Abstract:
:To study the regulation of striatal acetylcholine (ACH) release, adult male rat striata were dissociated and incubated with 3H-choline to synthesize 3H-ACH. Fractional 3H-ACH efflux per min during continuous perifusion was: (1) tightly regulated; (2) dependent on calcium influx; (3) stimulated by 10 mM K+ and 1 mM glutamate; and (4) comparable to ACH release detected by HPLC. Thus, acutely dissociated striata exhibit calcium-sensitive, voltage-dependent secretion of 3H-ACH and direct receptor-mediated stimulation of release through the glutamate receptor family. This new approach toward cholinergic secretory physiology will help clarify complex striatal circuitry.
journal_name
Brain Resjournal_title
Brain researchauthors
Login IS,Borland K,Harrison MB,Ragozzino ME,Gold PEdoi
10.1016/0006-8993(95)00996-4subject
Has Abstractpub_date
1995-10-30 00:00:00pages
271-5issue
1-2eissn
0006-8993issn
1872-6240pii
0006-8993(95)00996-4journal_volume
697pub_type
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