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Inflammation diabetic nephropathy

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https://www.readbyqxmd.com/read/28937442/orally-active-epoxyeicosatrienoic-acid-analogs
#1
William B Campbell, John D Imig, James M Schmitz, John R Falck
Biologically active epoxyeicosatrienoic acid (EET) regioisomers are synthesized from arachidonic acid by cytochrome P450 epoxygenases of endothelial, myocardial, and renal tubular cells. EETs relax vascular smooth muscle and decrease inflammatory cell adhesion and cytokine release. Renal EETs promote sodium excretion and vasodilation to decrease hypertension. Cardiac EETs reduce infarct size after ischemia-reperfusion injury and decrease fibrosis and inflammation in heart failure. In diabetes, EETs improve insulin sensitivity, increase glucose tolerance, and reduce the renal injury...
September 19, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28934365/murine-glomerular-transcriptome-links-endothelial-cell-specific-molecule-1-deficiency-with-susceptibility-to-diabetic-nephropathy
#2
Xiaoyi Zheng, Fariborz Soroush, Jin Long, Evan T Hall, Puneeth K Adishesha, Sanchita Bhattacharya, Mohammad F Kiani, Vivek Bhalla
Diabetic nephropathy (DN) is the leading cause of kidney disease; however, there are no early biomarkers and no cure. Thus, there is a large unmet need to predict which individuals will develop nephropathy and to understand the molecular mechanisms that govern this susceptibility. We compared the glomerular transcriptome from mice with distinct susceptibilities to DN at four weeks after induction of diabetes, but before histologic injury, and identified differential regulation of genes that modulate inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28933050/toll-like-receptor-4-signaling-mediates-inflammation-and-tissue-injury-in-diabetic-nephropathy
#3
REVIEW
Giacomo Garibotto, Annalisa Carta, Daniela Picciotto, Francesca Viazzi, Daniela Verzola
Toll-like receptors (TLRs) are a class of receptors of the innate immune system which detect pathogen-associated and danger-associated molecular patterns in order to initiate an inflammatory response. TLR2 and TLR4 downward signaling causes the production of proinflammatory cytokines that can induce insulin resistance and cardiovascular damage in obesity and type 2 diabetes mellitus. In diabetic nephropathy, TLR4, nucleotide-binding oligomerization domain-containing protein 2 (NOD2), and NLRP3 inflammasome are involved in the production and persistence of inflammation...
September 20, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28911610/myrciaria-cauliflora-extract-improves-diabetic-nephropathy-via-suppression-of-oxidative-stress-and-inflammation-in-streptozotocin-nicotinamide-mice
#4
Jeng-Dong Hsu, Chia-Chun Wu, Chi-Nan Hung, Chau-Jong Wang, Hui-Pei Huang
Myrciaria cauliflora is a functional food rich in anthocyanins, possessing antioxidative and anti-inflammatory properties. Our previous results demonstrated M. cauliflora extract (MCE) had beneficial effects in diabetic nephropathy (DN) and via the inhibition of Ras/PI3K/Akt and kidney fibrosis-related proteins. The purpose of this study was to assess the benefit of MCE in diabetes associated with kidney inflammation and glycemic regulation in streptozotocin-nicotinamide (STZ/NA)-induced diabetic mice. Compared with the untreated diabetic group, MCE significantly improved blood glucose and serum biochemical characteristic levels...
October 2016: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28893413/fish-oil-emulsion-supplementation-might-improve-quality-of-life-of-diabetic-patients-due-to-its-antioxidant-and-anti-inflammatory-properties
#5
Lucia Laubertová, Katarína Koňariková, Helena Gbelcová, Zdeňka Ďuračková, Jana Muchová, Iveta Garaiova, Ingrid Žitňanová
Diabetes-related complications, including cardiovascular disease, retinopathy, nephropathy, and neuropathy, are a significant cause of increased morbidity and mortality among people with diabetes. Previous studies have confirmed that hyperglycemia has pro-oxidative and proinflammatory properties which cause diabetic complications. We hypothesized that supplementation of fish oil emulsion (FOE), rich in omega-3 polyunsaturated fatty acids, to diabetic patients might reduce hyperglycemia-induced pathological changes due to specific properties of FOE...
