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10.3892/ijmm.2017.3087 http://scihub22266oqcxt.onion/10.3892/ijmm.2017.3087 C5593473!5593473 !28791349     free     free     free Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 286.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 286.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\28791349 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Int+J+Mol+Med 2017 ; 40 (4 ): 979-986 Nephropedia Template TP {{tp|p=28791349 |t=2017. Ubiquitin specific peptidase 4 stabilizes interferon regulatory factor protein and promotes its function to facilitate interleukin-4 expression in T helper type 2 cells |pdf=|usr=}}{{28791349 }} gab.com Text Ubiquitin specific peptidase 4 stabilizes interferon regulatory factor protein and promotes its function to facilitate interleukin-4 expression in T helper type 2 cells JO: Int J Mol Med http://www.kidney.de/pget.php?&tw=1&pmid=28791349 #FOAvip We speculated that ubiquitin specific peptidase 4 (USP4) may deubiquitinate interferon regulatory factor 4 (IRF4) and affect T helper type 2 (Th2) cell function. This study aimed to validate this hypothesis. Here, the interaction between USP4 and IRF4 were analyzed by co-immunoprecipitation assay. The deubiquitin effect of USP4 on IRF4 was analyzed by the Ni-NTA pull down assay. Luciferase reporter gene constructs were used to analyze the effects of USP4, IRF4 and nuclear factor of activated T cell-2 (NFATc2) on the activation of the interleukin-4 (IL-4) promoter. Then, the Th2 cells were infected with sh-USP4 to analyze the effects of USP4 on the expression levels of IRF4 and Th2-related cytokines. Western blotting and RT-qPCR were used to detect the protein and mRNA expression levels, respectively. To determine the levels of IL-4 and IRF4 in rheumatic heart disease (RHD) patients, peripheral blood mononuclear cells (PBMCs) were separated by density gradient centrifugation from RHD patients and healthy controls, and flow cytometric analysis was performed. Our results validated the interaction between USP4 and IRF4, and effects of USP4 on stabilization and deubiquitination of IRF4 were also found. Importantly, USP4 and IRF4 synergized with NFATc2 to specifically enhance NFAT-mediated activation of the IL-4 promoter. USP4 knockdown not only decreased the expression level of IRF4, but also affected the expression level of Th2-related cytokines. Finally, the increased level of IL-4 and IRF4 in PBMCs of RHD patients were observed. On the whole, our data indicate that USP4 interacts with and deubiquitinates IRF4, and also stabilizes IRF4 protein and promotes IRF4 function to facilitate IL-4 expression in Th2 cells, which may be related to the pathological process of RHD. Twit Text FOAVip Ubiquitin specific peptidase 4 stabilizes interferon regulatory factor protein and promotes its function to facilitate interleukin-4 expression in T helper type 2 cells ????Int J Mol Med http://www.kidney.de/pget.php?&tw=1&pmid=28791349 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28791349 #FOAvip English Wikipedia <ref>{{Cite pmid|28791349 }}</ref> Ubiquitin specific peptidase 4 stabilizes interferon regulatory factor protein and promotes its function to facilitate interleukin-4 expression in T helper type 2 cells #MMPMID28791349 Guo Z ; Xu P ; Ge S ; Zhang C ; Zheng X ; Xu J ; Liu Z ; Li B ; Ge S Int J Mol Med 2017[Oct]; 40 (4 ): 979-986 PMID28791349 show ga We speculated that ubiquitin specific peptidase 4 (USP4) may deubiquitinate interferon regulatory factor 4 (IRF4) and affect T helper type 2 (Th2) cell function. This study aimed to validate this hypothesis. Here, the interaction between USP4 and IRF4 were analyzed by co-immunoprecipitation assay. The deubiquitin effect of USP4 on IRF4 was analyzed by the Ni-NTA pull down assay. Luciferase reporter gene constructs were used to analyze the effects of USP4, IRF4 and nuclear factor of activated T cell-2 (NFATc2) on the activation of the interleukin-4 (IL-4) promoter. Then, the Th2 cells were infected with sh-USP4 to analyze the effects of USP4 on the expression levels of IRF4 and Th2-related cytokines. Western blotting and RT-qPCR were used to detect the protein and mRNA expression levels, respectively. To determine the levels of IL-4 and IRF4 in rheumatic heart disease (RHD) patients, peripheral blood mononuclear cells (PBMCs) were separated by density gradient centrifugation from RHD patients and healthy controls, and flow cytometric analysis was performed. Our results validated the interaction between USP4 and IRF4, and effects of USP4 on stabilization and deubiquitination of IRF4 were also found. Importantly, USP4 and IRF4 synergized with NFATc2 to specifically enhance NFAT-mediated activation of the IL-4 promoter. USP4 knockdown not only decreased the expression level of IRF4, but also affected the expression level of Th2-related cytokines. Finally, the increased level of IL-4 and IRF4 in PBMCs of RHD patients were observed. On the whole, our data indicate that USP4 interacts with and deubiquitinates IRF4, and also stabilizes IRF4 protein and promotes IRF4 function to facilitate IL-4 expression in Th2 cells, which may be related to the pathological process of RHD. |Case-Control Studies [MESH] |Cell Separation [MESH] |Female [MESH] |Gene Expression Regulation [MESH] |Genes, Reporter [MESH] |Humans [MESH] |Interferon Regulatory Factors/*genetics/immunology [MESH] |Interleukin-4/*genetics/immunology [MESH] |Leukocytes, Mononuclear/immunology/pathology [MESH] |Luciferases/genetics/metabolism [MESH] |Male [MESH] |Middle Aged [MESH] |NFATC Transcription Factors/genetics/immunology [MESH] |Primary Cell Culture [MESH] |Promoter Regions, Genetic [MESH] |Protein Binding [MESH] |RNA, Small Interfering/*genetics/immunology [MESH] |Rheumatic Heart Disease/*genetics/immunology/pathology [MESH] |Signal Transduction [MESH] |Th2 Cells/*immunology/pathology [MESH]Ubiquitin specific peptidase 4 stabilizes interferon regulatory factor(epmc).pdf DeepDyve Pubget Overpricing