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Pathogenesis diabetic nephropathy

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https://www.readbyqxmd.com/read/29770444/pueraria-tuberosa-extract-inhibits-inos-and-il-6-through-suppression-of-pkc-%C3%AE-and-nf-kb-pathway-in-diabetes-induced-nephropathy
#1
Rashmi Shukla, Somanshu Banerjee, Yamini B Tripathi
OBJECTIVES: Inflammation plays an important role in the pathogenesis of diabetic nephropathy (DN). The aim of this study was to explore the anti-inflammatory role of PTY-2r (extracted from Pueraria tuberosa), on streptozotocin (STZ)-induced DN rats. METHODS: Diabetes was induced by intraperitoneal injection of STZ (55mg/kg) in rats. After 60 days, the rats were randomly divided into three groups (n = 6/each group), namely DN control group 2, DN rats treated with PTY-2r at dose of 100 mg/100 g, group 3 and 50 mg/100 g, group 4, p...
May 16, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29769602/computational-identification-and-validation-of-alternative-splicing-in-zsf1-rat-rna-seq-data-a-preclinical-model-for-type-2-diabetic-nephropathy
#2
Chi Zhang, Ken Dower, Baohong Zhang, Robert V Martinez, Lih-Ling Lin, Shanrong Zhao
Obese ZSF1 rats exhibit spontaneous time-dependent diabetic nephropathy and are considered to be a highly relevant animal model of progressive human diabetic kidney disease. We previously identified gene expression changes between disease and control animals across six time points from 12 to 41 weeks. In this study, the same data were analysed at the isoform and exon levels to reveal additional disease mechanisms that may be governed by alternative splicing. Our analyses identified alternative splicing patterns in genes that may be implicated in disease pathogenesis (such as Shc1, Serpinc1, Epb4...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769033/case-report-on-pathogenetic-link-between-gluten-and-iga-nephropathy
#3
Stefano Costa, Giovanni Currò, Salvatore Pellegrino, Maria Cristina Lucanto, Giovanni Tuccari, Antonio Ieni, Giuseppina Visalli, Giuseppe Magazzù, Domenico Santoro
BACKGROUND: A relationship between IgA nephropathy (IgAN) and celiac disease (CD) has been reported. We show the pathogenetic link for the first time. CASE PRESENTATION: A 39-year-old man with cystic fibrosis (CF) and CF-related diabetes started to present gross hematuria, back pain and headache. At admission, laboratory analysis showed increase in serum creatinine of 1.5 mg/dl, together with hematuria and mild proteinuria (1 g/24 h). He underwent a renal biopsy to investigate the cause of hematuria and renal failure...
May 16, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29765562/a-myriad-of-roles-of-mir-25-in-health-and-disease
#4
REVIEW
Márta Sárközy, Zsuzsanna Kahán, Tamás Csont
Small non-coding RNAs including microRNAs (miRNAs) have been recently recognized as important regulators of gene expression. MicroRNAs play myriads of roles in physiological processes as well as in the pathogenesis of a number of diseases by translational repression or mRNA destabilization of numerous target genes. The miR-106b-25 cluster is highly conserved in vertebrates and consists of three members including miR-106b, miR-93 and miR-25. MiR-106b and miR-93 share the same seed sequences; however, miR-25 has only a similar seed sequence resulting in different predicted target mRNAs...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29760122/perturbations-in-mitochondrial-dynamics-by-p66shc-lead-to-renal-tubular-oxidative-injury-in-human-diabetic-nephropathy
#5
Ming Zhan, Irtaza Usman, Jingbo Yu, Liemin Ruan, Xueyan Bian, Jun Yang, Shikun Yang, Lin Sun, Yashpal S Kanwar
Renal tubular injury is increasingly being recognized as an early characteristic of diabetic nephropathy (DN). Mitochondrial dynamic alterations and redox protein p66Shc-mediated oxidative stress are both critical for ensuing diabetic tubular cell injury and apoptosis; whether these two processes are interlinked remains unclear. In this study, we observed changes in mitochondrial morphology and expression of associated proteins in tubules of patients with DN. We demonstrated mitochondrial fragmentation as an important pathogenic feature of tubular cell injury that is linked to oxidative stress and p66Shc up-regulation...
