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Inflammation diabetic nephropathy

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https://www.readbyqxmd.com/read/29340323/clinical-and-pathological-significance-of-autoantibodies-to-erythropoietin-receptor-in-type-2-diabetic-patients-with-ckd
#1
Akinori Hara, Kengo Furuichi, Akihiko Koshino, Haruka Yasuda, Trang Thi Thu Tran, Yasunori Iwata, Norihiko Sakai, Miho Shimizu, Shuichi Kaneko, Hiroyuki Nakamura, Takashi Wada
Introduction: We examined the impact of autoantibodies on the erythropoietin receptor (EPOR) in type 2 diabetic patients with chronic kidney disease (CKD). Methods: A total of 112 Japanese patients with type 2 diabetes who had CKD were enrolled in this study and followed for a mean of 45 months. Sera from these patients were screened for anti-EPOR antibodies using enzyme-linked immunosorbent assays. Results: Anti-EPOR antibodies were detected in 26 patients (23%)...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29336982/il-6-receptor-blockade-ameliorates-diabetic-nephropathy-via-inhibiting-inflammasome-in-mice
#2
Rui Wu, Xuanchen Liu, Jianyong Yin, Huijuan Wu, Xiulei Cai, Niansong Wang, Youcun Qian, Feng Wang
BACKGROUND AND OBJECTIVE: Interleukin 6 (IL-6) has been identified as a key mediator in inflammation, immune responses and glucose metabolism. In this study, we assessed the effects of an IL-6 receptor antibody on diabetic nephropathy in a mouse model of type 2 diabetes mellitus. METHODS: Twelve week old male db/db mice were treated with Tocilizumab (an IL-6 receptor antibody), normal IgG1 control antibody, insulin or normal saline for 12 weeks. Renal injury, inflammation and insulin resistance were assessed...
January 11, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29332180/cd39-adenosinergic-axis-in-renal-pathophysiology-and-therapeutics
#3
REVIEW
Bellamkonda K Kishore, Simon C Robson, Karen M Dwyer
Extracellular ATP interacts with purinergic type 2 (P2) receptors and elicits many crucial biological functions. Extracellular ATP is sequentially hydrolyzed to ADP and AMP by the actions of defined nucleotidases, such as CD39, and AMP is converted to adenosine, largely by CD73, an ecto-5'-nucleotidase. Extracellular adenosine interacts with P1 receptors and often opposes the effects of P2 receptor activation. The balance between extracellular ATP and adenosine in the blood and extracellular fluid is regulated chiefly by the activities of CD39 and CD73, which constitute the CD39-adenosinergic axis...
January 13, 2018: Purinergic Signalling
https://www.readbyqxmd.com/read/29330473/endothelial-heparan-sulfate-deficiency-reduces-inflammation-and-fibrosis-in-murine-diabetic-nephropathy
#4
Ditmer T Talsma, Kirankumar Katta, Marieke A B Ettema, Berna Kel, Marion Kusche-Gullberg, Moh R Daha, Coen A Stegeman, Jacob van den Born, Lianchun Wang
Inflammation plays a vital role in the development of diabetic nephropathy, but the underlying regulatory mechanisms are only partially understood. Our previous studies demonstrated that, during acute inflammation, endothelial heparan sulfate (HS) contributes to the adhesion and transendothelial migration of leukocytes into perivascular tissues by direct interaction with L-selectin and the presentation of bound chemokines. In the current study, we aimed to assess the role of endothelial HS on chronic renal inflammation and fibrosis in a diabetic nephropathy mouse model...
January 12, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29328400/microrna%C3%A2-146a-napdh-oxidase4-decreases-reactive-oxygen-species-generation-and-inflammation-in-a-diabetic-nephropathy-model
#5
Rong Jun Wan, Yue Hong Li
The present study investigated the role of microRNA (miR)‑146a in a diabetic nephropathy (DN) model, and its molecular mechanism. DN mice were given intraperitoneal injections of streptozotocin (55 mg/kg/day) for 5 consecutive days as an in vivo DN model. The HK‑2 human kidney cell line were exposed to 45% D‑glucose as an in vitro DN model. Firstly, it was demonstrated that miR‑146a expression was inhibited and NAPDH oxidase 4 (Nox4) was increased in DN mice. In HK‑2 cells, overexpression of miR‑146a inhibited Nox4 protein expression and decreased reactive oxygen species (ROS) generation, oxidative stress and inflammation, and suppressed vascular cell adhesion molecule‑1 (VCAM‑1) and intracellular adhesion molecule‑1 (ICAM‑1) protein expression...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29291386/nifuroxazide-a-stat3-inhibitor-mitigates-inflammatory-burden-and-protects-against-diabetes-induced-nephropathy-in-rats
#6
Eman Said, Sawsan A Zaitone, Mohamed Eldosoky, Nehal M Elsherbiny
Diabetic nephropathy (DN) is a serious complication of diabetes mellitus. Moreover,it is amongst the most common causes of end-stage renal failure. Inflammation is a crucial player in both development and progression of DN. JAK2/STA3 is a pleotropic cascade reported to regulate diverse inflammatory events. Previous studies reported involvement of JAK2/STA3 signal transduction pathway in diabetes-associated renal injury. In the current study, the inhibitory effect of nifuroxazide (25 mg/kg/day, orally) against inflammatory condition associating diabetic kidney progression in rats was evaluated...
