Chinese Journal of Tissue Engineering Research ›› 2020, Vol. 24 ›› Issue (13): 1976-1982.doi: 10.3969/j.issn.2095-4344.2045
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Lu Peiling1, Feng Chunchao1, Liang Miaomiao1, Wei Jiatian1, Huang Jing1, Cai Haiming1, Wu Guohui2, Zhang Linghua1, Nie Yunfei2
Received:
2019-05-29
Revised:
2019-05-30
Accepted:
2019-07-15
Online:
2020-05-08
Published:
2020-03-07
Contact:
Nie Yunfei, Master, Physician, Guangzhou Plastic Surgery Hospital of Chinese Family Physician, Guangzhou 510011, Guangdong Province, China
Zhang Linghua, MD, Professor, Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou 510642, Guangdong Province, China
About author:
Lu Peiling, Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou 510642, Guangdong Province, China
Feng Chunchao, Master candidate, Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou 510642, Guangdong Province, China
Lu Peiling and Feng Chunchao contributed equally this work.
Supported by:
CLC Number:
Lu Peiling, Feng Chunchao, Liang Miaomiao, Wei Jiatian, Huang Jing, Cai Haiming, Wu Guohui, Zhang Linghua, Nie Yunfei. Separation of adipose-derived stromal vascular fraction cells by a variety of physical methods: a comparative study[J]. Chinese Journal of Tissue Engineering Research, 2020, 24(13): 1976-1982.
2.3 细胞增殖率 酶解法、改良推注法、普通推注法、玻璃珠法、内置超声波法、阴性对照组的细胞增殖率分别为0.036±0.005,0.021±0.005,0.024±0.004,0.035±0.003,0.032±0.004,0.032±0.003。酶解法因为无机械压力的原因增殖率最高,而玻璃珠法收集到的基质血管组分细胞比酶解法收集到的略低,普通推注法最低。普通推注法和改良推注法与阴性对照及酶解法相比差异有显著性意义(P < 0.05),玻璃珠法和内置超声波法与普通推注法相比差异也有显著性意义(P < 0.05)。 2.4 细胞活性 阴性对照由于没有经过任何处理,细胞量极低,故细胞活性也最低,为0.203±0.018。酶解法由于没有机械压力所以细胞活性最高,为0.959±0.016。玻璃珠法细胞活性为0.868±0.021,内置超声波法细胞活性为0.861±0.025,改良推注法细胞活性为0.651±0.011,普通推注法细胞活性为0.583±0.013,玻璃珠法及内置超声波法的细胞活性相差不大,与酶解法相比略低,但差异无显著性意义(P > 0.05),而改良推注法和普通推注法与酶解法、玻璃珠法、内置超声波法相比细胞活性更低,差异有显著性意义(P < 0.05),5种方法与阴性对照相比差异有非常显著性意义(P < 0.01)。 2.5 细胞碎片率及凋亡率 采用流式细胞仪进行检测,见图4,由结果可以看到酶解法、玻璃珠法、内置超声波法、改良推注法、普通推注法收集到的基质血管组分细胞中碎片比例分别为(2.35±1.48)%,(7.85±4.43)%,(10.63± 4.37)%,(24.49±4.65)%,(35.51±4.23)%,酶解法碎片比例略低于玻璃珠法,但差异无显著性意义(P > 0.05)。酶解法、玻璃珠法及内置超声波法细胞碎片比例要远远低于普通推注法和改良推注法,差异有显著性意义(P < 0.05),见图5。 "
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