Exendin-4 suppresses SRC activation and reactive oxygen species production in diabetic Goto-Kakizaki rat islets in an Epac-dependent manner.

abstract：:Diabetic glomerulosclerosis is defined by increased glomerular extracellular matrix (ECM) that is mainly synthesized by mesangial cells that underwent an activation mediated by cytokines and growth factors from various cellular origins. In this study, we tested whether macrophages could infiltrate the glomeruli and in...

journal_title：Diabetes

authors： Sassy-Prigent C,Heudes D,Mandet C,Bélair MF,Michel O,Perdereau B,Bariéty J,Bruneval P

更新日期：2000-03-01 00:00:00

abstract：:In man a small dose of somatostatin (50 micrograms/h) suppressed moderately basal insulin (5 microU/ml) and glucagon (40 pg/ml) levels. This resulted in a short-lasting hypoglycemia, which was then followed by marginal hyperglycemia throughout the experiment. The addition of a minimal dose of glucagon (0.50 ng/kg/min)...

journal_title：Diabetes

authors： Lins PE,Wajngot A,Adamson U,Vranic M,Efendić S

更新日期：1983-07-01 00:00:00

abstract：:Selective peroxisome proliferator-activated receptor (PPAR) gamma modulation is a new pharmacological approach that, based on selective receptor-cofactor interactions and target gene regulation, should result in potent insulin sensitization in the absence of PPARgamma-mediated adverse effects. Here, we characterize tw...

journal_title：Diabetes

authors： Schupp M,Clemenz M,Gineste R,Witt H,Janke J,Helleboid S,Hennuyer N,Ruiz P,Unger T,Staels B,Kintscher U

更新日期：2005-12-01 00:00:00

abstract：:Hepatic Notch signaling is inappropriately activated in obese/insulin-resistant mouse models. Genetic or pharmacologic inhibition of hepatic Notch signaling in obese mice simultaneously improves glucose tolerance and reduces hepatic triglyceride content. As such, we predicted that Notch signaling in human liver would ...

journal_title：Diabetes

authors： Valenti L,Mendoza RM,Rametta R,Maggioni M,Kitajewski C,Shawber CJ,Pajvani UB

更新日期：2013-12-01 00:00:00

abstract：:Monolayer cultures of islet B-cells were established from neonatal rat pancreas. Serum-free media conditioned by these cultures for 72 h were concentrated and fractionated on Sephadex G-50 at acid pH into a high-molecular-weight pool containing binding protein for insulin-like growth factors (IGFs) and a low-molecular...

journal_title：Diabetes

authors： Romanus JA,Rabinovitch A,Rechler MM

更新日期：1985-07-01 00:00:00

abstract：:In humans, low levels of growth hormone (GH) and its mediator, IGF-1, associate with hepatic lipid accumulation. In mice, congenital liver-specific ablation of the GH receptor (GHR) results in reductions in circulating IGF-1 and hepatic steatosis, associated with systemic insulin resistance. Due to the intricate relat...

journal_title：Diabetes

authors： Liu Z,Cordoba-Chacon J,Kineman RD,Cronstein BN,Muzumdar R,Gong Z,Werner H,Yakar S

更新日期：2016-12-01 00:00:00

abstract：OBJECTIVE:Insulin stimulates glucose transport in skeletal muscle by GLUT4 translocation from intracellular compartments to sarcolemma and t-tubules. We studied in living animals the recruitment of GLUT4 vesicles in more detail than previously done and, for the first time, analyzed the steady-state recycling and subseq...

journal_title：Diabetes

authors： Lauritzen HP,Galbo H,Brandauer J,Goodyear LJ,Ploug T

更新日期：2008-02-01 00:00:00

abstract：:Two previously described pedigrees with familial hyperproinsulinemia have elevated proinsulin conversion intermediates resulting from amino acid substitutions in the proinsulin molecule. In contrast, a third family with elevated levels of an apparently normal proinsulin molecule may have a defect in the converting pro...

journal_title：Diabetes

authors： Elbein SC,Gruppuso P,Schwartz R,Skolnick M,Permutt MA

更新日期：1985-08-01 00:00:00

abstract：:Diet-induced obesity is known to cause peripheral insulin resistance in rodents. We have recently found that feeding cod protein to high-fat-fed rats prevents the development of insulin resistance in skeletal muscle. In the present study, we have further explored the cellular mechanisms behind this beneficial effect o...

journal_title：Diabetes

authors： Tremblay F,Lavigne C,Jacques H,Marette A

更新日期：2003-01-01 00:00:00

abstract：:The adrenocortical steroid, dehydroepiandrosterone, has been shown previously to produce an antidiabetic effect in C57BL/KsJ db/db mice. Preliminary clinical data suggest that this steroid may enhance insulin sensitivity in humans. The therapeutic use of dehydroepiandrosterone may be limited by its androgenic action. ...

