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Auton Neurosci. 2002 Jan 10;95(1-2):121-4.

Expression of 5-HT3 receptors in primary sensory neurons of the petrosal ganglion of adult rats.

Author information

1
Department of Surgical Sciences, University of Wisconsin-Madison, 53706, USA. zwang@svm.vetmed.wisc.edu

Abstract

By using a specific antiserum, expression of the 5-HT3 receptor was examined in the petrosal ganglion (PG) of adult male rats. We found that the 5-HT3 receptors are widely distributed in the PG. This finding was confirmed by RT-PCR detection of the 5-HT3 receptor mRNA in the tissue. Unlike the distribution patterns of tyrosine hydroxylase (TH), which occurred in limited regions of PG, the 5-HT3 receptors seemed to distribute throughout the ganglion. As many TH-positive neurons in PG innervate type I cells in the carotid body, the coexistence of 5-HT3 receptor and TH in some neurons suggests that this receptor may play a role in carotid body chemoreception.

PMID:
11871776
[Indexed for MEDLINE]

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