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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Di Xu, Jiao Song, Erbao Tang, Shu Zhang, Xiaohui Kemper, N. Hartung, J. Bao, Endong |
| Copyright Year | 2015 |
| Abstract | We investigated whether acetyl salicylic acid (ASA) protects chicken myocardial cells from heat stress-mediated damage in vivo and whether the induction of Hsp27 expression is connected with this function. Pathological changes, damage-related enzyme levels, and Hsp27 expression were studied in chickens following heat stress (40 ± 1 °C for 0, 1, 2, 3, 5, 7, 10, 15, or 24 h, respectively) with or without ASA administration (1 mg/kg BW, 2 h prior). Appearance of pathological lesions such as degenerations and karyopyknosis as well as the myocardial damage-related enzyme activation indicated that heat stress causes considerable injury to the myocardial cells in vivo. Myocardial cell injury was most serious in chickens exposed to heat stress without prior ASA administration; meanwhile, ASA pretreatment acted protective function against high temperature-induced injury. Hsp27 expression was induced under all experimental conditions but was one-fold higher in the ASA-pretreated animals (0.3138 ± 0.0340 ng/mL) than in untreated animals (0.1437 ± 0.0476 ng/mL) 1 h after heat stress exposure, and such an increase was sustained over the length of the experiment. Our findings indicate that pretreatment with ASA protects chicken myocardial cells from acute heat stress in vivo with almost no obvious side effects, and this protection may involve an enhancement of Hsp27 expression. However, the detailed mechanisms underlying this effect require further investigation. |
| Starting Page | 687 |
| Ending Page | 696 |
| Page Count | 10 |
| File Format | |
| ISSN | 13558145 |
| Journal | Cell Stress and Chaperones |
| Volume Number | 20 |
| Issue Number | 4 |
| e-ISSN | 14661268 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2015-05-09 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | Hsp27 Aspirin Heat stress Chicken Myocardial cell Biomedicine general Cell Biology Biochemistry Immunology Cancer Research Neurosciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry |
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