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diabetes, diabetic nephropathy

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https://www.readbyqxmd.com/read/28820432/rho-kinase-blockade-attenuates-podocyte-apoptosis-by-inhibiting-the-notch-signaling-pathway-in-diabetic-nephropathy
#1
Keiichiro Matoba, Daiji Kawanami, Yosuke Nagai, Yusuke Takeda, Tomoyo Akamine, Sho Ishizawa, Yasushi Kanazawa, Tamotsu Yokota, Kazunori Utsunomiya
Podocyte apoptosis is a key process in the onset of diabetic nephropathy. A significant body of evidence shows that the Notch signaling pathway plays a central role in this process. We found that Rho-kinase mediates transforming growth factor β (TGF-β)-induced Notch ligand Jag1 expression. Importantly, TGF-β-mediated podocyte apoptosis was attenuated by Rho-kinase inhibition. Mechanistically, Rho-kinase regulated Jag1 induction via the extracellular signal-regulated kinase (ERK) 1/2 and c-Jun N-terminal kinase (JNK) but not Smad pathways...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820061/renin-angiotensin-system-and-cytokines-in-chronic-kidney-disease-clinical-and-experimental-evidence
#2
Ariadna Andrade Saldanha Silva, Beranardo Bahia Finotti, Amanda Oliveira Lauar, Thiago Ruiz Rodrigues Prestes, Ana Cristina Simões E Silva
Chronic kidney disease (CKD) has become a major public health problem in Brazil and worldwide. There are many causes of CKD, being the congenital anomalies of the kidney and urinary tract and the glomerular diseases very common in pediatric patients, while diabetic nephropathy, CKD due to chronic arterial hypertension and glomerular diseases are predominant in adult patients. Many endogenous mediators have been related to the pathophysiology of CKD, being relevant the effects of the renin-angiotensin system (RAS) and the immune-inflammatory mediators including cytokines...
August 18, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28819999/high-glucose-induces-hgf-independent-activation-of-met-receptor-in-human-renal-tubular-epithelium
#3
Lucia Mesarosova, Peter Ochodnicky, Jaklien C Leemans, Sandrine Florquin, Peter Krenek, Jan Klimas
CONTEXT: The role of hepatocyte growth factor (HGF) in diabetic kidney damage remains controversial. OBJECTIVE: To test the hypothesis that high glucose levels activate pathways related to HGF and its receptor Met and that this could participate in glucose-induced renal cell damage. MATERIALS AND METHODS: HK2 cells, a human proximal tubule epithelial cell line, were stimulated with high glucose for 48 hours. Levels of pMet/Met, pEGFR/EGFR, pSTAT3/STAT3, pAkt/Akt and pERK1/2/ERK1/2 were studied by immunoblotting...
August 18, 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28819987/maximum-home-blood-pressure-is-a-useful-indicator-of-diabetic-nephropathy-in-patients-with-type-2-diabetes-mellitus-kamogawa-hbp-study
#4
Chikako Oyabu, Emi Ushigome, Shinobu Matsumoto, Toru Tanaka, Goji Hasegawa, Naoto Nakamura, Masayoshi Ohnishi, Sei Tsunoda, Hidetaka Ushigome, Isao Yokota, Muhei Tanaka, Mai Asano, Masahiro Yamazaki, Michiaki Fukui
OBJECTIVE: Maximum home systolic blood pressure has been shown to predict target organ damage. We aimed to clarify the association between maximum home systolic blood pressure and urine albumin to creatinine ratio, an indicator of early-phase diabetic nephropathy in patients with type 2 diabetes. METHODS: In 1040 patients, we assessed the relationship of mean or maximum home systolic blood pressure and urine albumin to creatinine ratio, and compared the area under the receiver operating characteristic curve of mean or maximum home systolic blood pressure for diabetic nephropathy (urine albumin to creatinine ratio ⩾30 mg/g Cr)...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28819200/periostin-binding-dna-aptamer-treatment-attenuates-renal-fibrosis-under-diabetic-conditions
#5
Jae Eun Um, Jung Tak Park, Bo Young Nam, Jung Pyo Lee, Jong Ha Jung, Youndong Kim, Seonghun Kim, Jimin Park, Meiyan Wu, Seung Hyeok Han, Tae-Hyun Yoo, Shin-Wook Kang
Diabetic nephropathy, the major cause of chronic kidney disease, is associated with progressive renal fibrosis. Recently, accumulation of periostin, an extracellular matrix protein, was shown to augment renal fibrosis. Aptamers have higher binding affinities without developing the common side effects of antibodies. Thus, we evaluated the effect of periostin inhibition by an aptamer-based inhibitor on renal fibrosis under diabetic conditions. In vitro, transforming growth factor-β1 (TGF-β1) treatment significantly upregulated periostin, fibronectin, and type I collagen mRNA and protein expressions in inner medullary collecting duct (IMCD) cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817863/prevention-detection-and-management-of-diabetes-in-south-dakota
#6
Amy L Hogue, Mark K Huntington
Diabetes mellitus (DM) is increasing in prevalence nationwide and in South Dakota, with an especially high prevalence in its American Indian population. Screening is not recommended for type 1 DM, but is for type 2 DM and pre-diabetes in certain populations. Fasting glucose, two-hour glucose tolerance test, or hemoglobin A1c are appropriate screening options. Treatment can include diabetic self-management education programs and medications. In addition to glycemic control, other cardiovascular risk factors must be reduced in these patients and specific testing and consultations should be performed to detect complications such as nephropathy or retinopathy...
