Effect of ischemic preconditioning on injuries caused by ischemia and reperfusion in rat intestine.

Abstract:

:To study whether ischemic preconditioning (IPC) attenuated intestinal dysfunction caused by ischemia (I) and reperfusion (R), rats were underwent 60 minutes of I which was produced by occlusion of the superior mesenteric artery, and/or 120 minutes R. The IPC group had the I procedure previously stimulated for 5 minutes and the R for 10 minutes. IPC and sham groups were injected with saline solution (SS) via the femoral vein 5 minutes before the I and R, and for R. After I or I/R, 2-cm jejunal segments were mounted in an organ bath to study neurogenic contractions stimulated by electrical pulses or KCl using a digital recording system. Thin jejunal slices were stained with hematoxylin and eosin for optical microscopy. Compared with the sham group, jejunal contractions were similar in the IPC + I and the IPC + I/R groups, but reduced in the I + SS and the I/R + SS groups. The jejunal enteric nerves were damaged in the I + SS and the I/R + SS groups, but not in the IPC groups. These results suggested that ischemic preconditioning attenuated intestinal dysfunction caused by I and I/R.

journal_name

Transplant Proc

authors

Taha MO,Miranda-Ferreira R,Chang AC,Rodrigues AM,Fonseca IS,Toral LB,Cardoso MR,Simões MJ,Oliveira-Junior IS,Monteiro HP,Fagundes DJ,Taha NS,Caricati-Neto A

doi

10.1016/j.transproceed.2012.07.056

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

2304-8

issue

8

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(12)00752-X

journal_volume

44

pub_type

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