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Article Abstract
Objective: To explore the possible roles of three neuropeptides in the pathogenesis of vasomotor rhinitis by studying the expression and distribution of neuropeptides in the mucosa of vasomotor rhinitis, such as Substance P(SP), calcitonin gene-related peptide (CGRP) and vasoactive intestinal peptide(VIP).
Method: The mucosa specimens of thirty vasomotor rhinitis patients who had typical symptoms and signs were selected randomly as the experiment group and were divided into two subgroups depending on if received treatment or not. While the normal middle turbinate mucosa specimens of nine cases were selected as the control group. The expression and distribution of neuropeptides were examined by immunohistochemical SP method and computer image disposing and analyzing system.
Result: The terminals of SP, CGRP and VIP in the treated experiment group wer and untreated experiment group were markedly increased in density of immunostaining compared to the control group,and the difference is significant (P < 0.01).
Conclusion: Neuropeptides, such as SP, CGRP and VIP, may play important roles in the pathophysiological mechanism of vasomotor rhinitis.
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