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Inflammation diabetic nephropathy

Laura Lopez-Sanz, Susana Bernal, Carlota Recio, Iolanda Lazaro, Ainhoa Oguiza, Ana Melgar, Luna Jimenez-Castilla, Jesus Egido, Carmen Gomez-Guerrero
Oxidative stress resulting from excessive production of reactive oxygen species (ROS) or impaired antioxidant defenses is closely related to the development of diabetic vascular complications, including nephropathy and atherosclerosis. Chronic activation of Janus kinase/Signal transducer and activator of transcription (JAK/STAT) signaling pathway contributes to diabetic complications by inducing expression of genes involved in cell proliferation, fibrosis, inflammation, and oxidative stress. Suppressors of cytokine signaling (SOCS) family of endogenous JAK/STAT regulators is an attractive target for therapeutic intervention...
March 14, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
Muneeb U Rehman, Shahzada Mudasir Rashid, Saiema Rasool, Sheeba Shakeel, Bilal Ahmad, Sheikh Bilal Ahmad, Hassan Madkhali, Majid Ahmad Ganaie, Sabiya Majid, Showkat Ahmad Bhat
Development of diabetic nephropathy (DN) is directly linked to oxidative stress and inflammation. In this context, inflammatory and oxidative markers have gained much attention as targets for therapeutic intervention. We studied the effect of zingerone in a streptozotocin/high fat diet (STZ/HFD)-induced type 2 diabetic Wistar rat model. Zingerone also known as vanillyl acetone is a pharmacologically active compound present usually in dry ginger. STZ/HFD caused excessive increase in ROS and inflammation in experimental animals...
March 14, 2018: Archives of Physiology and Biochemistry
Bartosz Słomiński, Maria Skrzypkowska, Monika Ryba-Stanisławowska, Agnieszka Brandt
BACKGROUND & AIM: Recent studies suggest that uric acid (UA) is a mediator of diabetic nephropathy. We hypothesized that serum UA would associate with the prevalence of diabetic nephropathy in youth with type 1 diabetes (T1D), and that this relationship would differ by sex. METHODS: We examined 120 young boys and the same number of girls with T1D. C-reactive protein (CRP), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor α (TNF-α), uric acid, cystatin C serum concentrations, albumin excretion rate and blood pressure were also analysed...
March 12, 2018: Pediatric Diabetes
Kavisa Ghosh, Indra N
Cadmium (Cd), a potent carcinogen present in almost all foods, poses a major health risk to humans. Major routes of exposure to Cd for humans are occupation, diet, and tobacco use. Cd elicits various deleterious effects on cellular molecules mainly by causing oxidant-antioxidant imbalance. Cd has been implicated in the pathogenesis of many cancers, Itai-itai disease, diabetic nephropathy, hypertension, peripheral artery disease, and myocardial infarction. This study was designed to investigate the effects of Cd intake on erythrocytes and cardiac tissue in male albino Wistar rats...
February 27, 2018: Environmental Toxicology and Pharmacology
Julia Wijkström, Channa Jayasumana, Rajeewa Dassanayake, Nalin Priyawardane, Nimali Godakanda, Sisira Siribaddana, Anneli Ring, Kjell Hultenby, Magnus Söderberg, Carl-Gustaf Elinder, Annika Wernerson
In Sri Lanka, an endemic of chronic kidney disease of unknown origin (CKDu) is affecting rural communities. The endemic has similarities with Mesoamerican Nephropathy (MeN) in Central America, however it has not yet been clarified if the endemics are related diagnostic entities. We designed this study of kidney biopsies from patients with CKDu in Sri Lanka to compare with MeN morphology. Eleven patients with CKDu were recruited at the General Hospital, Polonnaruwa, using similar inclusion and exclusion criteria as our previous MeN studies...
