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Inflammation diabetic nephropathy

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https://www.readbyqxmd.com/read/28631886/nlrp3-expression-and-urinary-hsp72-in-relation-to-biomarkers-of-inflammation-and-oxidative-stress-in-diabetic-nephropathy-patients
#1
Hemat El-Sayed El-Horany, Rania Nagi Abd-Ellatif, Mona Watany, Yasser M Hafez, Hanaa Ibrahim Okda
Diabetic nephropathy (DN) is one of the major causes of end-stage renal disease. Nod-like receptors nucleotide-binding domain and leucine-rich repeat pyrin-3 domain (NLRP3) inflammasome displays a considerable role in the chronic inflammatory state observed in diabetic patients. Urinary heat shock protein 72 (uHSP72) is a sensitive and specific biomarker for the early detection of acute kidney injury. The aim of this study was to evaluate NLRP3 relative gene expression, its correlation with inflammatory and oxidative stress markers, and to assess the value of uHSP72 in the early detection of DN in type 2 diabetic patients with different degrees of DN...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28626209/paeoniflorin-prevents-tlr2-4-mediated-inflammation-in-type-2-diabetic-nephropathy
#2
Tingmin Zhang, Qijin Zhu, Yunxia Shao, Kun Wang, Yonggui Wu
Paeoniflorin is an effective Chinese traditional medicine with anti-inflammatory and immune-regulatory effects. The aim of this study was to investigate the underlying renoprotective mechanism of Paeoniflorin. In vivo, db/db mice were intraperitoneally injected with Paeoniflorin at a dose of 15, 30, or 60 mg/kg respectively. The immunostaining of TLR2, TLR4, CD68, NF-kB p65 and the mRNA level of inflammatory factors, together with the protein expression of TLR2/4 signaling were evaluated. Our data demonstrated that Paeoniflorin could decrease the urinary albumin excretion rate and inhibit macrophage infiltration and activation through blockage of the TLR2/4 signaling pathway compared with the db/db group in vivo...
June 18, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28620823/the-vegf-a-inhibitor-sflt-1-improves-renal-function-by-reducing-endothelial-activation-and-inflammation-in-a-mouse-model-of-type-1-diabetes
#3
Pascal Bus, Marion Scharpfenecker, Priscilla Van Der Wilk, Ron Wolterbeek, Jan A Bruijn, Hans J Baelde
AIMS/HYPOTHESIS: Animal models of diabetic nephropathy show increased levels of glomerular vascular endothelial growth factor (VEGF)-A, and several studies have shown that inhibiting VEGF-A in animal models of diabetes can prevent albuminuria and glomerular hypertrophy. However, in those studies, treatment was initiated before the onset of kidney damage. Therefore, the aim of this study was to investigate whether transfecting mice with the VEGF-A inhibitor sFlt-1 (encoding soluble fms-related tyrosine kinase 1) can reverse pre-existing kidney damage in a mouse model of type 1 diabetes...
June 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28616206/a-systematic-review-and-meta-analysis-of-genetic-association-studies-for-the-role-of-inflammation-and-the-immune-system-in-diabetic-nephropathy
#4
Maria Tziastoudi, Ioannis Stefanidis, Georgios M Hadjigeorgiou, Konstantinos Stravodimos, Elias Zintzaras
Background: Despite the certain contribution of metabolic and haemodynamic factors in diabetic nephropathy (DN), many lines of evidence highlight the role of immunologic and inflammatory mechanisms. To elucidate the contribution of the immune system in the development of DN, we explored the contribution of gene variants (polymorphisms) in relevant pathophysiologic pathways. Methods: We selected six major pathways related to immune response from the Kyoto Encyclopaedia of Genes and Genomes database and thereafter we traced all available genetic association studies (GASs) involving gene variants in these pathways from PubMed and HuGE Navigator...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28588299/protective-effect-of-rosiglitazone-on-kidney-function-in-high-fat-challenged-human-crp-transgenic-mice-a-possible-role-for-adiponectin-and-mir-21
#5
Martine C Morrison, Gopala K Yakala, Wen Liang, Peter Y Wielinga, Kanita Salic, Arianne van Koppen, Tushar Tomar, Robert Kleemann, Peter Heeringa, Teake Kooistra
