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Rna renal fibrosis

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https://www.readbyqxmd.com/read/28151474/lincrna-gm4419-knockdown-ameliorates-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-mediated-inflammation-in-diabetic-nephropathy
#1
Hong Yi, Rui Peng, Lu-Yu Zhang, Yan Sun, Hui-Min Peng, Han-Deng Liu, Li-Juan Yu, Ai-Ling Li, Ya-Juan Zhang, Wen-Hao Jiang, Zheng Zhang
Diabetic nephropathy (DN) as the primary cause of end-stage kidney disease is a common complication of diabetes. Recent researches have shown the activation of nuclear factor kappa light-chain enhancer of activated B cells (NF-κB) and NACHT, LRR and PYD domain-containing protein 3 (NLRP3) inflammasome are associated with inflammation in the progression of DN, but the exact mechanism is unclear. Long noncoding RNAs (lncRNAs) have roles in the development of many diseases including DN. However, the relationship between lncRNAs and inflammation in DN remains largely unknown...
February 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28118775/renoprotective-effects-of-a-dipeptidyl-peptidase-4-inhibitor-in-a-mouse-model-of-progressive-renal-fibrosis
#2
Takahiro Uchida, Takashi Oda, Hidehito Matsubara, Atsushi Watanabe, Hanako Takechi, Naoki Oshima, Yutaka Sakurai, Hiroo Kumagai
Although the effects of dipeptidyl peptidase 4 (DPP-4) inhibitors beyond their hypoglycemic action have been reported, whether these inhibitors have renoprotective effects in nondiabetic chronic kidney disease (CKD) is unclear. We examined the therapeutic effects of DPP-4 inhibition in mice with unilateral ureteral obstruction (UUO), a nondiabetic model of progressive renal fibrosis. After UUO surgery, mice were administered either the DPP-4 inhibitor alogliptin or a vehicle by oral gavage once a day for 10 days...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28109003/eradication-of-hcv-and-non-liver-related-non-aids-related-events-in-hiv-hcv-coinfection
#3
Juan Berenguer, Elena Rodríguez-Castellano, Ana Carrero, Miguel A Von Wichmann, Marta Montero, María J Galindo, Josep Mallolas, Manuel Crespo, María J Téllez, Carmen Quereda, José Sanz, Carlos Barros, Cristina Tural, Ignacio Santos, Federico Pulido, Josep M Guardiola, Rafael Rubio, Enrique Ortega, María L Montes, Juan J Jusdado, Gabriel Gaspar, Herminia Esteban, José M Bellón, Juan González-García
: We assessed non-liver-related non-AIDS-related (NLR-NAR) events and mortality in a cohort of HIV/HCV-coinfected patients treated with interferon and ribavirin between 2000 and 2008. The censoring date was May 31, 2014. Cox regression analysis was performed to assess the adjusted hazard rate (HR) of overall death in responders and non-responders. Fine and Gray regression analysis was conducted to determine the adjusted sub-hazard rate (sHR) of NLR deaths and NLR-NAR events considering death as the competing risk...
January 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28099916/involvement-of-nf-%C3%AE%C2%BAbiz-and-related-cytokines-in-age-associated-renal-fibrosis
#4
Ki Wung Chung, Hyeong Oh Jeong, Bonggi Lee, Daeui Park, Dae Hyun Kim, Yeun Ja Choi, Eun Kyeong Lee, Kyung Mok Kim, June Whoun Park, Byung Pal Yu, Hae Young Chung
Chronic inflammation is a major contributor to age-related nephropathic changes, including renal fibrosis. In this study, various experimental paradigms were designed to delineate the role played by NF-κBIZ (also known as IκBζ) in age-associated renal fibrosis. Analyses based on RNA-sequencing findings obtained by next generation sequencing (NGS) revealed the upregulations of NF-κBIZ and of IL-6 and MCP-1 (both known to be regulated by NF-κBIZ) during aging. The up-regulation of NF-κBIZ in aged rat kidneys coincided with increased macrophage infiltration...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28089974/cardiopulmonary-disease-development-in-anti-rna-polymerase-iii-positive-systemic-sclerosis-comparative-analyses-from-an-unselected-prospective-patient-cohort
#5
Anna-Maria Hoffmann-Vold, Øyvind Midtvedt, Anders H Tennøe, Torhild Garen, May Brit Lund, Trond M Aaløkken, Arne K Andreassen, Fadi Elhage, Cathrine Brunborg, Eli Taraldsrud, Øyvind Molberg
OBJECTIVE: Extensive skin disease and renal crisis are hallmarks of anti-RNA polymerase III (RNAP)-positive systemic sclerosis (SSc), while lung and heart involvement data are conflicting. Here, the aims were to perform time-course analyses of interstitial lung disease (ILD) and pulmonary hypertension (PH) in the RNAP subset of a prospective unselected SSc cohort and to use the other autoantibody subsets as comparators. METHODS: The study cohort included 279 patients with SSc from the observational Oslo University Hospital cohort with complete data on (1) SSc-related autoantibodies, (2) paired, serial analyses of lung function and fibrosis by computed tomography, and (3) PH verified by right heart catheterization...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28077323/high-glucose-down-regulates-microrna-181a-5p-to-increase-pro-fibrotic-gene-expression-by-targeting-early-growth-response-factor-1-in-hk-2-cells
#6
Ping Xu, Mei-Ping Guan, Jian-Gang Bi, Dan Wang, Zong-Ji Zheng, Yao-Ming Xue
Tubulointerstitial fibrosis (TIF) plays an important role in the progression of renal fibrosis in diabetic nephropathy (DN). Accumulating evidence supports a crucial effect of early growth response factor 1 (Egr1) on renal fibrosis in DN, but the underlying mechanisms are not entirely clear. Here, we explored the aggravating role of Egr1 and identified microRNA-181a-5p (miR-181a-5p) as an upstream regulator of Egr1 in TIF of DN. We demonstrated that overexpression of Egr1 enhanced, whereas small interfering RNA targeting Egr1 decreased the expressions of transforming growth factor β1 (TGF-β1) and fibrosis-related genes including fibronectin and collagen I in human proximal tubule cell line (HK-2) cells...
