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Mechanisms renal damage diabetes

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https://www.readbyqxmd.com/read/28648975/effect-of-extract-of-pueraria-tuberosa-on-expression-of-hypoxia-inducible-factor-1%C3%AE-and-vascular-endothelial-growth-factor-in-kidney-of-diabetic-rats
#1
Rashmi Shukla, Nidhi Pandey, Somanshu Banerjee, Yamini B Tripathi
BACKGROUNDS: Kidney hypoxia represents a unifying mechanism in the pathogenesis of diabetic nephropathy. Hypoxia-induced factor (HIF)-1α mediates the metabolic responses of renal hypoxia by modulating the expression of VEGF. In the present study, we investigated the effect of Pueraria tuberosa extract (PTY-2r) on the expression of HIF-1α, VEGF and nephrin in streptozotocin (STZ) induced diabetic nephropathy (DN). METHODS: The model of diabetic nephropathy (DN) was produced by intraperitoneal injection of 55mg/kg of STZ and maintained for 60days...
June 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28643849/prevalence-of-exposure-of-heavy-metals-and-their-impact-on-health-consequences
#2
Kanwal Rehman, Fiza Fatima, Iqra Waheed, Muhammad Sajid Hamid Akash
Even in the current era of growing technology, the concentration of heavy metals present in drinking water is still not within the recommended limits as set by the regulatory authorities in different countries of the world. Drinking water contaminated with heavy metals namely; arsenic, cadmium, nickel, chromium, mercury, chromium, zinc and lead is becoming a major health concern for public and health care professionals. Occupational exposure to heavy metals is known to occur by the utilization of these metals in various industrial processes and/or contents including color pigments and alloys...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28642201/combination-of-coenzyme-q10-loaded-liposomes-with-ultrasound-targeted-microbubbles-destruction-utmd-for-early-theranostics-of-diabetic-nephropathy
#3
Ting Yue, He-Lin Xu, Pian-Pian Chen, Lei Zheng, Qun Huang, Wen-Shuang Sheng, Yuan-Di Zhuang, Li-Zhuo Jiao, Ting-Ting Chi, De-Li ZhuGe, Jin-Jin Liu, Ying-Zheng Zhao, Li Lan
Diabetic nephropathy (DN) is one of the most common and lethal microvascular complications of diabetes. This study aimed to explore whether coenzymeQ10 (CoQ10) as an antioxidant combined with ultrasound-targeted microbubble destruction (UTMD) could reverse the progress of early diabetic nephropathy (DN). CoQ10 has great potential to treat early DN. However, the clinical application of CoQ10 has been limited because of its low aqueous solubility and non-specific distribution. Therefore, CoQ10-loaded liposomes (CoQ10-lip) were prepared and combined with ultrasound microbubbles for the early theranostics of DN...
June 19, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28633927/dencichine-ameliorates-kidney-injury-in-induced-type-ii-diabetic-nephropathy-via-the-tgf-%C3%AE-smad-signalling-pathway
#4
Li Jie, Qiu Pengcheng, He Qiaoyan, Bi Linlin, Zhang Meng, Wang Fang, Jia Min, Yan Li, Zhang Ya, Yang Qian, Wang Siwang
Diabetic nephropathy (DN), a common complication associated with both type I and type II diabetes mellitus (DM), is a major cause of chronic nephropathy and a common cause of end-stage renal diseases (ESRD) throughout the world. This study is aimed to determine whether dencichine (De) can ameliorate renal damage in high-glucose-and-fat diet combined STZ (streptozocin) induced DN in type II DM rats and to investigate the potential underlying mechanisms. Markers of metabolism, diabetes, and renal function, and levels of extracellular matrix (ECM) collagen I (Col I), collagen IV (Col IV), fibronectin (FN) and laminin (LN), and of proteins in the TGF-β/Smad pathway were analysed through RT-PCR, western blot, immunofluorescence and immunohistochemistry...
