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Int. J. Mol. Sci. 2010, 11(7), 2658-2669; doi:10.3390/ijms11072658
Article

The Effect of Treadmill Training Pre-Exercise on Glutamate Receptor Expression in Rats after Cerebral Ischemia

1,†, 1,†, 1,* , 1 and 2
Received: 4 June 2010; in revised form: 2 July 2010 / Accepted: 2 July 2010 / Published: 7 July 2010
(This article belongs to the Special Issue Neuroprotective Strategies)
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Abstract: Physical exercise has been demonstrated to be neuroprotective in both clinical and laboratory settings. However, the exact mechanism underlying this effect is unclear. Our study aimed to investigate whether pre-ischemic treadmill training could serve as a form of ischemic preconditioning in a rat model undergoing middle cerebral artery occlusion (MCAO). Thirty-six rats were divided into three groups: a sham control group, a non-exercise with operation group and an exercise with operation group. After treadmill training, ischemia was induced by occluding the MCA for 2 h, followed by reperfusion. Half of the rats in each group were sacrificed for mRNA detection of mGluR5 and NR2B 80 min after occlusion. The remaining animals were evaluated for neurological deficits by behavioral scoring and then decapitated to assess the infarct volume. The mRNA expression of mGluR5 and NR2B was detected by real-time PCR. The results suggest that pre-ischemic treadmill training may induce brain ischemic tolerance by reducing the mRNA levels of mGluR5 and NR2B, and thus, the results indicate that physical exercise might be an effective method to establish ischemic preconditioning.
Keywords: mGluR5; NR2B; real-time PCR; brain ischemic tolerance; ischemic preconditioning mGluR5; NR2B; real-time PCR; brain ischemic tolerance; ischemic preconditioning
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhang, F.; Jia, J.; Wu, Y.; Hu, Y.; Wang, Y. The Effect of Treadmill Training Pre-Exercise on Glutamate Receptor Expression in Rats after Cerebral Ischemia. Int. J. Mol. Sci. 2010, 11, 2658-2669.

AMA Style

Zhang F, Jia J, Wu Y, Hu Y, Wang Y. The Effect of Treadmill Training Pre-Exercise on Glutamate Receptor Expression in Rats after Cerebral Ischemia. International Journal of Molecular Sciences. 2010; 11(7):2658-2669.

Chicago/Turabian Style

Zhang, Feng; Jia, Jie; Wu, Yi; Hu, Yongshan; Wang, Yang. 2010. "The Effect of Treadmill Training Pre-Exercise on Glutamate Receptor Expression in Rats after Cerebral Ischemia." Int. J. Mol. Sci. 11, no. 7: 2658-2669.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert