健脾止动汤对慢性束缚应激抽动障碍大鼠前额叶皮质神经元及神经营养因子的影响

Global Traditional Chinese Medicine(2022)

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Abstract
目的 探讨健脾止动汤对慢性束缚应激抽动障碍大鼠大脑皮质区神经元及神经营养因子水平的影响.方法 将48只3周龄雄性SD大鼠随机分为空白组12只、造模组36只.空白组予生理盐水[1 mL/(kg·d)]腹腔注射7天;模型组予IDPN[250 mg/kg,1 mL/(kg·d)]腹腔注射7天,同时慢性束缚21天,造模成功后随机分为模型组、硫必利组、健脾止动汤组.空白组、模型组予生理盐水灌胃,硫必利组予盐酸硫必利混悬液灌胃(1 mL药液中约含2.1 mg原药),中药组予健脾止动汤溶液灌胃(1 mL药液中约含1.6 g生药),灌胃体积1 mL/100 g,每天灌胃1次,连续4周.末次用药后,对大鼠断头取脑,留取标本.尼氏染色法观察大鼠前额叶皮质区神经元尼氏小体改变,酶联免疫吸附法检测前额叶皮质中脑源性神经营养因子(brain-derived neurotrophic factor,BDNF)、胰岛素样生长因子-1(insulin-like growth factor-1,IGF-1)和神经生长因子(nerve growth factor,NGF)的含量.结果 与空白组相比,模型组前额叶皮质中尼氏小体的数量显著减少,IGF-1含量显著降低;与模型组相比,硫必利组IGF-1含量显著升高,健脾止动汤组尼氏小体显著增多,BDNF、IGF-1、NGF含量显著升高.结论 健脾止动汤具有神经保护作用,可能与提高神经营养因子的表达有关.
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