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Inflammation diabetic nephropathy

Huei-Fen Jheng, Motohiko Hirotsuka, Tsuyoshi Goto, Masayuki Shibata, Yasuki Matsumura, Teruo Kawada
SCOPE: Diabetic nephropathy (DN) is a major cause of end-stage renal disease. Here, we examined the effect of long-term consumption of a low-fat soy milk powder (LFSMP) on the diabetic kidney structure and function. METHODS AND RESULTS: KKAy mice were fed a casein- LFSMP-or high-fat soy mixture powder (HFSMP)-based diet for 4 months. Plasma and urine were subjected to a biochemical assay every 2-4 weeks. Renal morphology and protein expression were evaluated by histochemical staining and western blots...
October 17, 2016: Molecular Nutrition & Food Research
E L Wu, H X Cui
The prevention and treatment of type-2 diabetes mellitus (T2DM) and diabetic nephropathy (DN), which are disorders with high incidence rates, is of primary importance. In this study, we analyzed the effect of 1,25-(OH)2D3 and lipopolysaccharide (LPS) in combination with interleukin (IL)-15 on the inflammatory immune response and expression of vitamin D receptor (VDR) in mononuclear cells of T2DM and DN uremia (DNU) patients. The human acute monocytic leukemia cell line THP-1 was treated with peripheral blood serum isolated from 30 healthy controls and T2DM and DNU patients each, cultured in the presence or absence of 1,25-(OH)2D3, and subsequently treated with LPS and IL-15...
August 29, 2016: Genetics and Molecular Research: GMR
Fang Yuan, Ryan Kolb, Gaurav Pandey, Wei Li, Lin Sun, Fuyou Liu, Fayyaz S Sutterwala, Yinghong Liu, Weizhou Zhang
Diabetic nephropathy (DN) is the leading cause of end-stage kidney disease worldwide but current treatments remain suboptimal. The role of inflammation in DN has only recently been recognized. It has been shown that the NLRP3-inflammasome contributes to DN development by inducing interleukin (IL)-1β processing and secretion. In an effort to understand other IL-1β activating mechanism during DN development, we examined the role of the NLRC4-inflammasome in DN and found that NLRC4 is a parallel mechanism, in addition to the NLRP3-inflammasome, to induce pro-IL-1β processing and activation...
2016: PloS One
Anuradha Pandey, Santosh Kumar Goru, Almesh Kadakol, Vajir Malek, Nisha Sharma, Anil Bhanudas Gaikwad
Monocyte chemoattractant protein (MCP-1) and transforming growth factor-β (TGF-β1)-markers of inflammation and fibrosis, are central to type 2 diabetic nephropathy (T2DN) progression. ow H2AK119Ub affects the expression of MCP-1 and TGF-β1 and their regulation by Angiotensin II receptor subtypes remains unknown. In the current study, we aimed to study the effect of Angiotensin II receptors' blockade on the macrophage infiltration and histone modifications occurring at the promoter region of Mcp1 and Tgfb1in high fat diet fed and low dose streptozotocin treated male Wistar rats...
September 27, 2016: Biochimie
Xuezhong Zhao, Fengsheng Li, Wanqing Sun, Ling Gao, Ki Soo Kim, Kyoung Tae Kim, Lu Cai, Zhiguo Zhang, Yang Zheng
Diabetic complications are the major cause of mortality for the patients with diabetes. Oxidative stress and inflammation have been recognized as important contributors for the development of many diabetic complications, such as diabetic nephropathy, hepatopathy, cardiomyopathy, and other cardiovascular diseases. Several studies have established the anti-inflammatory and oxidative roles of bioactive constituents in Magnolia bark, which has been widely used in the traditional herbal medicines in Chinese society...
2016: International Journal of Molecular Sciences
Juan Chen, Xue-Feng Hou, Gang Wang, Qing-Xiang Zhong, Ying Liu, Hui-Hui Qiu, Nan Yang, Jun-Fei Gu, Chun-Fei Wang, Li Zhang, Jie Song, Lu-Qi Huang, Xiao-Bin Jia, Ming-Hua Zhang, Liang Feng
ETHNOPHARMACOLOGICAL RELEVANCE: Multiple lines of evidences have suggested that endoplasmic reticulum (ER) stress-related inflammatory responses play a critical role in the pathogenesis of diabetic nephropathy (DN). Moutan Cortex (MC), the root bark of Paeonia suffruticosa Andr., is a well-known traditional Chinese medicine (TCM), which has been used clinically for treating inflammatory diseases in China. The findings from our previous research suggested that terpene glycoside (TG) component of MC possessed favorable anti-inflammatory properties in curing DN...