December 29, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29288897/increased-trpc6-expression-is-associated-with-tubular-epithelial-cell-proliferation-and-inflammation-in-diabetic-nephropathy
#7
Yanqin Fu, Chongxian Wang, Dongming Zhang, Yaping Xin, Jun Li, Yuanyuan Zhang, Xiaojing Chu
Although TRPC6 expression is shown to be significantly elevated in a rat model diabetic nephropathy (DN), its expression and role in human DN are unclear. We thus explored the role of TRPC6 in the pathophysiology of tubular epithelial cell injury following DN. HK-2 cells were cultured in a high-glucose medium to induce a DN cell model. Ad-TRPC6 and TRP6 siRNA were transfected to overexpress and knock down TRPC6. We found that TRPC6 expression was significantly upregulated in DN tissues and cells. TRPC6 siRNA inhibited cell proliferation and promoted cell apoptosis in HK-2 cells treated with high glucose, whereas Ad-TRPC6 showed the opposite effect...
December 27, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29285124/rhein-lysinate-protects-renal-function-in-diabetic-nephropathy-of-kk-hlj-mice
#8
Ya-Jun Lin, Yong-Zhan Zhen, Jing-Bo Wei, Jie Wei, Jing Dai, Jun-Ling Gao, Kai-Ji Li, Gang Hu
The purpose of the present study was to assess the protective effects of rhein lysinate (RHL) in a KK/HlJ mouse model of diabetic nephropathy (DN) and to explore its mechanism of action. A total of 4 groups were established: C57BL/J control, the KK/HlJ model and 25 and 50 mg/kg/day RHL-treated KK/HlJ groups. The KK/HlJ mouse model of DN was established by streptozotocin injection, followed by maintenance on a specific diet. The albumin-to-creatinine ratio (ACR) was determined at 5 weeks and at 16 weeks, the kidneys were harvested, and morphological examination and immunohistochemical analysis were performed...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29280151/review-of-pentosidine-and-pyrraline-in-food-and-chemical-models-formation-potential-risks-and-determination
#9
REVIEW
He Li, Shu-Juan Yu
Pyrraline and pentosidine are advanced Maillard reaction products derived from the reaction of glucose with the lysine amino group on proteins. They have been implicated in uremia, diabetes and related complications, including inflammation, retinopathy and nephropathy. This review focused on the formation mechanism, human potential risks and detections of pentosidine and pyrraline and laid the foundation for further study of pentosdine and pyrraline.
December 27, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29273684/sp600125-suppresses-keap1-expression-and-results-in-nrf2-mediated-prevention-of-diabetic-nephropathy
#10
Huan Zhang, Xiuxia Liu, Shanshan Zhou, Ye Jia, Ying Li, Yuguo Song, Junnan Wang, Hao Wu
c-Jun N-terminal kinase (JNK) contributes to the pathogenesis of diabetic nephropathy (DN). The JNK inhibitor SP600125 was reported to ameliorate DN. However, the mechanism remained unclear. We previously reported that SP600125 activated nuclear factor erythroid 2-related factor 2 (NRF2), a governor of the cellular antioxidant defense system, in the aortas of the diabetic mice. Given the critical role of NRF2 in preventing DN, the present study aimed to test whether or not NRF2 is required for SP600125's protection against DN...
