OALib Journal期刊
ISSN: 2333-9721
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番荔枝酰胺衍生物flz对lps联合mptp诱发小鼠慢性帕金森病的治疗作用
, PP. 1557-1562
Keywords: flz,lps,mptp,帕金森病
Abstract:
利用细菌内毒素脂多糖(lps)联合神经毒素mptp诱发的慢性小鼠帕金森病(pd)模型,考察番荔枝酰胺衍生物flz片剂对pd的治疗作用。c57/bl小鼠腹腔注射lps(5mgskg-1)一次,1周后,小鼠皮下注射mptp(25mgskg-1),每天1次,共注射2天。8周后,flz(25、50及75mgskg-1)及阳性对照药l-dopa治疗性给药,每天1次,共给药2个月。以爬杆法及足迹法不同时间评价pd小鼠的行为学能力,高效液相色谱法检测纹状体多巴胺含量,免疫组化法分析黑质纹状体酪氨酸羟化酶(th)阳性细胞数。结果显示,lps与mptp合用能成功诱发小鼠pd样病理改变,在造模后第8周模型组动物爬杆行为学评分与正常对照组相比有显著性降低,在步伐测定实验中出现明显的步伐紊乱和步伐长度减小。flz(25、50及75mgskg-1)治疗性给药2个月,能显著改善pd小鼠的行为学障碍,表现在增加爬杆行为学评分,改善动物的步伐紊乱及步伐长度;同时,提高小鼠黑质th阳性神经元的数量,增加纹状体内多巴胺含量。结果表明,flz片剂对lps联合mptp诱发的慢性炎症性pd小鼠有良好的治疗作用,目前该药已申报临床试验,有望成为新型抗pd药物。
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