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XB-ART-17531
J Neurochem 1996 Nov 01;675:2212-4. doi: 10.1046/j.1471-4159.1996.67052212.x.
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Expression of native GABAA receptors in Xenopus oocytes injected with rat brain synaptosomes.

Sanna E , Motzo C , Murgia A , Amato F , Deserra T , Biggio G .


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Oocytes from the frog Xenopus laevis were shown recently to express native nicotinic acetylcholine receptors after injection with purified Torpedo electroplaque membrane vesicles. Injection of Xenopus oocytes with rat cortical or nigral synaptosomes has now been shown to result in the expression of gamma-aminobutyric acid type A (GABAA) receptor-mediated Cl- currents. Electrophysiological characterization of the responses of these receptors to GABA and other agents revealed that they were incorporated into the oocyte membrane and that they retained their original pharmacological properties, such as sensitivity to Cl- channel blockers, benzodiazepines, and general anesthetics. These results suggest that this approach to the expression of heterologous proteins in Xenopus oocytes may facilitate the study of native synaptic proteins derived from brain tissue.

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Species referenced: Xenopus laevis
Genes referenced: gabarap