June 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28624831/chelerythrine-attenuates-renal-ischemia-reperfusion-induced-myocardial-injury-by-activating-cse-h2s-via-pkc-nf-%C3%AE%C2%BAb-pathway-in-diabetic-rats
#5
Bo Hu, Guangtao Xu, Yongxia Zheng, Fei Tong, Ping Qian, Xiaoyan Pan, Xinmei Zhou, Ruilin Shen
BACKGROUND/AIMS: Chelerythrine (CHE), a benzophenanthridine alkaloid, is a potent, selective, and cell-permeable protein kinase C (PKC) inhibitor. The purpose of the present study was to evaluate the effect of CHE on myocardial recovery after renal ischemia/reperfusion (I/R)-induced myocardial injury (RI/RMI) in a streptozocin (STZ)-induced diabetic rat model. METHODS: Diabetes mellitus (DM) rats preconditioned with CHE and D, L-propargylglycine (PAG) were subjected to renal I/R...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28624830/activation-of-nrf2-ho-1-pathway-by-glycogen-synthase-kinase-3%C3%AE-inhibition-attenuates-renal-ischemia-reperfusion-injury-in-diabetic-rats
#6
Xiaohua Shen, Bo Hu, Guangtao Xu, Fengjuan Chen, Ruifen Ma, Nenghua Zhang, Jie Liu, Xiaoqin Ma, Jia Zhu, Yuhong Wu, Ruilin Shen
BACKGROUND/AIMS: Diabetes mellitus can exacerbate renal ischemia-reperfusion (I/R) injury (RI/RI). The aim of the present study was to evaluate the protective effect of GSK-3β inhibition (TDZD-8) on I/R-induced renal injury through the Nrf2/HO-1 pathway in a streptozocin (STZ)-induced diabetic rat model. METHODS: STZ-induced diabetic rats preconditioned with TDZD-8 and ZnPP were subjected to renal I/R. The extent of renal morphologic lesions. Renal function was assessed from blood urea nitrogen (BUN) and serum creatinine (Scr), as determined utlizing commercial kits...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28594240/dimethylarginine-dimethylaminohydrolase-1-deficiency-induces-the-epithelial-to-mesenchymal-transition-in-renal-proximal-tubular-epithelial-cells-and-exacerbates-kidney-damage-in-aged-and-diabetic-mice
#7
Linlin Shi, Chenyang Zhao, Hongyun Wang, Tong Lei, Shasha Liu, Jianwei Cao, Zhongbing Lu
AIMS: Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, is mainly degraded by dimethylarginine dimethylaminohydrolase (DDAH). Emerging evidence suggests that plasma ADMA accumulation and DDAH1 activity/expression reduction are linked to chronic kidney disease (CKD) pathology, but the mechanisms remain largely unknown. Here, we examined the role of ADMA/DDAH1 in the epithelial-mesenchymal transition (EMT) of tubular epithelial cells (TECs), an important mechanism for the pathogenesis of renal fibrosis...
June 8, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28593900/phellinus-rimosus-improves-mitochondrial-energy-status-and-attenuates-nephrotoxicity-in-diabetic-rats
#8
K A Rony, T A Ajith, Tony A Kuttikadan, R Blaze, K K Janardhanan
BACKGROUND: Mitochondrial dysfunction and increase in reactive oxygen species during diabetes can lead to pathological consequences in kidneys. The present study was aimed to investigate the effect of Phellinus rimosus in the streptozotocin (STZ)-induced diabetic rat renal mitochondria and the possible mechanism of protection. METHODS: Phellinus rimosus (50 and 250 mg/kg, p.o) was treated after inducing diabetes by STZ (45 mg/kg, i.p) in rats. The serum samples were subjected to creatinine and urea estimation...
April 7, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28588189/metabolic-injury-induced-nlrp3-inflammasome-activation-dampens-phospholipid-degradation
#9
Elena Rampanelli, Evelyn Orsó, Peter Ochodnicky, Gerhard Liebisch, Pieter J Bakker, Nike Claessen, Loes M Butter, Marius A van den Bergh Weerman, Sandrine Florquin, Gerd Schmitz, Jaklien C Leemans
The collateral effects of obesity/metabolic syndrome include inflammation and renal function decline. As renal disease in obesity can occur independently of hypertension and diabetes, other yet undefined causal pathological pathways must be present. Our study elucidate novel pathological pathways of metabolic renal injury through LDL-induced lipotoxicity and metainflammation. Our in vitro and in vivo analysis revealed a direct lipotoxic effect of metabolic overloading on tubular renal cells through a multifaceted mechanism that includes intralysosomal lipid amassing, lysosomal dysfunction, oxidative stress, and tubular dysfunction...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28543864/modulation-of-heme-oxygenase-1-expression-and-activity-affects-streptozotocin-induced-diabetic-nephropathy-in-rats
#10
Marwa A M Ali, Gehan H Heeba, Azza A K El-Sheikh
Heme oxygenase (HO)-1 has exhibited nephro-protective actions in different animal models; however, its full mechanistic potential in diabetic nephropathy (DN) has not yet been elucidated. Hence, the present study has been undertaken by inducing DN in rats using streptozotocin (50mg/kg i.p.), with or without either HO-1 inducer; hemin (HM; 40 μmol/kg, s.c.), or HO-1 blocker; zinc protoporphyrin-IX (ZnPP; 50 μmol/kg, i.p.), for one month. Compared to control, rats with DN suffered from hyperglycemia and hyperlipidemia, with signs of renal damage, as assessed by distortion in renal histopathological architecture and kidney function...