December 22, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29262395/salvianolic-acid-a-protects-against-diabetic-nephropathy-through-ameliorating-glomerular-endothelial-dysfunction-via-inhibiting-age-rage-signaling
#11
Biyu Hou, Guifen Qiang, Yuerong Zhao, Xiuying Yang, Xi Chen, Yu Yan, Xiaobo Wang, Chenge Liu, Li Zhang, Guanhua Du
BACKGROUND/AIMS: Glomerular endothelium dysfunction leads to the progression of renal architectonic and functional abnormalities in early-stage diabetic nephropathy (DN). Advanced glycation end products (AGEs) and receptor for AGEs (RAGE) are proved to play important roles in diabetic nephropathy. This study investigated the role of Salvianolic acid A (SalA) on early-stage DN and its possible underlying mechanism. METHODS: In vitro AGEs formation and breaking rate were measured to illustrate the effect of SalA on AGEs...
December 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29259980/cyld-deubiquitinase-negatively-regulates-high-glucose-induced-nf-%C3%AE%C2%BAb-inflammatory-signaling-in-mesangial-cells
#12
Yanhui Li, Wei Huang, Youhua Xu, Luping Zhou, Yaling Liang, Chenlin Gao, Yang Long, Yong Xu
Nuclear factor-kappa B (NF-κB) is the key part of multiple signal transduction of inflammation in the pathogenesis of diabetic nephropathy (DN). The ubiquitin-proteasome system is extensively involved in the regulation of the NF-κB pathway. Cylindromatosis (CYLD) has deubiquitinase activity and acts as a negative regulator of the NF-κB signaling pathway. However, the association between CYLD and NF-κB inflammatory signaling in DN is unclear. In the present study, mouse glomerular mesangial cells (GMCs) and rat GMCs were stimulated by elevated concentrations of glucose (10, 20, and 30 mmol/L high glucose) or mannitol as the osmotic pressure control...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29248299/discovery-of-1-4-3-4-methylpiperazin-1-yl-propyl-amino-benzyl-5-trifluoromethyl-pyridin-2-1h-one-an-orally-active-multi-target-agent-for-the-treatment-of-diabetic-nephropathy
#13
Jun Chen, Zhangzhe Peng, Miaomiao Lu, Xuan Xiong, Zhuo Chen, Qianbin Li, Zeneng Cheng, Dejian Jiang, Lijian Tao, Gaoyun Hu
Oxidative stress, inflammation and fibrosis can cause irreversible damage on cell structure and function of kidney and are key pathological factors in Diabetic Nephropathy (DN). Therefore, multi-target agents are urgently need for the clinical treatment of DN. Using Pirfenidone as a lead compound and based on the previous research, two novel series (5-trifluoromethyl)-2(1H)-pyridone analogs were designed and synthesized. SAR of (5-trifluoromethyl)-2(1H)-pyridone derivatives containing nitrogen heterocyclic ring have been established for in vitro potency...
July 4, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29234893/the-clinical-relevance-of-plasma-cd147-basigin-in-biopsy-proven-kidney-diseases
#14
Yoshiko Mori, Tomohiro Masuda, Tomoki Kosugi, Tomoki Yoshioka, Mayuko Hori, Hiroshi Nagaya, Kayaho Maeda, Yuka Sato, Hiroshi Kojima, Noritoshi Kato, Takuji Ishimoto, Takayuki Katsuno, Yukio Yuzawa, Kenji Kadomatsu, Shoichi Maruyama
BACKGROUND: Precise understanding of kidney disease activity is needed to design therapeutic strategies. CD147/basigin is involved in the pathogenesis of acute kidney injury and renal fibrosis through inflammatory cell infiltration. The present study examined the clinical relevance of CD147 in biopsy-proven kidney diseases that lead to the progression of chronic kidney disease. METHODS: Kidney biopsy specimens and plasma and urine samples were obtained from patients with kidney diseases, including IgA nephropathy (IgAN), Henoch-Schönlein purpura nephritis (HSPN), diabetic kidney disease (DKD), focal segmental glomerulosclerosis (FSGS), and membranous nephropathy (MN), who underwent renal biopsy between 2011 and 2014...
December 12, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29234825/bindarit-attenuates-pain-and-cancer-related-inflammation-by-influencing-myeloid-cells-in-a-model-of-bone-cancer
#15
Shenghou Liu, Hongwei Gao, Chunzheng Gao, Wenguang Liu, Deguo Xing
C-C motif chemokine ligand 2 (CCL2) is a small cytokine that functions in inflammation and cancer development. Bindarit, a CCL2 inhibitor, is a small anti-inflammatory molecule proven safe by phase II trials in type 2 diabetic nephropathy patients. As cancer-related inflammation is a cause of pain, we investigated whether Bindarit suppresses cancer-related inflammation and pain. We established a bone-cancer mouse model by inoculating cancer cells. After applying Bindarit, we preformed pain sensitivity tests and checked cancer development by X-ray...