2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28816537/evaluating-the-prescription-of-angiotensin-converting-enzyme-inhibitors-or-receptor-blockers-in-patients-with-diabetes-in-jordan
#7
Fadia Mayyas, Wa'ed Bataineh, Anan Jarab
OBJECTIVE: The angiotensin converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are guideline-recommended agents to prevent development and progression of nephropathy and cardiovascular diseases in diabetic Mellitus (DM). The aim of this study was to evaluate the prescription of ACEIs/ARBs in DM patients with guideline indications. METHOD: electronic data files for diabetes patients were retrospectively reviewed at a primary care setting northern Jordan...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28816120/b-vitamins-in-stroke-prevention-time-to-reconsider
#8
REVIEW
J David Spence, Qilong Yi, Graeme J Hankey
B vitamin therapy lowers plasma total homocysteine concentrations, and might be a beneficial intervention for stroke prevention; however, cyanocobalamin (a form of vitamin B12) can accelerate decline in renal function and increase the risk of cardiovascular events in patients with impaired renal function. Although early trials did not show benefit in reduction of stroke, these results might have been due to harm in participants with impaired renal function. In patients with diabetic nephropathy, cyanocobalamin is harmful, whereas B vitamins appear to reduce cardiovascular events in study participants with normal renal function...
September 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28814814/umbilical-cord-extracts-improve-diabetic-abnormalities-in-bone-marrow-derived-mesenchymal-stem-cells-and-increase-their-therapeutic-effects-on-diabetic-nephropathy
#9
Kanna Nagaishi, Yuka Mizue, Takako Chikenji, Miho Otani, Masako Nakano, Yusaku Saijo, Hikaru Tsuchida, Shinichi Ishioka, Akira Nishikawa, Tsuyoshi Saito, Mineko Fujimiya
Bone marrow-derived mesenchymal stem cells (BM-MSC) has been applied as the most valuable source of autologous cell transplantation for various diseases including diabetic complications. However, hyperglycemia may cause abnormalities in intrinsic BM-MSC which might lose sufficient therapeutic effects in diabetic patients. We demonstrated the functional abnormalities in BM-MSC derived from both type 1 and type 2 diabetes models in vitro, which resulted in loss of therapeutic effects in vivo in diabetic nephropathy (DN)...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28813476/paratubular-basement-membrane-insudative-lesions-predict-renal-prognosis-in-patients-with-type-2-diabetes-and-biopsy-proven-diabetic-nephropathy
#10
Koki Mise, Yutaka Yamaguchi, Junichi Hoshino, Toshiharu Ueno, Akinari Sekine, Keiichi Sumida, Masayuki Yamanouchi, Noriko Hayami, Tatsuya Suwabe, Rikako Hiramatsu, Eiko Hasegawa, Naoki Sawa, Takeshi Fujii, Shigeko Hara, Hitoshi Sugiyama, Hirofumi Makino, Jun Wada, Kenichi Ohashi, Kenmei Takaichi, Yoshifumi Ubara
AIMS: Glomerular insudative lesions are a pathological hallmark of diabetic nephropathy (DN). However, paratubular basement membrane insudative lesions (PTBMIL) have not attracted much attention, and the association between such lesions and the renal prognosis remains unclear. METHODS: Among 142 patients with biopsy-proven DN and type 2 diabetes encountered from 1998 to 2011, 136 patients were enrolled in this study. Patients were classified into 3 groups (Group 1: mild, Group 2: moderate, Group 3: severe) according to the extent of cortical and medullary PTBMIL...