August 3, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28875851/urotensin-ii-molecular-mechanisms-of-biological-activity
#6
Andrey A Svistunov, Vadim V Tarasov, Svetlana A Shakhmardanova, Susanna S Sologova, Ekaterina T Bagaturija, Vladimir N Chubarev, Pavel A Galenko-Yaroshevsky, George E Barreto, Gjumrakch Aliev
Urotensin II (UT II) is an important factor of cellular homeostasis. This regulatory peptide is involved in the pathophysiology of many disorders. For example, it plays an important role in the pathogenesis of acute and chronic diseases, stressful and adaptive reactions of the body, in the development of cardiovascular pathologies, metabolic syndrome, inflammation, liver cirrhosis, renal failure, diabetic nephropathy, reproductive dysfunction, progression of psychosomatic, psychoendocrinal and psychiatric disorders...
August 29, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28871454/non-genetic-mechanisms-of-diabetic-nephropathy
#7
REVIEW
Qiuxia Han, Hanyu Zhu, Xiangmei Chen, Zhangsuo Liu
Diabetic nephropathy (DN) is one of the most common microvascular complications in diabetes mellitus patients and is characterized by thickened glomerular basement membrane, increased extracellular matrix formation, and podocyte loss. These phenomena lead to proteinuria and altered glomerular filtration rate, that is, the rate initially increases but progressively decreases. DN has become the leading cause of end-stage renal disease. Its prevalence shows a rapid growth trend and causes heavy social and economic burden in many countries...
September 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28871079/sirt6-deficiency-exacerbates-podocyte-injury-and-proteinuria-through-targeting-notch-signaling
#8
Min Liu, Kaili Liang, Junhui Zhen, Meng Zhou, Xiaojie Wang, Ziying Wang, Xinbing Wei, Yan Zhang, Yu Sun, Zhuanli Zhou, Hua Su, Chun Zhang, Ningjun Li, Chengjiang Gao, Jun Peng, Fan Yi
Podocyte injury is a major determinant of proteinuric kidney disease and the identification of potential therapeutic targets for preventing podocyte injury has clinical importance. Here, we show that histone deacetylase Sirt6 protects against podocyte injury through epigenetic regulation of Notch signaling. Sirt6 is downregulated in renal biopsies from patients with podocytopathies and its expression correlates with glomerular filtration rate. Podocyte-specific deletion of Sirt6 exacerbates podocyte injury and proteinuria in two independent mouse models, diabetic nephropathy, and adriamycin-induced nephropathy...
September 4, 2017: Nature Communications
https://www.readbyqxmd.com/read/28868127/mori-cortex-prevents-kidney-damage-through-inhibiting-expression-of-inflammatory-factors-in-the-glomerulus-in-streptozocin-induced-diabetic-rats
#9
Lili Ma, Hailai Ni, Xinrong Zou, Yanyan Yuan, Chun Luo, Bingyang Liu, Fuyan Wang, Yang Xi, Yudong Chu, Pangjie Xu, Xiaohui Qiu, Song Li, Shizhong Bu
OBJECTIVES: It has been widely reported that Mori cortex extract (MCE) is used for the treatment of diabetes mellitus in traditional medicine. The present study was designed to investigate its mechanism of action in the treatment of diabetic nephropathy (DN). We assessed whether MCE preventive treatment ameliorates kidney damage in high-fat diet and streptozotocin (STZ)-induced type 2 diabetic rats. MATERIALS AND METHODS: Rats were fed a high-fat diet and injected with STZ...
June 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28864059/role-of-omentin-1-and-il-6-in-type-2-diabetes-mellitus-patients-with-diabetic-nephropathy
#10
Gandhipuram Periyasamy Senthilkumar, Melepallappil Sabeenakumari Anithalekshmi, Md Yasir, Sreejith Parameswaran, Rajaa Muthu Packirisamy, Zachariah Bobby
AIMS: Diabetic nephropathy (DN) is one of the major chronic vascular complication of T2DM and leading cause of end-stage renal disease. Inflammation is one of the proposed pathway which explains microvascular complications in T2DM but exact mechanism is still unclear. Omentin-1 is an anti-inflammatory adipokine which promotes insulin signaling. IL-6 is a multifunctional cytokine having role in immune and inflammatory responses. The present study was conducted to elucidate the role of omentin-1 and IL-6 in the pathogenesis of DN and its association with insulin resistance...
