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diabetes, diabetic nephropathy

Xiuli Zhang, Dan Liang, Xu Lian, Zhi-Hong Chi, Xuemei Wang, Yue Zhao, Zhang Ping
There is emerging evidence that tubulointerstitial fibrosis is the final common pathway of the majority of chronic progressive renal diseases, including diabetic nephropathy (DN). Zinc, an essential dietary element, has been suggested to be important for a number of protein functions during fibrosis in vivo and in vitro. However, the effect of zinc deficiency (ZnD) on renal interstitial fibrosis in DN remains unclear. The present study investigated the effect and the underlying mechanisms of ZnD on renal interstitial fibrosis during DN using an streptozotocin‑induced model of diabetes with immunofluorescence staining and western blot analysis...
October 20, 2016: Molecular Medicine Reports
Shun-Jin Hu, Bing Shu, Hua Jin, Xiao-Feng Li, Jia-Rong Mao, Ke-Jun Ren, Lei Gao, Li Yang, You-Wan Wu, Yong-Jun Wang
OBJECTIVE: To evaluate the renal protective effect of Tangshenkang Granule () in a rat model of diabetic nephropathy (DN). METHODS: Forty male Sprague-Dawley rats were randomly divided into control, DN, Tangshenkang and benazepril groups. DN model was established in the rats of DN, Tangshenkang and benazepril groups. Tangshenkang Granule solution and benazepril hydrochloride solution were intragastrically administered daily to the rats in the Tangshenkang and benazepril groups for 8 weeks, respectively...
October 24, 2016: Chinese Journal of Integrative Medicine
Rintaro Saito, Anaïs Rocanin-Arjo, Young-Hyun You, Manjula Darshi, Benjamin Van Espen, Satoshi Miyamoto, Jessica Pham, Minya Pu, Simone Romoli, Loki Natarajan, Wenjun Ju, Matthias Kretzler, Robert Nelson, Keiichiro Ono, Dana Thomasova, Shrikant R Mulay, Trey Ideker, Vivette D'Agati, Ergin Beyret, Juan Carlos Izpisua Belmonte, Hans Joachim Anders, Kumar Sharma
To derive new insights in diabetic complications, we integrated publicly available human protein-protein interaction (PPI) networks with global metabolic networks using metabolomic data from patients with diabetic nephropathy. We focused on the participating proteins in the network that were computationally predicted to connect the urine metabolites. MDM2 had the highest significant number of PPI connections. As validation, significant downregulation of MDM2 gene expression was found in both glomerular and tubulointerstitial compartments of kidney biopsy tissue from 2 independent cohorts of patients with diabetic nephropathy...
October 20, 2016: JCI Insight
Yasutaka Tajima, Mariko Matsumura, Hiroaki Yaguchi, Yasunori Mito
In rare instances, recipients of organ transplants from human T-lymphotropic virus type I- (HTLV-I-) positive donors reportedly developed neurologic symptoms due to HTLV-I-associated myelopathy (HAM). We present herein two cases of HAM associated with renal transplantation from HTLV-I seropositive living-donors. The first patient was a 42-year-old woman with chronic renal failure for twelve years and seronegative for HTLV-I. She underwent renal transplantation with her HTLV-I seropositive mother as the donor, and she developed HAM three years after the transplantation...
2016: Case Reports in Neurological Medicine
Y-F Huang, Y Zhang, C-X Liu, J Huang, G-H Ding
OBJECTIVE: Hyperglycemia induces apoptosis of renal tubular epithelial cells and contributes to tubular injury in diabetic nephropathy. Angiotensin-converting enzyme 2 (ACE2) is known to protect against diabetic kidney injury. However, the mechanism for the dysregulation of ACE2 expression in diabetic nephropathy is unclear. MATERIALS AND METHODS: Bioinformatic analysis and luciferase reporter assay were done to identify ACE2-targeting microRNAs. Gain- and loss-of-function experiments were performed to determine the biological roles of the ACE2-targeting microRNAs in high glucose-induced damage to renal tubular epithelial cells...
October 2016: European Review for Medical and Pharmacological Sciences
Amal H Hamza, Widad M Al-Bishri, Laila A Damiati, Hanaa H Ahmed
BACKGROUND: The progresses made in stem cell therapy offer an innovative approach and exhibit great potential for the repair of damaged organs and tissues. This study was conducted with a view to find the mechanisms responsible for the effectiveness of bone marrow-derived mesenchymal stem cells (BM-MSCs) in the suppression of diabetes and experimentally-induced diabetic nephropathy. METHODS: To realize this objective, diabetic and diabetic nephropathy subject groups that underwent MSC treatment were studied through numerous biochemistry and molecular genetics analyses...