journal_title：Diabetes

authors： Pashko LL,Schwartz AG

更新日期：1993-08-01 00:00:00

abstract：OBJECTIVE:Leptin released from adipocytes plays a key role in the control of food intake, energy balance, and glucose homeostasis. In addition to its central action, leptin directly affects pancreatic beta-cells, inhibiting insulin secretion, and, thus, modulating glucose homeostasis. However, despite the importance of...

journal_title：Diabetes

authors： Tudurí E,Marroquí L,Soriano S,Ropero AB,Batista TM,Piquer S,López-Boado MA,Carneiro EM,Gomis R,Nadal A,Quesada I

更新日期：2009-07-01 00:00:00

abstract：:Mitochondria are the essential eukaryotic organelles that produce most cellular energy. The energy production and supply by mitochondria appear closely associated with the continuous shape change of mitochondria mediated by fission and fusion, as evidenced not only by the hereditary diseases caused by mutations in fis...

journal_title：Diabetes

authors： Galloway CA,Lee H,Nejjar S,Jhun BS,Yu T,Hsu W,Yoon Y

更新日期：2012-08-01 00:00:00

abstract：:OKT3 has emerged as a highly effective antirejection therapy, but its efficacy in pancreas transplantation remains to be determined. During a 26-mo period, 46 vascularized pancreas transplants were performed with pancreaticoduodenocystostomy. Twenty-one patients (45.7%) were treated with OKT3. Indications for OKT3 use...

journal_title：Diabetes

authors： Stratta RJ,Sollinger HW,D'Alessandro AM,Pirsch JD,Kalayoglu M,Belzer FO

更新日期：1989-01-01 00:00:00

abstract：:To establish potential effects of glucagon-like peptide I (GLP-I) on blood glucose control in insulin-deficient states, GLP-I [GLP-I(7-36) amide; 10 pmol x kg(-1) x min(-1)] was infused intravenously in six fasting, canine C-peptide-negative, chronically diabetic dogs for 8 h. Blood samples were saved for the analysis...

journal_title：Diabetes

authors： Freyse EJ,Becher T,El-Hag O,Knospe S,Göke B,Fischer U

更新日期：1997-05-01 00:00:00

abstract：:Hormones produced by adipose tissue play a critical role in the regulation of energy intake, energy expenditure, and lipid and carbohydrate metabolism. This review will address the biology, actions, and regulation of three adipocyte hormones-leptin, acylation stimulating protein (ASP), and adiponectin-with an emphasis...

journal_title：Diabetes

authors： Havel PJ

更新日期：2004-02-01 00:00:00

abstract：OBJECTIVE:Sirtuin 1 (SIRT1) is implicated in the regulation of mitochondrial function, energy metabolism, and insulin sensitivity in rodents. No studies are available in humans to demonstrate that SIRT1 expression in insulin-sensitive tissues is associated with energy expenditure and insulin sensitivity. RESEARCH DESI...

journal_title：Diabetes

authors： Rutanen J,Yaluri N,Modi S,Pihlajamäki J,Vänttinen M,Itkonen P,Kainulainen S,Yamamoto H,Lagouge M,Sinclair DA,Elliott P,Westphal C,Auwerx J,Laakso M

更新日期：2010-04-01 00:00:00

abstract：:Exercise bypasses insulin resistance to increase glucose uptake in skeletal muscle and therefore represents an important alternative to stimulate glucose uptake in insulin-resistant muscle. Both Rac1 and AMPK have been shown to partly regulate contraction-stimulated muscle glucose uptake, but whether those two signali...

journal_title：Diabetes

authors： Sylow L,Møller LLV,Kleinert M,D'Hulst G,De Groote E,Schjerling P,Steinberg GR,Jensen TE,Richter EA

更新日期：2017-06-01 00:00:00

abstract：:In 112 obese compared with 42 lean children, we found that serum leptin is elevated early in the evolution of childhood-onset obesity (28.4 +/- 1.4 vs. 4.5 +/- 0.4 ng/ml in lean children, P < 0.0001) and correlates with adiposity. Obese children also had higher serum leptin normalized to fat mass. Despite high serum l...

journal_title：Diabetes

authors： Lahlou N,Landais P,De Boissieu D,Bougnères PF

更新日期：1997-06-01 00:00:00

abstract：OBJECTIVE:Obesity causes insulin resistance, which has been interpreted as reduced downstream insulin signaling. However, changes in access of insulin to sensitive tissues such as skeletal muscle may also play a role. Insulin injected directly into skeletal muscle diffuses rapidly through the interstitial space to caus...

journal_title：Diabetes

authors： Kolka CM,Harrison LN,Lottati M,Chiu JD,Kirkman EL,Bergman RN

更新日期：2010-03-01 00:00:00

abstract：OBJECTIVE:Regulation of obesity development is an important issue to prevent metabolic syndromes. Gene-disrupted mice of phospholipase Cδ1 (PLCδ1), a key enzyme of phosphoinositide turnover, seemed to show leanness. Here we examined whether and how PLCδ1 is involved in obesity. RESEARCH DESIGN AND METHODS:Weight gain,...