August 24, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28860837/the-role-of-novel-biomarkers-in-predicting-diabetic-nephropathy-a-review
#11
REVIEW
Samuel N Uwaezuoke
Diabetic nephropathy (DN) is one of the microvascular complications of the kidney arising commonly from type 1 diabetes mellitus (T1DM), and occasionally from type 2 diabetes mellitus (T2DM). Microalbuminuria serves as an early indicator of DN risk and a predictor of its progression as well as cardiovascular disease risk in both T1DM and T2DM. Although microalbuminuria remains the gold standard for early detection of DN, it is not a sufficiently accurate predictor of DN risk due to some limitations. Thus, there is a paradigm shift to novel biomarkers which would help to predict DN risk early enough and possibly prevent the occurrence of end-stage kidney disease...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28860163/proximal-tubular-cannabinoid-1-receptor-regulates-obesity-induced-ckd
#12
Shiran Udi, Liad Hinden, Brian Earley, Adi Drori, Noa Reuveni, Rivka Hadar, Resat Cinar, Alina Nemirovski, Joseph Tam
Obesity-related structural and functional changes in the kidney develop early in the course of obesity and occur independently of hypertension, diabetes, and dyslipidemia. Activating the renal cannabinoid-1 receptor (CB1R) induces nephropathy, whereas CB1R blockade improves kidney function. Whether these effects are mediated via a specific cell type within the kidney remains unknown. Here, we show that specific deletion of CB1R in the renal proximal tubule cells did not protect the mice from obesity, but markedly attenuated the obesity-induced lipid accumulation in the kidney and renal dysfunction, injury, inflammation, and fibrosis...
August 31, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28858846/tlr4-polymorphisms-seem-not-to-be-associated-with-prediabetes-and-type-2-diabetes-but-predispose-to-diabetic-retinopathy-tlr4-polymorphisms-in-glucose-continuum
#13
E T Zaharieva, Z A Kamenov, A S Savov
OBJECTIVES: Compared to type 1 diabetes, the role of the immune and autoimmune pathogenetic mechanisms is much less studied in the type 2 diabetes. Toll-like receptors 4 (TLR4) have a leading role in inflammation, insulin resistance, and vascular damage. This study aimed to analyze the relationship between the polymorphisms in TLR4 gene and different stages in the glucose continuum from prediabetes to the type 2 diabetes and chronic microvascular complications. MATERIALS AND METHODS: The study included 113 patients with the type 2 diabetes, 29 participants with prediabetes, and 28 controls...
July 1, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28853522/-the-effect-of-vitamin-d-on-the-expression-of-adamts13-in-cultured-endothelial-cells-exposed-to-a-diabetic-like-environment
#14
Keren Cohen-Hagai, Gloria Rashid, Meital Ohana, Sydney Benchetrit, Tali Zitman-Gal
BACKGROUND: Diabetes mellitus (DM) is the leading cause of end-stage kidney disease. Inflammation, fibrosis, coagulability and oxidative stress exacerbate kidney disease. The glycoprotein, Von Willebrand Factor (VWF) has a crucial role in platelet thrombus formation. The enzyme ADAMTS13 is responsible for VWF cleavage. Both are important in the interface between diabetic nephropathy, hypercoagulability and atherosclerotic cardiovascular disease. Vitamin D inhibits endothelial proliferation, blunts angiogenesis and is a cardioprotective agent...
August 2017: Harefuah
https://www.readbyqxmd.com/read/28852907/functional-role-of-suv39h1-in-human-renal-tubular-epithelial-cells-under-high-glucose-ambiance
#15
Jiayi Wang, Wenzhe Yan, Xiaofei Peng, Yafeng Jiang, Liyu He, Youming Peng, Xian Chen, Muyao Ye, Hui Zhuo
SUV39H1, the histone methyltransferase (HMTase) of histone H3 lysine 9 trimethylation (H3K9me3), is a known transcriptional repressor of inflammatory genes. The effect of SUV39H1 on inflammatory gene promoters under high-glucose stimulation in vascular smooth muscle cells (VSMCs), macrophages, and cardiomyocytes has been studied, but how SUV39H1 functions in renal tubules under diabetic conditions is unclear. Renal biopsy specimens of ten diabetic nephropathy (DN) subjects and seven non-DN minimal change diseases (MCD) subjects were collected...