Obesity-related albuminuria is associated with decline of kidney function and is considered a first sign of diabetic nephropathy. Suggested factors linking obesity to kidney dysfunction include low-grade inflammation, insulin resistance and adipokine dysregulation. Here, we investigated the effects of two pharmacological compounds with established anti-inflammatory properties, rosiglitazone and rosuvastatin, on kidney dysfunction during high-fat diet (HFD)-induced obesity. For this, human CRP transgenic mice were fed standard chow, a lard-based HFD, HFD+rosuvastatin or HFD+rosiglitazone for 42 weeks to study effects on insulin resistance; plasma inflammatory markers and adipokines; and renal pathology...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28566504/apigenin-ameliorates-streptozotocin-induced-diabetic-nephropathy-in-rats-via-mapk-nf-%C3%AE%C2%BAb-tnf-%C3%AE-and-tgf-%C3%AE-1-mapk-fibronectin-pathways
#6
Salma Malik, Kapil Suchal, Sana Irfan Khan, Jagriti Bhatia, Kamal Kishore, A K Dinda, Dharamveer Singh Arya
Diabetic nephropathy (DN), a microvascular complication of diabetes, has emerged as an important health problem worldwide. There is strong evidence to suggest that oxidative stress, inflammation, and fibrosis play a pivotal role in the progression of DN. Apigenin has been shown to possess antioxidant, anti-inflammatory, anti-apoptotic, anti-fibrotic, as well as anti-diabetic properties. Hence, we evaluated whether apigenin halts the development and progression of DN in streptozotocin (STZ)-induced diabetic rats...
May 31, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28554965/fetuin-a-aggravates-lipotoxicity-in-podocytes-via-interleukin-1-signaling
#7
Jana M Orellana, Kapil Kampe, Friederike Schulze, Jonas Sieber, Andreas W Jehle
Sterile inflammation is considered critical in the pathogenesis of diabetic nephropathy (DN). Here we show that Fetuin-A (FetA) or lipopolysaccharide (LPS) exacerbate palmitic acid-induced podocyte death, which is associated with a strong induction of monocyte chemoattractant protein-1 (MCP-1) and keratinocyte chemoattractant (KC). Moreover, blockage of TLR4 prevents MCP-1 and KC secretion and attenuates podocyte death induced by palmitic acid alone or combined with FetA. In addition, inhibition of interleukin-1 (IL-1) signaling by anakinra, a recombinant human IL-1Ra, or a murinized anti-IL-1β antibody attenuates the inflammatory and ultimate cell death response elicited by FetA alone or combined with palmitic acid...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28553592/study-of-neutrophil-lymphocyte-ratio-as-novel-marker-for-diabetic-nephropathy-in-type-2-diabetes
#8
Sagar Ashokrao Khandare, Sachin Chittawar, Nitin Nahar, T N Dubey, Zahraan Qureshi
INTRODUCTION: Diabetic nephropathy (DN) is a microvascular complication of diabetes. DN is clinically manifested as an increase in urine albumin excretion. Total white blood cell count is a crude but sensitive indicator of inflammation and studied in many cardiac and noncardiac diseases as an inflammatory marker such as acute myocardial infarction, stroke, and heart failure. In this study, the association of neutrophil-lymphocyte ratio (NLR) with DN is studied. PATIENTS AND METHODS: It is an observational cross-sectional study...
May 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28539091/in-silico-identification-of-potential-drug-compound-against-peroxisome-proliferator-activated-receptor-gamma-by-virtual-screening-and-toxicity-studies-for-the-treatment-of-diabetic-nephropathy
#9
Smrita Singh, Aparajita Mohanty
Diabetic Nephropathy is a serious complication of diabetes mellitus. Current therapeutic strategies of Diabetic Nephropathy are based on control of modifiable risks like hypertension, glucose levels, and dyslipidemia. Peroxisome proliferator activated receptor-gamma (PPAR-γ) is implicated in several metabolic syndromes including Diabetic Nephropathy, besides obesity, insulin insensitivity, dislipidemia, inflammation, and hypertension. In the present study, virtual screening of 617 compounds from two different public databases was done against PPAR-γ with an objective to find a possible lead compound...
