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中国农学通报 ›› 2012, Vol. 28 ›› Issue (11): 75-80.doi: 10.11924/j.issn.1000-6850.2011-2997

所属专题: 生物技术 畜牧兽医

• 畜牧 动物医学 蚕 蜂 • 上一篇    下一篇

奶牛乳腺上皮细胞不同代数对乳蛋白基因表达的影响

韩亚南 侯先志 考桂兰 高爱武 王秀美 杨金丽 杨银芬 赵青 高民   

  • 收稿日期:2011-10-17 修回日期:2011-11-24 出版日期:2012-04-15 发布日期:2012-04-15
  • 基金资助:

    现代农业产业技术体系建设专项资金资助(CARS-10-P17);内蒙古自然基金项目

Different Generations of Bovine Mammary Epithelial Cells Impacting on Gene Expression of Milk Protein

  • Received:2011-10-17 Revised:2011-11-24 Online:2012-04-15 Published:2012-04-15

摘要:

为了研究泌乳期奶牛乳腺上皮细胞(bovine mammary epithelial cells, BMECs)不同代数乳蛋白基因αs1-casein,β-casein,κ-casein的表达;利用real-time PCR方法分别对泌乳期奶牛乳腺组织,以及由乳腺组织分离得到的细胞原代(P0),1代(P1),2代(P2),3代(P3),4代(P4),5代(P5)中的乳蛋白基因表达状况进行检测;结果表明,αs1-casein,β-casein,κ-casein在泌乳期奶牛乳腺上皮细胞原代及传代细胞中有不同程度的表达。其中,原代中的表达量显著高于P1~P5(P<0.05),而P1~P5之间的表达量无显著差异(P>0.05)。并且随着传代次数的增加,基因表达量呈现逐渐下降的趋势。说明P2~P5 BMECs可以作为基础理论问题研究的试验材料而被应用。

关键词: 哈密瓜, 哈密瓜, 自毒作用, 幼苗生长, 生理生化作用

Abstract:

The aim of this study was to research milk protein gene expression—αs1-casein, β-casein, κ-casein of lactating bovine mammary epithelial cells between different generations; Using the real-time PCR method to detect milk protein gene expression of lactating bovine mammary tissue, the cells of primary generation (P0) derived from the bovine mammary tissue, the first generation (P1), the second generation (P2), the third generation (P3), the fourth generation (P4) and the fifth generation (P5); The results showed that expression of three target-genes was at different levels between the cells of primary generation and passages. The expression in the primary cells was significantly higher than P1-P5 cells (P<0.05), whereas P1-P5 cells had no significant difference (P>0.05). Moreover, from P0 to P5, the expression of αs1-casein, β-casein, κ-casein is gradually decreasing. So, P2-P5 BMECs could be used as a trial material.