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db/db糖尿病小鼠颌下腺内皮细胞生长因子和神经生长因子表达的研究 被引量:3

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摘要 目的探讨单基因遗传自然发病型(db/db)糖尿病(DM)小鼠颌下腺内皮细胞生长因子(VEGF)和神经生长因子(NGF)表达变化与DM颌下腺病变的关系。方法麻醉后40%多聚甲醛灌注固定,取3、4、6、8和10月龄db/db型DM鼠颌下腺(实验组)及相应月龄的db/+m正常小鼠颌下腺(对照组)。采用SP免疫组化染色,观察颌下腺的组织学改和VEGF、NGF阳性表达的变化。结果不同月龄DM小鼠VEGF阳性细胞数逐渐增加,呈上升趋势,且明显高于同龄对照组(P<0.01);不同月龄DM小鼠NGF阳性细胞且逐渐减少,呈下降趋势,实验组明显低于相应对照组(P<0.01)。结论db/dbDM小鼠颌下腺VEGF表达随病程延长而增加,与DM病程呈正相关。而颗粒曲管细胞合成和分泌NGF的功能降低,与病程呈负相关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2008年第14期1390-1391,共2页 Chinese Journal of Gerontology
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参考文献10

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