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10.1126/scitranslmed.3003205 http://scihub22266oqcxt.onion/10.1126/scitranslmed.3003205 22344686!3672221!22344686     free     free     free Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Sci+Transl+Med 2012 ; 4 (121): 121ra18 Nephropedia Template TP {{tp|p=22344686|t=2012. MicroRNA-21 promotes fibrosis of the kidney by silencing metabolic pathways |pdf=|usr=}}{{22344686}} gab.com Text MicroRNA-21 promotes fibrosis of the kidney by silencing metabolic pathways JO: Sci Transl Med http://www.kidney.de/pget.php?&tw=1&pmid=22344686 #FOAvip Scarring of the kidney is a major public health concern, directly promoting loss of kidney function. To understand the role of microRNA (miRNA) in the progression of kidney scarring in response to injury, we investigated changes in miRNA expression in two kidney fibrosis models and identified 24 commonly up-regulated miRNAs. Among them, miR-21 was highly elevated in both animal models and in human transplanted kidneys with nephropathy. Deletion of miR-21 in mice resulted in no overt abnormality. However, miR-21(-/-) mice suffered far less interstitial fibrosis in response to kidney injury, a phenotype duplicated in wild-type mice treated with anti-miR-21 oligonucleotides. Global derepression of miR-21 target mRNAs was readily detectable in miR-21(-/-) kidneys after injury. Analysis of gene expression profiles up-regulated in the absence of miR-21 identified groups of genes involved in metabolic pathways, including the lipid metabolism pathway regulated by peroxisome proliferator-activated receptor-alpha (Pparalpha), a direct miR-21 target. Overexpression of Pparalpha prevented ureteral obstruction-induced injury and fibrosis. Pparalpha deficiency abrogated the antifibrotic effect of anti-miR-21 oligonucleotides. miR-21 also regulated the redox metabolic pathway. The mitochondrial inhibitor of reactive oxygen species generation Mpv17l was repressed by miR-21, correlating closely with enhanced oxidative kidney damage. These studies demonstrate that miR-21 contributes to fibrogenesis and epithelial injury in the kidney in two mouse models and is a candidate target for antifibrotic therapies. Twit Text FOAVip MicroRNA-21 promotes fibrosis of the kidney by silencing metabolic pathways ????Sci Transl Med http://www.kidney.de/pget.php?&tw=1&pmid=22344686 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=22344686 #FOAvip English Wikipedia <ref>{{Cite pmid|22344686}}</ref> MicroRNA-21 promotes fibrosis of the kidney by silencing metabolic pathways #MMPMID22344686 Chau BN; Xin C; Hartner J; Ren S; Castano AP; Linn G; Li J; Tran PT; Kaimal V; Huang X; Chang AN; Li S; Kalra A; Grafals M; Portilla D; MacKenna DA; Orkin SH; Duffield JS Sci Transl Med 2012[Feb]; 4 (121): 121ra18 PMID22344686show ga Scarring of the kidney is a major public health concern, directly promoting loss of kidney function. To understand the role of microRNA (miRNA) in the progression of kidney scarring in response to injury, we investigated changes in miRNA expression in two kidney fibrosis models and identified 24 commonly up-regulated miRNAs. Among them, miR-21 was highly elevated in both animal models and in human transplanted kidneys with nephropathy. Deletion of miR-21 in mice resulted in no overt abnormality. However, miR-21(-/-) mice suffered far less interstitial fibrosis in response to kidney injury, a phenotype duplicated in wild-type mice treated with anti-miR-21 oligonucleotides. Global derepression of miR-21 target mRNAs was readily detectable in miR-21(-/-) kidneys after injury. Analysis of gene expression profiles up-regulated in the absence of miR-21 identified groups of genes involved in metabolic pathways, including the lipid metabolism pathway regulated by peroxisome proliferator-activated receptor-alpha (Pparalpha), a direct miR-21 target. Overexpression of Pparalpha prevented ureteral obstruction-induced injury and fibrosis. Pparalpha deficiency abrogated the antifibrotic effect of anti-miR-21 oligonucleotides. miR-21 also regulated the redox metabolic pathway. The mitochondrial inhibitor of reactive oxygen species generation Mpv17l was repressed by miR-21, correlating closely with enhanced oxidative kidney damage. These studies demonstrate that miR-21 contributes to fibrogenesis and epithelial injury in the kidney in two mouse models and is a candidate target for antifibrotic therapies. |*Gene Silencing[MESH] |Animals[MESH] |Fibrosis[MESH] |Humans[MESH] |Kidney/metabolism/*pathology[MESH] |Mice[MESH] |Mice, Knockout[MESH] |MicroRNAs/*physiology[MESH]MicroRNA-21 promotes fibrosis of the kidney by silencing metabolic pat(epmc).pdf DeepDyve Pubget Overpricing