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- W4293073081 abstract "Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by T-cell immune-dysregulation and loss of tolerance to self-antigens. CTLA-4 and PTPN-22 are involved in the inhibition of T-lymphocytes activation. IL-37 is an anti-inflammatory cytokine that suppresses innate immunity. The relative expression of CTLA-4, IL-37 and PTPN-22 were evaluated as negative regulators of immune response in SLE patients, lupus nephritis (LN) and disease activity. Real-Time PCR was performed to determine relative CTLA-4, IL-37, and PTPN-22 mRNA expressions in fifty-eight SLE patients, who were divided into two groups: 29 SLE patients without nephritis and 29 patients with LN, versus fifty controls. There was a significantly high-expression of CTLA-4 and IL-37 genes in SLE patients compared to controls (p = 0.005; 0.018 respectively). There was no difference in relative PTPN-22 mRNA expression between the SLE patients and controls. Relative CTLA-4 mRNA expression decreased in LN patients (p = 0.044), however, relative IL-37 mRNA over-expressed in LN patients (p = 0.001) compared to those without LN. There was a significant over-expression of relative IL-37 andPTPN-22 mRNA in active SLE patients. But, there was a non-significant difference in CTLA-4 expression with disease activity. Regression analysis revealed patients with relative IL-37 mRNA over-expression had two times more to develop lupus nephritis (OR = 1.906, 95% CI = 1.218–2.983, p = 0.005). Relative IL-37mRNA expression was elevated in SLE patients and associated with renal involvement and disease activity. It could be considered as a new promising predicting tool for LN. Relative PTPN-22 mRNA expression was correlated with disease activity only in SLE patients. El lupus eritematoso sistémico (LES) es una enfermedad autoinmune caracterizada por la desregulación inmune de las células T, y la pérdida de tolerancia a los antígenos propios. CTLA-4 y PTPN-22 están involucrados en la inhibición de la activación de los linfocitos T. IL-37 es una citocina antiinflamatoria que suprime la inmunidad innata. La expresión relativa de CTLA-4, IL-37 y PTPN-22 se evaluó como reguladores negativos de la respuesta inmune en pacientes con LES, nefritis lúpica (NL) y actividad de la enfermedad. Se realizó PCR en tiempo real para determinar las expresiones relativas de ARNm de CTLA-4, IL-37 y PTPN-22 en 58 pacientes con LES, que se dividieron en 2 grupos: 29 pacientes con LES sin nefritis y 29 pacientes con NL frente a 50 controles. Hubo una expresión significativamente alta de los genes CTLA-4 e IL-37 en pacientes con LES en comparación con los controles (p = 0,005; 0,018, respectivamente). No hubo diferencia en la expresión relativa del ARNm de PTPN-22 entre los pacientes con LES y los controles. La expresión relativa de ARNm de CTLA-4 disminuyó en pacientes con LN (p = 0,044); sin embargo, la expresión relativa de ARNm de IL-37 se sobreexpresó en pacientes con LN (p = 0,001) en comparación con aquellos sin LN. Hubo una sobreexpresión significativa de ARNm relativo de IL-37 y PTPN-22 en pacientes con LES activo. Pero hubo una diferencia no significativa en la expresión de CTLA-4 con la actividad de la enfermedad. El análisis de regresión reveló que los pacientes con sobreexpresión relativa de ARNm de IL-37 tenían el doble de riesgo de desarrollar nefritis lúpica (OR: 1,906; IC 95%: 1,218-2,983; p = 0,005). La expresión relativa de ARNm de IL-37 fue elevada en pacientes con LES y se asoció con compromiso renal y actividad de la enfermedad. Podría considerarse como una nueva herramienta de predicción prometedora para LN. La expresión relativa del ARNm de PTPN-22 se correlacionó con la actividad de la enfermedad solo en pacientes con LES." @default.
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- W4293073081 date "2023-04-01" @default.
- W4293073081 modified "2023-10-18" @default.
- W4293073081 title "Relative CTLA-4, PTPN-22, and interleukin 37 mRNA expressions in patients with lupus nephritis" @default.
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- W4293073081 doi "https://doi.org/10.1016/j.reuma.2022.05.001" @default.
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