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Renoprotective

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https://www.readbyqxmd.com/read/27914707/adiponectin-alters-renal-calcium-and-phosphate-excretion-through-regulation-of-klotho-expression
#1
Joseph M Rutkowski, Johanne Pastor, Kai Sun, Sun K Park, I Alexandru Bobulescu, Christopher T Chen, Orson W Moe, Philipp E Scherer
The kidney controls systemic calcium and phosphate levels and disturbances of its control mechanisms can lead to a variety of diseases. The insulin-sensitizing adipokine adiponectin is renoprotective and accelerates functional recovery following renal injury. However, unlike other adipokines, adiponectin is reduced in obesity. High adiponectin levels are also correlated with bone loss, suggestive of an additional action in mineral metabolism. Using knockout, wild-type, and adiponectin-overexpressing transgenic mice, we sought to identify the mechanistic basis for adiponectin's ability to regulate calcium and phosphate balance at the level of the kidney...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27914705/pigment-epithelium-derived-factor-a-noninhibitory-serine-protease-inhibitor-is-renoprotective-by-inhibiting-the-wnt-pathway
#2
Xuemin He, Rui Cheng, Kyoungmin Park, Siribhinya Benyajati, Gennadiy Moiseyev, Chengyi Sun, Lorin E Olson, Yanhui Yang, Bonnie K Eby, Kai Lau, Jian-Xing Ma
Pigment epithelium-derived factor (PEDF) expression is downregulated in the kidneys of diabetic rats, and delivery of PEDF suppressed renal fibrotic factors in these animals. PEDF has multiple functions including anti-angiogenic, anti-inflammatory and antifibrotic activities. Since the mechanism underlying its antifibrotic effect remains unclear, we studied this in several murine models of renal disease. Renal PEDF levels were significantly reduced in genetic models of type 1 and type 2 diabetes (Akita and db/db, respectively), negatively correlating with Wnt signaling activity in the kidneys...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27913661/effects-of-exendin-4-on-the-intrarenal-renin-angiotensin-system-and-interstitial-fibrosis-in-unilateral-ureteral-obstruction-mice-exendin-4-and-unilateral-ureteral-obstruction
#3
Ying Le, Zongji Zheng, Junyu Xue, Mengling Cheng, Meiping Guan, Yaoming Xue
OBJECTIVE: The objective of this article is to investigate the renoprotecive effects of exendin-4 in a mouse model of unilateral ureteral obstruction (UUO) and explore the putative mechanisms. METHODS: Male Balbc mice underwent sham operation or UUO surgery, and then received intraperitoneal injection of vehicle or exendin-4, respectively. After 14 days, mice were sacrificed and the left kidneys were collected and analyzed by histology, immunohistochemistry, Western blot, quantitative real-time reverse transcription polymerase chain reaction, radioimmunoassay and enzyme-linked immunosorbent assay...
October 2016: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/27904663/t-type-calcium-channel-blocker-attenuates-unilateral-ureteral-obstruction-induced-renal-interstitial-fibrosis-by-activating-the-nrf2-antioxidant-pathway
#4
Sungjin Chung, Soojeong Kim, Minyoung Kim, Eun Sil Koh, Hye Eun Yoon, Ho-Shik Kim, Cheol Whee Park, Yoon Sik Chang, Seok Joon Shin
Besides its effect on high blood pressure, T-type calcium channel blocker is renoprotective in experimental models of renal fibrosis. However, the exact mechanism of T-type calcium channel blocker on tubulointerstitial fibrosis is unclear. We investigated whether the renoprotective effect of T-type calcium channel blocker is associated with modulation of the signaling of oxidative stress-induced renal fibrosis. Treatment with a non-hypotensive dose of efonidipine, a T-type calcium channel blocker, or nifedipine, an L-type channel blocker, was initiated one day before unilateral ureteral obstruction (UUO) in C57BL6/J mice, and was continued until 3 and 7 days after UUO...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904025/early-raas-blockade-exerts-renoprotective-effects-in-autosomal-recessive-alport-syndrome
#5
Nao Uchida, Naonori Kumagai, Kandai Nozu, Xue Jun Fu, Kazumoto Iijima, Yoshiaki Kondo, Shigeo Kure
