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Renal fibrosis

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https://www.readbyqxmd.com/read/29665081/safety-of-sofosbuvir-based-regimens-after-liver-transplantation-longitudinal-assessment-of-renal-function-in-the-prospective-anrs-co23-cupilt-study
#1
R Anty, G Favre, A Coilly, E Rossignol, P Houssel-Debry, C Duvoux, V De Ledinghen, V Di Martino, V Leroy, S Radenne, N Kamar, V Canva, L D'Alteroche, F Durand, J Dumortier, P Lebray, C Besch, A Tran, C M Canivet, D Botta-Fridlund, H Montialoux, C Moreno, F Conti, C Silvain, P Perré, F Habersetzer, A Abergel, M Debette-Gratien, S Dharancy, V L M Esnault, C Fougerou-Leurent, C Cagnot, A Diallo, A Veislinger, H Danjou, D Samuel, G-P Pageaux, J-C Duclos-Vallée
BACKGROUND: In liver transplant recipients with hepatitis C virus recurrence, there is concern about renal safety of sofosbuvir-based regimens. Changes in serum creatinine or in the estimated glomerular filtration rate (eGFR) under treatment are used to look for possible renal toxicity. However, serum creatinine and eGFR are highly variable. AIM: To analyse renal function trajectory with numerous assays of serum creatinine over a long period of time. METHODS: In a multicentre cohort of 139 patients, the eGFR was obtained from serum creatinine using the Chronic Kidney Disease-Epidemiology Collaboration (CKD-EPI) equation...
April 17, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29662642/successful-retreatment-with-grazoprevir-and-elbasvir-for-patients-infected-with-hepatitis-c-virus-genotype-1b-who-discontinued-prior-treatment-with-ns5a-inhibitor-including-regimens-due-to-adverse-events
#2
Tatsuo Kanda, Shin Yasui, Masato Nakamura, Shingo Nakamoto, Koji Takahashi, Shuang Wu, Reina Sasaki, Yuki Haga, Sadahisa Ogasawara, Tomoko Saito, Kazufumi Kobayashi, Soichiro Kiyono, Yoshihiko Ooka, Eiichiro Suzuki, Tetsuhiro Chiba, Hitoshi Maruyama, Mitsuhiko Moriyama, Naoya Kato
Background: Sustained virologic response (SVR) by interferon and interferon-free treatment can results in the reduction of advanced liver fibrosis and the occurrence of hepatocellular carcinoma in patients infected with hepatitis C virus (HCV). Recent interferon-free treatment for HCV shortens the duration of treatment and leads to higher SVR rates, without any serious adverse events. However, it is important to retreat patients who have had treatment-failure with HCV non-structural protein 5A (NS5A) inhibitor-including regimens...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29661023/tak1-mediates-apoptosis-via-p38-involve-in-ischemia-induced-renal-fibrosis
#3
Jun Zhou, Jiying Zhong, Zhenxing Huang, Meijuan Liao, Sen Lin, Jia Chen, Hongtao Chen
Renal fibrosis is a common and characteristic symptom of chronic kidney disease (CKD). However, the molecular mechanisms of renal fibrosis remain elusive. Ischemia injury, as a major cause of AKI, deserves more attention in order to improve the knowledge of AKI-induced fibrosis. Transforming growth factor-β (TGF-β)-activated kinase 1 (TAK1) interacts directly with TGF-β, which play a critical role in the progression of fibrosis. Therefore, the present study aimed to investigate the role of TAK1 in the pathogenesis of ischemia-induced renal fibrosis...
April 16, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29660401/intravenous-fosfomycin-for-pulmonary-exacerbation-of-cystic-fibrosis-real-life-experience-of-a-large-adult-cf-centre
#4
G Spoletini, M Kennedy, L Flint, T Graham, C Etherington, N Shaw, P Whitaker, M Denton, I Clifton, D Peckham
BACKGROUND: The increased prevalence of multi-drug resistant strains of P.aeruginosa and allergic reactions among adult patients with cystic fibrosis (CF) limits the number of antibiotics available to treat pulmonary exacerbations. Fosfomycin, a unique broad spectrum bactericidal antibiotic, might offer an alternative therapeutic option in such cases. AIM: To describe the clinical efficacy, safety and tolerability of intravenous fosfomycin in combination with a second anti-pseudomonal antibiotic to treat pulmonary exacerbations in adult patients with CF...
