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的益处。这也为外源性注射BDNF强化运动效应带 [7] WANG B L,JIN H,HAN X Q,et al. Involvement of brain⁃
来了理论可行性。Hang 等 [10] 发现静脉注射 BDNF derived neurotrophic factor in exercise⁃induced cardiopro⁃
tection of post ⁃ myocardial infarction rats[J]. Int J Mol
可减轻阿霉素对心脏的毒性作用;皮下注射 BDNF
可改善心功能不全小鼠的运动耐力,进一步证实其 Med,2018,42(5):2867-2880
[8] CAO L,ZHANG L,CHEN S Y,et al. BDNF⁃mediated mi⁃
在体内的生物学效应 [29-30] 。这些研究结果均提示外
gration of cardiac microvascular endothelial cells is im⁃
源性 BDNF 对于心血管疾病亦存在一定的治疗意
paired during ageing[J]. J Cell Mol Med,2012,16(12):
义。我们的动物实验发现静脉注射BDNF协同运动
3105-3115
可显著提高MI大鼠心肌血管密度及左心功能,考虑
[9] DE MORAIS V A C,DA SILVA TOURINO M F,DE
运动时增高的LSS结合较高浓度的BDNF 能够强化 SOUZA ALMEIDA A C,et al. A single session of moder⁃
其 TrkB 及下游 Akt 通路激活程度,从而有效改善内 ate intensity walking increases brain⁃derived neurotroph⁃
皮细胞功能。其心功能的改善,一方面与心肌细胞 ic factor(BDNF)in the chronic post⁃stroke patients[J].
血供改善有关,另一方面外源性 BDNF 可能对心肌 Top Stroke Rehabilitation,2018,25(1):1-5
细胞本身亦有一定的保护作用,这也是我们下一步 [10] RAMOS ⁃ CEJUDO J,GUTIÉRREZ ⁃ FERNÁNDEZ M,
研究中拟进一步探讨的问题。 OTERO ⁃ ORTEGA L,et al. Brain ⁃ derived neurotrophic
在后续研究中,我们还会进一步摸索 BDNF 的 factor administration mediated oligodendrocyte differenti⁃
ation and myelin formation in subcortical ischemic stroke
给药浓度、给药方式和给药时机,探讨BDNF协同有
[J]. Stroke,2015,46(1):221-228
氧运动对心肌 BDNF/TrkB 及其下游信号通路的影
[11] HANG P Z,ZHAO J,SUN L,et al. Brain⁃derived neuro⁃
响,在争取获得更佳疗效的同时,为临床优化有氧
trophic factor attenuates doxorubicin⁃induced cardiac dys⁃
运动效果改善 MI 预后寻找新策略并提供理论和实
function through activating Akt signalling in rats[J]. J
践依据。 Cell Mol Med,2017,21(4):685-696
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