February 2017: Cellular Signalling
https://www.readbyqxmd.com/read/27849555/role-of-post-transcriptional-regulation-of-mrna-stability-in-renal-pathophysiology-focus-on-chronic-kidney-disease
#7
REVIEW
Eva Feigerlová, Shyue-Fang Battaglia-Hsu
Chronic kidney disease (CKD) represents an important public health problem. Its progression to end-stage renal disease is associated with increased morbidity and mortality. The determinants of renal function decline are not fully understood. Recent progress in the understanding of post-transcriptional regulation of mRNA stability has helped the identification of both the trans- and cis-acting elements of mRNA as potential markers and therapeutic targets for difficult-to-diagnose and -treat diseases, including CKDs such as diabetic nephropathy...
November 14, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27706206/incidences-and-risk-factors-of-organ-manifestations-in-the-early-course-of-systemic-sclerosis-a-longitudinal-eustar-study
#8
Veronika K Jaeger, Elina G Wirz, Yannick Allanore, Philipp Rossbach, Gabriela Riemekasten, Eric Hachulla, Oliver Distler, Paolo Airò, Patricia E Carreira, Alexandra Balbir Gurman, Mohammed Tikly, Serena Vettori, Nemanja Damjanov, Ulf Müller-Ladner, Jörg H W Distler, Mangtao Li, Ulrich A Walker
OBJECTIVE: Systemic sclerosis (SSc) is a rare and clinically heterogeneous autoimmune disorder characterised by fibrosis and microvascular obliteration of the skin and internal organs. Organ involvement mostly manifests after a variable period of the onset of Raynaud's phenomenon (RP). We aimed to map the incidence and predictors of pulmonary, cardiac, gastrointestinal (GI) and renal involvement in the early course of SSc. METHODS: In the EUSTAR cohort, patients with early SSc were identified as those who had a visit within the first year after RP onset...
2016: PloS One
https://www.readbyqxmd.com/read/27703201/rhein-reversal-of-dna-hypermethylation-associated-klotho-suppression-ameliorates-renal-fibrosis-in-mice
#9
Qin Zhang, Shasha Yin, Lin Liu, Zhihong Liu, Wangsen Cao
Renal fibrosis is the hallmark of chronic kidney diseases (CKD) and its development and progression are significantly affected by epigenetic modifications. Rhein, a plant-derived anthraquinone, displays strong anti-fibrosis properties, but its protective mode of action remains incompletely understood. Here we explore the mechanism of Rhein anti-renal fibrosis by investigating its regulation of Klotho, a known renal anti-fibrotic protein whose suppression after renal injury reportedly involves aberrant DNA methylation...
October 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27693697/let-7d-mirna-prevents-tgf-%C3%AE-1-induced-emt-and-renal-fibrogenesis-through-regulation-of-hmga2-expression
#10
Ya Wang, Ying Le, Jun-Yu Xue, Zong-Ji Zheng, Yao-Ming Xue
TGF-β1-induced epithelial to mesenchymal transition (EMT) process of tubular epithelial cells plays a leading role in the occurrence and progression of renal fibrosis as seen in diabetic nephropathy (DN). High mobility group AT-hook 2 (HMGA2) is considered to be involved in TGF-β1-mediated EMT via multifactorial mechanisms. Specific microRNAs (miRNAs) are closely associated with EMT, and here we focused on let-7d miRNA as a regulator of HMGA2. This study aims to investigate the effects of HMGA2 on EMT process induced by TGF-β1 using small interfering RNA (siRNA) technique in vitro, and further explore the potential role of let-7d miRNA during renal fibrosis in DN...