April 13, 2018: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29656902/legumain-an-asparaginyl-endopeptidase-mediates-the-effect-of-m2-macrophages-on-attenuating-renal-interstitial-fibrosis-in-obstructive-nephropathy
#5
Dekun Wang, Min Xiong, Chuan'ai Chen, Lingfang Du, Ze Liu, Yuzhi Shi, Mianzhi Zhang, Junbo Gong, Xiangrong Song, Rong Xiang, Ergang Liu, Xiaoyue Tan
Two distinct macrophage phenotypes contribute to kidney injury and repair during the progression of renal interstitial fibrosis; proinflammatory (M1) and antiinflammatory (M2) macrophages. Legumain, an asparaginyl endopeptidase of the cysteine protease family, is overexpressed in macrophages in some pathological conditions. However, the macrophage subtype and function of macrophage-derived legumain remains unclear. To resolve this we tested whether M2 macrophages contribute to the accumulation of legumain in the unilateral ureteral obstruction model...
April 12, 2018: Kidney International
https://www.readbyqxmd.com/read/29656179/novel-reno-protective-mechanism-of-aspirin-involves-h2ak119-monoubiquitination-and-set7-in-preventing-type-1-diabetic-nephropathy
#6
Santosh Kumar Goru, Anil Bhanudas Gaikwad
BACKGROUND: Even after several novel therapeutic approaches, the number of people with diabetic nephropathy (DN) still continues to increase globally, this suggest to find novel therapeutic strategies to prevent it completely. Recent reports, are indicating the ubiquitin proteasome system alterations in DN. Recently, we also showed that, histone H2AK119 mono-ubiquitination (H2AK119-Ub) found to regulate Set7, a key epigenetic enzyme in the development of renal fibrosis under type 1 diabetic condition...
December 2, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29653105/cst3-and-gdf15-ameliorate-renal-fibrosis-by-inhibiting-fibroblast-growth-and-activation
#7
Young-Im Kim, Hyun-Woo Shin, Yang-Sook Chun, Jong-Wan Park
The final strategies to care patients with end-stage renal fibrosis rely on dialysis and kidney transplantation. Because such treatments are invasive and cause health problems eventually, it is necessary to develop new therapeutic strategies for delaying the disease progress. We here searched for cytokines showing an anti-fibrotic activity in cell-based experiments. Cystatin C (CST3) and Growth differentiation factor 15 (GDF15) were identified to have anti-fibrotic activities in a cytokine array screening. In primary fibroblasts isolated from the mouse kidneys subjected to ureteral obstruction-induced fibrosis, each cytokine induced apoptotic cell death and reduced collagen production...
April 13, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29652943/correction-human-adipose-derived-stem-cells-regress-fibrosis-in-a-chronic-renal-fibrotic-model-induced-by-adenine
#8
Juan José Rivera-Valdés, Jesus García-Bañuelos, Adriana Salazar-Montes, Leonel García-Benavides, Alfredo Dominguez-Rosales, Juan Armendáriz-Borunda, Ana Sandoval-Rodríguez
[This corrects the article DOI: 10.1371/journal.pone.0187907.].
2018: PloS One
https://www.readbyqxmd.com/read/29651290/anti-transforming-growth-factor-%C3%AE-igg-elicits-a-dual-effect-on-calcium-oxalate-crystallization-and-progressive-nephrocalcinosis-related-chronic-kidney-disease
#9
Stefanie Steiger, Julia Felicitas Grill, Qiuyue Ma, Tobias Bäuerle, Jutta Jordan, Michaela Smolle, Claudia Böhland, Maciej Lech, Hans-Joachim Anders
Crystallopathies are a heterogeneous group of diseases caused by intrinsic or environmental microparticles or crystals, promoting tissue inflammation and scarring. Certain proteins interfere with crystal formation and growth, e.g., with intrarenal calcium oxalate (CaOx) crystal formation, a common cause of kidney stone disease or nephrocalcinosis-related chronic kidney disease (CKD). We hypothesized that immunoglobulins can modulate CaOx microcrystal formation and crystal growth and that therefore, biological IgG-based drugs designed to specifically target disease modifying proteins would elicit a dual effect on the outcome of CaOx-related crystallopathies...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29650676/sodium-bicarbonate-loading-limits-tubular-cast-formation-independent-of-glomerular-injury-and-proteinuria-in-dahl-salt-sensitive-rats
#10
S C Ray, B Patel, D L Irsik, J Sun, H Ocasio, G R Crislip, C H Jin, J K Chen, B Baban, A J Polichnowski, P M O'Connor
Sodium bicarbonate (NaHCO3 ) slows the decline in kidney function in patients with chronic kidney disease (CKD), yet the mechanisms mediating this effect remain unclear. The Dahl salt-sensitive (SS) rat develops hypertension and progressive renal injury when fed a high salt diet; however, the effect of alkali loading on kidney injury has never been investigated in this model. We hypothesized that 'NaHCO3 protects from the development of renal injury in Dahl salt-sensitive rats via luminal alkalization which limits the formation of tubular casts, which are a prominent pathological feature in this model...