2017: PloS One
https://www.readbyqxmd.com/read/28811763/microalbuminuria-in-type-2-diabetes-mellitus-the-tip-of-iceberg-of-diabetic-complications
#11
Tauseef Ahmad, Imran Ulhaq, Minaz Mawani, Najmul Islam
OBJECTIVE: To determine the prevalence of microalbuminuria and its association with hypertension and other diabetic complications among Type-2 diabetic patients attending at Aga Khan University Hospital Karachi. METHODS: 1280 Type-2 diabetes patients who visited the outpatient department of Aga Khan University Hospital from September 2014 to August 2016 were included in the study. Microalbuminuria was diagnosed if spot urinary microalbumin excretion was confirmed to be more than 20mg/l...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811693/beneficial-effect-of-aqueous-garlic-extract-on-inflammation-and-oxidative-stress-status-in-the-kidneys-of-type-1-diabetic-rats
#12
Abolfazl Nasiri, Nasrin Ziamajidi, Roghayeh Abbasalipourkabir, Mohammad Taghi Goodarzi, Massoud Saidijam, Hamid Behrouj, Sara Solemani Asl
One of the most important complications of diabetes is nephropathy. This study investigates the effects of aqueous garlic extract on inflammation and oxidative stress status in the kidneys of diabetic rats. Male rats were divided into four groups- control rats, diabetic rats, garlic extract-treated diabetic rats, garlic extract-treated normal rats. The glucose, urea, uric acid, and creatinine levels were measured in sera using colorimetric methods. To determine the oxidative stress condition in the kidney tissues, total antioxidant capacity (TAC), malondialdehyde (MDA), and total oxidant status (TOS) were measured using colorimetric methods...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811618/assessment-of-the-role-of-ageing-and-non-ageing-factors-in-death-from-non-communicable-diseases-based-on-a-cumulative-frequency-model
#13
Liu Hui
To quantify the effects of ageing and non-ageing factors, a characterization of the effects of ageing, genetic, and exogenous variables on 12 major non-communicable diseases was evaluated using a model assessing cumulative frequency of death and survival by age group from dead and surviving populations based on mortality statistics. Indices (0-1) of the roles of ageing (ARD), genetics (GRD) and exogenous (ERD) variables in deaths due to disease were established, and the sum of ARD, GRD and ERD was 1 (value of each indices was <1)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811283/prognosis-and-its-predictors-after-incident-stroke-in-patients-with-type-1-diabetes
#14
Stefanie Hägg-Holmberg, Lena M Thorn, Carol M Forsblom, Daniel Gordin, Nina Elonen, Valma Harjutsalo, Ron Liebkind, Jukka Putaala, Turgut Tatlisumak, Per-Henrik Groop
OBJECTIVE: Although patients with type 1 diabetes have a poor prognosis after a stroke, predictors of survival after an incident stroke in these patients are poorly studied. RESEARCH DESIGN AND METHODS: In this observational study, a total of 144 patients of 4,083 with type 1 diabetes from the Finnish Diabetic Nephropathy (FinnDiane) Study suffered an incident stroke in 1997-2010, and were followed for a mean 3.4 ± 3.1 years after the stroke. Information was recorded on hard cardiovascular events and death as a result of cardiovascular or diabetes-related cause, collectively referred to as vascular composite end point...
August 15, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28810595/sudoscan-an-effective-tool-for-screening-chronic-kidney-disease-in-patients-with-type-2-diabetes
#15
Fei Mao, Siying Liu, Xiaona Qiao, Hangping Zheng, Qian Xiong, Jie Wen, Shuo Zhang, Zhaoyun Zhang, Hongying Ye, Hongli Shi, Bin Lu, Yiming Li
SUDOSCAN is a non-invasive method of measuring peripheral small fiber and autonomic nerve activity by detection of abnormal sweat gland function through electrochemical skin conductance. It has been reported to be an effective screening tool in early detection of microvascular type 2 diabetes mellitus (T2DM) complications including diabetic neuropathy and nephropathy in recent studies. However, previous studies used estimated glomerular filtration rate (eGFR) as the golden standard, which has a 90% chance of being within 30% of the measured GFR at best...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810481/the-effectiveness-of-cognitive-behavioural-therapy-for-depressed-patients-with-diabetes-a-systematic-review
#16
Jananezwary Kanapathy, Vanessa Bogle
Depression is common among patients with diabetes, who have a higher risk of diabetes-related complications such as diabetic retinopathy, nephropathy, neuropathy and macrovascular complications. The aim of the systematic review is to determine whether cognitive behavioural therapy is effective in reducing depressive symptoms and improving glycaemic control among depressed diabetic patients. The results reveal diversified application of cognitive behavioural therapy. All studies reported that cognitive behavioural therapy had a positive impact on depressive symptoms; three found an improvement in glycated haemoglobin, and one demonstrated improved self-efficacy and self-concept related to successful diabetes management...
