منابع مشابه
Protecting the nerve terminals
Maintaining the connections between nerve cells and muscle could help to slow the progression of amyotrophic lateral sclerosis.
متن کاملProcessing of ARIA and release from isolated nerve terminals.
The neuromuscular junction is a specialized synapse in that every action potential in the presynaptic nerve terminal results in an action potential in the postsynaptic membrane, unlike most interneuronal synapses where a single presynaptic input makes only a small contribution to the population postsynaptic response. The postsynaptic membrane at the neuromuscular junction contains a high densit...
متن کاملIonic channels and hormone release from peptidergic nerve terminals.
Although there is considerable evidence that depolarization of nerve cell terminals leads to the entry of Ca2+ and to the secretion of neurohormones and neurotransmitters, the details of how ionic currents control the release of neuroactive substances from nerve terminals are unknown. The small size of most nerve terminals has precluded direct analysis of membrane ionic currents and their influ...
متن کاملOptimizing release from peptide hormone secretory nerve terminals.
Secretion of the peptide neurohormones oxytocin and vasopressin from terminals of magnocellular neurones in the mammalian neurohypophysis is elicited by conduction of depolarizing action potentials into terminal membranes, inducing opening of voltage-sensitive Ca2+ channels, entry of Ca2+ from the extracellular space and a rise in cytoplasmic Ca2+ concentration. The amount of peptide released p...
متن کاملMefloquine selectively increases asynchronous acetylcholine release from motor nerve terminals.
Effectiveness against chloroquine-resistant Plasmodia makes mefloquine a widely used antimalarial drug. However, mefloquine's neurologic effects offset this therapeutic advantage. Cellular actions which might contribute to the neurologic effects of mefloquine are not understood. Structural similarity to tacrine suggested that mefloquine might alter cholinergic synaptic transmission. Therefore, ...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2007
ISSN: 0006-3495
DOI: 10.1529/biophysj.107.104364