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1.
Curr Rheumatol Rev ; 2022 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-35366780

RESUMO

BACKGROUND: Immune dysregulation plays an important role in the pathogenesis of rheumatoid arthritis (RA). The CD4+CD25 high FoxP3+ subset of regulatory T cells plays an essential role in preventing autoimmunity and maintaining immune homeostasis. Negative regulation of JAK/STAT signaling is controlled by Suppressor of Cytokine Signaling (SOCs3) proteins. SOCs is produced at lower levels in RA. Our aim was to evaluate the expressional dysregulation of SOCs3 and FoxP3 genes in RA patients in relation to disease activity. SUBJECTS AND METHODS: We have recruited 90 patients with RA and 60 healthy controls in case control study. Whole blood samples were collected from RA patients and healthy subjects. The measurement of FoxP3 and SOCs3 gene expression was performed by real-time PCR (qPCR). RESULTS: Patients with RA had significant decreased expression levels of FoxP3 and SOCs3 genes in comparison with controls (P<0.001) in addition to the insignificance correlation of both genes with disease activity in RA patients. CONCLUSION: FoxP3 and SOCs3 genes showed a significant defects in rheumatoid arthritis patients with no significant difference in disease activity.

2.
Egypt J Immunol ; 25(1): 57-69, 2018 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30242998

RESUMO

Renal dysfunction is a key risk factor for all-cause mortality in patients with type 2 diabetes (T2D). Special attention has been raised regarding the role of soluble tumor necrosis factor receptor1 (sTNFR1) and brain natriuretic peptide (BNP) in diabetic nephropathy (DN) since they play a crucial role in the pathogenesis of T2D complications. Elevated concentrations of sTNFR1and BNP were found to be associated with progression to end stage renal disease (ESRD) in T2D. We determined serum levels of sTNFR1 and BNP in T2D patients and correlated them with various clinical variables especially kidney function and urinary albumin creatinine ratio (UACR). This study included 30 patients with T2D who were divided into two groups according to estimated glomerular filtration rate (eGFR): group 1with (eGFR < 60 mL/min/1.73m²) and group 2 with (eGFR > 60 mL/min/1.73 m²). They were compared with 15 sexes and age matched healthy individuals as a control group. Serum levels of sTNFR1 and BNP were determined using ELISA. Serum levels of sTNFR1 and BNP were significantly higher in group1when compared with group 2 (P= 0.000, P= 0.000) and they were significantly higher in both group1 and group 2 as compared with control (P= 0.000, P= 0.000); (P= 0.000, P = 0.000) respectively. Both sTNFR1 and BNP levels showed significant negative correlation with eGFR (r = - 0.58, P = 0.000); (r= - 0.77, P= 0.000) respectively, and significant positive correlation with UACR (r= 0.84, P= 0.000); (r=0.80, P= 0.000) respectively. In conclusion, increased circulating levels of sTNFR1 and BNP were associated with loss of kidney function in T2D patients.


Assuntos
Diabetes Mellitus Tipo 2/fisiopatologia , Taxa de Filtração Glomerular , Peptídeo Natriurético Encefálico/sangue , Receptores Tipo I de Fatores de Necrose Tumoral/sangue , Estudos de Casos e Controles , Diabetes Mellitus Tipo 2/sangue , Nefropatias Diabéticas/sangue , Egito , Humanos
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