目的观察霍乱毒素B亚单位(cholera toxin B subunit,CB)与神经生长因子(NGF)耦联制剂滴鼻治疗对拟痴呆小鼠学习记忆能力及胆碱能神经系统的影响。方法用改进的过碘酸钠法使CB-NGF耦联,滴鼻治疗脑室内注射β样淀粉蛋白(Aβ25-35)的拟AD...
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目的观察霍乱毒素B亚单位(cholera toxin B subunit,CB)与神经生长因子(NGF)耦联制剂滴鼻治疗对拟痴呆小鼠学习记忆能力及胆碱能神经系统的影响。方法用改进的过碘酸钠法使CB-NGF耦联,滴鼻治疗脑室内注射β样淀粉蛋白(Aβ25-35)的拟AD小鼠模型;CB-NGF7.5μg/d、15μg/d滴鼻治疗7d,Morris水迷宫检测其空间学习记忆能力;免疫组织化学染色胆碱乙酰化酶(ChAT)。结果未经治疗的模型鼠寻台潜伏期明显延长(P<0.01);在安全岛所在象限的停留时间明显缩短,斜角带区ChAT阳性细胞数量显著减少(P<0.001)。NGF及CB-NGF滴鼻治疗组寻台潜伏期有所缩短,在安全岛象限内的停留时间比模型组明显延长(P<0.01);基底前脑斜角带区ChAT染色明显增多(P<0.01)。结论CB-NGF滴鼻治疗可改善痴呆小鼠的空间认知能力,与其保护胆碱能神经有关。
Objective:To investigate the effect of enriched plasma cells on the production of inflammatory cytokines and development of osteoarthritis (OA) in mice with B-cell-specific deletion of the tuberous sclerosis 1 gene (T...
Objective:To investigate the effect of enriched plasma cells on the production of inflammatory cytokines and development of osteoarthritis (OA) in mice with B-cell-specific deletion of the tuberous sclerosis 1 gene (TSC1).
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