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Diabetic nephropathy

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https://www.readbyqxmd.com/read/29229684/c-peptide-prevents-nf-%C3%AE%C2%BAb-from-recruiting-p300-and-binding-to-the-inos-promoter-in-diabetic-nephropathy
#1
Yanning Li, Xiaoping Li, Kunyu He, Bin Li, Kun Liu, Jinsheng Qi, Hui Wang, Yu Wang, Weigang Luo
C-peptide (CP) has demonstrated unique beneficial effects in diabetic nephropathy (DN), but whether and how CP regulates NF-κB and its coactivator, p300, to suppress inducible iNOS and antagonize DN are unknown. iNOS expression, NF-κB nuclear translocation, colocalization and binding of NF-κB to p300, binding of NF-κB to the inos promoter, and the bound NF-κB, p300, and histone 3 lysine 9 acetylation (H3K9ac) at binding sites were measured in high glucose-stimulated mesangial cells. We evaluated pathologic changes, iNOS expression, NF-κB, and p300 contents in diabetic rats...
December 11, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29229234/trans-resveratrol-mitigates-type-1-diabetes-induced-oxidative-dna-damage-and-accumulation-of-advanced-glycation-end-products-in-glomeruli-and-tubules-of-rat-kidneys
#2
Heba Al-Hussaini, Narayana Kilarkaje
Hyperglycemia induces the formation of advanced glycation end products (AGEs) and their receptors (RAGEs), which alter several intracellular signaling mechanisms leading to the onset and progression of diabetic nephropathy. The present study focused on, i) modulatory effects of trans-resveratrol (3,5,4'-trihydroxy-trans-stilbene) on structural changes, AGE (NƐ-carboxymethyl-lysine), RAGE, oxidative stress and DNA damage, and apoptosis, and ii) localization of fibrotic changes, AGE, RAGE, 8-oxo-dG and 4-hydroxynonenal (4-HNE) in diabetic rat kidneys...
December 8, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29228578/association-of-single-nucleotide-polymorphisms-in-the-rage-gene-and-its-gene-environment-interactions-with-diabetic-nephropathy-in-chinese-patients-with-type-2-diabetes
#3
Ying Zhang, Nan Jia, Feng Hu, Naijun Fan, Xiaohua Guo, Han Du, Changlin Mei, Chunfang Gao
Aims: To investigate the association of several single nucleotide polymorphisms (SNPs) within RAGE gene and additional gene- smoking interaction with diabetic nephropathy (DN) risk in Chinese patients with type 2 diabetes mellitus (T2DM). Methods: A total of 865 participants (570 males, 295 females) were selected, including 430 T2DM complicated DN patients and 435 controls (T2DM patients without DN). Generalized multifactor dimensionality reduction (GMDR) was used to screen the best interaction combination among SNPs and smoking...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227973/will-canagliflozin-lend-credence-to-the-potential-effects-of-sodium-glucose-co-transporter-2-inhibitors-on-renal-endpoints-in-diabetic-nephropathy
#4
Joshua J Neumiller, Connie M Rhee, Kamyar Kalantar-Zadeh
No abstract text is available yet for this article.
December 11, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29227582/role-of-the-sodium-hydrogen-exchanger-in-mediating-the-renal-effects-of-drugs-commonly-used-in-the-treatment-of-type-2-diabetes
#5
REVIEW
Milton Packer
Diabetes is characterized by an increased activity of the sodium-hydrogen exchanger (NHE) in the glomerulus and renal tubules, which contributes importantly to the development of nephropathy. Despite the established role played by the exchanger in experimental studies, it has not been specifically targeted by those seeking to develop novel pharmacological treatments for diabetes. This review demonstrates that many existing drugs that are commonly prescribed to patients with diabetes act on the NHE1 and NHE3 isoforms in the kidney...
