黑龙江医学
黑龍江醫學
흑룡강의학
HEILONGJIANG MEDICAL JOURNAL
2015年
5期
465-467
,共3页
林明%朱旭新%谢晓原%林谭发
林明%硃旭新%謝曉原%林譚髮
림명%주욱신%사효원%림담발
高糖%糖基化终产物%血红素加氧酶1%人单核细胞株%氧化应激
高糖%糖基化終產物%血紅素加氧酶1%人單覈細胞株%氧化應激
고당%당기화종산물%혈홍소가양매1%인단핵세포주%양화응격
High glucose%Advanced glycation end products%The inhibition heme oxygenase 1%Stimulated human monocytes%Oxida-tive stress
目的:探讨抑制血红素加氧酶1(HO-1)表达对高糖(GLU)和糖基化终产物(AGEs)刺激下人单核细胞株(THP-1)氧化应激的影响。方法将THP-1细胞分为三组培养,包括对照组、GLU +AGEs 组(含15 mmol/L的GLU和100 g/mL的AGEs的培养液)、 ZnPP(锌原卟啉)+GLU+AGEs组(先予20 mol/L ZnPP预处理30 min后再以15 mmol/L的GLU和100 g/mL的AGEs刺激),检测各组肿瘤坏死因子α( TNF-α)、丙二醛(MDA)和细胞活性氧( ROS)水平以及HO-1 mRNA和蛋白表达。结果 GLU+AGEs组ROS、MDA和TNF-α水平分别为(101.28±8.67) MFI、(3.17±0.58) nmol/mL和(40.28±10.67) pg/mL,明显高于对照组(P<0.05);ZnPP+GLU+AGEs组ROS、MDA和TNF-α水平分别为(122.47±9.11)MFI、(3.84±0.78)nmol/mL和(132.27±11.09) pg/mL,明显高于GLU +AGEs 组和对照组(P <0.05);GLU+AGEs组和ZnPP+GLU+AGEs组HO-1 mRNA表达量明显高于对照组(P<0.05),其中ZnPP+GLU+AGEs组HO-1 mRNA表达量低于GLU+AGEs组(P<0.05);GLU+AGEs组和ZnPP+GLU+AGEs组HO-1蛋白表达量明显高于对照组( P<0.05),其中ZnPP +GLU+AGEs组 HO-1蛋白表达量低于GLU+AGEs组( P<0.05)。结论高糖和AGEs可引起THP-1细胞氧化损伤和HO-1表达增高,而抑制HO-1表达可进一步加剧高糖和AGEs引起的细胞氧化损伤。
目的:探討抑製血紅素加氧酶1(HO-1)錶達對高糖(GLU)和糖基化終產物(AGEs)刺激下人單覈細胞株(THP-1)氧化應激的影響。方法將THP-1細胞分為三組培養,包括對照組、GLU +AGEs 組(含15 mmol/L的GLU和100 g/mL的AGEs的培養液)、 ZnPP(鋅原卟啉)+GLU+AGEs組(先予20 mol/L ZnPP預處理30 min後再以15 mmol/L的GLU和100 g/mL的AGEs刺激),檢測各組腫瘤壞死因子α( TNF-α)、丙二醛(MDA)和細胞活性氧( ROS)水平以及HO-1 mRNA和蛋白錶達。結果 GLU+AGEs組ROS、MDA和TNF-α水平分彆為(101.28±8.67) MFI、(3.17±0.58) nmol/mL和(40.28±10.67) pg/mL,明顯高于對照組(P<0.05);ZnPP+GLU+AGEs組ROS、MDA和TNF-α水平分彆為(122.47±9.11)MFI、(3.84±0.78)nmol/mL和(132.27±11.09) pg/mL,明顯高于GLU +AGEs 組和對照組(P <0.05);GLU+AGEs組和ZnPP+GLU+AGEs組HO-1 mRNA錶達量明顯高于對照組(P<0.05),其中ZnPP+GLU+AGEs組HO-1 mRNA錶達量低于GLU+AGEs組(P<0.05);GLU+AGEs組和ZnPP+GLU+AGEs組HO-1蛋白錶達量明顯高于對照組( P<0.05),其中ZnPP +GLU+AGEs組 HO-1蛋白錶達量低于GLU+AGEs組( P<0.05)。結論高糖和AGEs可引起THP-1細胞氧化損傷和HO-1錶達增高,而抑製HO-1錶達可進一步加劇高糖和AGEs引起的細胞氧化損傷。
