Abstract：
:We have developed a novel method to examine [3H]-noradrenaline and [14C]-glutamate release from the same sample of streptolysin-O (SLO) perforated rat cortical synaptosomes. Ca2+ -dependent [3H]-noradrenaline and [14C]-glutamate release was examined at different temperatures and was found to be greater at 30 degrees C than at 25 degrees C. Ca2+ -dependent release of [3H]-noradrenaline is more ATP dependent than Ca2+ -dependent release of [14C]-glutamate. No significant reuptake of either neurotransmitter by the perforated synaptosomes was detected, indicating all the synaptosomes were indeed perforated. Incubations with 1 mM ouabain, a specific Na+,K+ -ATPase inhibitor, slightly increased Ca2+ -dependent release of both neurotransmitters. [3H]-noradrenaline is released from large dense-core vesicles and [14C]-glutamate is released from small clear synaptic vesicles, so one can directly compare and contrast neurotransmitter release mechanisms between large dense-core vesicles and small clear synaptic vesicles using this preparation.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
McFadden SC,Bobich JA,Zheng Qdoi
10.1016/s0165-0270(01)00350-8subject
Has Abstractpub_date
2001-05-30 00:00:00pages
39-46issue
1-2eissn
0165-0270issn
1872-678Xpii
S0165027001003508journal_volume
107pub_type
杂志文章abstract：BACKGROUND:Weak or low intensity transcranial stimulation of the brain, such as low field magnetic stimulation and electrical stimulation, can produce significant functional and therapeutic neuromodulatory effects. NEW METHOD:We have recently developed a portable wearable multifocal brain stimulator called transcrania...
journal_title：Journal of neuroscience methods
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abstract：BACKGROUND:Evaluation of motor deficits in rodents is mostly restricted to limb motor tests that are often high stressors for the animals. NEW METHOD:To test rodents for orofacial motor impairments in a stress-free environment, we established the pasta gnawing test by measuring the biting noise of mice that eat a piec...
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
pub_type： 杂志文章
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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journal_title：Journal of neuroscience methods
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