2018: PloS One
Yochai Birnbaum, Mandeep Bajaj, Hsiu-Chiung Yang, Yumei Ye
BACGROUND: Sodium-glucose cotransporter 2 (SGLT2) inhibitors and dipeptidyl peptidase-4 inhibitors (DPP4I) are used to treat type 2 diabetes (T2DM). DPP4 inhibitors (DPP4) attenuate Nlrp3 inflammasome activation in the kidney. SGLT2 inhibition reduces inflammation and attenuates the progression of diabetic nephropathy (DN). The effects of dapagliflozin (Dapa) on the activation of the Nlrp3 inflammasome and the combined effect of SGLT2 and DPP4 on T2DM-induced inflammasome activation and progression of DN have not been previously studied...
March 5, 2018: Cardiovascular Drugs and Therapy
Li Zhou, Di Yao, Songqing Zhao, Yuzhang Jiang, Weiping Lu
INTRODUCTION: A variety of molecular pathways, such as generation of advanced glycation end products, inflammation, and oxidative stress, are involved in the development of diabetic nephropathy (DN). Recently, a protective effect of omega-3 polyunsaturated fatty acids on the kidney has been reported. This study aimed to determine serum docosahexaenoic acid (DHA) level and its association with inflammation factors in patients with DN. MATERIALS AND METHODS: One hundred patients with type 2 diabetic mellitus were divided into 3 groups of non-DN, early DN, and clinical DN, based on 24-hour urinary albumin levels...
March 2018: Iranian Journal of Kidney Diseases
Taner Ulus, Kamal Isgandarov, Ahmet Serdar Yilmaz, Samet Uysal, Ibrahim Vasi, Muhammet Dural, Fezan Mutlu
Contrast-induced nephropathy (CIN) is associated with worse prognosis in patients with acute coronary syndrome (ACS). Early identification and intervention for patients with a high risk of CIN are very important to improve clinical outcomes. Inflammation plays important role in the development of CIN in the setting of ACS. The monocyte to high-density lipoprotein ratio (MHR) is a novel inflammatory marker. Bleeding is also associated with worse prognosis in such patients. We aimed to investigate whether the preprocedural MHR had a predictive role for CIN development in such patients...
January 1, 2018: Angiology
B Stutz, A J Ahola, V Harjutsalo, C Forsblom, P-H Groop
BACKGROUND AND AIMS: In the general population, habitual coffee consumption is inversely associated with the metabolic syndrome, a syndrome that is rather common also in patients with type 1 diabetes. However, whether coffee intake is beneficially related to the metabolic syndrome also in type 1 diabetes, is not known. We, therefore, studied the potential association between coffee consumption and the metabolic syndrome in a large population of individuals with type 1 diabetes. Furthermore, we investigated whether coffee consumption is associated with insulin resistance (estimated glucose disposal rate, eGDR), kidney function (estimated glomerular filtration rate, eGFR), and low-grade chronic inflammation (high-sensitivity C-reactive protein, hsCRP)...
February 1, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Shu-Yan Liu, Jie Chen, Yong-Feng Li
INTRODUCTION: Recent studies suggest that chronic inflammatory responses are important in the development of diabetic nephropathy (DN). Various inflammatory and angiogenesis molecules affect the pathogenesis and progression of DN. Inflammation damages the microcirculation and causes kidney damage. In this study, we studied changes in interleukin-8 (IL-8) and soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK) levels in patients with diabetic nephropathy (DN) and investigated the clinical significance of these two inflammatory factors...
February 28, 2018: Journal of Diabetes Investigation
Yachun Han, Xiaoxuan Xu, Chengyuan Tang, Peng Gao, Xianghui Chen, Xiaofen Xiong, Ming Yang, Shikun Yang, Xuejing Zhu, Shuguang Yuan, Fuyou Liu, Li Xiao, Yashpal S Kanwar, Lin Sun
NLRP3/IL-1β activation via thioredoxin (TRX)/thioredoxin-interacting protein (TXNIP) following mitochondria ROS (mtROS) overproduction plays a key role in inflammation. However, the involvement of this process in tubular damage in the kidneys of patients with diabetic nephropathy (DN) is unclear. Here, we demonstrated that mtROS overproduction is accompanied by decreases in TRX expression and TXNIP up-regulation. In addition, we discovered that mtROS overproduction is also associated with increases in NLRP3/IL-1β and TGF-β expression in the kidneys of patients with DN and db/db mice...