December 11, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29227285/shifts-in-podocyte-histone-h3k27me3-regulate-mouse-and-human-glomerular-disease
#6
Syamantak Majumder, Karina Thieme, Sri N Batchu, Tamadher A Alghamdi, Bridgit B Bowskill, M Golam Kabir, Youan Liu, Suzanne L Advani, Kathryn E White, Laurette Geldenhuys, Karthik K Tennankore, Penelope Poyah, Ferhan S Siddiqi, Andrew Advani
Histone protein modifications control fate determination during normal development and dedifferentiation during disease. Here, we set out to determine the extent to which dynamic changes to histones affect the differentiated phenotype of ordinarily quiescent adult glomerular podocytes. To do this, we examined the consequences of shifting the balance of the repressive histone H3 lysine 27 trimethylation (H3K27me3) mark in podocytes. Adriamycin nephrotoxicity and subtotal nephrectomy (SNx) studies indicated that deletion of the histone methylating enzyme EZH2 from podocytes decreased H3K27me3 levels and sensitized mice to glomerular disease...
December 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29227003/association-between-end-stage-diabetic-nephropathy-and-mthfr-c677t-and-a1298c-gene-polymorphisms
#7
Gnanasambandan Ramanathan, Bollimpalli Harichandana, Suresh Kannan, Ramprasad Elumalai, Solomon Paul
AIM: Methylenetetrahydrofolate reductase (MTHFR) is a regulatory enzyme of homocysteine metabolism. The C677T and A1298C polymorphism of the MTHFR gene has been reported to be associated with elevated plasma homocysteine in patients with Diabetic nephropathy. This study aimed to investigate the influence of the C677T and A1298C polymorphisms on the progression chronic kidney disease in diabetic nephropathy of south Indian population. METHODS: We genotyped 145 DN cases and 100 controls for the C677T and A1298C polymorphisms using PCR-RFLP based protocols, and all diabetic nephropathy cases divided into two groups based on CKD stages: 60 DN cases were early stage (CKD1 to CKD3) and 85 DN cases were advanced stage (CKD4 and CKD5)...
December 11, 2017: Nephrology
https://www.readbyqxmd.com/read/29225515/anticancer-activity-of-astragalus-polysaccharide-in-human-non-small-cell-lung-cancer-cells
#8
Chao-Yan Wu, Yuan Ke, Yi-Fei Zeng, Ying-Wen Zhang, Hai-Jun Yu
Background: We have reported that Chinese herbs Astragalus polysaccharide (APS) can inhibit nuclear factor kappaB (NF-κB) activity during the development of diabetic nephropathy in mice. NF-κB plays important roles in genesis, growth, development and metastasis of cancer. NF-κB is also involved in the development of treatment resistance in tumors. Here we investigated the antitumor activity of APS in human non-small cell lung cells (A549 and NCI-H358) and the related mechanisms of action...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29224015/renal-resistive-index-as-a-novel-indicator-for-renal-complications-in-high-fat-diet-fed-mice
#9
Hairong Xu, Zejun Ma, Shan Lu, Rui Li, Liangkun Lyu, Lexi Ding, Qiulun Lu
BACKGROUND/AIMS: The renal resistive index (RI) is a novel candidate as a renal injury prognostic indicator, but it remains unclear how renal RI levels correspond to renal injury in diabetic nephropathy. METHODS: To examine this issue, we compared 8-week-old male C57BL/6 mice fed with high-fat diet (HFD) versus chow diet (CHD) for 16 weeks. At 8 and 12 weeks, the glomerular filtration rate (GFR), urinary albumin-to-creatinine ratio (UACR), and inflammatory factors (IL-1β, IL-6, TNFα, and MCP-1) were measured, along with the increase in renal RI...
