Effect of PDIA3 Gene Silence on Colonic Mast Cells and Visceral Sensitivity of Rats with Irritable Bowel Syndrome

Overview

Journal Int J Clin Exp Pathol

Specialty Pathology

Date 2020 Jan 23

PMID 31966410

Authors

Jinsong Wang

Zhengyi Wang

Tianqi Zhou

Kun Chen

Yamei Gu

Qianqian Wu

Guocai Li

Affiliations

Soon will be listed here.

Abstract

This study aimed to elucidate the role of PDIA3 in visceral hypersensitivity of rats with irritable bowel syndrome (IBS). Fourty eight SD rats were randomly divided into four groups (n=12): control group, IBS-empty virus group (IBS-1), IBS-PDIA3 silence group (IBS-2), and IBS-the control group (IBS-3). Visceral hypersensitivity models were established by using acetic acid enema combined with restraint stress, and assayed by abdominal withdrawal reflexes (AWR). Mast cells (MCs) in ileocecal mucosa were counted with toluidine blue staining. Degranulation of MCs was observed under electron microscopy. Serum and mucosal levels of IL-4 and IL-9 were measured with ELISA and QT-PCR. Intestinal tryptase and PAR-2 expression was examined with ELISA and Western blot. The Results showed that PDIA3 plays an important role in the formation of visceral hypersensitivity by increasing systemic and colon mucosal expressions of IL-4 and IL-9, activating mast cells and upregulating PAR-2 expression of target organs.

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