June 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28805677/endocytosis-of-albumin-induces-matrix-metalloproteinase-9-by-activating-the-erk-signaling-pathway-in-renal-tubule-epithelial-cells
#17
Xiaoming Chen, Alyssa Cobbs, Jasmine George, Ashmeer Chima, Fidele Tuyishime, Xueying Zhao
Matrix metalloproteinase-9 (MMP-9) is dysregulated in chronic kidney diseases including diabetic nephropathy. This study was performed to examine the expression of MMP-9 in renal tubule epithelial cells (TECs) under diabetic conditions and its regulatory mechanisms. We characterized MMP-9 protein in diabetic animals and primary cultured rat TECs exposed to exogenous albumin and high glucose. We also used specific inhibitors to determine if internalization of albumin and/or extracellular signal-regulated kinase 1/2 (ERK1/2) phosphorylation were required for MMP-9 secretion...
August 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28805484/disparate-phospho-smad2-levels-in-advanced-type-2-diabetes-patients-with-diabetic-nephropathy-and-early-experimental-db-db-mouse-model
#18
Lise Høj Thomsen, Morten Fog-Tonnesen, Lisbeth Nielsen Fink, Jenny Norlin, Amaya García de Vinuesa, Troels Krarup Hansen, Emile de Heer, Peter Ten Dijke, Alexander Rosendahl
Uncontrolled activation of transforming growth factor beta (TGF-β) family members is hypothesized to participate in type 2 diabetes (T2D) dependent diabetic nephropathy (DN). We evaluated and compared downstream activation of the Smad2-signaling pathway in kidney samples from T2D patients to kidneys from the T2D model of leptin receptor deficient db/db mouse. Furthermore, expression of TGF-β family members was evaluated to elucidate molecular mechanisms in the mouse model. Kidney samples from patients with advanced stages of DN showed elevated pSmad2 staining whereas db/db mouse kidneys surprisingly showed a decrease in pSmad2 in the tubular compartment...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28804725/meprin-metalloprotease-deficiency-associated-with-higher-mortality-rates-and-more-severe-diabetic-kidney-injury-in-mice-with-stz-induced-type-1-diabetes
#19
John E Bylander, Faihaa Ahmed, Sabena M Conley, Jean-Marie Mwiza, Elimelda Moige Ongeri
Meprins are membrane-bound and secreted metalloproteinases consisting of α and/or β subunits that are highly expressed in kidney epithelial cells and are differentially expressed in podocytes and leukocytes (macrophages and monocytes). Several studies have implicated meprins in the progression of diabetic nephropathy (DN) and fibrosis-associated kidney disease. However, the mechanisms by which meprins modulate DN are not understood. To delineate the role of meprins in DN, we subjected meprin αβ knockout (αβKO) mice and their wild-type (WT) counterparts to streptozotocin-induced type 1 diabetes...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28803840/development-and-validation-of-risk-equations-for-complications-of-type-2-diabetes-recode-using-individual-participant-data-from-randomised-trials
#20
Sanjay Basu, Jeremy B Sussman, Seth A Berkowitz, Rodney A Hayward, John S Yudkin
BACKGROUND: In view of substantial mis-estimation of risks of diabetes complications using existing equations, we sought to develop updated Risk Equations for Complications Of type 2 Diabetes (RECODe). METHODS: To develop and validate these risk equations, we used data from the Action to Control Cardiovascular Risk in Diabetes study (ACCORD, n=9635; 2001-09) and validated the equations for microvascular events using data from the Diabetes Prevention Program Outcomes Study (DPPOS, n=1018; 1996-2001), and for cardiovascular events using data from the Action for Health in Diabetes (Look AHEAD, n=4760; 2001-12)...
August 10, 2017: Lancet Diabetes & Endocrinology
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