journal_title：Diabetes

authors： Hirata M,Suzuki M,Ishii R,Satow R,Uchida T,Kitazumi T,Sasaki T,Kitamura T,Yamaguchi H,Nakamura Y,Fukami K

更新日期：2011-07-01 00:00:00

abstract：:Insulin resistance is a recently identified mechanism involved in the pathophysiology of chronic heart failure (CHF). We investigated the effects of two insulin-sensitizing drugs (metformin and rosiglitazone) in a genetic model of spontaneously hypertensive, insulin-resistant rats (SHHF). Thirty SHHF rats were randomi...

journal_title：Diabetes

authors： Cittadini A,Napoli R,Monti MG,Rea D,Longobardi S,Netti PA,Walser M,Samà M,Aimaretti G,Isgaard J,Saccà L

更新日期：2012-04-01 00:00:00

abstract：:Hyperglycemia-induced oxidative stress is detrimental for endothelial cells, contributing to the vascular complications of diabetes. The mitochondrial permeability transition pore (PTP) is an oxidative stress-sensitive channel involved in cell death; therefore, we have examined its potential role in endothelial cells ...

journal_title：Diabetes

authors： Detaille D,Guigas B,Chauvin C,Batandier C,Fontaine E,Wiernsperger N,Leverve X

更新日期：2005-07-01 00:00:00

abstract：:Autoantibodies against several cytoplasmic autoantigens such as glutamic acid decarboxylase, heat shock protein 65, insulin, and carboxypeptidase H have been identified in the sera of patients with IDDM. To investigate whether type II DNA topoisomerase (TopII) is an autoantigen in IDDM patients, we have constructed a ...

journal_title：Diabetes

authors： Chang YH,Hwang J,Shang HF,Tsai ST

更新日期：1996-04-01 00:00:00

abstract：:Segmental pancreatic allografts with unligated ducts were transplanted intraperitoneally to five diabetic patients who had received renal allografts more than 2 yr earlier. One patient is alive with a functioning graft 10.5 mo later. Two patients rejected their grafts at approximately 2 and 3 mo but are alive 8--9 mo ...

journal_title：Diabetes

authors： Sutherland DE,Goetz FC,Najarian JS

更新日期：1980-01-01 00:00:00

abstract：:Sera from rats inoculated with in vitro glucosylated rat skin acid-soluble collagen were evaluated for specific antibody response using the enzyme-linked immunosorbent assay. The data indicate that the altered protein is capable of eliciting the production of antibodies, but unmodified collagen is not. The specificity...

journal_title：Diabetes

authors： Bassiouny AR,Rosenberg H,McDonald TL

更新日期：1983-12-01 00:00:00

abstract：:The effects of glucose and diabetes on the high-affinity lofentanil-displaceable opiate-receptor binding in mouse brain membranes were studied to determine if the attenuation of opiate actions by hyperglycemia previously observed in our laboratory was due to a modification of receptor affinity or number. With membrane...

journal_title：Diabetes

authors： Brase DA,Han YH,Dewey WL

更新日期：1987-10-01 00:00:00

abstract：:Immunosuppressive drugs are routinely used to provide tolerance after whole pancreas and islet cell transplantations. While they are essential in inhibiting graft rejection, little is known about their effect on islet function and beta-cell viability. In this study, we report that tacrolimus, sirolimus, and mycophenol...

journal_title：Diabetes

authors： Hui H,Khoury N,Zhao X,Balkir L,D'Amico E,Bullotta A,Nguyen ED,Gambotto A,Perfetti R

更新日期：2005-02-01 00:00:00

abstract：:Misregulated hormone secretion from the islet of Langerhans is central to the pathophysiology of diabetes. Although insulin plays a key role in glucose regulation, the importance of glucagon is increasingly acknowledged. However, the mechanisms that regulate glucagon secretion from α-cells are still unclear. We used p...

journal_title：Diabetes

authors： Reissaus CA,Piston DW

更新日期：2017-04-01 00:00:00

abstract：:To elucidate the direct effect of rosiglitazone (RSG), a new thiazolidinedione antihyperglycemic agent, on pancreatic insulin secretion, an in situ investigation by rat pancreatic perfusion was performed. At a basal glucose concentration of 6 mmol/l, RSG (0.045-4.5 micromol/l) stimulated insulin release in a dose-depe...

journal_title：Diabetes

authors： Yang C,Chang TJ,Chang JC,Liu MW,Tai TY,Hsu WH,Chuang LM

更新日期：2001-11-01 00:00:00

abstract：:The identity of the cells responsible for beta-cell destruction in type I (insulin-dependent) diabetes is still uncertain. L3T4+ T-lymphocytes have a role in the initiation of insulitis and in damaging transplanted allogeneic islets in nonobese diabetic (NOD) mice. The role of L3T4+ T-lymphocytes in destruction of bet...

journal_title：Diabetes

authors： Charlton B,Mandel TE

更新日期：1988-08-01 00:00:00