nerve terminals
Neuroactivity of detonation nanodiamonds: dose-dependent changes in transporter-mediated uptake and ambient level of excitatory/inhibitory neurotransmitters in brain nerve terminals
... of nerve terminals and change its physical and chemi- cal properties, and thus can directly affect the function- ing of neurotransmitter transporters, and again normal vesicle ...
12
Dynamic imaging of functional nerve terminals and Schwann cells in presynaptic 'nerve plates' isolated from the skate electric organ
... the terminals and is most probably accounted for as a ‘spill over’ signal from responsive terminals lying in the Schwann cell fields but out of the plane of ...in nerve terminals but occurred ...
11
Regulation of glutamate exocytosis from isolated nerve terminals (synaptosomes): Role of presynaptic receptors
... isolated nerve terminals and being activated, this neurochemical data does support other electrophysiological studies showing that (-)baclofen depresses excitatory synaptic transmission in a PTX-insensitive ...
225
Altered Calcium Handling in Peripheral Nerve Terminals and Blood Vessels in Spontaneously Hypertensive Rats
... from nerve end- ings in the mesenteric arteries ...from nerve terminals and vascular ...in nerve endings and initiated the neurotransmitter re- ...
7
Effect of nitric oxide donor SNAP on GABA release from rat brain nerve terminals
... isolated nerve terminals (synaptosomes) were pre- pared using Cotman method [13], by suspending pre- cipitate after the last centrifugation in standard cool oxygenated incubation medium composed of (mM): ...
8
The effect of nitric oxide on synaptic vesicle proton gradient and mitochondrial potential of brain nerve terminals
... evaluation of changes in synaptosome mem- brane potential. The membrane potential of isolated nerve terminals was assessed using fluorescent po tentialsensitive probe rhodamine 6G (rh 6G) [20]. ...
12
Ionic channels and hormone release from peptidergic nerve terminals
... These authors showed that calcium Key words: ionic currents, cation channels, Ca 2+ channels, anion channel, secretion, peptide hormones, nerve terminals, pituitary, sinus gland.... ions[r] ...
20
Optical studies of the secretory event at vertebrate nerve terminals
... Analysis of optical recordings of the action potential in the nerve terminals of a mammal has disclosed the presence of at least two large and rapid changes in the intrinsic optical prop[r] ...
38
Opposing changes in phosphorylation of specific sites in synapsin I during Ca2+-dependent glutamate release in isolated nerve terminals
... concomitant phosphorylation of P-sites 2 and 3 by CaM kinase II under all conditions examined (Czernik et al., 1987), it is likely that phosphorylation of P-site 2 was increased to a similar extent in parallel with ...
10
Palmitoyl protein thioesterase 1 deficiency impairs synaptic vesicle recycling at nerve terminals, contributing to neuropathology in humans and mice
... Using postmortem brain tissues from an INCL patient and tissue from the PPT1-knockout PPT1-KO mice that mimic INCL, we report here that PPT1 deficiency caused persistent membrane anchora[r] ...
13
A dual effect of cobalt ions on the spontaneous release of transmitter at insect motor nerve terminals
... The reciprocal relationship between the effect of Co 2+ and Ca2+ on spontaneous transmitter release may be accounted for by a competitive antagonism between them for common receptor site[r] ...
10
Activation of presynaptic ionotropic glutamate receptors stimulates gaba release from hippocampal and cortical rat brain nerve terminals
... показано, що специфічні агоністи глутаматних рецепторів, каїнат та нмДА, так само як і глутамат, стимулюють вивільнення [ 3 H]ГАмК із нервових терміналей кори та гіпокампа мозку щурів, [r] ...
8
Optimizing release from peptide hormone secretory nerve terminals
... Summary Secretion of the peptide neurohormones oxytocin and vasopressin from terminals of magnocellular neurones in the mammalian neurohypophysis is elicited by conduction of depolarizin[r] ...
16
The effect of calcium and magnesium on the spontaneous release of transmitter at insect motor nerve terminals
... The effect of the extracellular calcium and magnesium concentrations and calcium ionophore, X-537A, on the frequency of miniature excitatory post-synaptic potentials MEPSPs was studied i[r] ...
12
Diphenylhydantoin and potassium transport in isolated nerve terminals
... The antiepileptic action of diphenylhydantoin (DPH) has been explained by two different theories: (a) that DPH stimulates the Na-K pump; (b) that DPH specifically blocks the passive translocation of sodium. Since ...
9
Spontaneous Miniature Potentials in Denervated Coxal Muscle Fibres of the American Cockroach
... that the spontaneous release of transmitter at the insect denervated neuromuscular junction may be derived from regenerating nerve terminals, not from glial cells with which the cessatio[r] ...
10
Use of Aldehyde Fixatives to Determine the Rate of Synaptic Transmitter Release
... However, the nature of vesicle openings found outside the active zone in aldehyde fixed nerve terminals treated with spider venom remains unresolved and factors producing them remain dif[r] ...
13
Synaptic vesicle exocytosis and increased cytosolic calcium are both necessary but not sufficient for activity dependent bulk endocytosis
... Ideally, we also wanted to directly decouple calcium influx from SV fusion, by evoking SV exocytosis in the absence of calcium influx. We attempted this using the spider toxin a- latrotoxin (Silva et al. 2009), although, ...
11
Neurodegenerative changes initiated by presynaptic dysfunction
... The enlarged VGLUT1-positive nerve terminals of Snap25 S187A/S187A mice showed concomitant accumu- lation of αSyn and p-αSyn [19]. Kramer and Schulz- Schaeffer [5] have previously reported that 90% or even ...
5
Retrograde influence of muscle fibers on their innervation revealed by a novel marker for slow motoneurons
... motor nerve terminals on slow (type I and small type IIA) muscle fibers; its close relatives, SV2B and SV2C, are present in all motor nerve ...motor nerve terminals, indicating a fiber ...
11