목적:탐토억제혈홍소가양매1(HO-1)표체대고당(GLU)화당기화종산물(AGEs)자격하인단핵세포주(THP-1)양화응격적영향。방법장THP-1세포분위삼조배양,포괄대조조、GLU +AGEs 조(함15 mmol/L적GLU화100 g/mL적AGEs적배양액)、 ZnPP(자원계람)+GLU+AGEs조(선여20 mol/L ZnPP예처리30 min후재이15 mmol/L적GLU화100 g/mL적AGEs자격),검측각조종류배사인자α( TNF-α)、병이철(MDA)화세포활성양( ROS)수평이급HO-1 mRNA화단백표체。결과 GLU+AGEs조ROS、MDA화TNF-α수평분별위(101.28±8.67) MFI、(3.17±0.58) nmol/mL화(40.28±10.67) pg/mL,명현고우대조조(P<0.05);ZnPP+GLU+AGEs조ROS、MDA화TNF-α수평분별위(122.47±9.11)MFI、(3.84±0.78)nmol/mL화(132.27±11.09) pg/mL,명현고우GLU +AGEs 조화대조조(P <0.05);GLU+AGEs조화ZnPP+GLU+AGEs조HO-1 mRNA표체량명현고우대조조(P<0.05),기중ZnPP+GLU+AGEs조HO-1 mRNA표체량저우GLU+AGEs조(P<0.05);GLU+AGEs조화ZnPP+GLU+AGEs조HO-1단백표체량명현고우대조조( P<0.05),기중ZnPP +GLU+AGEs조 HO-1단백표체량저우GLU+AGEs조( P<0.05)。결론고당화AGEs가인기THP-1세포양화손상화HO-1표체증고,이억제HO-1표체가진일보가극고당화AGEs인기적세포양화손상。
Objective To investigate the inhibition heme oxygenase 1 (HO-1) expression on high glucose (GLU) and advanced gly-cation end products (AGEs) stimulated human monocytes (THP-1) oxidative stress effect.Methods THP-1 cells were divided into three groups, including control group, GLU+AGEs group (medium containing 15 mmol/L GLU and 100 g/mL AGEs), ZnPP+GLU+AGEs group (first,20 mol/L ZnPP 30min after pretreatment with 15mmol/L GLU and 100 g/mL AGEs stimulus), detected each group of tumor necrosis factor-α( TNF-α) , malondialdehyde ( MDA) and cellular reactive oxygen species ( ROS) level and expression of HO-1 mRNA and protein.Results GLU+AGEs group of ROS, MDA and TNF-αlevels were (101.28 ±8.67) MFI, (3.17 ±0.58) nmol/mL and (40.28 ±10.67)pg/mL, significantly higher than the control group (P<0.05);ZnPP+GLU+AGEs group of ROS, MDA and TNF-αlevels were (122.47 ±9.11) MFI,(3.84 ±0.78)nmol/mL and (132.27 ±11.09)pg/mL, were significantly higher than that of GLU+AGEs group and the control group (P<0.05);GLU+AGEs group and ZnPP+GLU+AGEs group HO-1 mRNA expression was significantly higher than that of the control group (P<0.05), the HO-1 mRNA expression in ZnPP+GLU+AGEs group was lower than that of GLU+AGEs group ( P<0.05 ); GLU+AGEs group and ZnPP+GLU+AGEs group HO-1 protein expression was significantly higher than the control group (P<0.05), the ZnPP+GLU+AGEs group HO-1 protein expression was lower than that in GLU+AGEs group (P <0.05).Conclusion High glucose and AGEs can cause THP-1 cells oxidative damage and HO-1 expression increased, the inhibition of HO-1 expression may further exacerbated high glucose and AGEs caused cellular oxidative damage.