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1.400038 重庆,陆军军医大学(第三军医大学)高原军事医学系:高原特需药品与器材研究室
2.400038 重庆,陆军军医大学(第三军医大学)高原军事医学系:全军高原医学重点实验室
3.400038 重庆,陆军军医大学(第三军医大学)高原军事医学系:病理生理学教研室
[ 张二龙,E-mail:loong0810@sina.com ZHANG Erlong, E-mail: loong0810@sina.com
收稿:2018-08-27,
修回:2018-10-29,
纸质出版:2019-03-30
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冯岚, 陈德伟, 高文祥, 等. 7种不同组织来源细胞缺氧损伤效应评价[J]. 第三军医大学学报, 2019,41(6):570-574.
Lan FENG, Dewei CHEN, Wenxiang GAO, et al. Evaluation of hypoxic injuries in 7 cell lines derived from different human tissues[J]. Journal of Third Military Medical University, 2019, 41(6): 570-574.
冯岚, 陈德伟, 高文祥, 等. 7种不同组织来源细胞缺氧损伤效应评价[J]. 第三军医大学学报, 2019,41(6):570-574. DOI: 10.16016/j.1000-5404.201808173.
Lan FENG, Dewei CHEN, Wenxiang GAO, et al. Evaluation of hypoxic injuries in 7 cell lines derived from different human tissues[J]. Journal of Third Military Medical University, 2019, 41(6): 570-574. DOI: 10.16016/j.1000-5404.201808173.
目的
2
观察缺氧条件下7种不同类型细胞损伤程度,筛选对缺氧损伤敏感的细胞模型。
方法
2
选择CCD 841 CoN、GES-1、HUVEC、HEB、HEK-293、HBE和L02等7种不同组织来源的细胞,利用低氧工作站构建不同缺氧浓度(5%O
2
和1%O
2
)细胞缺氧模型,使用CCK-8和LDH方法检测细胞增殖及损伤情况。并用红景天(0.625 μmol/L、2.5 mmol/L)和丁苯酞(1、2 μmol/L)于缺氧开始时处理细胞,观察是否可改善缺氧细胞损伤。
结果
2
与21%O
2
相比,1%O
2
处理24 h时,HEB细胞增殖能力显著降低(
P
<
0.05);与21%O
2
相比,5%O
2
与1%O
2
处理24 h HEB、HUVEC、HBE、HEK-293、CCD 841 CoN、GES-1和L02细胞其上清中LDH酶活力均显著升高(
P
<
0.05,
P
<
0.01);在HEB细胞中,红景天(2.5 mmol/L)和丁苯酞(1 μmol/L)处理可显著逆转低氧诱导的细胞增殖和细胞活力降低(
P
<
0.05);红景天(2.5 mmol/L)和丁苯酞(1 μmol/L)处理可显著逆转低氧诱导的LDH酶活力升高(
P
<
0.05,
P
<
0.01)。
结论
2
HEB细胞对缺氧最为敏感,是较好的抗缺氧损伤药物效应研究细胞的模型。
Objective
2
To observe hypoxic injuries in 7 cell lines derived from different human tissues to identify a cell model that is sensitive to acute hypoxic injury.
Methods
2
Seven cell lines derived from different human tissues
namely CCD 841 CoN
GES-1
HUVEC
HEB
HEK-293
HBE and L02
were exposed to different oxygen concentrations (1% and 5%) for 24 h using a hypoxia workstation. CCK-8 and LDH kits were used to assess the cell proliferation and cell injuries. The cells were then treated with rhodiola (0.625 μmol/L
2.5 mmol/L) and 3-n-butylphthalide (1
2 μmol/L) at the start of hypoxic exposure to assess the protective effects of the drugs against hypoxic cell injuries.
Results
2
Compared with the cells cultured in normal oxygen concentration (21%)
HEB cells exposed to 1% O
2
for 24 h showed significantly lowered proliferative activity (
P
<
0.05). Hypoxic exposure to 5% or 1% O
2
for 24 h significantly increased LDH activity in the culture supernatant of HEB
HUVEC
HBE
HEK-293
CCD 841 CoN
GES-1 and L02 cells (
P
<
0.05 or 0.01). In HEB cells cultured under hypoxic conditions
treatment with rhodiola and 3-n-butylphthalide significantly promoted the cell proliferation and improved the cell viability (
P
<
0.05)
and obviously reversed hypoxia-induced increase in LDH activity (
P
<
0.05 or
P
<
0.01).
Conclusion
2
Among the 7 cell lines tested in this study
HEB cells are the most sensitive to hypoxia and can serve as an ideal model for studying drug interventions of hypoxic cell injuries.
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