Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2011
[Effects of dimethyloxalyl glycine on hypoxic-ischemic brain damage in newborn rats].
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Qu Xiao-Yu, Qu Yi, Zhao Feng-Yan, Tang Bin-Zhi, Zhang Li, Mu De-Zhi
Аннотация
OBJECTIVE: To investigate the effects of dimethyloxalyl glycine on hypoxic-ischemic brain damage in newborn rats.
METHODS: Forty eight postnatal day 10 SD rats were divided into 3 groups, including sham surgery group, hypoxic-ischemic group and DMOG treated group. The brain tissues were collected at 4, 8, 24 and 72 hours after the hypoxic-ischemic treatment. The expressions of hypoxia inducible factor-1alpha (HIF-1alfa) protein and anti apoptoticprotein cleaved caspase 3 (CC3) were detected by immunohistochemistry. The apoptotic cells were detected by TUNEL staining.
RESULTS: The expression level of HIF-1alpha was significantly higher in DMOG treated group than in hypoxic-ischemic group. While the expression level of CC3 was lower and the number of tunel positive cells was fewer in DMOG treated group than that in hypoxic-ischemic group.
CONCLUSION: Dimethyloxalyl glycine may play a neuro-protective role in hypoxic-ischemic brain damage in newborn rats by stabilizing HIF-1alpha.
METHODS: Forty eight postnatal day 10 SD rats were divided into 3 groups, including sham surgery group, hypoxic-ischemic group and DMOG treated group. The brain tissues were collected at 4, 8, 24 and 72 hours after the hypoxic-ischemic treatment. The expressions of hypoxia inducible factor-1alpha (HIF-1alfa) protein and anti apoptoticprotein cleaved caspase 3 (CC3) were detected by immunohistochemistry. The apoptotic cells were detected by TUNEL staining.
RESULTS: The expression level of HIF-1alpha was significantly higher in DMOG treated group than in hypoxic-ischemic group. While the expression level of CC3 was lower and the number of tunel positive cells was fewer in DMOG treated group than that in hypoxic-ischemic group.
CONCLUSION: Dimethyloxalyl glycine may play a neuro-protective role in hypoxic-ischemic brain damage in newborn rats by stabilizing HIF-1alpha.