May 23, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28496544/hemodynamic-effects-of-sodium-glucose-cotransporter-2-inhibitors
#11
REVIEW
Motoaki Sano
It is widely accepted that obesity and type 2 diabetes mellitus (T2DM) increase the risk of heart failure (HF) independently of underlying coronary artery disease. The changes in myocardial structure or function associated with diabetes have been termed diabetic cardiomyopathy. Corresponding to changes in the risk factors for HF, an epidemiologic transition is underway from HF with a reduced ejection fraction to HF with a preserved ejection fraction. Hyperglycemia can damage the myocardium, even before diagnosis of diabetes, but intensive glycemic control has no impact on the risk of HF in patients with T2DM...
June 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28490695/-effect-of-hydrogen-sulfide-on-inducible-nitric-oxide-synthase-in-kidneys-of-type-1-diabetic-rats
#12
Rui Yang, Qiang Jia, Shanfeng Ma, Shujun Cui, Xiaofen Liu, Yuanyuan Wang, Qin Gao
To investigate effects of hydrogen sulfide (H2S) on inducible nitric oxide synthase (iNOS) in kidneys of Type 1 diabetic rats.
 Methods: Thirty-two male SD rats were randomly divided into four groups: A normal control (NC) group, a diabetes mellitus (DM) group, a NaHS (NaHS+DM) group, and a NaHS control (NaHS) group (n=8 per group). Type 1 diabetes was induced by a single intraperitoneal injection of streptozotocin (55 mg/kg). After successful establishment of models, the rats in NaHS+DM and NaHS groups were injected with NaHS solution (56 μmol/kg) intraperitoneally...
April 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28489752/enteric-hyperoxaluria-in-chronic-pancreatitis
#13
Nathalie Demoulin, Zaina Issa, Ralph Crott, Johann Morelle, Etienne Danse, Pierre Wallemacq, Michel Jadoul, Pierre H Deprez
Chronic pancreatitis may lead to steatorrhea, enteric hyperoxaluria, and kidney damage. However, the prevalence and determinants of hyperoxaluria in chronic pancreatitis patients as well as its association with renal function decline have not been investigated.We performed an observational study. Urine oxalate to creatinine ratio was assessed on 2 independent random urine samples in consecutive adult patients with chronic pancreatitis followed at the outpatient clinic from March 1 to October 31, 2012. Baseline characteristics and annual estimated glomerular filtration rate (eGFR) change during follow-up were compared between patients with hyper- and normo-oxaluria...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28457936/epigallocatechin-gallate-upregulates-nrf2-to-prevent-diabetic-nephropathy-via-disabling-keap1
#14
Weixia Sun, Xiuxia Liu, Haifeng Zhang, Yanyan Song, Tie Li, Xiaona Liu, Yanze Liu, Le Guo, Fuchun Wang, Ting Yang, Weiying Guo, Junduo Wu, Hang Jin, Hao Wu
Epigallocatechin gallate (EGCG) is the most abundant and effective green tea catechin and has been reported to attenuate diabetic nephropathy (DN). However, the mechanism by which EGCG ameliorates DN, till now, has remained unclear. EGCG is known as a potent activator of nuclear factor erythroid 2-related factor 2 (NRF2), which plays a key role in cellular defense against diabetes-induced oxidative stress and in the prevention of DN. In the present study, we tested whether NRF2 is required for EGCG protection against DN...