August 29, 2017: Inflammation
https://www.readbyqxmd.com/read/28837800/systemic-monocyte-chemotactic-protein-1-inhibition-modifies-renal-macrophages-and-restores-glomerular-endothelial-glycocalyx-and-barrier-function-in-diabetic-nephropathy
#16
Margien G S Boels, Angela Koudijs, M Cristina Avramut, Wendy M P J Sol, Gangqi Wang, Annemarie M van Oeveren-Rietdijk, Anton Jan van Zonneveld, Hetty C de Boer, Johan van der Vlag, Cees van Kooten, Dirk Eulberg, Bernard M van den Berg, Daphne H T IJpelaar, Ton J Rabelink
Inhibition of monocyte chemotactic protein-1 (MCP)-1 with the Spiegelmer emapticap pegol (NOX-E36) shows long-lasting albuminuria-reducing effects in diabetic nephropathy. MCP-1 regulates inflammatory cell recruitment and differentiation of macrophages. Since the endothelial glycocalyx is also reduced in diabetic nephropathy, we hypothesized that MCP-1 inhibition restores glomerular barrier function through influencing macrophage cathepsin L secretion, thus reducing activation of the glycocalyx degrading enzyme heparanase...
August 21, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28820061/renin-angiotensin-system-and-cytokines-in-chronic-kidney-disease-clinical-and-experimental-evidence
#17
Ariadna Andrade Saldanha da Silva, Thiago Ruiz Prestes, Amanda Oliveira Lauar, Beranardo Bahia Finotti, Ana Cristina Simões e Silva
Chronic kidney disease (CKD) has become a major public health problem in Brazil and worldwide. There are many causes of CKD, being the congenital anomalies of the kidney and urinary tract and the glomerular diseases very common in pediatric patients, while diabetic nephropathy, CKD due to chronic arterial hypertension and glomerular diseases are predominant in adult patients. Many endogenous mediators have been related to the pathophysiology of CKD, being relevant the effects of the renin-angiotensin system (RAS) and the immune-inflammatory mediators including cytokines...
August 18, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28811693/beneficial-effect-of-aqueous-garlic-extract-on-inflammation-and-oxidative-stress-status-in-the-kidneys-of-type-1-diabetic-rats
#18
Abolfazl Nasiri, Nasrin Ziamajidi, Roghayeh Abbasalipourkabir, Mohammad Taghi Goodarzi, Massoud Saidijam, Hamid Behrouj, Sara Solemani Asl
One of the most important complications of diabetes is nephropathy. This study investigates the effects of aqueous garlic extract on inflammation and oxidative stress status in the kidneys of diabetic rats. Male rats were divided into four groups- control rats, diabetic rats, garlic extract-treated diabetic rats, garlic extract-treated normal rats. The glucose, urea, uric acid, and creatinine levels were measured in sera using colorimetric methods. To determine the oxidative stress condition in the kidney tissues, total antioxidant capacity (TAC), malondialdehyde (MDA), and total oxidant status (TOS) were measured using colorimetric methods...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28802226/taraxerol-a-pentacyclic-triterpenoid-from-abroma-augusta-leaf-attenuates-diabetic-nephropathy-in-type-2-diabetic-rats
#19
Ritu Khanra, Niloy Bhattacharjee, Tarun K Dua, Ashis Nandy, Achintya Saha, Jatin Kalita, Prasenjit Manna, Saikat Dewanjee
Persistent hyperglycaemia coupled with inflammation plays an important role in the pathogenesis of diabetic nephropathy (DN). Present study examined the therapeutic potential of taraxerol isolated from the methanol extract of Abroma augusta leaf against DN using rodent model of type 2 diabetes (T2D). T2D was experimentally induced by high fat diet and a single low-single dose of streptozotocin (35mg/kg, i.p.). Accumulation of serum creatinine, urea, and uric acid, activation of lactate dehydrogenase and creatinin kinase, and release of urinary albumin represented the glomerular damage and the progression of nephropathy in T2D rats...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28802091/a-cyclic-and-intermittent-very-low-protein-diet-can-have-beneficial-effects-against-advanced-diabetic-nephropathy-in-wistar-fatty-fa-fa-rats-an-animal-model-of-type-2-diabetes-and-obesity
#20
Munehiro Kitada, Yoshio Ogura, Taeko Suzuki, Itaru Monnno, Keizo Kanasaki, Ai Watanabe, Daisuke Koya
A low-protein diet (LPD), particularly, very low-protein diet (VLPD) is expected for reno-protection in advanced chronic kidney disease, including diabetic nephropathy. We previously also demonstrated that a VLPD clearly improved advanced diabetic nephropathy in a type 2 diabetes and obesity rat. However, clinically, an everyday long-term VLPD contributes to poor adherence, which may be related to controvertial results of an LPD on the suppression for diabetic nephropathy, and has nutritional issues, such as sarcopenia or protein-energy wasting...
August 12, 2017: Nephrology
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