October 23, 2016: Renal Failure
Xiaocui Jiao, Ying Li, Tao Zhang, Maodong Liu, Yanqing Chi
The apoptosis of renal tubular epithelial cells contributes to the pathogenesis of diabetic nephropathy. High glucose-induced mitochondrial oxidative stress is considered to be an important mediator for renal tubular cell apoptosis. Sirtuin3(Sirt3), a kind of mitochondria-localized nicotinamide adenine dinucleotide(NAD(+))-dependent protein deacetylase, has been reported to regulate the generation of ROS in mitochondria through regulating acetylation level and activity of several key mitochondrial enzymes. In this study, we investigated the role of Sirt3 on high glucose-induced apoptosis in HK-2 cells...
October 20, 2016: Biochemical and Biophysical Research Communications
Hermann Koepsell
Orally applied SGLT2 (SLC5A2) inhibitors that enter the blood and decrease renal reabsorption of glucose have been approved as antidiabetic drugs. They decrease blood glucose levels, slightly reduce body weight and blood pressure, and decrease the risk for diabetic nephropathy. The SGLT2 inhibitor empagliflozin has been shown to reduce the risk of severe cardiac failure. This review summarizes knowledge about the functions of SGLT2 and the pathophysiology of type 2 diabetes (T2D) and diabetic follow-up diseases...
October 20, 2016: Pharmacology & Therapeutics
R M Bruno, K D Reesink, L Ghiadoni
AIM: The present paper is a selective review on the methodology and clinical significance of techniques to assess specifically endothelial function, carotid mechanics and renal vascular function, particularly in the light of vascular dysfunction in metabolic syndrome and type 2 diabetes. DATA SYNTHESIS: Endothelial dysfunction appears to be earlier detectable in the microcirculation of patients with altered glucose metabolism, while it attains significance in the macrocirculation at more advanced disease stages...
September 15, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Esmeralda Castillo-Rodriguez, Raul Fernandez-Prado, Catalina Martin-Cleary, Maria Soledad Pizarro-Sánchez, Maria Dolores Sanchez-Niño, Ana Belen Sanz, Beatriz Fernandez-Fernandez, Alberto Ortiz
The current categorization of chronic kidney disease (CKD) is based on biomarkers of the glomerular function (estimated glomerular filtration rate, eGFR) and injury (urinary albumin creatinine ratio, UACR) and provides information on the risk of death and of progression of kidney disease. However, there are gaps in knowledge regarding the risk stratification of elderly patients with eGFR 45-60 ml/min/1.73 m2 and of younger patients with higher eGFR but physiological albuminuria. In this regard, most of the kidney cell mass is composed of tubules...
October 22, 2016: Nephron
XinWang Zhu, CongXiao Zhang, QiuLing Fan, XiaoDan Liu, Gang Yang, Yi Jiang, LiNing Wang
BACKGROUND Diabetic nephropathy (DN) is the most lethal diabetic microvascular complication; it is a major cause of renal failure, and an increasingly globally prominent healthcare problem. MATERIAL AND METHODS To identify susceptible microRNAs for the pathogenesis of DN and the targets of losartan treatment, microRNA arrays were employed to survey the glomerular microRNA expression profiles of KKAy mice treated with or without losartan. KKAy mice were assigned to either a losartan-treated group or a non-treatment group, with C57BL/6 mice used as a normal control...
October 22, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Emilie Hein Zobel, Bernt Johan von Scholten, Morten Lindhardt, Frederik Persson, Tine Willum Hansen, Peter Rossing
AIMS/HYPOTHESIS: Management of diabetic nephropathy includes reduction of albuminuria, blood pressure and weight. The GLP-1 receptor agonist liraglutide may possess these pleiotropic effects in addition to the glucose lowering effect. We aimed to elucidate the individual liraglutide treatment response by determining if high responders (highest reduction) in each risk factor also had high response in other renal risk factors (cross-dependency). METHODS: Open-label study: 31 type 2 diabetics treated with liraglutide for 7weeks...
September 30, 2016: Journal of Diabetes and its Complications
Wilson Kc Leung, L Gao, Parco M Siu, Christopher Wk Lai
An explosion in global epidemic of type 2 diabetes mellitus poses major rise in cases with vascular endothelial dysfunction ranging from micro- (retinopathy, nephropathy and neuropathy) to macro-vascular (atherosclerosis and cardiomyopathy) conditions. Functional destruction of endothelium is regarded as an early event that lays the groundwork for the development of renal microangiopathy and subsequent clinical manifestation of nephropathic symptoms. Recent research has shed some light on the molecular mechanisms of type 2 diabetes-associated comorbidity of endothelial dysfunction and nephropathy...
October 17, 2016: Life Sciences
Mei-Rong Du, Gui-Xia Ju, Nian-Sheng Li, Jun-Lin Jiang
Microvascular complications are the leading causes of acquired blindness, end-stage renal failure, and varieties of neuropathy associated with diabetes. Asymmetric dimethylarginine (ADMA), an endogenous nitric oxide synthase inhibitor, is involved in endothelial dysfunction, oxidative stress, and inflammation associated with the progression of diabetic microvascular complications. Elevated ADMA has been detected in experimental animals and patients with diabetic microangiopathy like retinopathy, nephropathy, and neuropathy...
