Sex is no determinant of cardioprotection by ischemic preconditioning in rats, but ischemic/reperfused tissue mass is for remote ischemic preconditioning.
A cute myocardial infarction
cardioprotection
ischemia-reperfusion injury
remote ischemic conditioning
Journal
Physiological reports
ISSN: 2051-817X
Titre abrégé: Physiol Rep
Pays: United States
ID NLM: 101607800
Informations de publication
Date de publication:
07 2019
07 2019
Historique:
received:
15
03
2019
revised:
20
05
2019
accepted:
25
05
2019
entrez:
19
6
2019
pubmed:
19
6
2019
medline:
6
5
2020
Statut:
ppublish
Résumé
We determined the impact of sex on the magnitude of cardioprotection by local and remote ischemic preconditioning (IPC and RIPC) and of ischemic/reperfused peripheral tissue mass on protection by RIPC. Hearts of female and male Lewis rats were excised, perfused with buffer, and underwent either IPC by 3 × 5/5 min global zero-flow ischemia/reperfusion (GI/R) or time-matched perfusion (TP) before 30/120 min GI/R. In a second approach, anesthetized female and male Lewis rats underwent RIPC, 3 × 5/5 min ischemia/reperfusion of one or both hindlimbs (1-RIPC or 2-RIPC), or placebo. Thirty minutes after the RIPC/placebo protocol, hearts were excised and subjected to GI/R. In female and male hearts, infarct size was less with IPC than with TP before GI/R (IPC+GI/R
Identifiants
pubmed: 31210033
doi: 10.14814/phy2.14146
pmc: PMC6579942
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e14146Informations de copyright
© 2019 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of The Physiological Society and the American Physiological Society.
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