April 12, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29650267/virtual-touch-tissue-quantification-for-assessing-renal-pathology-in-idiopathic-nephrotic-syndrome
#11
Xue Yang, Ning Yu, Jing Yu, Hongqiao Wang, Xiumei Li
The aim of this study was to evaluate Virtual Touch tissue quantification in assessing renal interstitial fibrosis in patients with idiopathic nephrotic syndrome. Ninety patients with idiopathic nephrotic syndrome were assigned to mild, moderate and severe groups depending on the degree of renal interstitial fibrosis on histopathologic examination of renal biopsy specimens. Thirty healthy patients were also selected as the control group. Virtual Touch tissue quantification was performed to measure the shear wave velocity of the renal parenchyma...
April 9, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29649832/the-impact-of-preexisting-chronic-kidney-disease-on-the-severity-and-recovery-of-acute-kidney-injury
#12
Sung Yoon Lim, Yoon Sook Ko, Hee Young Lee, Ji Hyun Yang, Myung Gyu Kim, Sang Kyung Jo, Won Yong Cho
BACKGROUND: Recent observational studies have shown that in chronic kidney disease (CKD) patients, a significantly smaller percentage of patients with an episode of acute kidney injury (AKI) have full recovery of renal function compared to those without CKD. However, precise mechanisms involved in the incomplete repair after AKI with preexisting CKD have not been completely ascertained. Here, we assessed the impact of preexisting CKD on the severity and recovery of AKI in a mouse model of 5/6 nephrectomy...
April 12, 2018: Nephron
https://www.readbyqxmd.com/read/29648530/clinical-and-histological-features-of-antineutrophil-cytoplasmic-antibody-associated-vasculitis-related-to-antithyroid-drugs
#13
Jumpei Hasegawa, Junichi Hoshino, Akinari Sekine, Noriko Hayami, Tatsuya Suwabe, Keiichi Sumida, Koki Mise, Toshiharu Ueno, Masayuki Yamanouchi, Ryo Hazue, Naoki Sawa, Kenichi Ohashi, Takeshi Fujii, Kenmei Takaichi, Yoshifumi Ubara
BACKGROUND: Antithyroid drugs such as propylthiouracil and methimazole have been reported to cause antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), but little is known about long-term outcomes. MATERIALS AND METHODS: We identified AAV patients who underwent renal biopsy and retrospectively assessed their clinical and histological findings. Patients with AAV who had received propylthiouracil or methimazole were defined as having antithyroid drug-associated AAV (ATD-AAV), and the other patients were defined as having primary AAV...
April 12, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29644573/myeloid-specific-targeting-of-notch-ameliorates-murine-renal-fibrosis-via-reduced-infiltration-and-activation-of-bone-marrow-derived-macrophage
#14
Yali Jiang, Yuanyuan Wang, Pengfei Ma, Dongjie An, Junlong Zhao, Shiqian Liang, Yuchen Ye, Yingying Lu, Peng Zhang, Xiaowei Liu, Hua Han, Hongyan Qin
Macrophages play critical roles in renal fibrosis. However, macrophages exhibit ontogenic and functional heterogeneities, and which population of macrophages contributes to renal fibrosis and the underlying mechanisms remain unclear. In this study, we genetically targeted Notch signaling by disrupting the transcription factor recombination signal binding protein-Jκ (RBP-J), to reveal its role in regulation of macrophages during the unilateral ureteral obstruction (UUO)-induced murine renal fibrosis. Myeloid-specific disruption of RBP-J attenuated renal fibrosis with reduced extracellular matrix deposition and myofibroblast activation, as well as attenuated epithelial-mesenchymal transition, likely owing to the reduced expression of TGF-β...
April 11, 2018: Protein & Cell
https://www.readbyqxmd.com/read/29644061/interstitial-inflammation-and-interstitial-fibrosis-and-tubular-atrophy-predict-renal-survival-in-lupus-nephritis
#15
Parker C Wilson, Michael Kashgarian, Gilbert Moeckel
Background: This study examines the effect of interstitial inflammation and interstitial fibrosis and tubular atrophy on renal survival in lupus nephritis. Methods: Baseline characteristics, initial ( n = 301) and repeat biopsies ( n = 94) and clinical outcomes for patients with biopsy-proven lupus nephritis from 1998 to 2014 were retrospectively collected from the medical record. Clinical and morphologic variables were evaluated using a Cox proportional hazards model and multiple imputation to address missing data...
