Phosphoproteins associated with the regulation of a specific potassium channel in the identified Aplysia neuron R15.
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چکیده
منابع مشابه
Calcium-dependent inactivation of a potassium current in the Aplysia neuron R15.
The endogenously bursting pacemaker neuron R15 of Aplysia exhibits an inwardly rectifying K+ current (IR) that was shown previously to be enhanced by various neurotransmitters via the intracellular second messenger, cyclic AMP (Drummond et al., 1980; Benson and Levitan, 1983; Levitan et al., 1987). Here we present evidence that Ca2+ influx, either caused by spontaneous bursting activity or elic...
متن کاملSynaptic actions of identified peptidergic neuron R15 in Aplysia. I. Activation of respiratory pumping.
The purpose of the study described in this and the following two companion papers was to determine the synaptic actions of neuron R15, an endogenously bursting neurosecretory cell in Aplysia, as a step toward determining its physiological function. The results described in this paper demonstrate that activity in R15 increases the frequency of bursting in the R25/L25 network that triggers respir...
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چکیده ندارد.
15 صفحه اولWater regulation by a presumptive hormone contained in identified neurosecretory cell R15 of Aplysia
Injection of an homogenate of identified neuron R15 into the hemocele of Aplysia produced a weight increase of 3-10% within 90 min. Control injections of several other identified neurons or of seawater, were ineffective. The weight increase occurred even when the animals were maintained in 5% hyperosmotic seawater. The activity of the R15 homogenate was retained after acidification to pH 2 and ...
متن کاملDecreased Response to Acetylcholine during Aging of Aplysia Neuron R15
How aging affects the communication between neurons is poorly understood. To address this question, we have studied the electrophysiological properties of identified neuron R15 of the marine mollusk Aplysia californica. R15 is a bursting neuron in the abdominal ganglia of the central nervous system and is implicated in reproduction, water balance, and heart function. Exposure to acetylcholine (...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1985
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)89492-3