Comparative actions of GABA and acetylcholine on the Xenopus laevis lateral line.

The S362A mutation block ROMK2 (Kir1.1b) endocytosis in Xenopus laevis oocyte membrane .

Abstract The S362A mutation block ROMK2 (Kir1.1b) endocytosis in Xenopus laevis oocyte membrane . Saeed Hajihashemi1 , 1-Assistant professor, PhD in Physiology, Department of Physiology, School of Medical science, Arak University of Medical Sciences. Introduction: ROMK channel is localized on the apical membrane of the nephron. Recent studies suggest that endocytosis of ROMK chan...

The pharmacology of efferent synapses in the lateral-line system of Xenopus laevis.

The sensory hair-cells of the acoustico-lateralis system of sense organs have been shown, in the majority of cases, to receive efferent innervation. Studies on the ultrastructure of the sensory epithelium in the inner ear (Wersall, 1956; Engstrom, 1958) gave the first clear demonstration of vesiculated nerve terminals in synaptic contact with the membranes of hair-cells. From their similarity w...

Expression of hsp90 Alpha and hsp90 Beta during Xenopus laevis Embryonic Development

Background: Members of the eukaryotic Hsp90 family function as important molecular chaperones in the assembly, folding and activation of cellular signaling in development. Two hsp90 genes, hsp90 alpha and hsp90 beta, have been identified in fish and homeothermic vertebrates but not in poikilothermic vertebrates. In the present study, the expression of hsp90 alpha and hsp90 beta genes in Xenopus...

ترتیب اعصای جانبی در دم لارو of Xenopus laevis

Analysis of histamine as a hair-cell transmitter in the lateral line of Xenopus laevis.

The actions of histamine and histamine antagonists on afferent nerve activity were investigated in the lateral line of Xenopus laevis. Histamine (0.002-2.0 mM) had no effect on spontaneous activity or excitatory responses to water motion. In contrast, pyrilamine, an H1 receptor antagonist, suppressed spontaneous activity beginning at 0.01-0.05 mM. Below 0.3 mM the suppression was often preceded...