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自制DMEM/F12培养基对奶牛乳腺上皮细胞生物学功能的影响

, PP. 114-119

Keywords: 自制DMEM/F12,培养基,基因表达,酪蛋白,细胞增殖

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Abstract:

验证自制DMEM/F12培养基与商品化DMEM/F12培养基相比是否会对奶牛乳腺上皮细胞生物学功能造成负面影响,为进一步研究氨基酸对乳蛋白合成影响及其机理奠定基础。从对奶牛乳腺上皮细胞增殖能力、泌乳相关基因表达和酪蛋白合成这几个方面比较自制DMEM/F12培养基与DMEM/F12培养基的差别。结果显示,自制DMEM/F12培养基对乳腺上皮细胞的增殖活力要显著高于DMEM/F12培养基(P<0.0001);自制DMME/F12培养基与商品化DMEM/F12培养基相比乳腺上皮细胞CSN1S1、CSN3基因表达显著上调(P<0.05),上调量分别达到了3.57倍和3.27倍,CSN1S2、CSN2基因表达量差异不显著(P>0.05);自制DMEM/F12培养基与商品化DMEM/F12培养基相比,对乳腺上皮细胞αS酪蛋白及β-酪蛋白的合成的影响差异并不显著(P>0.05)。由此得出,与商品化DMEM/F12培养基相比,自制DMEM/F12培养基在奶牛乳腺上皮细胞增殖、泌乳相关基因表达和酪蛋白合成方无负面影响。

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