Abstract
In this study, we aimed to explore the expression levels of JAK2 and PTPRC in peripheral blood mononuclear cells (PBMCs) from SLE patients and controls, detect the effects of SLE activity on genes mRNA expression, and find the association between genes mRNA expression and clinical manifestations of patients. We performed quantitative real-time PCR (qRT-PCR) to test differences in the expression levels of JAK2 and PTPRC in PBMCs extracted from 135 patients with SLE and 130 healthy controls. Furthermore, we detected the regulatory effect of SNPs on gene expression by expression quantitative trait loci (eQTL). We also tested whether the genes mRNA expression was affected with the SLE activity and analyzed the relationship between genes mRNA expression and clinical manifestations of patients. The mRNA expression levels of JAK2 in SLE patients were significantly higher than those in healthy controls (P = 0.005), and PTPRC mRNA expression levels were significantly decreased (P < 0.001). However, no other statistical significance was detected. We found that the elevated JAK2 mRNA expression and the decreased PTPRC mRNA expression may play suggestive roles in the pathogenesis of SLE.Key Points• The JAK2 mRNA expression levels in SLE patients were significantly higher than those in healthy controls.• The PTPRC mRNA expression levels in SLE were decreased.• JAK2 and PTPRC mRNA expression may play suggestive roles in the pathogenesis of SLE.
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