Alport syndrome is a progressive renal disease caused by mutations in COL4A3, COL4A4, and COL4A5 genes that encode collagen type IV alpha 3, alpha 4, and alpha 5 chains, respectively. Because of abnormal collagen chain, glomerular basement membrane becomes fragile and most of the patients progress to end-stage renal disease in early adulthood. COL4A5 mutation causes X-linked form of Alport syndrome, and two mutations in either COL4A3 or COL4A4 causes an autosomal recessive Alport syndrome. Recently, renin-angiotensin-aldosterone system (RAAS) blockade has been shown to attenuate effectively disease progression in Alport syndrome...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27903993/effects-of-angiotensin-ii-receptor-blockade-on-soluble-klotho-and-oxidative-stress-in-calcineurin-inhibitor-nephrotoxicity-in-rats
#6
Sina Raeisi, Amir Ghorbanihaghjo, Hassan Argani, Siavoush Dastmalchi, Babollah Ghasemi, Teimour Ghazizadeh, Nadereh Rashtchizadeh, Mahboob Nemati, Mehran Mesgari Abbasi, Nasrin Bargahi, Ali Mota, Amir Mansour Vatankhah
INTRODUCTION: Calcineurin inhibitor nephrotoxicity is major problem after organ transplantation. It is multifactorial, but oxidative stress may have an important role in this process. It has been shown that angiotensin II receptor blockers have renoprotective effects but their molecular mechanism is largely unknown. Antioxidative effect is an important role of the recently known anti-aging protein, klotho. This study aimed to evaluate effect of valsartan in alleviation of cyclosporine A nephrotoxicity via a probable increase in serum klotho levels or decreasing oxidative stress...
November 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/27888584/small-molecule-inhibiting-nf-kb-ameliorates-oxidative-stress-and-suppresses-renal-inflammation-in-early-stage-of-alloxan-induced-diabetic-nephropathy-in-rat
#7
Manash P Borgohain, Mangala Lakhar, Sahabuddin Ahmed, Liakat Chowdhury, Saurabh Kumar, Rajat Pant, Abhinav Choubey
Diabetic nephropathy is one of the major microvascular complications of diabetes mellitus which ultimately gives rise to cardiovascular diseases. Oxidative stress produced by prolonged hyperglycaemia and chronic renal inflammation are the two key players in the development and progression of diabetic nephropathy. NF-kB-mediated inflammatory cascade is a strong contributor to the renovascular inflammation in diabetic nephropathy. Here, we studied the effects of piceatannol, a potent NF-kB inhibitor, on various oxidative stress markers and diabetic renal inflammatory pathway in rat induced by alloxan...
November 26, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27872860/danggui-buxue-tang-attenuates-tubulointerstitial-fibrosis-via-suppressing-nlrp3-inflammasome-in-a-rat-model-of-unilateral-ureteral-obstruction
#8
Linna Wang, Jiwei Ma, Cunxia Guo, Changyong Chen, Zhong Yin, Xueguang Zhang, Xiangmei Chen
Inflammation significantly contributes to the progression of chronic kidney disease (CKD). This study aimed to characterize Danggui Buxue Tang (DBT) renoprotection and relationship with NOD-like receptors family pyrin domain-containing 3 (NLRP3) inflammasome expression in rats with unilateral ureteral obstruction (UUO). Sprague-Dawley rats were subjected to UUO and randomly assigned to untreated UUO, enalapril-treated (10 mg/kg/day), and DBT-treated (9 g/kg/day) groups. Sham-operated rats served as controls, with 8 rats in each group...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27865951/renoprotective-effect-of-low-molecular-weight-sulfated-polysaccharide-from-the-seaweed-laminaria-japonica-on-glycerol-induced-acute-kidney-injury-in-rats
#9
Xinpeng Li, Jing Wang, Hong Zhang, Quanbin Zhang
We investigated the renal protective effect of low-molecular-weight sulfated polysaccharide (LMWSP) fractions extracted from Laminaria japonica on glycerol-induced acute kidney injury (AKI) in rats. Glycerol treatment significantly increased serum creatinine (SCr) and blood urea nitrogen (BUN) levels. Intraperitoneal injection of LMWSP fractions markedly decreased SCr and BUN levels and reduced renal swelling. The fraction of 1.0M NaCl displayed the best renal protective effect of all fractions in attenuating AKI and maintaining blood glucose...