April 27, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28404888/ecto-5-nucleotidase-cd73-is-a-biomarker-for-clear-cell-renal-carcinoma-stem-like-cells
#15
Lei Song, Wenling Ye, Yong Cui, Jianzhong Lu, Yanan Zhang, Nan Ding, Wentao Hu, Hailong Pei, Zhongjin Yue, Guangming Zhou
Identification of a specific biomarker for cancer stem cells (CSCs) is of potential applications in the development of effective therapeutic strategies for renal cell carcinoma (RCC). In this study, both the RCC cell line 786-O and surgically removed clear cell RCC (ccRCC) tissues were implemented to grew as spheroids in serum-free medium supplemented with mitogens. This subpopulation possessed key characteristics defining CSCs. We also identified that surgically removed ccRCC tissues were heterogenic and there was a subpopulation of cells that was highly stained with rhodamine-123...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404881/tanshinone-iia-attenuates-renal-damage-in-stz-induced-diabetic-rats-via-inhibiting-oxidative-stress-and-inflammation
#16
Xia Chen, Rui Wu, Yiwei Kong, Yuting Yang, Yu Gao, Dandan Sun, Qizhen Liu, Dongjun Dai, Zeyuan Lu, Niansong Wang, Sheng Ge, Feng Wang
Oxidative stress and inflammation have been demonstrated to be involved in the onset and promotion of diabetic nephropathy (DN).Tanshinone IIA (Tan) possesses both antioxidant and anti-inflammatory properties. Here, the aim of the present study was to explore whether Tan could attenuate renal damage in the rats with streptozotocin (STZ)-induced diabetes and its potential mechanisms. Tan was gavaged to STZ-induced diabetic rats at the dose of 10mg/kg once a day for 12 weeks. Tan treatment significantly attenuated albuminuria and renal histopathology in diabetic rats...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400537/yap-mediated-mechanotransduction-determines-the-podocyte-s-response-to-damage
#17
Markus M Rinschen, Florian Grahammer, Ann-Kathrin Hoppe, Priyanka Kohli, Henning Hagmann, Oliver Kretz, Sabine Bertsch, Martin Höhne, Heike Göbel, Malte P Bartram, Rajesh Kumar Gandhirajan, Marcus Krüger, Paul-Thomas Brinkkoetter, Tobias B Huber, Martin Kann, Sara A Wickström, Thomas Benzing, Bernhard Schermer
Podocytes are terminally differentiated cells of the kidney filtration barrier. They are subjected to physiological filtration pressure and considerable mechanical strain, which can be further increased in various kidney diseases. When injury causes cytoskeletal reorganization and morphological alterations of these cells, the filtration barrier may become compromised and allow proteins to leak into the urine (a condition called proteinuria). Using time-resolved proteomics, we showed that podocyte injury stimulated the activity of the transcriptional coactivator YAP and the expression of YAP target genes in a rat model of glomerular disease before the development of proteinuria...
April 11, 2017: Science Signaling
https://www.readbyqxmd.com/read/28301595/mir-146a-regulates-glucose-induced-upregulation-of-inflammatory-cytokines-extracellular-matrix-proteins-in-the-retina-and-kidney-in-diabetes
#18
Shali Chen, Biao Feng, Anu Alice Thomas, Subrata Chakrabarti
Hyperglycemic damage to the endothelial cells (ECs) leads to increased synthesis of inflammatory cytokines. We have previously shown miR-146a downregulation in ECs and in the tissues of diabetic mice. Here we investigated the role of miR-146a, in the production of specific inflammatory cytokines and extracellular matrix (ECM) proteins in retina and kidneys in diabetes. We generated an endothelial specific miR-146a overexpressing transgenic mice (TG). We investigated these mice and wild type (WT) controls with or without streptozotocin (STZ) induced diabetes...
2017: PloS One
https://www.readbyqxmd.com/read/28290898/-renoprotecion-with-metabolic-syndrome-the-possibility-of-receptor-agonist-imidazoline-moxonidine
#19
O D Ostroumova, A A Zykova
The article is devoted to the of prevalence, diagnosis, and prognostic significance of renal damage in metabolic syndrome. The pathogenetic mechanisms of development and progression of chronic kidney disease in individuals with obesity, including the role of increased activity of the sympathetic nervous system is discussed. Approaches to the choice of antihypertensive drugs with an emphasis on metabolic and renal protection properties are given. The advantages of imidazoline receptors in neuroprotective of moxonidine in patients with arterial hypertension, metabolic syndrome, and diabetes mellitus is discussed in detail...
October 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289965/novel-insights-into-the-pathophysiology-and-clinical-aspects-of-diabetic-nephropathy
#20
REVIEW
Zubair Ilyas, Joumana T Chaiban, Armand Krikorian
Diabetic nephropathy (DN) is a well-described complication of diabetes mellitus and the leading cause of end stage renal disease (ESRD). Although increased albuminuria has been the gold standard for screening, data suggests that renal damage starts long before the onset of clinically apparent increases in macro and even micro-albuminuria. Clinical practice guidelines for the prevention of DN have been traditionally focused on the control of serum glucose, blood pressure and dyslipidemia, with some focus on the renin-angiotensin-aldosterone system (RAAS) as a main target for successful therapy...
March 2017: Reviews in Endocrine & Metabolic Disorders
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