June 8, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28529539/jiangtang-decoction-ameliorate-diabetic-nephropathy-through-the-regulation-of-pi3k-akt-mediated-nf-%C3%AE%C2%BAb-pathways-in-kk-ay-mice
#10
Jin-Ni Hong, Wei-Wei Li, Lin-Lin Wang, Hao Guo, Yong Jiang, Yun-Jia Gao, Peng-Fei Tu, Xue-Mei Wang
BACKGROUND: Jiangtang decoction (JTD) is a China patented drug which contains Euphorbia humifusa Willd, Salvia miltiorrhiza Bunge, Astragalus mongholicus Bunge, Anemarrhena asphodeloides Bunge, and Coptis chinensis Franch. For decades, it has also been used clinically to treat diabetic nephropathy (DN) effectively; however, the associated mechanisms remain unknown. Thus, the present study aimed to examine the protective efficacy of JTD in DN and elucidate the underlying molecular mechanisms...
2017: Chinese Medicine
https://www.readbyqxmd.com/read/28524098/sglt2-inhibitors-as-a-therapeutic-option-for-diabetic-nephropathy
#11
REVIEW
Daiji Kawanami, Keiichiro Matoba, Yusuke Takeda, Yosuke Nagai, Tomoyo Akamine, Tamotsu Yokota, Kazunori Sango, Kazunori Utsunomiya
Diabetic nephropathy (DN) is a major cause of end-stage renal disease (ESRD) worldwide. Glycemic and blood pressure (BP) control are important but not sufficient to attenuate the incidence and progression of DN. Sodium-glucose cotransporter (SGLT) 2 inhibitors are a new class of glucose-lowering agent suggested to exert renoprotective effects in glucose lowering-dependent and independent fashions. Experimental studies have shown that SGLT2 inhibitors attenuate DN in animal models of both type 1 diabetes (T1D) and type 2 diabetes (T2D), indicating a potential renoprotective effect beyond glucose reduction...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28520942/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#12
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs (miRNAs), noncoding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
April 1, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28506912/characterization-and-comparison-of-sglt2-inhibitors-part-3-effects-on-diabetic-complications-in-type-2-diabetic-mice
#13
Atsuo Tahara, Toshiyuki Takasu, Masanori Yokono, Masakazu Imamura, Eiji Kurosaki
In this study, we investigated and compared the effects of all six sodium-glucose cotransporter (SGLT) 2 inhibitors commercially available in Japan on diabetes-related diseases and complications in type 2 diabetic mice. Following 4-week repeated administration to diabetic mice, all SGLT2 inhibitors showed significant improvement in diabetes-related diseases and complications, including obesity; abnormal lipid metabolism; steatohepatitis; inflammation; endothelial dysfunction; and nephropathy. While all SGLT2 inhibitors exerted comparable effects in reducing hyperglycemia, improvement of these diabetes-related diseases and complications was more potent with the two long-acting drugs (ipragliflozin and dapagliflozin) than with the four intermediate-acting four drugs (tofogliflozin, canagliflozin, empagliflozin, and luseogliflozin), albeit without statistical significance...
May 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28506691/urinary-lysophopholipids-are-increased-in-diabetic-patients-with-nephropathy
#14
Jean-Sébastien Saulnier-Blache, Eva Feigerlova, Jean Michel Halimi, Pierre Gourdy, Ronan Roussel, Bruno Guerci, Aude Dupuy, Justine Bertrand-Michel, Jean-Loup Bascands, Samy Hadjadj, Joost P Schanstra
Diabetic nephropathy (DN) is a major cause of chronic kidney disease that frequently leads to end stage renal failure. Lysophosphatidic acid (LPA) and lysophosphatidylcholine (LPC) are lysophospholipid mediators shown to accumulate in kidney and to promote renal inflammation and tubulo-interstitial fibrosis in diabetic rodent models. Here we assessed whether LPA and LPC were associated to the development of nephropathy in diabetic human patients. Several molecular species of LPA and LPC were quantified by LC/MS-MS in urine and plasma from type 2 diabetic patients with (cases; n=41) or without (controls, n=41) nephropathy symptoms (micro/macro-albuminuria and eGFR<60ml/min/1...