May 14, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29756500/sirna-an-alternative-treatment-for-diabetes-and-associated-conditions
#6
Pravin Shende, Chirag Patel
Diabetes is a condition that is not completely treatable but life of a diabetic patient can be smoothed by preventing or delaying the associate conditions like diabetic retinopathy, nephropathy, impaired wound healing process etc. Apart from conventional methods to regulate diabetic condition, new techniques using siRNA have been emerged to prevent the associated conditions. This paper focuses on how siRNA used as a tool to silence the expression of genes which plays critical role in pathogenesis of these conditions...
May 14, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29740794/focal-segmental-glomerulosclerosis-with-heterozygous-apolipoprotein-e5-glu3lys
#7
Masaru Sasaki, Tetsuhiko Yasuno, Kenji Ito, Akira Matsunaga, Satoshi Hisano, Yasuhiro Abe, Katsuhisa Miyake, Kosuke Masutani, Hitoshi Nakashima, Takao Saito
Apolipoprotein (apo) E5 is a rare apoE isoform. The apoE5 (Glu3Lys) variant, which is caused by the substitution of lysine with glutamic acid at codon 3, has a relative frequency of 0.1% in Japan. Previous studies have reported that apoE5 (Glu3Lys) is associated with hyperlipidemia and cardiovascular diseases, but this isoform has higher LDL receptor-binding activity than that of normal apoE3. Nephropathy associated with apoE5 (Glu3Lys) alone has not yet been reported. We present a case of a 51-year-old man with nephrotic syndrome...
May 8, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29737531/specific-expression-network-analysis-of-diabetic-nephropathy-kidney-tissue-revealed-key-methylated-sites
#8
Yan-Zhe Wang, Wen-Wei Xu, Ding-Yu Zhu, Nan Zhang, Yong-Lan Wang, Miao Ding, Xin-Miao Xie, Lin-Lin Sun, Xiao-Xia Wang
Diabetic nephropathy (DN) is one of the most common and serious complication in diabetes patients. However, the evidences of gene regulation mechanism and epigenetic modification with DN remain unclear. Therefore, it is necessary to search regulating genes for early diagnosis on DN. We identified tissue specific genes through mining the gene expression omnibus (GEO) public database, enriched function by gene ontology (GO), and kyoto encyclopedia of genes and genomes (KEGG) analysis, and further compared tissue-specific network...
May 8, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29729954/complement-activation-in-patients-with-diabetic-nephropathy
#9
X-Q Li, D-Y Chang, M Chen, M-H Zhao
AIM: Emerging evidence has indicated a role of the complement system in the pathogenesis of diabetic nephropathy (DN), although the pathways of complement activation and their clinicopathological relevance in DN are as yet unclear. The present study aimed to investigate levels of various complement components in plasma and urine of DN patients, and their correlation with clinicopathological parameters. METHODS: A total of 68 biopsy-proven DN patients with plasma samples were recruited, including 50 patients who also had urine samples available...
April 16, 2018: Diabetes & Metabolism
https://www.readbyqxmd.com/read/29725042/reduced-autophagy-by-a-microrna-mediated-signaling-cascade-in-diabetes-induced-renal-glomerular-hypertrophy
#10
Supriya Deshpande, Maryam Abdollahi, Mei Wang, Linda Lanting, Mitsuo Kato, Rama Natarajan
Autophagy plays a key role in the pathogenesis of kidney diseases, however its role in diabetic nephropathy (DN), and particularly in kidney glomerular mesangial cells (MCs) is not very clear. Transforming Growth Factor- β1 (TGF-β), a key player in the pathogenesis of DN, regulates expression of various microRNAs (miRNAs), some of which are known to regulate the expression of autophagy genes. Here we demonstrate that miR-192, induced by TGF-β signaling, plays an important role in regulating autophagy in DN...
May 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29706358/the-role-of-cannabinoid-signaling-in-acute-and-chronic-kidney-diseases
#11
REVIEW
Federica Barutta, Graziella Bruno, Raffaella Mastrocola, Stefania Bellini, Gabriella Gruden
The endogenous cannabinoids anandamide and 2-arachidonoylglycerol bind to the cannabinoid receptors of type 1 and 2. These receptors are also the binding sites for exogenous, both natural and synthetic, cannabinoids that are used for recreation purposes. Until recently, cannabinoids and cannabinoid receptors have attracted little interest among nephrologists; however, a full endocannabinoid system (ECS) is present in the kidney and it has recently emerged as an important player in the pathogenesis of diabetic nephropathy, drug nephrotoxicity, and progressive chronic kidney disease...
