinergic neurohormonal system, particularly under conditions of stress (Appleyard 1992). It is well known that AChE hydrolyzes (and thus terminates the action of) the cholinergic neurotransmitter acetylcholine (Collier 1977). Because AChE is a key enzyme in cholinergic transmission and plays a vital role in the nervous systems of both vertebrates and invertebrates, it is used as a marker for cholinergic function (Massoulié et al 1999).…”

Section: Discussionmentioning

confidence: 99%

Effect of ultrasound on acetylcholinesterase activity inHelicoverpa armigera(Lepidoptera: Noctuidae)

Zha

Chen

et al. 2008

Can Entomol

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It is well known that noctuid moths respond to ultrasound frequencies produced by insectivorous bats performing a series of evasive maneuvers such as loops, dives, rolls, and turns. Certain ultrasound frequencies may be considered an environmental stress factor for these moths, causing physiological and behavioral effects. We investigated changes in acetylcholinesterase activity of Helicoverpa armigera (Hübner) exposed to ultrasound produced from a commercial device (LHC20). Our results indicated that stress effects on acetylcholinesterase activity resulting from exposure to ultrasound do not differ according to sex, but effects on different developmental stages of H. armigera differ significantly depending on duration of exposure. Enzyme activity increased in adults after 20 min exposure to ultrasound and decreased in pupae after 30 and 50 min exposure. Enzyme activity in larvae was reduced after 20 min and increased after 40 and 60 min. The results of this study also indicate that stress caused by exposure to ultrasound could modulate the cholinergic system in H. armigera.

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Section: Discussionmentioning

confidence: 99%

Effect of ultrasound on acetylcholinesterase activity inHelicoverpa armigera(Lepidoptera: Noctuidae)

Zha

Chen

et al. 2008

Can Entomol

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“…The interest in the synthesis of ACh and the factors that control or affect it was much stimulated by the discovery that an impairment in the production of ACh plays a crucial role in the pathogenesis of Alzheimer's disease. Problems of the synthesis of ACh including its regulation have been repeatedly reviewed and the reader is advised to turn to articles by Mac-Intosh and Collier (1976), Collier (1977), Haubrich and Chippendale (1977), Jope (1979), Jenden (1979a,b), and TuCek (1983a, and to books written or edited by Goldberg and Hanin (1976), Tutek (1978Tutek ( , 1979, Barbeau et al (1979), Davis andBerger (1979), andHanin andGoldberg (1982) for comprehensive summaries of experimental data; Table 1 in TuCek's (1984) article lists additional reviews concerning specific aspects of the synthesis of ACh.…”

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confidence: 99%

Regulation of Acetylcholine Synthesis in the Brain

Tuček

1985

Journal of Neurochemistry

264

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Studies on the metabolic pathway of the acetyl group for acetylcholine synthesis. Biochem. Phormucol. 29, 167-174. Gibson G. E.. Jope R., and Blass J. P. (1975) Decreased synthesis of acetylcholine accompanying impaired oxidation of pyruvic acid in rat brain minces. Biochem. J . 148, 17-23. Glover V. A. S. and Potter L. T. (1971) Purification and properties of choline acetyltransferase from ox brain striate nuclei. J . Nerrrochrm. 18, 571-580. Goldberg A. M. and Hanin I., eds (1976) Biology ofcholinergic Function. Raven Press, New York. Grewaal D. A. and Quastel J. H. (1973) Control of synthesis and release of radioactive acetylcholine in brain slices from the rat.

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“…Depolarization ofthe terminal results in an influx of Ca2+ which causes release of transmitter and the experimental evidence thus far accumulated strongly indicates that stimulus-induced release is due to the emptying of synaptic vesicles from the presynaptic nerve into the synaptic cleft (Katz, 1969). Many studies have been aimed at characterizing aspects of ACh synthesis in terminals and its release by nerve endings in neuromuscular junctions and autonomic ganglia (see review by Collier, 1977).…”

Section: Introductionmentioning

confidence: 99%

The release of acetylcholine from post‐ganglionic cell bodies in response to depolarization.

Johnson¹,

Pilar²

1980

The Journal of Physiology

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SUMMARY1. Acetylcholine (Ach) release from parasympathetic ganglia cell somata was investigated in denervated avian ciliary ganglia. Three days after the input to the ganglion (the oculomotor nerve) was sectioned, all presynaptic nerve terminals had degenerated. Nicotine (1 #sg/sl.) depolarized denervated ciliary ganglion cells and evoked release of the transmitter and this release was antagonized by curare. 5. It is concluded that the ganglionic cell bodies synthesized ACh and released the transmitter in response to K+ depolarization, antidromic stimulation and cholinergic agonists, despite the lack of morphological specializations usually associated with stimulus-induced release of neurotransmitter. The evidence suggests the existence of a mechanism of transmitter release which is Ca2+ dependent, probably from a cytoplasmic pool and therefore distinct from the usual vesicular release at the nerve terminal.

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Biochemistry and Physiology of Cholinergic Transmission

Cited by 7 publications

References 353 publications

Effect of ultrasound on acetylcholinesterase activity inHelicoverpa armigera(Lepidoptera: Noctuidae)

Effect of ultrasound on acetylcholinesterase activity inHelicoverpa armigera(Lepidoptera: Noctuidae)

Regulation of Acetylcholine Synthesis in the Brain

The release of acetylcholine from post‐ganglionic cell bodies in response to depolarization.

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