February 15, 2018: Redox Biology
Sun Ryoung Choi, Ji Hee Lim, Min Young Kim, Eun Nim Kim, Yaeni Kim, Beom Soon Choi, Yong-Soo Kim, Hye Won Kim, Kyung-Min Lim, Min Jeong Kim, Cheol Whee Park
BACKGROUND: Adiponectin is known to take part in the regulation of energy metabolism. AdipoRon, an orally-active synthetic adiponectin agonist, binds to both adiponectin receptors (AdipoR)1/R2 and ameliorates diabetic complications. Among the lipid metabolites, the ceramide subspecies of sphingolipids have been linked to features of lipotoxicity, including inflammation, cell death, and insulin resistance. We investigated the role of AdipoRon in the prevention and development of type 2 diabetic nephropathy...
February 17, 2018: Metabolism: Clinical and Experimental
Shikun Yang, Aimei Li, JianWen Wang, Jun Liu, Yachun Han, Wei Zhang, Yan Chun Li, Hao Zhang
BACKGROUND: Kidney disease is a serious problem that adversely affects human health, but critical knowledge is lacking on how to effectively treat established chronic kidney disease. Mounting evidence from animal and clinical studies has suggested that vitamin D receptor (VDR) activation has beneficial effects on various renal diseases. METHOD: A structured search of published research literature regarding VDR structure and function, VDR in various renal diseases (e...
February 14, 2018: Current Medicinal Chemistry
Yue-Guang Du, Ke-Na Zhang, Zong-Lei Gao, Fengjiao Dai, Xi-Xi Wu, Ke-Fu Chai
The present study investigated the mechanism underlying the anti-inflammatory effects of Tangshen formula (TS) in Sprague Dawley (SD) rats with diabetic nephropathy (DN). A rat model of DN was established by intraperitoneal injection of 1% (40 mg/kg) streptozotocin and administration of a high fat and glucose diet. Subsequently, SD rats were randomly divided into six groups (n=8): A DN group, a valsartan group, a high-dose TS group, a middle-dose TS group, a low-dose TS group and a control group with normal SD rats...
February 2018: Experimental and Therapeutic Medicine
Egemen Cebeci, Cengiz Cakan, Meltem Gursu, Sami Uzun, Serhat Karadag, Macit Koldas, Turan Calhan, Serife Aysen Helvaci, Savas Ozturk
AIM: The association of increased resistin levels in chronic kidney disease with diabetic nephropathy has not yet been clarified. Our aim was to analyze the relationship between serum resistin levels and various diabetic microvascular complications in patients. METHODS: A total of 83 patients were enrolled in this cross-sectional study. The subjects were divided into 3 groups: 27 patients with type 2 diabetes mellitus (T2DM) having no diabetic retinopathy (DRP) or microalbuminuria and having normal renal function were included in Group-1, 28 patients with T2DM having DRP and normal renal function in Group-2, and 28 patients with T2DM with DRP and microalbuminuria and an estimated glomerular filtration rate (eGFR) of<60 ml/min/1...
February 8, 2018: Experimental and Clinical Endocrinology & Diabetes
Akbar Heidari, Gholamali Hamidi, Alireza Soleimani, Esmat Aghadavod, Zatollah Asemi
INTRODUCTION: Data on the effects of coenzyme Q10 (CQ10) on gene expression related to insulin, lipid, and inflammation in patients with diabetic nephropathy (DN) are scarce. This study aimed to determine the effects of CQ10 supplementation on gene expression related to insulin, lipid, and inflammation pathways in patients with DN. MATERIALS AND METHODS: Forty patients with DN, aged 40 to 85 years old, were randomly assigned into 2 groups to receive either 100 mg/d of CQ10 supplements (n = 20) or placebo (n = 20), for 12 weeks...
