2017
DOI: 10.1080/08977194.2017.1345900
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Reduction of CD19 autoimmunity marker on B cells of paediatric SLE patients through repressing PU.1/TNF-α/BAFF axis pathway by miR-155

Abstract: microRNA-155 (miR-155) is implicated in regulating B-cell activation and survival that is important in systemic lupus erythematosus (SLE) pathogenesis. PU.1, a target for miR-155, is a crucial regulator of B-cell development and enhances Tumour-Necrosis-factor-alpha (TNF-α) expression. TNF-α induces the expression of B-cell-activating-factor (BAFF). BAFF is reported to increase the expression of the autoimmunity marker; CD19. This study aimed to investigate the regulation of expression of PU.1 in pediatric-sys… Show more

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Cited by 25 publications
(19 citation statements)
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“…Ectopic expression of miR-155 and knockdown of PU.1 suppressed TNF-α and BAFF on CD19 + B cells. This study provided an evidence of miRNA-155 suppression of autoimmunity through transcriptional repression of PU.1, TNF-α and BAFF on lupus B cells [68].…”
Section: Extracellular Rna and Slementioning
confidence: 73%
“…Ectopic expression of miR-155 and knockdown of PU.1 suppressed TNF-α and BAFF on CD19 + B cells. This study provided an evidence of miRNA-155 suppression of autoimmunity through transcriptional repression of PU.1, TNF-α and BAFF on lupus B cells [68].…”
Section: Extracellular Rna and Slementioning
confidence: 73%
“…All transfection experiments were executed in triplicates employing HiPerfect Transfection Reagent (Qiagen, Germany). All Experiments were repeated 3 times or more [14] , [28] , [30] , [31] .…”
Section: Methodsmentioning
confidence: 99%
“…Cells were analyzed on Accuri C6 or BD Canto II flok6w cytometers (BD bioscience, California, USA). Data analysis was done using FlowJo™ 10 (BD bioscience, California, USA) [31] .…”
Section: Methodsmentioning
confidence: 99%
“…Furthermore, epidemiological and clinical data demonstrate that unlike males, the females tend to develop severe disease [ 107 ]. This sex-differential susceptibility to SLE may be influenced by genes expressed on sex chromosomes and the level of sex hormones [ 108 110 ]. Several microRNAs have already been described to be affected by the estrogen levels [ 111 113 ].…”
Section: Microrna In Sle and Lnmentioning
confidence: 99%
“…Another study that investigated the potential of miR-155 in SLE showed that miR-155 suppresses autoimmunity through transcriptional repression of PU.1 and TNF- α , which in turn suppresses BAFF and CD19 protein expression. miR-155 decreased, therefore, the proportion of BAFF-expressing B cells and CD19 protein expression [ 110 ]. MicroRNA-155 expression was also significantly increased during the development of diffuse alveolar hemorrhage (DAH) which is rare but life-threatening complication of SLE.…”
Section: Microrna Regulating Innate Immune Responses Involved In Dmentioning
confidence: 99%