April 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29643536/-genetic-diagnosis-of-caroli-syndrome-with-autosomal-recessive-polycystic-kidney-disease-a-case-report-and-literature-review
#16
X Y Yang, L P Zhu, X Q Liu, C Y Zhang, Y Yao, Y Wu
This case report is about one genetically specified diagnosed infant case of Caroli syndrome with autosomal recessive polycystic kidney disease (ARPKD) in China. The patient in this case report was an eight-month infant boy with an atypical onset and the main clinical manifestation was non-symptomatic enlargement of the liver and kidneys. The imaging study demonstrated a diffused cystic dilatation of intrahepatic bile ducts as well as polycystic changes in bilateral kidneys. The basic blood biochemical tests indicated a normal hepatorenal function...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29643251/pharmacological-characterization-of-iw-1973-a-novel-soluble-guanylate-cyclase-stimulator-with-extensive-tissue-distribution-anti-hypertensive-anti-inflammatory-and-anti-fibrotic-effects-in-preclinical-models-of-disease
#17
Jenny V Tobin, Daniel P Zimmer, Courtney Shea, Peter Germano, Sylvie G Bernier, Guang Liu, Kim Long, Joy Miyashiro, Sheila Ranganath, Sarah Jacobson, Kim Tang, G-Yoon Jamie Im, James Sheppeck, Joel D Moore, Kristine Sykes, James Wakefield, Renee Sarno, Ali R Banijamali, Albert T Profy, G Todd Milne, Mark G Currie, Jaime L Masferrer
Soluble guanylate cyclase (sGC), a key signal-transduction enzyme, increases the conversion of guanosine-5'-triphosphate (GTP) to cyclic guanosine-3',5'-monophosphate (cGMP) upon binding of nitric oxide (NO). Endothelial dysfunction and/or reduced NO signaling have been implicated in cardiovascular disease pathogenesis and complications of diabetes, and have been associated with other disease states and aging. sGC stimulators are small-molecule drugs that bind sGC and enhance NO-mediated cGMP signaling. The pharmacological characterization of IW-1973, a novel clinical-stage sGC stimulator, is described...
April 11, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29643059/higher-collagen-vi-formation-is-associated-with-all-cause-mortality-in-patients-with-type-2-diabetes-and-microalbuminuria
#18
Daniel G K Rasmussen, Tine W Hansen, Bernt J von Scholten, Signe H Nielsen, Henrik Reinhard, Hans-Henrik Parving, Martin Tepel, Morten A Karsdal, Peter K Jacobsen, Federica Genovese, Peter Rossing
OBJECTIVE: Type 2 diabetes is a common risk factor for the development of chronic kidney disease (CKD). Enhanced de novo collagen type VI (COL VI) formation has been associated with renal fibrosis and CKD. We investigated the hypothesis that PRO-C6, a product specifically generated during COL VI formation, is prognostic for adverse outcomes in patients with type 2 diabetes and microalbuminuria. RESEARCH DESIGN AND METHODS: In a prospective, observational study, we measured PRO-C6 in serum ( S -PRO-C6) and urine (U-PRO-C6) of 198 patients with type 2 diabetes and microalbuminuria without symptoms of coronary artery disease...
April 11, 2018: Diabetes Care
https://www.readbyqxmd.com/read/29628899/editorial-advances-in-mechanisms-of-renal-fibrosis
#19
EDITORIAL
Hui Y Lan, David J Nikolic-Paterson
No abstract text is available yet for this article.
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29627834/effects-of-long-non-coding-rna-linc00963-on-renal-interstitial-fibrosis-and-oxidative-stress-of-rats-with-chronic-renal-failure-via-the-foxo-signaling-pathway
#20
Wen Chen, Lei Zhang, Zhong-Qi Zhou, Yue-Qin Ren, Li-Na Sun, Yu-Lin Man, Zhong-Wei Ma, Zhi-Kui Wang
BACKGROUND/AIMS: Chronic renal failure (CRF) is usually associated with chronic diseases such as congestive heart failure and diabetes mellitus, the prevalence of which is increased with age. This study is designed to investigate the role of long intergenic non-coding RNA (lincRNA) LINC00963 in renal interstitial fibrosis (RIF) and oxidative stress (OS) of CRF via the forkhead box O (FoxO) signaling pathway. METHODS: Microarray data and annotated probe files related to CRF were downloaded by retrieving Gene Expression Omnibus (GEO) database to screen differentially expressed lncRNA...
March 29, 2018: Cellular Physiology and Biochemistry
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