October 28, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27617141/genetic-considerations-in-pediatric-chronic-kidney-disease
#11
REVIEW
Lyndsay A Harshman, Diana Zepeda-Orozco
Chronic kidney disease (CKD) in children is an irreversible process that, in some cases, may lead to end-stage renal disease. The majority of children with CKD have a congenital disorder of the kidney or urological tract arising from birth. There is strong evidence for both a genetic and epigenetic component to progression of CKD. Utilization of gene-mapping strategies, ranging from genome-wide association studies to single-nucleotide polymorphism analysis, serves to identify potential genetic variants that may lend to disease variation...
March 2016: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/27616741/fyn-deficiency-attenuates-renal-fibrosis-by-inhibition-of-phospho-stat3
#12
Hye-Young Seo, Jae-Han Jeon, Yun-A Jung, Gwon-Soo Jung, Eun Ju Lee, Young-Keun Choi, Keun-Gyu Park, Mi Sun Choe, Byoung Kuk Jang, Mi-Kyung Kim, In-Kyu Lee
The hallmark of renal tubulointerstitial fibrosis is the accumulation of myofibroblasts and extracellular matrix proteins. Fyn, a member of the Src family of kinases, has diverse biological functions including regulation of mitogenic signaling and proliferation and integrin-mediated interaction. Src family proteins promote pulmonary fibrosis by augmenting transforming growth factor-β signaling, but their role in renal fibrosis is less understood. We observed upregulation of Fyn in a renal fibrosis model induced by unilateral ureteral obstruction...
September 8, 2016: Kidney International
https://www.readbyqxmd.com/read/27612998/targeting-eif5a-hypusination-prevents-anoxic-cell-death-through-mitochondrial-silencing-and-improves-kidney-transplant-outcome
#13
Nicolas Melis, Isabelle Rubera, Marc Cougnon, Sébastien Giraud, Baharia Mograbi, Amine Belaid, Didier F Pisani, Stephan M Huber, Sandra Lacas-Gervais, Konstantina Fragaki, Nicolas Blondeau, Paul Vigne, Christian Frelin, Thierry Hauet, Christophe Duranton, Michel Tauc
The eukaryotic initiation factor 5A (eIF5A), which is highly conserved throughout evolution, has the unique characteristic of post-translational activation through hypusination. This modification is catalyzed by two enzymatic steps involving deoxyhypusine synthase (DHPS) and deoxyhypusine hydroxylase (DOHH). Notably, eIF5A may be involved in regulating the lifespan of Drosophila during long-term hypoxia. Therefore, we investigated the possibility of a link between eIF5A hypusination and cellular resistance to hypoxia/anoxia...
September 9, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27612995/tenascin-c-is-a-major-component-of-the-fibrogenic-niche-in-kidney-fibrosis
#14
Haiyan Fu, Yuan Tian, Lili Zhou, Dong Zhou, Roderick J Tan, Donna B Stolz, Youhua Liu
Kidney fibrosis initiates at certain focal sites in which the fibrogenic niche provides a specialized microenvironment that facilitates fibroblast activation and proliferation. However, the molecular identity of these fibrogenic niches is poorly characterized. Here, we determined whether tenascin-C (TNC), an extracellular matrix glycoprotein, is a component of the fibrogenic niche in kidney fibrosis. In vivo, TNC expression increased rapidly in kidneys subjected to unilateral ureteral obstruction or ischemia/reperfusion injury and predominantly localized at the foci rich in fibroblasts in renal interstitium...
September 9, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27610006/tgf-%C3%AE-1-smads-and-mir-21-in-renal-fibrosis-and-inflammation
#15
REVIEW
Agnieszka Loboda, Mateusz Sobczak, Alicja Jozkowicz, Jozef Dulak
Renal fibrosis, irrespective of its etiology, is a final common stage of almost all chronic kidney diseases. Increased apoptosis, epithelial-to-mesenchymal transition, and inflammatory cell infiltration characterize the injured kidney. On the molecular level, transforming growth factor-β1 (TGF-β1)-Smad3 signaling pathway plays a central role in fibrotic kidney disease. Recent findings indicate the prominent role of microRNAs, small noncoding RNA molecules that inhibit gene expression through the posttranscriptional repression of their target mRNAs, in different pathologic conditions, including renal pathophysiology...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27597128/short-hairpin-rna-knockdown-of-connective-tissue-growth-factor-by-ultrasound-targeted-microbubble-destruction-improves-renal-fibrosis
#16
Shuping Wei, Chaoli Xu, Joshua J Rychak, Alice Luong, Yu Sun, Zhijian Yang, Mingxia Li, Chunrui Liu, Ninghua Fu, Bin Yang
The purpose of this study was to evaluate whether ultrasound-targeted microbubble destruction transfer of interfering RNA against connective tissue growth factor (CTGF) in the kidney would ameliorate renal fibrosis in vivo. A short hairpin RNA (shRNA) targeting CTGF was cloned into a tool plasmid and loaded onto the surface of a cationic microbubble product. A unilateral ureteral obstruction (UUO) model in mice was used to evaluate the effect of CTGF knockdown. Mice were administered the plasmid-carrying microbubble intravenously, and ultrasound was applied locally to the obstructed kidney...