October 2016: Journal of Cardiovascular Pharmacology
Jianyin Long, Shawn S Badal, Zengchun Ye, Yin Wang, Bernard A Ayanga, Daniel L Galvan, Nathanael H Green, Benny H Chang, Paul A Overbeek, Farhad R Danesh
The regulatory roles of long noncoding RNAs (lncRNAs) in transcriptional coactivators are still largely unknown. Here, we have shown that the peroxisome proliferator-activated receptor γ (PPARγ) coactivator α (PGC-1α, encoded by Ppargc1a) is functionally regulated by the lncRNA taurine-upregulated gene 1 (Tug1). Further, we have described a role for Tug1 in the regulation of mitochondrial function in podocytes. Using a murine model of diabetic nephropathy (DN), we performed an unbiased RNA-sequencing (RNA-seq) analysis of kidney glomeruli and identified Tug1 as a differentially expressed lncRNA in the diabetic milieu...
October 17, 2016: Journal of Clinical Investigation
A Pandey, Keshri S Yadav, Gaurav Singh, M Chaturvedi
Kyrle's disease is a rare skin disorder which is characterized by hyperkeratotic papules and nodules with a central keratotic plug mostly located in lower limbs. Exact etiology of Kyrle's disease is unknown, but its association has been reported sparsely with renal disorders, uremic patients on dialysis, diabetes mellitus, liver disease and paraneoplastic syndromes, tuberculosis and some fungal diseases. We report Kyrle's disease in a middle aged female suffering from diabetes mellitus with diabetic nephropathy on hemodialysis...
July 2016: Journal of the Association of Physicians of India
M Jija Jose, Vipin Varkey, R Chandni, P A Zubaida, Jean Maliekkal
OBJECTIVE: To study the relation of smoking and abnormal renal function in type 2 diabetes mellitus by estimating urine protein- creatinine ratio, blood urea, serum creatinine, glomerular filtration rate and serum lipid profile in selected subjects. METHODS: Diabetic patients who attended the Diabetic Clinic, Medical College, Kozhikode were enrolled in the study. The study duration was 6 months, from July 2008 to December 2008. It was conducted in four groups of 40 subjects: diabetic smokers, diabetic non-smokers, non-diabetic smokers and non-diabetic non-smokers...
July 2016: Journal of the Association of Physicians of India
Leena Liljedahl, Maiken Højgaard Pedersen, Jenny Norlin, James N McGuire, Peter James
BACKGROUND: Diabetic nephropathy (DN) is a late complication in both type 1 diabetes mellitus (T1DM) and T2DM. Already at an early stage of DN morphological changes occur at the cell surface and in the extracellular matrix where the majority of the proteins carry N-linked glycosylations. These glycosylated proteins are highly important in cell adhesion and cell-matrix processes but not much is known about how they change in DN or whether the distinct etiology of T1DM and T2DM could have an effect on their abundances...
2016: Clinical Proteomics
Smeeta Sadar, Dipti Kaspate, Neeraj Vyawahare
Diabetic nephropathy is a serious microvascular complication and one of the main causes of end-stage renal disease. L-Glutamine (LG) is naturally occurring amino acids with antidiabetic and antioxidant potential. The aim of present investigation was to evaluate the potential of LG against streptozotocin (STZ)-induced diabetic nephropathy (DN) in laboratory rats. DN was induced in male Wistar rats (200-220 g) by intraperitoneal administration of STZ (55 mg/kg). Animals were treated orally with either distilled water (10 mg/kg) or LG (250, 500, and 1000 mg/kg) or Sitagliptin (5 mg/kg)...
October 19, 2016: Renal Failure
Mehmet Ali Cikrikcioglu, Zeynep Erturk, Elif Kilic, Kenan Celik, Iskender Ekinci, Ayse Irem Yasin Cetin, Tuba Ozkan, Guven Cetin, Shute Ailia Dae, Rumeyza Kazancioglu, Reha Erkoc
BACKGROUND: Endocan is a newly identified proteoglycan released from endothelium, stimulating angiogenesis and when increased, indicates endothelial activation (inflammation). Our aim was to examine the association between serum endocan levels and urine albumin-creatinine ratio (UACR). METHOD: One hundred and thirty-seven patients with type 2 diabetes mellitus and normal serum creatinine who had no co-morbidities other than hypertension, diabetic nephropathy, retinopathy, or neuropathy were divided into normoalbuminuria (G1), microalbuminuria (G2), and macroalbuminuria (G3) groups and compared cross-sectionally regarding serum endocan levels...
October 18, 2016: Renal Failure
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