April 26, 2018: Kidney International
https://www.readbyqxmd.com/read/29705354/effect-of-tet2-on-the-pathogenesis-of-diabetic-nephropathy-through-activation-of-transforming-growth-factor-%C3%AE-1-expression-via-dna-demethylation
#12
Yang Liling, Zhang Qian, Wu Qiong, Wei Yi, Yu Jiawei, Mu Jiao, Zhang Jun, Zeng Wei, Feng Bing
AIMS: Transforming growth factor β1 (TGFβ1) plays a pivotal role in the pathogenesis of diabetic nephropathy (DN). However, the mechanism of its expression and activation induced by high glucose (HG) is still unclear. We mainly explored the role of ten-eleven translocation enzyme-2 (TET2) in regulating TGFβ1 expression in the process of DN. MAIN METHODS: Human mesangial cells (HMCs) and db/db mice were used to analyze the biological effects of hyperglycemia both in vivo and in vitro...
April 26, 2018: Life Sciences
https://www.readbyqxmd.com/read/29682583/therapeutic-effects-of-tangshen-formula-on-diabetic-nephropathy-in-db-db-mice-using-cytokine-antibody-array
#13
Xue Mei Fan, Chun Lian Huang, Yi Ming Wang, Ning Li, Qiong Lin Liang, Guo An Luo
Objective: Cytokines are essential promoters in the pathogenesis of diabetic nephropathy (DN) in type 2 diabetes. The following study investigates the adjustment mechanism of Tangshen formula (TSF) on cytokine expressions in db/db mice (DN animal model). Materials and Methods: Db/db mice were randomly divided into three groups. The treated groups were orally administered with TSF and losartan for 12 weeks. Biochemical and histological examinations were determined at 8 and 12 weeks posttreatment, while the cytokine antibody array analysis was applied to analyze the expression of 144 cytokines in kidney tissues at the end of the 12th week posttreatment...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29675433/sweet-taste-receptors-mediated-ros-nlrp3-inflammasome-signaling-activation-implications-for-diabetic-nephropathy
#14
Luping Zhou, Wei Huang, Youhua Xu, Chenlin Gao, Ting Zhang, Man Guo, Yan Liu, Jingya Ding, Ludan Qin, Zihao Xu, Yang Long, Yong Xu
Previous studies demonstrated that ROS-NLRP3 inflammasome signaling activation was involved in the pathogenesis of diabetic nephropathy (DN). Recent research has shown that sweet taste receptors (STRs) are important sentinels of innate immunity. Whether high glucose primes ROS-NLRP3 inflammasome signaling via STRs is unclear. In this study, diabetic mouse model was induced by streptozotocin (STZ) in vivo; mouse glomerular mesangial cells (GMCs) and human proximal tubular cells were stimulated by high glucose (10, 20, and 30 mmol/L) in vitro; STR inhibitor lactisole was used as an intervention reagent to evaluate the role and mechanism of the STRs in the pathogenesis of DN...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29674190/urinary-angiotensinogen-excretion-in-australian-indigenous-and-non-indigenous-pregnant-women
#15
Kirsty G Pringle, Celine Corbisier de Meaultsart, Shane D Sykes, Loretta J Weatherall, Lyniece Keogh, Don C Clausen, Gus A Dekker, Roger Smith, Claire T Roberts, Kym M Rae, Eugenie R Lumbers
The intrarenal renin-angiotensin system (iRAS) is implicated in the pathogenesis of hypertension, chronic kidney disease and diabetic nephropathy. Urinary angiotensinogen (uAGT) levels reflect the activity of the iRAS and are altered in women with preeclampsia. Since Indigenous Australians suffer high rates and early onset of renal disease, we hypothesised that Indigenous Australian pregnant women, like non-Indigenous women with pregnancy complications, would have altered uAGT levels. The excretion of RAS proteins was measured in non-Indigenous and Indigenous Australian women with uncomplicated or complicated pregnancies (preeclampsia, diabetes/gestational diabetes, proteinuria/albuminuria, hypertension, small/large for gestational age, preterm birth), and in non-pregnant non-Indigenous women...
April 11, 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29673928/utility-of-urinary-biomarkers-as-a-diagnostic-tool-for-early-diabetic-nephropathy-in-patients-with-type-2-diabetes-mellitus
#16
Soorampally Vijay, Abdoul Hamide, Gandhipuram Periyasamy Senthilkumar, Vadivelan Mehalingam
INTRODUCTION: Renal tubulo-interstitial damage has an important role in the pathogenesis of early diabetic nephropathy. Urinary biomarkers can help in the detection of early nephropathy in type 2 diabetic patients. The aim of this study was to estimate the levels of urinary neutrophil gelatinase associated lipocalin (NGAL) and cystatin-C in type 2 diabetic patients with early diabetic nephropathy & to compare them with diabetic patients without nephropathy and to correlate urinary NGAL and cystatin-C levels with microalbuminuria in them...