January 2018: Iranian Journal of Kidney Diseases
Barry I Freedman, Amy L Kistler, Peter Skewes-Cox, Don Ganem, Mitzie Spainhour, Jolyn Turner, Jasmin Divers, Carl D Langefeld, Mariana Murea, Pamela J Hicks, Ashok K Hemal, James A Snipes, Lihong Zhao, Johanna R Abend, Douglas S Lyles, Lijun Ma, Karl L Skorecki
Background: Viral infections can trigger chronic kidney disease (CKD) and the urine virome may inform risk. The Natural History of APOL1-Associated Nephropathy Study (NHAANS) reported that urine JC polyomavirus (JCPyV) associated with a lower risk of APOL1-associated nephropathy in African Americans. Herein, association was assessed between urine JCPyV with CKD in African Americans independent from the APOL1 genotype. Methods: Quantitative polymerase chain reaction was performed for urinary detection of JCPyV and BK polyoma virus (BKPyV) in 200 newly recruited nondiabetic African Americans...
February 6, 2018: Nephrology, Dialysis, Transplantation
Richard Van Krieken, Mandeep Marway, Pavithra Parthasarathy, Neel Mehta, Alistar J Ingram, Bo Gao, Joan C Krepinsky
Sterol regulatory element binding protein (SREBP) is an important potential mediator of kidney fibrosis, and is known to be upregulated in diabetic nephropathy. Here we evaluate the effectiveness of SREBP inhibition as treatment for diabetic nephropathy.Type 1 diabetes was induced in uninephrectomized male CD1 mice with streptozotocin. Mice were treated with the SREBP inhibitor fatostatin for 12 weeks. At endpoint, kidney function and pathology were assessed. Fatostatin inhibited the increase of both isoforms of SREBP (1 and 2) in diabetic kidneys...
February 5, 2018: Endocrinology
Junichi Hoshino, Kengo Furuichi, Masayuki Yamanouchi, Koki Mise, Akinari Sekine, Masahiro Kawada, Keiichi Sumida, Rikako Hiramatsu, Eiko Hasegawa, Noriko Hayami, Tatsuya Suwabe, Naoki Sawa, Shigeko Hara, Takeshi Fujii, Kenichi Ohashi, Kiyoki Kitagawa, Tadashi Toyama, Miho Shimizu, Kenmei Takaichi, Yoshifumi Ubara, Takashi Wada
BACKGROUND AND OBJECTIVES: The impact of the newly proposed pathological classification by the Japan Renal Pathology Society (JRPS) on renal outcome is unclear. So we evaluated that impact and created a new pathological scoring to predict outcome using this classification. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: A multicenter cohort of 493 biopsy-proven Japanese patients with diabetic nephropathy (DN) were analyzed. The association between each pathological factor-Tervaert' and JRPS classifications-and renal outcome (dialysis initiation or 50% eGFR decline) was estimated by adjusted Cox regression...
2018: PloS One
Hongxia Zhang, Yanlan Yang, Yanqin Wang, Baodong Wang, Rongshan Li
Background: Diabetic nephropathy (DN) is a major microvascular complication in diabetes. An increasing body of evidence has shown that DN is related to chronic inflammation, kidney hypertrophy, and fibrosis. While thalidomide has been shown to have anti-inflammatory and antifibrotic effects, the effects of thalidomide on the pathogenesis of DN are unclear. This study was undertaken to explore whether thalidomide has renal-protective effects in diabetic rats. Methods: Male Sprague Dawley rats were injected intraperitoneally with 50 mg/kg streptozotocin to induce diabetes...
2018: Drug Design, Development and Therapy
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