Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Michael J. Dowdall"'
Publikováno v:
Neuroscience. 80:635-651
Schwann cells are integral cellular components of the dense cholinergic presynaptic plexus (nerve plate) which innervates each electrocyte in skate electric organ. Using the Ca 2+ -sensitive dye fura-2, we have followed the response in these cells to
Publikováno v:
Neuropharmacology. 35:1537-1546
Release of acetylcholine (ACh) from the presynaptic terminals in skate electric organ was tested for its sensitivity to calcium channel antagonists. A pharmacological profile was established by measuring inhibition of K(+)-stimulated release of [3H]A
Publikováno v:
The Biological bulletin. 190(1)
Electric organs of skate (Raja species) dissociate to form populations of individual electrocytes when incubated in saline solutions containing collagenase. The rate of dissociation was highly temperature dependent, with an apparent Q10 of6 in the ra
Publikováno v:
Journal of neurochemistry. 64(2)
The presynaptic terminals of skate (Raja montagui) electric organ were tested for their sensitivity to calcium channel antagonists. Acetylcholine (ACh) release and the elevation of intraterminal Ca2+ concentrations triggered by K+ depolarisation were
Autor:
A C Green, Michael J. Dowdall
Publikováno v:
Journal of neurochemistry. 58(2)
The presynaptic muscarinic autoreceptor of Torpedo marmorata electric organ has been characterised by radioligand binding studies using the subtype-selective antagonists pirenzepine, (+)-telenzepine, methoctramine, and AF-DX 116. The presynaptic rece
Publikováno v:
Brain Research. 85:23-31
Synaptosomes derived from squid optic lobes were found to have specific, high affinity uptake systems for a variety of neurotransmitters. Chlorpromazine (CPZ) inhibited the uptake of l -noradrenaline ( l -NA) and 5-hydroxytryptamine (5-HT) in a compe
Autor:
R. Roy Baker, Michael J. Dowdall
Publikováno v:
Neurochemical Research. 1:153-169
(1) Choline acetyltransferase ofTorpedo marmorata electric organ was studied by using soluble tissue extracts partially purified by (NH4)2SO4 fractionation. (2) Linear enzymatic rates were observed at 30°C, in the presence of 350 μM acetyl-CoA and
Autor:
Michael J. Dowdall
Publikováno v:
Biochemical Society Transactions. 2:270-272
Publikováno v:
Biochemical Society transactions. 3(2)
Publikováno v:
Journal of neurochemistry. 41(2)
The effect of guanine nucleotides on the binding properties of presynaptic muscarinic receptors has been studied in a membrane preparation from the electric organ of Torpedo marmorata by measuring the competitive displacement of the radiolabelled ant