December 7, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29223856/modulation-of-glutathione-peroxidase-activity-by-age-dependent-carbonylation-in-glomeruli-of-diabetic-mice
#10
Tanja Wiedenmann, Nadine Dietrich, Thomas Fleming, Sandro Altamura, Leo E Deelman, Rob H Henning, Martina U Muckenthaler, Peter P Nawroth, Hans-Peter Hammes, Andreas H Wagner, Markus Hecker
AIMS: Low levels of reactive oxygen species and resulting oxidative protein modifications may play a beneficial role in cellular function under stress conditions. Here we studied the influence of age-dependent protein carbonylation on expression and activity of the anti-oxidative selenoenzyme glutathione peroxidase (GPx) in insulin-deficient Ins2Akita mice and type 2 diabetic obese db/db mice in context of diabetic nephropathy. METHODS: Protein carbonylation, GPx expression and activity were examined in kidney tissue and lysates by common histological and protein biochemical methods...
November 22, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29223646/exploring-the-effects-of-dpp-4-inhibitors-on-the-kidney-from-the-bench-to-clinical-trials
#11
REVIEW
Giuseppe Coppolino, Christian Leporini, Laura Rivoli, Francesco Ursini, Eugenio Donato di Paola, Valeria Cernaro, Franco Arturi, Davide Bolignano, Emilio Russo, Giovambattista De Sarro, Michele Andreucci
Dipeptidyl-peptidase-4 (DPP-4) inhibitors are a relatively new class of non-insulin glucose-lowering agents, belonging to the incretin family, which are able to improve glycemic control with a favorable safety profile, since they are associated with a low risk of hypoglycemia, no weight gain, and good tolerability in patients with chronic renal failure. Some experimental and clinical studies suggest that these drugs may exert significant pleiotropic effects, in particular on chronic kidney disease (CKD) progression, but data from clinical trials are still controversial...
December 6, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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
#12
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/29222368/novel-lncrna-erbb4-ir-promotes-diabetic-kidney-injury-in-db-db-mice-by-targeting-mir-29b
#13
Si F Sun, Patrick Mk Tang, Min Feng, Xiao Jun, Xiao R Huang, Ping Li, Ronal Cw Ma, Hui Y Lan
TGF-β/Smad signaling plays an important role in diabetic nephropathy. The present study identified a novel Smad3-dependent long non-coding RNA (lncRNA) Erbb4-IR in the development of type-2 diabetic nephropathy (T2DN) in db/db mice. We found that Erbb4-IR was highly expressed in T2DN of db/db mice and was specifically induced by AGE via a Smad3-dependent mechanism. The functional role of Erbb4-IR in T2DN was revealed by kidney-specific silencing of Erbb4-IR to protect against the development of T2DN such as elevated microalbuminuria, serum creatinine and progressive renal fibrosis in db/db mice, and to block AGE-induced collagen I and IV expression in mouse mesangial cells (mMCs) and mouse tubular epithelial cells (mTECs)...
December 8, 2017: Diabetes
https://www.readbyqxmd.com/read/29221422/total-flavones-of-abelmoschus-manihot-improve-diabetic-nephropathy-by-inhibiting-the-irhom2-tace-signalling-pathway-activity-in-rats
#14
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/29218029/microvascular-complications-in-type-1-diabetes-a-comparative-analysis-of-patients-treated-with-autologous-nonmyeloablative-hematopoietic-stem-cell-transplantation-and-conventional-medical-therapy
#15
Jaquellyne G Penaforte-Saboia, Renan M Montenegro, Carlos E Couri, Livia A Batista, Ana Paula D R Montenegro, Virginia O Fernandes, Hussain Akhtar, Carlos A Negrato, Kelen Cristina Ribeiro Malmegrim, Daniela Aparecida Moraes, Juliana B E Dias, Belinda P Simões, Marilia Brito Gomes, Maria Carolina Oliveira
Objective: To explore the impact on microvascular complications, long-term preservation of residual B-cell function and glycemic control of patients with type 1 diabetes treated with autologous nonmyeloablative hematopoietic stem-cell transplantation (AHST) compared with conventional medical therapy (CT). Research design and methods: Cross-sectional data of patients treated with AHST were compared with patients who received conventional therapy from the Brazilian Type 1 Diabetes Study Group, the largest multicenter observational study in type 1 diabetes mellitus in Brazil...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29216336/managing-diabetic-kidney-disease
#16
Sagen Zac-Varghese, Peter Winocour
Introduction: Diabetes mellitus (DM) is the leading cause of chronic kidney disease (CKD). This review covers the pillars of care essential for the management of diabetic kidney disease (DKD) including (1) early diagnosis, (2) improved glycaemic control, (3) treatment of hypertension, (4) identification and treatment of associated metabolic bone disease and (5) identification and effective management of dyslipidaemia and additional cardiovascular risk factors. Sources of data: We searched PubMed for articles using search terms: diabetic nephropathy, diabetic kidney disease, diabetes and chronic kidney disease...