November 16, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27857162/rescue-therapy-with-tanshinone-iia-hinders-transition-of-acute-kidney-injury-to-chronic-kidney-disease-via-targeting-gsk3%C3%AE
#10
Chunming Jiang, Wei Zhu, Xiang Yan, Qiuyuan Shao, Biao Xu, Miao Zhang, Rujun Gong
Acute kidney injury (AKI) remains challenging for clinical practice and poses a risk of developing progressive chronic kidney disease (CKD) with no definitive treatment available yet. Tanshinone IIA, an active ingredient of Chinese herbal Salvia miltiorrhiza, has been widely used in Asia for the remarkable organoprotective activities. Its effect on established AKI, however, remains unknown. In mice with folic acid-induced AKI, delayed treatment with Tanshinone IIA, commenced early or late after injury, diminished renal expression of kidney injury markers, reduced apoptosis and improved kidney dysfunction, concomitant with mitigated histologic signs of AKI to CKD transition, including interstitial fibrosis and tubular atrophy, and with an ameliorated inflammatory infiltration in tubulointerstitium and a favored M2-skewed macrophage polarization...
November 18, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27853675/the-effects-of-valsartan-on-renal-glutathione-peroxidase-expression-in-alleviation-of-cyclosporine-nephrotoxicity-in-rats
#11
Sina Raeisi, Amir Ghorbanihaghjo, Hassan Argani, Siavoush Dastmalchi, Babollah Ghasemi, Teimour Ghazizadeh, Nadereh Rashtchizadeh, Mehran Mesgari Abbasi, Nasrin Bargahi, Mahboob Nemati, Ali Mota, Amir Mansour Vatankhah
Introduction: Nephrotoxicity as a side effect caused by the immunosuppressive drug, cyclosporine-A (CsA), can be a major problem in transplant medicine. Oxidative stress may play an important role in the CsA-induced nephrotoxicity. It has been shown that the antihypertensive drug, valsartan (Val), has also renoprotective effects but, its molecular mechanism is largely unknown. In the present study, it was aimed to evaluate the Val effect in the alleviation of CsA nephrotoxicity via probable renal glutathione peroxidase (GPx) upregulation and oxidative stress decrease...
2016: BioImpacts: BI
https://www.readbyqxmd.com/read/27853065/comparison-of-the-renoprotective-effect-of-febuxostat-for-the-treatment-of-hyperuricemia-between-patients-with-and-without-type-2-diabetes-mellitus-a-retrospective-observational-study
#12
Hiroyuki Ito, Shinichi Antoku, Mariko Abe, Takashi Omoto, Masahiro Shinozaki, Shinya Nishio, Mizuo Mifune, Michiko Togane, Masaya Nakata, Tatsuya Yamashita
Objective The effects of febuxostat therapy on hyperuricemia in patients with and without type 2 diabetes were compared in this retrospective observational study after pair-matching using the propensity scores. Methods In total, 160 patients with hyperuricemia were studied as the treated set, and the 155 subjects in whom the administration of febuxostat was not discontinued during the observation period were investigated in the full analysis. The study subjects were divided into two groups based on the style of initiation of febuxostat: initial and switching therapy from allopurinol administration...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27832180/cordyceps-militaris-treatment-preserves-renal-function-in-type-2-diabetic-nephropathy-mice
#13
Sung-Hsun Yu, Navneet Kumar Dubey, Wei-Shan Li, Ming-Che Liu, Han-Sun Chiang, Sy-Jye Leu, Ying-Hua Shieh, Feng-Chou Tsai, Win-Ping Deng
Diabetic nephropathy is derived from long-term effects of high blood glucose on kidney function in type 2 diabetic patients. Several antidiabetic drugs and herbal medications have failed to prevent episodes of DN. Hence, this study aimed to further investigate the renal injury-reducing effect of antidiabetic CmNo1, a novel combination of powders of fruiting bodies and mycelia of Cordyceps militaris. After being administered with streptozotocin-nicotinamide and high-fat-diet, the diabetic nephropathy mouse model displayed elevated blood glucose and renal dysfunction markers including serum creatinine and kidney-to-body weight ratio...
2016: PloS One
https://www.readbyqxmd.com/read/27830181/the-role-of-activin-a-and-b-and-the-benefit-of-follistatin-treatment-in-renal-ischemia-reperfusion-injury-in-mice
#14
Doreen Y P Fang, Bo Lu, Susan Hayward, David M de Kretser, Peter J Cowan, Karen M Dwyer
BACKGROUND: Activins, members of the TGF-β superfamily, are key drivers of inflammation and are thought to play a significant role in ischemia-reperfusion injury (IRI), a process inherent to renal transplantation that negatively impacts early and late allograft function. Follistatin (FS) is a protein that binds activin and inhibits its activity. This study examined the response of activin A and B in mice after renal IRI and the effect of exogenous FS in modulating the severity of renal injury...