September 21, 2016: Journal of Ethnopharmacology
Xiangjun Li, Chaoyuan Li, Xiaoxia Li, Peihe Cui, Qifeng Li, Qiaoyan Guo, Hongbo Han, Shujun Liu, Guangdong Sun
Diabetic nephropathy (DN), a common complication associated with type 1 and type 2 diabetes mellitus (DM), characterized by glomerular mesangial expansion, inflammation, accumulation of extracellular matrix (ECM) protein, and hypertrophy, is the major cause of end-stage renal disease (ESRD). Increasing evidence suggested that p21-dependent glomerular and mesangial cell (MC) hypertrophy play key roles in the pathogenesis of DN. Recently, posttranscriptional modifications (PTMs) have uncovered novel molecular mechanisms involved in DN...
2016: Journal of Diabetes Research
Fereshteh Bahmani, Mahsa Kia, Alireza Soleimani, Ali Akbar Mohammadi, Zatollah Asemi
This study was carried out to assess the effects of Se supplementation on biomarkers of inflammation and oxidative stress in patients with diabetic nephropathy (DN). This randomised, double-blind, placebo-controlled clinical trial was conducted among sixty patients with DN. Patients were randomly divided into two groups to take either 200 µg/d Se supplements as Se yeast (n 30) or placebo (n 30) for 12 weeks. In unadjusted analyses, compared with the placebo, Se supplementation led to a significant reduction in high-sensitivity C-reactive protein (hs-CRP) (-1069·2 (sd 1752·2) v...
October 2016: British Journal of Nutrition
Shokei Kim-Mitsuyama
There is accumulating evidence that RAS inhibitors not only reduce blood pressure, but also exert pleiotropic effects, including a renoprotective effect, amelioration of insulin resistance, reduction in onset of diabetes, and suppression of cardiovascular remodelling,. However, the definite benefit of RAS inhibition in treatment of hypertension with CKD or DM is not conclusive. We previously performed the OlmeSartan and Calcium Antagonists Randomized (OSCAR) study comparing the preventive effect of high-dose ARB therapy versus ARB plus CCB combination therapy on cardiovascular morbidity and mortality in 1164 Japanese elderly hypertensive patients with baseline type 2 diabetes and/or CVD (Am J Med (2012))...
September 2016: Journal of Hypertension
Feng Liu, Ming Zong, Xiaofei Wen, Xuezhu Li, Jun Wang, Yi Wang, Wei Jiang, Xiaojun Li, Zhongliang Guo, Hualin Qi
Podocyte dysfunction is important in the onset and development of diabetic nephropathy (DN). Histone deacetylases (HDACs) have been recently proved to play critical roles in the pathogenesis of DN. As one subtype of the class IIa HDACs, HDAC9 is capable to repress/de-repress their target genes in tumor, inflammation, atherosclerosis and metabolic diseases. In the present study, we investigate whether HDAC9 is involved in the pathophysiologic process of DN, especially the podocyte injury. Firstly, we explored the expression patterns and localization of HDAC9 and found that HDAC9 expression was significantly up-regulated in high glucose (HG)-treated mouse podocytes, as well as kidney tissues from diabetic db/db mice and patients with DN...
2016: Scientific Reports
Shuhua Lin, Jian Teng, Jixia Li, Fang Sun, Dong Yuan, Jing Chang
BACKGROUND Diabetic nephropathy (DN) is a common complication of diabetes, caused by diabetic microvascular lesions. The pathogenesis of DN is complicated, involving genetics, physics, chemistry, and environmental factors. Chemerin is a fat cell factor that participates in regulating inflammation. Vascular endothelial growth factor (VEGF) promotes vascular endothelial cell proliferation, differentiation, and angiogenesis. The relationship role of Chemerin and VEGF in DN is not fully understood. MATERIAL AND METHODS SD rats were randomly divided into 2 groups: the control group and the DN group...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Carlota Recio, Iolanda Lazaro, Ainhoa Oguiza, Laura Lopez-Sanz, Susana Bernal, Julia Blanco, Jesus Egido, Carmen Gomez-Guerrero
Diabetes is the main cause of CKD and ESRD worldwide. Chronic activation of Janus kinase and signal transducer and activator of transcription (STAT) signaling contributes to diabetic nephropathy by inducing genes involved in leukocyte infiltration, cell proliferation, and extracellular matrix accumulation. This study examined whether a cell-permeable peptide mimicking the kinase-inhibitory region of suppressor of cytokine signaling-1 (SOCS1) regulatory protein protects against nephropathy by suppressing STAT-mediated cell responses to diabetic conditions...
September 8, 2016: Journal of the American Society of Nephrology: JASN
Hao-Jie Zhong, Yu Yuan, Wen-Rui Xie, Mei-Hui Chen, Xing-Xiang He
BACKGROUND: Clinical and experimental research has revealed that diabetes mellitus (DM) is characterized by intestinal hypomotility, gut microbial dysbiosis, increased gut permeability, microcirculation disorders, circulatory changes, and dysfunction of intestinal stem cells, which may be linked to inflammation of intestinal mucosa. However, the relationship between type 2 DM (T2DM) and macroscopic small intestinal mucosal injuries is still unclear. Therefore, we retrospectively studied capsule endoscopy data to determine the relationship between T2DM and small intestinal mucosal injuries...
