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纳米PbS经呼吸道染毒对大鼠神经递质的影响 被引量:6

Effect of lead sulfide nanoparticles exposure by respiratory tract on neurotransmitters in rats
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摘要 探讨纳米PbS对大鼠神经递质的影响。将清洁级SD雄性大鼠随机分为对照组和纳米PbS高、低剂量组,每组10只,纳米PbS高、低剂量组分别气管注入剂量为30、15mg/kg粒径20 nm纳米PbS混悬液1 ml,对照组灌注等体积生理盐水,每周1次,连续3个月,测定其学习记忆能力、全血及海马组织中铅含量、血清及海马组织中神经递质含量。与对照组比较,染毒组大鼠错误反应次数较高,且潜伏期延长;全血及海马组织中铅含量增高;血清及海马组织中神经递质含量降低,差异均有统计学意义(P<0.05)。提示纳米PbS经呼吸道染毒可能导致血清及海马组织中神经递质含量降低,进而损伤学习记忆能力。
出处 《中国工业医学杂志》 CAS 北大核心 2012年第1期48-49,62,共3页 Chinese Journal of Industrial Medicine
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