首页> 外文期刊>Clinical and Experimental Immunology: An Official Journal of the British Society for Immunology >Increased 8-hydroxy-2'-deoxyguanosine in plasma and decreased mRNA expression of human 8-oxoguanine DNA glycosylase 1, anti-oxidant enzymes, mitochondrial biogenesis-related proteins and glycolytic enzymes in leucocytes in patients with systemic lupus erythematosus.
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Increased 8-hydroxy-2'-deoxyguanosine in plasma and decreased mRNA expression of human 8-oxoguanine DNA glycosylase 1, anti-oxidant enzymes, mitochondrial biogenesis-related proteins and glycolytic enzymes in leucocytes in patients with systemic lupus erythematosus.

机译:系统性红斑狼疮患者血浆中人血浆中8-羟基-2'-脱氧鸟苷的含量增加,人类8-氧鸟嘌呤DNA糖基化酶1,抗氧化酶,线粒体生物发生相关蛋白和糖酵解酶的mRNA表达降低。

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摘要

We measured plasma levels of the oxidative DNA damage marker 8-hydroxy-2'-deoxyguanosine (8-OHdG) and leucocyte mRNA expression levels of the genes encoding the 8-OHdG repair enzyme human 8-oxoguanine DNA glycosylase 1 (hOGG1), the anti-oxidant enzymes copper/zinc superoxide dismutase (Cu/ZnSOD), manganese superoxide dismutase (MnSOD), catalase, glutathione peroxidase-1 (GPx-1), GPx-4, glutathione reductase (GR) and glutathione synthetase (GS), the mitochondrial biogenesis-related proteins mtDNA-encoded ND 1 polypeptide (ND1), ND6, ATPase 6, mitochondrial transcription factor A (Tfam), nuclear respiratory factor 1(NRF-1), pyruvate dehydrogenase E1 component alpha subunit (PDHA1), pyruvate dehydrogenase kinase isoenzyme 1 (PDK-1) and hypoxia inducible factor-1α (HIF-1α) and the glycolytic enzymes hexokinase-II (HK-II), glucose 6-phosphate isomerase (GPI), phosphofructokinase (PFK), glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and lactate dehydrogenase A (LDHa). We analysed their relevance to oxidative damage in 85 systemic lupus erythematosus (SLE) patients, four complicated SLE patients undergoing rituximab treatment and 45 healthy individuals. SLE patients had higher plasma 8-OHdG levels (P?
机译:我们测量了氧化DNA损伤标记物8-羟基-2'-脱氧鸟苷(8-OHdG)的血浆水平和编码8-OHdG修复酶人类8-氧代鸟嘌呤DNA糖基化酶1(hOGG1)的基因的白细胞mRNA表达水平,抗氧化酶铜/锌超氧化物歧化酶(Cu / ZnSOD),锰超氧化物歧化酶(MnSOD),过氧化氢酶,谷胱甘肽过氧化物酶-1(GPx-1),GPx-4,谷胱甘肽还原酶(GR)和谷胱甘肽合成酶(GS),线粒体生物发生相关蛋白mtDNA编码的ND 1多肽(ND1),ND6,ATPase 6,线粒体转录因子A(Tfam),核呼吸因子1(NRF-1),丙酮酸脱氢酶E1组分α亚基(PDHA1),丙酮酸脱氢酶激酶同工酶1(PDK-1)和缺氧诱导因子1α(HIF-1α)以及糖酵解酶己糖激酶II(HK-II),葡萄糖6磷酸异构酶(GPI),果糖磷酸激酶(PFK),甘油醛3-磷酸脱氢酶(GAPDH)和乳酸脱氢酶A(LDHa)。我们分析了他们与85例系统性红斑狼疮(SLE)患者,四名接受利妥昔单抗治疗的复杂SLE患者和45名健康个体的氧化损伤的相关性。 SLE患者血浆中的8-OHdG水平较高(P?<?0·01),但编码hOGG1的基因(P?<?0·01),抗氧化酶的白细胞表达较低(P?<?0·05)。 ,线粒体与生物发生有关的蛋白(P 0·05)和糖酵解酶(P 0·05)的比例高于健康人。血浆8-OHdG的增加与编码hOGG1(P?<?0·05),抗氧化酶(P?<?0·05),几种线粒体生物发生相关的基因的白细胞表达升高呈正相关。狼疮患者体内的蛋白质(Pα<?0·05)和糖酵解酶(Pα<?0·05)。白细胞mtDNA带有D310异质性的患者在mtDNA拷贝数与ND1,ND6和ATPase 6表达之间呈正相关(P?<?0·05),而在mtDNA拷贝数与系统性红斑狼疮之间呈负相关。活性指数(SLEDAI)(P≤<0·05)以及血浆8-OHdG(P≤<0·05)。尤其是,四名复杂的SLE患者,其抗氧化酶GAPDH,Tfam和PDHA1的编码基因表达增加,在利妥昔单抗治疗后获得了更好的治疗效果。总之,SLE恶化可能与较高的氧化损伤有关,DNA修复,抗氧化能力,线粒体生物发生和葡萄糖代谢次佳,可能与SLE恶化有关,并且可以通过有针对性的生物疗法改善这种损害。

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