April 12, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29643251/pharmacological-characterization-of-iw-1973-a-novel-soluble-guanylate-cyclase-stimulator-with-extensive-tissue-distribution-anti-hypertensive-anti-inflammatory-and-anti-fibrotic-effects-in-preclinical-models-of-disease
#17
Jenny V Tobin, Daniel P Zimmer, Courtney Shea, Peter Germano, Sylvie G Bernier, Guang Liu, Kim Long, Joy Miyashiro, Sheila Ranganath, Sarah Jacobson, Kim Tang, G-Yoon Jamie Im, James Sheppeck, Joel D Moore, Kristine Sykes, James Wakefield, Renee Sarno, Ali R Banijamali, Albert T Profy, G Todd Milne, Mark G Currie, Jaime L Masferrer
Soluble guanylate cyclase (sGC), a key signal-transduction enzyme, increases the conversion of guanosine-5'-triphosphate (GTP) to cyclic guanosine-3',5'-monophosphate (cGMP) upon binding of nitric oxide (NO). Endothelial dysfunction and/or reduced NO signaling have been implicated in cardiovascular disease pathogenesis and complications of diabetes, and have been associated with other disease states and aging. sGC stimulators are small-molecule drugs that bind sGC and enhance NO-mediated cGMP signaling. The pharmacological characterization of IW-1973, a novel clinical-stage sGC stimulator, is described...
April 11, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29626590/altered-expression-of-wfs1-and-notch2-genes-associated-with-diabetic-nephropathy-in-t2dm-patients
#18
Sahar A Sharaf, Nagwa A Kantoush, Dina F Ayoub, Alshaymaa A Ibrahim, Amaal A Abdelaal, Rokaya Abdel Aziz, Mahmoud M ElHefnawi, Amira N Ahmed
AIM: The increased incidence of type 2 diabetes mellitus (T2DM) and the importance of early identification and management of its complications, especially diabetic nephropathy (DN), have spotted the light on genetic factors that increase risk of T2DM and its related nephropathy. The present study aimed at investigating expression of (KCNJ11, ABCC8, JAZF1, WFS1, PPARG, NOTCH2 and EXOSC4) genes in peripheral blood of T2DM patients. METHOD: The study included 30 non-complicated T2DM patients, 30 patients with DN and 40 healthy controls...
April 4, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29621403/amelioration-of-diabetes-induced-diabetic-nephropathy-by-aloe-vera-implication-of-oxidative-stress-and-hyperlipidemia
#19
Mandeep Kumar Arora, Yogesh Sarup, Ritu Tomar, Mary Singh, Puspendra Kumar
This study investigated the effect of Aloe vera in diabetes-induced nephropathy in rats. As diabetes-associated hyperlipidemia and oxidative stress have been implicated in the pathogenesis of diabetic nephropathy, we evaluated the protective effect of whole leaf extract of Aloe vera on the basis of its hypolipidemic and antioxidative property. Aloe vera (300 mg/kg orally) has been noted to possess renoprotective effect in experimental diabetic nephropathy. However, its mechanism is not fully understood. Rats were administered streptozotocin (STZ) (55 mg/kg intraperitoneally once) to induce experimental diabetes mellitus...
April 5, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29587203/inhibitor-of-bruton-s-tyrosine-kinases-pci-32765-decreases-pro-inflammatory-mediators-production-in-high-glucose-induced-macrophages
#20
Zhe Fan, Yan Wang, Xingxin Xu, Yonggui Wu
Accumulating evidence has shown that macrophages play a vital role in development and pathogenesis of diabetic nephropathy (DN) by secreting inflammatory cytokines. Although Bruton's tyrosine kinases (Btk) is a biologically important molecule implicated in immune regulation, the role of Btk in high glucose (HG)-stimulated inflammatory response in macrophages and the mechanism involved need further investigation. In our study, we used bone marrow-derived macrophages (BMMs) to investigate the involvement of Btk on HG-induced inflammatory cytokines expression and to explore the underlying mechanisms...
March 24, 2018: International Immunopharmacology
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