Preconditioning with thyroid hormone (3,5,3-triiodothyronine) prevents renal ischemia-reperfusion injury in mice
- Authors
- Kim, Suh Min; Kim, Si-Wha; Jung, Yoo-Jun; Min, Sang-Il; Min, Seung-Kee; Kim, Sang Joon; Ha, Jongwon
- Issue Date
- Mar-2014
- Publisher
- MOSBY-ELSEVIER
- Citation
- SURGERY, v.155, no.3, pp 554 - 561
- Pages
- 8
- Journal Title
- SURGERY
- Volume
- 155
- Number
- 3
- Start Page
- 554
- End Page
- 561
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/70448
- DOI
- 10.1016/j.surg.2013.10.005
- ISSN
- 0039-6060
- Abstract
- Background. 3,5,3-triiodothyronine (T3) was found to decrease ischemia-reperfusion (I/R) injury of liver and myocardium in animal models when preconditioned 48 hours in advance of the I/R injury. The purpose of this study was to evaluate the effects of T3 preconditioning on renal I/R injury with different time intervals and to determine the changes in antioxidants, apoptosis, and nitric oxide synthase (NOS) in each condition. Methods. In male C57BL/6 mice, renal I/R injury was induced by temporary ligation of the bilateral renal pedicles for 45 minutes followed by a reperfusion period for 24 hours. Preconditioning with intraperitoneal injection of T3 was performed 24 or 6 hours before or at the time of I/R injury. Results. From the histologic examination, tubular injury was decreased in mice preconditioned with T3 6 hours before I/R injury. The levels of proinflammatory cytokines were decreased with T3 preconditioning, either 6 hours or at the time of I/R injury. The levels of glutathione were increased in all treatment groups. Expressions of neuronal NOS were increased when preconditioned 6 hours before or t the time of I/R injury. The number of apoptotic tubular epithelial cell evaluated by terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay was decreased when preconditioned immediately before I/R injury. Conclusion. Preconditioning with T3 6 hours or immediately before I/R injury had a protective effect on renal I/R injury. The changes of NOS and antiapoptosis, other than well-known antioxidative properties, may play a.role in the effect of short-term preconditioning.
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