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Membrane fusion and fission events in intracellular trafficking are controlled by both intraluminal Ca(2+) release and phosphoinositide (PIP) signalling. However, the molecular identities of the Ca(2+) release channels and the target proteins of PIPs are elusive. In this paper, by direct patch-clamping of the endolysosomal membrane, we report that(More)
Voltage-gated calcium channels in the Ca(v)2 channel class are regulators of synaptic transmission and are highly modified by transmitter inputs that activate synaptic G-protein-coupled receptors (GPCRs). A ubiquitous form of G-protein modulation involves an inhibition of mammalian Ca(v)2.1 and Ca(v)2.2 channels by Gbetagamma dimers that can be relieved by(More)
Invertebrate L-type calcium channel, LCa(v) 1, isolated from the pond snail Lymnaea stagnalis is nearly indistinguishable from mammalian Ca(v) 1.2 (α1C) calcium channel in biophysical characteristics observed in vitro. These L-type channels are likely constrained within a narrow range of biophysical parameters to perform similar functions in the snail and(More)
Retinoic acid, the active metabolite of vitamin A, is important for nervous system development, regeneration, as well as cognitive functions of the adult central nervous system. These central nervous system functions are all highly dependent on neuronal activity. Retinoic acid has previously been shown to induce changes in the firing properties and action(More)
26 Retinoic acid, the active metabolite of Vitamin A, is important for nervous system development, 27 regeneration as well as cognitive functions of the adult CNS. These CNS functions are all highly 28 dependent on neuronal activity. Retinoic acid has previously been shown to induce changes in the firing 29 properties and action potential waveforms of adult(More)
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