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The neuropeptide Gonadotropin-releasing hormone modifies the spontaneous muscular contraction in the earthworm: Eisenia foetida. | LitMetric

The neuropeptide Gonadotropin-releasing hormone modifies the spontaneous muscular contraction in the earthworm: Eisenia foetida.

Invert Neurosci

Department of Physiology and Pharmacology, Laboratory of Neurophysiology, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Av. Universidad 940, CP 20131 Aguascalientes, Mexico.

Published: December 2011

AI Article Synopsis

Article Abstract

We investigated whether the Gonadotropin-releasing hormone affects the spontaneous muscular contraction in the earthworm Eisenia foetida. In addition, we investigated the presence of Gonadotropin-releasing hormone receptor in ventral nerve cord by immunohistochemistry and polymerase chain reaction. Gonadotropin-releasing hormone induced a significant increase on both amplitude and muscular tone and decrease in the frequency of spontaneous muscular contraction. We found the presence of immunoreactive material to Gonadotropin-releasing hormone receptor in the ventral nerve cord, likewise the Gonadotropin-releasing hormone receptor mRNA expression. In conclusion, the Gonadotropin-releasing hormone modifies the spontaneous muscular contraction in E. foetida and these effects can be due to the activation of the Gonadotropin-releasing hormone receptor.

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Source
http://dx.doi.org/10.1007/s10158-011-0120-7DOI Listing

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