钙和维生素D对高脂饮食诱发的小鼠乳腺上皮增生的影响

被引:1
作者
薛乐勋
袁保梅
王建民
许培人
王建人
机构
[1] 河南医科大学医学实验中心!郑州,
[2] 河南中医学院生理教研室
关键词
乳腺; 上皮细胞增生; 钙; 维生素D;
D O I
暂无
中图分类号
R730.231 [肿瘤病因学、发生学];
学科分类号
100214 ;
摘要
本研究目的是观察饮食中添加钙和维生素D对高脂饮食诱发的小鼠乳腺上皮细胞增生的影响。将四周龄小鼠随机分成三组,分别给予对照AIN-76A饲料,高脂低钙低维生素D饲料(试验饲料Ⅰ)和高脂加钙加维生素D饲料(试验饲料Ⅱ)。饲养九周后终止试验,小鼠植入渗透泵灌注溴脱氧尿苷(Brdu)72小时。结果显示试验饲料Ⅰ组的小鼠乳腺终末小导管上皮细胞Brdu标记指数与对照饲料组比较明显升高(P<0.05)。而试验饲料Ⅱ组的BrdU标记指数与对照组相似(P>0.05)。本实验研究发现进一步证明,高脂饮食能诱发小鼠乳腺小导管上皮细胞的增生,同时也提示饮食中添加钙和维生素D有助于预防高脂饮食的这种不良作用。
引用
收藏
页码:451 / 454
页数:4
相关论文
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