کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
3057243 | 1186592 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
عصب شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons](/preview/png/3057243.png)
چکیده انگلیسی
Theta-burst stimulation of the stratum radiatum induces a negative shift in the reversal potential (RP) of γ-aminobutyric acid (GABA)-ergic postsynaptic currents (PSCs) in hippocampal CA1 neurons in brain slices from rats of age groups 3-4 days, 6-9 days and 3-4 weeks. Furosemide reversed the shift in the RP. The amplitude of the evoked PSC appeared to increase following the theta-burst stimulation but this increase was secondary to the change in the RP. These results indicate that the RP for GABA-ergic PSCs undergoes an activity-dependent plasticity in not only neonatal but also adult neurons presumably through an up-regulation of a K+-Clâ co-transporter. This plasticity can have significant implications for neuronal network activity in the central nervous system. Furthermore, these results indicate that studies on GABA-ergic synaptic efficacy require a careful, parallel monitoring of the RP.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Experimental Neurology - Volume 204, Issue 2, April 2007, Pages 836-839
Journal: Experimental Neurology - Volume 204, Issue 2, April 2007, Pages 836-839
نویسندگان
J.-Y. Xu, B.R. Sastry,