2016: PloS One
Nan-Qu Huang, Hai Jin, Shao-Yu Zhou, Jing-Shan Shi, Feng Jin
Recently, more and more studies have shown that there is an essential link between diabetes mellitus (DM) and Alzheimer's disease (AD). In addition, innate immunity plays an important role in the occurrence and development of DM and AD, which increase the risk of developing type 2 diabetes (T2D) and AD. Although the pathogenesis of those diseases is still a matter of debate, the important role of Toll-like receptor 4 (TLR4) in the two diseases has been receiving much attention at present. TLR4 and insulin resistance do have close ties, and chronic TLR4 activation may contribute to the insulin resistance...
January 1, 2017: Behavioural Brain Research
Parisa Golriz Khatami, Alireza Soleimani, Nasrin Sharifi, Esmat Aghadavod, Zatollah Asemi
BACKGROUND: Limited data are available that evaluated the effects of high-dose vitamin E supplementation on biomarkers of kidney injury, inflammation, and oxidative stress in patients with diabetic nephropathy (DN). OBJECTIVE: This study was conducted to evaluate the effects of high-dose vitamin E supplementation on biomarkers of kidney injury, inflammation, and oxidative stress in patients with DN. METHODS: This randomized double-blind placebo-controlled clinical trial was carried out among 60 patients with DN...
July 2016: Journal of Clinical Lipidology
Elisavet Vasilopoulou, Maria Kolatsi-Joannou, Maja T Lindenmeyer, Kathryn E White, Michael G Robson, Clemens D Cohen, Neil J Sebire, Paul R Riley, Paul J Winyard, David A Long
Glomerular disease is characterized by morphologic changes in podocyte cells accompanied by inflammation and fibrosis. Thymosin β4 regulates cell morphology, inflammation, and fibrosis in several organs and administration of exogenous thymosin β4 improves animal models of unilateral ureteral obstruction and diabetic nephropathy. However, the role of endogenous thymosin β4 in the kidney is unknown. We demonstrate that thymosin β4 is expressed prominently in podocytes of developing and adult mouse glomeruli...
November 2016: Kidney International
Guodong Huang, Jianzhen Lv, Tongyu Li, Guoli Huai, Xiang Li, Shaowei Xiang, Longlong Wang, Zhenlin Qin, Jianli Pang, Bingyu Zou, Yi Wang
The present study was designed to examine the protective effect of notoginsenoside R1 (NR1) on podocytes in a rat model of streptozotocin (STZ)‑induced diabetic nephropathy (DN), and to explore the mechanism responsible for NR1-induced renal protection. Diabetes was induced by a single injection of STZ, and NR1 was administered daily at a dose of 5 mg/kg (low dose), 10 mg/kg (medium) and 20 mg/kg (high) for 16 weeks in Sprague-Dawley rats. Blood glucose levels, body weight and proteinuria were measured every 4 weeks, starting on the day that the rats received NR1...
October 2016: International Journal of Molecular Medicine
Reza Meshkani, Sanaz Vakili
There is increasing evidence showing that chronic inflammation is an important pathogenic mediator of the development of type 2 diabetes (T2D). It is now generally accepted that tissue-resident macrophages play a major role in regulation of tissue inflammation. T2D-associated inflammation is characterized by an increased abundance of macrophages in different tissues along with production of inflammatory cytokines. The complexity of macrophage phenotypes has been reported from different human tissues. Macrophages exhibit a phenotypic range that is intermediate between two extremes, M1 (pro-inflammatory) and M2 (anti-inflammatory)...
November 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Yun-Xia Shao, Xin-Xing Xu, Yuan-Yuan Li, Xiang-Ming Qi, Kun Wang, Yong-Gui Wu, Xiao-Ming Meng
ETHNOPHARMACOLOGICAL RELEVANCE: Paeoniflorin(PF), extracted from the root peeled of Paeonia lactiflora Pall(Family: Ranunculaceae), has therapeutic potential in many animal models of inflammatory diseases. AIM OF THE STUDY: Although the anti-inflammatory efficacy of PF has been well illustrated in several animal models, whether it could attenuate diabetic nephropathy and detailed mechanisms are still obscure. Till now, accumulating evidence has proposed the pivotal role of toll-like receptors (TLRs) in renal inflammation in diabetic patients...
August 23, 2016: Journal of Ethnopharmacology
Yochai Birnbaum, Mandeep Bajaj, Jinqiao Qian, Yumei Ye
BACKGROUND: Glucagon-like peptide-1 (GLP-1) receptor activation delays the progression of diabetic nephropathy (DN) in rodents. The NOD-like receptor 3 (Nlrp3) inflammasome plays an important role in DN. Dipeptidyl peptidase-4 inhibitors (DPP4I) inhibit the degradation of endogenous GLP-1 and various other active substances. We assessed whether DPP4I attenuates diabetes-induced activation of the inflammasome and progression of DN in mice with type 2 diabetes mellitus (T2DM) and type 1 diabetes mellitus (T1DM)...
2016: BMJ Open Diabetes Research & Care
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