July 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27829958/antioxidant-and-renoprotective-effects-of-mushroom-extract-implication-in-prevention-of-nephrolithiasis
#15
Ariel Schulman, Matthew Chaimowitz, Muhammad Choudhury, Majid Eshghi, Sensuke Konno
BACKGROUND: The pathogenesis of nephrolithiasis (kidney stone) remains elusive, while several therapeutic options are available but not effective as we expected. Accumulating data yet suggest that oxidative stress (generation of oxygen free radicals) may play a primary role in its occurrence. Particularly, calcium oxalate (CaOx) is a key element in the most common form (> 75%) of kidney stones, and its crystal form known as CaOx monohydrate (COM) has been shown to exert oxidative stress, facilitating CaOx stone formation...
December 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27829948/increased-hematocrit-during-sodium-glucose-cotransporter-2-inhibitor-therapy-indicates-recovery-of-tubulointerstitial-function-in-diabetic-kidneys
#16
REVIEW
Motoaki Sano, Makoto Takei, Yasuyuki Shiraishi, Yoshihiko Suzuki
Sodium-glucose cotransporter 2 (SGLT2) inhibitors have been attracting attention for cardiovascular as well as antidiabetic effects since the results of the Empagliflozin Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients (EMPA-REG OUTCOME Trial) were reported. The hematocrit increases during treatment with SGLT2 inhibitors, which have a diuretic effect but do not cause sufficient hemoconcentration to increase the risk of cerebral infarction. Elevation of the hematocrit during SGLT2 inhibitor therapy is presumed to involve enhancement of erythropoiesis in addition to hemoconcentration...
December 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27825756/carvacrol-attenuates-acute-kidney-injury-induced-by-cisplatin-through-suppression-of-erk-and-pi3k-akt-activation
#17
Iva Potočnjak, Robert Domitrović
We investigated the mechanisms of renoprotective effects of carvacrol, a monoterpenoid compound, against cisplatin (CP)-induced kidney injury. Male BALB/cN mice were orally administered 1, 3, and 10 mg carvacrol/kg body weight for two days, 48 h after intraperitoneal injection of CP (13 mg/kg). Four days after CP administration, renal oxidative stress was evidenced by increased expression of 4-hydroxynonenal (4-HNE), 3-nitrotyrosine (3-NT), cytochrome P450 E1 (CYP2E1), and heme oxygenase-1 (HO-1). CP treatment increased the expression of phosphorylated nuclear factor-kappaB (p-NF-κB) p65 and tumor necrosis factor-alpha (TNF-α) in kidneys, suggesting inflammatory response...
November 4, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27820706/dipeptidyl-peptidase-4-inhibition-and-renoprotection-the-role-of-antifibrotic-effects
#18
Yuta Takagaki, Daisuke Koya, Keizo Kanasaki
PURPOSE OF REVIEW: This article analyzes the potential beneficial effects of dipeptidyl peptidase (DPP)-4 inhibitors on renal diseases. RECENT FINDINGS: The pathological significance of DPP-4, either dependent or independent on catalytic activities, on renal diseases has been reported in preclinical studies. With regard to this, we have shown that damaged endothelial cells are converted to a mesenchymal cell phenotype, which is associated with the induction of DPP-4 in endothelial cells...
January 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27811558/renal-protection-in-the-21st-century
#19
Melanie Meersch, Alexander Zarbock
PURPOSE OF REVIEW: Among critically ill patients, acute kidney injury (AKI) is still a common and serious complication with a tremendous impact on short-term and long-term outcomes. The objective of this review is to discuss strategies for renal protection and prevention of AKI in ICU patients. RECENT FINDINGS: It is fundamental to identify patients at risk for AKI as soon as possible and as accurately as possible. In order to achieve these goals, translational approaches implementing new biomarkers have shown promising results...
December 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27810298/corrigendum-to-renoprotection-by-remote-ischemic-conditioning-during-elective-coronary-revascularization-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials-int-j-cardiol-2016-nov-1-222-295-302-pmid-27498373
#20
C Zhou, Y Jeon, P Meybohm, A Zarbock, L Li, D J Hausenloy
No abstract text is available yet for this article.
October 31, 2016: International Journal of Cardiology
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