野牦牛成纤维细胞的分离培养与传代

China Animal Husbandry & Veterinary Medicine(2013)

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Abstract
为了提高野牦牛成纤维细胞分离培养效果,研究了组织保存方法、原代培养方法、培养液类型、添加细胞生长因子和冷冻保存液配方对野牦牛体细胞分离培养与传代的作用.结果表明,PBS、D/F12和TCM199适合野牦牛皮肤组织的保存,D/F12和TCM199培养液适合组织块培养,组织块成活率达到(86.29±4.62)%,组织块法适合野牦牛成纤维细胞的原代培养;D/F12培养液培养野牦牛成纤维细胞效果较好,群体倍增时间和平台期密度分别为38.47 h和2.075×106/mL,正常二倍体核型百分率为84.33%;表皮生长因子(EGF)和碱性成纤维细胞因子(bFGF)产生了较明显的促增殖作用,平台期细胞密度明显增加;2种冷冻保存液(D/F12添加胎牛血清和二甲亚砜及胎牛血清添加二甲亚砜)均能用于野牦牛细胞冷冻,细胞存活率分别是87.33%和89.00%.
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Key words
fibroblast cell,Bos mutus,cell culture,cell growth factor
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