December 12, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/29223351/ck2%C3%AE-promotes-advanced-glycation-end-products-induced-expressions-of-fibronectin-and-intercellular-adhesion-molecule-1-via-activating-mrtf-a-in-glomerular-mesangial-cells
#16
Zhiquan Chen, Qiuhong Chen, Junying Huang, Wenyan Gong, Yezi Zou, Lei Zhang, Peiqing Liu, Heqing Huang
Advanced glycation end products (AGEs) modification of extracellular matrix proteins induces crosslinking, which results in thickening of the basement membrane and activating several intracellular signaling cascades, eventually promoting the pathological progression of diabetic nephropathy (DN). We have previously confirmed that casein kinase 2α (CK2α) activates the nuclear factor of kappaB (NF-κB) signaling pathway to enhance high glucose-induced expressions of fibronectin (FN) and intercellular adhesion molecule-1 (ICAM-1) in glomerular mesangial cells (GMCs)...
December 6, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29221422/total-flavones-of-abelmoschus-manihot-improve-diabetic-nephropathy-by-inhibiting-the-irhom2-tace-signalling-pathway-activity-in-rats
#17
Su Liu, Lifang Ye, Jing Tao, Chao Ge, Liji Huang, Jiangyi Yu
CONTEXT: Total flavones extracted from Abelmoschus manihot L. (Malvaceae) medic (TFA) have been proven clinically effective at improving renal inflammation and glomerular injury in chronic kidney disease (CKD). OBJECTIVE: This study evaluated the function of TFA as an inhibitor of iRhom2/TACE (tumour necrosis factor-α converting enzyme) signalling and investigated its anti-DN (diabetic nephropathy) effects in a DN rat model. MATERIALS AND METHODS: In vitro, cells were treated with 200 μg/mL advanced glycation end products (AGEs), and then co-cultured with 20 μg/mL TFA for 24 h...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29214987/influence-of-c-reactive-protein-on-the-occurrence-and-assessing-of-albuminuria-severity-in-diabetics
#18
Lamija Pojskić, Sabaheta Hasić, Ema Tahto, Vildana Arnautović-Torlak, Belma Pojskić
Aim To asses relation of serum high sensitive C-reactive protein (hsCRP) level with albumin concentration in daily urine in patients with diabetes mellitus type 2 (T2DM). Methods The prospective study included 69 patients with T2DM, both sexes (24 males, 45 females), aged 30-82 years. They were divided into two groups: patients with T2DM and normoalbuminuria(T2DM-NA; n=40) and patients with T2DM and microalbuminuria (T2DM-MA; n=29). Patients were hospitalized at the Department of Internal Medicine, Cantonal Hospital Zenica, in the period January-April 2014...
February 1, 2018: Medicinski Glasnik
https://www.readbyqxmd.com/read/29207691/a-comparative-study-of-high-sensitivity-c-reactive-protein-and-metabolic-variables-in-type-2-diabetes-mellitus-with-and-without-nephropathy
#19
Abid K Shaheer, Jithesh K Tharayil, Parvathi W Krishna
Introduction: Diabetic nephropathy is a serious chronic complication of Type 2 Diabetes Mellitus (T2DM) which impairs the quality of life, leading to increased morbidity and mortality. The high sensitivity C-reactive protein (hs-CRP) is an acute phase reactant which acts as a non-specific systemic marker of inflammation. Aim: To find out the relationship between serum hs-CRP and metabolic variables in Type 2 diabetic patients with and without nephropathy. Materials and Methods: The study group consists of 96 subjects that include non-diabetic healthy controls, Type 2 diabetic patients without any complications and patients with diabetic nephropathy...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207360/oridonin-protects-against-the-inflammatory-response-in-diabetic-nephropathy-by-inhibiting-the-tlr4-p38-mapk-and-tlr4-nf-%C3%AE%C2%BAb-signaling-pathways
#20
Jushuang Li, Liping Bao, Dongqing Zha, Lian Zhang, Ping Gao, Juan Zhang, Xiaoyan Wu
Inflammation plays a pivotal role in the development and progression of diabetic nephropathy (DN). Oridonin (Ori), a component isolated from Rabdosia rubescens, possesses remarkable anti-inflammatory, immunoregulatory and antitumor properties. However, the renoprotective effects of Ori and the underlying molecular mechanisms have not been explored in DN. In this study, we aimed to investigate the protective effects and potential mechanisms responsible for the anti-inflammatory effects of Ori in diabetes-induced renal injury in vivo and in vitro...
December 2, 2017: International Immunopharmacology
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