December 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27578257/aging-increases-the-susceptibility-of-hepatic-inflammation-liver-fibrosis-and-aging-in-response-to-high-fat-diet-in-mice
#17
In Hee Kim, Jun Xu, Xiao Liu, Yukinori Koyama, Hsiao-Yen Ma, Karin Diggle, Young-Hyun You, Jan M Schilling, Dilip Jeste, Kumar Sharma, David A Brenner, Tatiana Kisseleva
We aimed to investigate whether aging increases the susceptibility of hepatic and renal inflammation or fibrosis in response to high-fat diet (HFD) and explore the underlying genetic alterations. Middle (10 months old) and old (20 months old) aged, male C57BL/6N mice were fed either a low-fat diet (4 % fat) or HFD (60 % fat) for 4 months. Young (3 months old) aged mice were included as control group. HFD-induced liver and kidney injuries were analyzed by serum and urine assay, histologic staining, immunohistochemistry, and reverse-transcription real-time quantitative polymerase chain reaction...
August 2016: Age (2005-)
https://www.readbyqxmd.com/read/27565966/cd39-overexpression-does-not-attenuate-renal-fibrosis-in-the-unilateral-ureteric-obstructive-model-of-chronic-kidney-disease
#18
Veena Roberts, B Lu, J Chia, P J Cowan, K M Dwyer
Chronic kidney disease has multiple etiologies, but its single, hallmark lesion is renal fibrosis. CD39 is a key purinergic enzyme in the hydrolysis of ATP and increased CD39 activity on regulatory T cells (Treg) is protective in adriamycin-induced renal fibrosis. We examined the effect of overexpression of human CD39 on the development of renal fibrosis in the unilateral ureteric obstructive (UUO) model, a model widely used to study the molecular and cellular factors involved in renal fibrosis. Mice overexpressing human CD39 (CD39Tg) and their wild-type (WT) littermates were subjected to UUO; renal histology and messenger RNA (mRNA) levels of adenosine receptors and markers of renal fibrosis were examined up to 14 days after UUO...
December 2016: Purinergic Signalling
https://www.readbyqxmd.com/read/27513209/inhibition-of-coagulation-proteases-xa-and-iia-decreases-ischemia-reperfusion-injuries-in-a-preclinical-renal-transplantation-model
#19
Solenne Tillet, Sébastien Giraud, Thomas Kerforne, Thibaut Saint-Yves, Sandrine Joffrion, Jean-Michel Goujon, Jerôme Cau, Gérard Mauco, Maurice Petitou, Thierry Hauet
Coagulation is an important pathway in the pathophysiology of ischemia-reperfusion injuries. In particular, deceased after circulatory death (DCD) donors undergo a no-flow period, a strong activator of coagulation. Hence, therapies influencing the coagulation cascade must be developed. We evaluated the effect of a new highly specific and effective anti-Xa/IIa molecule, with an integrated innovative antidote site (EP217609), in a porcine preclinical model mimicking injuries observed in DCD donor kidney transplantation...
July 25, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27492484/treatment-with-cytokine-thymic-stromal-lymphopoietin-short-hairpin-rna-substantially-reduces-tgf-%C3%AE-1-induced-interstitial-cellular-fibrosis
#20
Pei-Fang Hsieh, Shu-Fen Liu, Tsung-Jen Hung, Chien-Ya Hung, Guo-Zheng Liu, Lea-Yea Chuang, Mei-Fen Chen, Jue-Long Wang, Ming-Der Shi, Chen Hung Hsu, Yow-Ling Shiue, Yu-Lin Yang
Thymic stromal lymphopoietin (TSLP) has previously been linked to allergic inflammatory diseases, and tissue fibrosis and organ dysfunction may also arise from such inflammation. It remains unclear, however, whether TSLP plays any role in the occurrence of renal fibrosis, so this study investigated that possibility. An in vitro fibrosis model was established by treating normal rat kidney fibroblast (NRK-49F) cells with transforming growth factor-β1 (TGF-β1), after which the levels of various fibrogenic markers (e...
September 10, 2016: Experimental Cell Research
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