December 5, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/29214987/influence-of-c-reactive-protein-on-the-occurrence-and-assessing-of-albuminuria-severity-in-diabetics
#17
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/29214163/protective-effects-of-pyridoxamine-supplementation-in-the-early-stages-of-diet-induced-kidney-dysfunction
#18
F Chiazza, A S Cento, D Collotta, D Nigro, G Rosa, F Baratta, V Bitonto, J C Cutrin, M Aragno, R Mastrocola, M Collino
Pyridoxamine, a structural analog of vitamin B6 that exerts antiglycative effects, has been proposed as supplementary approach in patients with initial diabetic nephropathy. However, the molecular mechanism(s) underlying its protective role has been so far slightly examined. C57Bl/6J mice were fed with a standard diet (SD) or a diet enriched in fat and fructose (HD) for 12 weeks. After 3 weeks, two subgroups of SD and HD mice started pyridoxamine supplementation (150 mg/kg/day) in the drinking water. HD fed mice showed increased body weight and impaired glucose tolerance, whereas pyridoxamine administration significantly improved insulin sensitivity, but not body weight, and reduced diet-induced increase in serum creatinine and urine albumin...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29214160/mir-217-is-a-useful-diagnostic-biomarker-and-regulates-human-podocyte-cells-apoptosis-via-targeting-tnfsf11-in-membranous-nephropathy
#19
Jing Li, Bin Liu, Hen Xue, Qiao Qiao Zhou, Ling Peng
Background: MicroRNAs have recently been verified as useful diagnostic biomarkers in various diseases. In this study, we investigated whether miR-217 is a useful diagnostic biomarker and the possible pathological mechanism of miR-217 in this disease. Methods: Patients with focal segmental glomerulosclerosis (FSGS), membranous nephropathy (MN), and diabetic nephropathy (DN) and control patients were enrolled in this study. The miR-217 inhibitor and mimics were transfected into human podocyte cells to investigate the pathological mechanism of miR-217 in this disease...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29212780/excitatory-gabaergic-action-and-increased-vasopressin-synthesis-in-hypothalamic-magnocellular-neurosecretory-cells-underlie-the-high-plasma-level-of-vasopressin-in-diabetic-rat
#20
Young-Beom Kim, Woong Bin Kim, Won Woo Jung, Xiangyan Jin, Yoon Sik Kim, Byoungjae Kim, Hee Chul Han, Gene D Block, Christopher S Colwell, Yang In Kim
Diabetes mellitus (DM) is associated with increased plasma levels of arginine-vasopressin (AVP) which may aggravate hyperglycemia and nephropathy. However, the mechanisms by which DM may cause the increased AVP levels are not known. Electrophysiological recordings in the supraoptic nucleus (SON) slices from streptozotocin-induced DM model (STZ) rats and vehicle-treated control rats revealed that GABA functions generally as an excitatory neurotransmitter in the AVP neurons of STZ rats, whereas it evoked usually inhibitory responses in the cells of control animals...
December 6, 2017: Diabetes
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