福建畜牧兽医第45卷第1期2023年不同批次新生牛血清对MDCK细胞培养效果的研究康碧静1,2,3马芳芳1,2,3马春英1,2,3马忠仁1,2乔自林1,2王家敏1,2*(1.西北民族大学生物医学研究中心甘肃省动物细胞技术创新中心兰州730030;2.西北民族大学生物工程与技术国家民委重点实验室兰州730030;3.西北民族大学生命科学与工程学院兰州730030)摘要为筛选适宜MDCK细胞生长的最佳血清,分析6个批次新生牛血清在两种培养方式即贴壁静置培养条件下MDCK细胞的生长状态、平均集落形成率及微载体悬浮培养条件下MDCK细胞的生长状态、生长速率、生长动力学情况。结果表明6组新生牛血清贴壁静置培养的MDCK细胞,平均集落形成率最大的为第Ⅴ组,最小的为第Ⅰ组,由大到小依次为第Ⅴ、Ⅵ、Ⅲ、Ⅱ、Ⅳ、Ⅰ组;微载体悬浮培养条件下的MDCK细胞,最大增殖密度从大到小依次为第Ⅳ、Ⅲ、Ⅵ、Ⅴ、Ⅱ、Ⅰ组,平均倍增时间由大到小依次为第Ⅵ、Ⅴ、Ⅲ、Ⅱ、Ⅳ、Ⅰ组。因此,通过对不同批次血清贴壁静置培养的MDCK细胞生长状态、平均集落形成率及微载体悬浮培养的MDCK细胞生长状态、生长动力学评价,筛选出适宜细胞生长的新生牛血清批次为第Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ组,而第Ⅰ组新生牛血清对细胞生长的促进效果不明显,细胞生长状态不佳。关键词新生牛血清MDCK细胞生长曲线文献标识码:A文章编号:1003-4331(2023)01-0001-05EffectofdifferentbatchesofnewbornbovineserumonMDCKcellKangBijing1,2,3MaFangfang1,2,3MaChunying1,2,3MaZhongren1,2QiaoZilin1,2WangJiamin1,2*(1.GansuTechInnovationCenterofAnimalCell,BiomedicalResearchCenter,NorthwestMinzuUniversity,Lanzhou730030;2.KeyLaboratoryofBiotechnologyandBioengineeringofStateEthnicAffairsCommission,BiomedicalResearchCenter,NorthwestMinzuUniversity,Lanzhou730030;3.LifeScienceandEngineeringCollegeofNorthwestMinzuUniversity,Lanzhou730030)AbstractInordertoscreeningofnewbornbovineserum(NBS)suitableforMDCKgrowth,analyzedadherentculturedMDCKcellsinsixbatchesofNBSthegrowthstatusandaveragecloningofgrowthrate,analyzedthegrowthstatus,growthrate,growthkineticsofMDCKcellsinmicrocarriersuspensionculture.TheresultsshowthatadherentculturedMDCKcells,whichthehighestaveragecloningofgrowthrateisgroupⅤ,thelowestisgroupⅠ,indescendingorderofⅤ,Ⅵ,Ⅲ,Ⅱ,Ⅳ,Ⅰ,themaximumproliferationden...