July 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28497277/brazilin-ameliorates-diabetic-nephropathy-and-inflammation-in-db-db-mice
#15
Zhan-Yuan Li, Yu Zheng, Yan Chen, Min Pan, Shu-Bei Zheng, Wen Huang, Zhi-Hong Zhou, Han-Yang Ye
Hyperglycemia and inflammation play important roles in the pathogenesis of diabetic nephropathy (DN). Brazilin might be an effective pharmacological agent against hyperglycemia and inflammation. In our present study, we explored whether brazilin mitigated pathological progression, inflammation, and extracellular matrix (ECM) accumulation in a mouse model of diabetic nephropathy. Brazilin reduced aggravated biochemical indices of DN (proteinuria and the serum glucose level) and renal hypertrophy. Brazilin also improved renal morphology and inhibited macrophage infiltration, as manifested by different pathological staining methods...
May 11, 2017: Inflammation
https://www.readbyqxmd.com/read/28490956/changes-in-the-nf%C3%AE%C2%BAb-and-e-cadherin-expression-are-associated-to-diabetic-nephropathy-inpsammomys-obesus
#16
Djamila Aroune, Farid Libdiri, Sophie Leboucher, Boubekeur Maouche, Sergio Marco, Salima El-Aoufi
Diabetes mellitus is a major leading cause of end-stage renal failure, characterized by kidney inflammation and glomerular dysfunction, in worldwide. Kidney inflammation is associated to modifications in the expression levels of pro-inflammatory molecules, such as nuclear factor-κB (NFκB) and adhesion molecules, such as E-cadherin, leading to glomerular dysfunction. However, the relationships between these two processes in human diabetic nephropathy remain an open question. Since Psammomys obesus is an ideal animal model to study diabetes mellitus temporal evolution, we have used this model to study the correlation between kidney structural changes and modification on the expression levels of NFκB and E-cadherin over time...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28466254/celecoxib-alleviates-memory-deficits-by-downregulation-of-cox-2-expression-and-upregulation-of-the-bdnf-trkb-signaling-pathway-in-a-diabetic-rat-model
#17
Ying Yang, Ling Gao
Previous studies conveyed that diabetes causes learning and memory deficits. Data also suggest that celecoxib exerts an anti-hyperalgesic, anti-allodynic, and a plethora of other beneficial effects in diabetic rats. However, whether celecoxib could alleviate memory deficit in diabetic rat is unknown. In the present study, we aimed to examine the potential of celecoxib to counter memory deficits in diabetes. Experimental diabetes was induced by streptozotocin (STZ, 60 mg/kg) in male SD rats. Rats were divided into three groups (n = 16/group): normal control group injected with normal saline, diabetes group injected with STZ, and diabetes + celecoxib group in which diabetic rats were administered with celecoxib by gavage in drinking water (10 mg/kg) for 10 days in terms of which memory performance in animals was measured, hippocampal tissue harvested, and long-term potentiation assessed...
June 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28457936/epigallocatechin-gallate-upregulates-nrf2-to-prevent-diabetic-nephropathy-via-disabling-keap1
#18
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/28453961/diabetic-nephropathy-new-insights-into-established-therapeutic-paradigms-and-novel-molecular-targets
#19
REVIEW
Dilip Sharma, Pallab Bhattacharya, Kiran Kalia, Vinod Tiwari
Diabetic nephropathy is one of the most prevalent microvascular complication in patients suffering from diabetes and is reported to be the major cause of renal failure when compared to any other kidney disease. Currently, available therapies provide only symptomatic relief and unable to treat the underlying pathophysiology of diabetic nephropathy. This review will explore new insights into the established therapeutic paradigms targeting oxidative stress, inflammation and endoplasmic reticulum stress with the focus on recent clinical developments...
June 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28446168/plasma-matrix-metalloproteinases-are-associated-with-incident-cardiovascular-disease-and-all-cause-mortality-in-patients-with-type-1-diabetes-a-12-year-follow-up-study
#20
S A Peeters, L Engelen, J Buijs, A Jorsal, H-H Parving, L Tarnow, P Rossing, C G Schalkwijk, C D A Stehouwer
BACKGROUND: Altered regulation of extracellular matrix remodeling by matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinase (TIMP) may contribute to vascular complications in type 1 diabetes. We investigated associations between plasma MMP-1, -2, -3, -9, -10 and TIMP-1, and cardiovascular events and all-cause mortality in type 1 diabetic patients. METHODS: We prospectively followed 337 type 1 diabetic patients [mean age 41.4 years (9.6), 39% female], 170 with and 167 without diabetic nephropathy, with median follow-up of 12...
April 26, 2017: Cardiovascular Diabetology
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