Pancreatic β-cell failure mediated by mTORC1 hyperactivity and autophagic impairment.

abstract：:Recently, missense mutations upstream of preproinsulin's signal peptide (SP) cleavage site were reported to cause mutant INS gene-induced diabetes of youth (MIDY). Our objective was to understand the molecular pathogenesis using metabolic labeling and assays of proinsulin export and insulin and C-peptide production to...

journal_title：Diabetes

authors： Liu M,Lara-Lemus R,Shan SO,Wright J,Haataja L,Barbetti F,Guo H,Larkin D,Arvan P

更新日期：2012-04-01 00:00:00

abstract：:The effect of muscular exertion of moderate intensity on blood sugar (BS), plasma levels of growth hormone (GH), glucagon, and cortisol (F) has been studied in endocrinologically normal children with short stature and compared with children with clinical diabetes mellitus and obese children with normal and diminished ...

journal_title：Diabetes

authors： Garlaschi C,di Natale B,del Guercio MJ,Caccamo A,Gargantini L,Chiumello G

更新日期：1975-08-01 00:00:00

abstract：:Chromogranin A (ChgA) has been identified as the antigen target for three NOD-derived, diabetogenic CD4 T-cell clones, including the well-known BDC-2.5. These T-cell clones respond weakly to the peptide WE14, a naturally occurring proteolytic cleavage product from ChgA. We show here that WE14 can be converted into a h...

journal_title：Diabetes

authors： Delong T,Baker RL,He J,Barbour G,Bradley B,Haskins K

更新日期：2012-12-01 00:00:00

abstract：:Impaired fasting glucose (IFG) and impaired glucose tolerance (IGT) often coexist and as such represent a potent risk factor for subsequent development of type 2 diabetes. beta-Cell mass is approximately 50% deficient in IFG and approximately 65% deficient in type 2 diabetes. To establish the effect of a approximately...

journal_title：Diabetes

authors： Matveyenko AV,Veldhuis JD,Butler PC

更新日期：2006-08-01 00:00:00

abstract：OBJECTIVE:Obesity is associated with increased activation of the c-Jun NH(2)-terminal kinase (JNK) in several metabolic organs, including adipose tissue, liver, and skeletal muscle. In this study, we aimed to define the role of JNK activation in adipose tissue in the development of obesity-related insulin resistance. ...

journal_title：Diabetes

authors： Zhang X,Xu A,Chung SK,Cresser JH,Sweeney G,Wong RL,Lin A,Lam KS

更新日期：2011-02-01 00:00:00

abstract：:Thiazolidinediones (TZDs) are peroxisome proliferator-activated receptor-gamma (PPARG) agonists used to treat type 2 diabetes. TZDs can also be used to reduce rates of type 2 diabetes in at-risk individuals. However, a large fraction of TZD-treated patients (30-40%) do not respond to TZD treatment with an improvement ...

journal_title：Diabetes

authors： Wolford JK,Yeatts KA,Dhanjal SK,Black MH,Xiang AH,Buchanan TA,Watanabe RM

更新日期：2005-11-01 00:00:00

abstract：:Advanced glycoxidation end products (AGEs) are implicated in delayed diabetic wound healing. To test the role of diet-derived AGE on the rate of wound healing, we placed female db/db (+/+) (n = 55, 12 weeks old) and age-matched control db/db (+/-) mice (n = 45) on two diets that differed only in AGE content (high [H-A...

journal_title：Diabetes

authors： Peppa M,Brem H,Ehrlich P,Zhang JG,Cai W,Li Z,Croitoru A,Thung S,Vlassara H

更新日期：2003-11-01 00:00:00

abstract：:Hepatocyte nuclear factor 4alpha (HNF4A), the gene for the maturity-onset diabetes of the young type 1 monogenic form of type 2 diabetes, is within the type 2 diabetes-linked region on chromosome 20q12-q13.1 and, consequently, is a positional candidate gene for type 2 diabetes in the general population. Previous studi...

journal_title：Diabetes

authors： Bagwell AM,Bento JL,Mychaleckyj JC,Freedman BI,Langefeld CD,Bowden DW

更新日期：2005-04-01 00:00:00

abstract：OBJECTIVE:To understand the relationships between maternal glycemia during pregnancy and prenatal and early postnatal growth by evaluating cord C-peptide and IGF-I as mediating biomarkers in boys and girls separately. RESEARCH DESIGN AND METHODS:We evaluated 342 neonates within the EDEN mother-child cohort study born ...

journal_title：Diabetes

authors： Regnault N,Botton J,Heude B,Forhan A,Hankard R,Foliguet B,Hillier TA,Souberbielle JC,Dargent-Molina P,Charles MA,EDEN Mother-Child Cohort Study Group.

更新日期：2011-08-01 00:00:00

abstract：OBJECTIVE:Diabetic nephropathy clusters in families, suggesting that genetic factors play a role in its pathogenesis. We investigated whether similar clustering exists for proliferative retinopathy in families with two or more siblings with type 1 diabetes. RESEARCH DESIGN AND METHODS:The FinnDiane Study has character...

journal_title：Diabetes

authors： Hietala K,Forsblom C,Summanen P,Groop PH,FinnDiane Study Group.

更新日期：2008-08-01 00:00:00

abstract：:Because high D-glucose significantly stimulates endothelial cell death, we examined the molecular mechanisms of high D-glucose-induced endothelial apoptosis. Treatment of human aortic endothelial cells with high D-glucose (25 mmol/l), but not mannitol and L-glucose, resulted in a significant decrease in cell number an...

journal_title：Diabetes

authors： Nakagami H,Morishita R,Yamamoto K,Yoshimura SI,Taniyama Y,Aoki M,Matsubara H,Kim S,Kaneda Y,Ogihara T

更新日期：2001-06-01 00:00:00

abstract：:The glycolytic enzyme glucokinase plays a primary role in the glucose-responsive secretion of insulin, and defects of this enzyme can cause NIDDM. As a step toward understanding the molecular basis of glucokinase (GK) gene regulation, we assessed the structure and regulation of the human GK gene beta-cell-type promote...

journal_title：Diabetes

authors： Watada H,Kajimoto Y,Umayahara Y,Matsuoka T,Kaneto H,Fujitani Y,Kamada T,Kawamori R,Yamasaki Y

更新日期：1996-11-01 00:00:00

abstract：:Ambulatory blood pressure (AMBP) measurements were obtained at 20-min intervals for 24 h in 25 subjects with insulin-dependent (type I) diabetes mellitus and 21 control subjects. The diabetic patients had normal kidney function (glomerular filtration rate 112.1 +/- 7.2 ml.min-1.1.73 m-2, renal plasma flow 459.0 +/- 23...

journal_title：Diabetes

authors： Wiegmann TB,Herron KG,Chonko AM,MacDougall ML,Moore WV

更新日期：1990-12-01 00:00:00

abstract：:The increased sugar transport was examined in the isolated small intestine of streptozotocin-diabetic rats. In the small intestine of these animals, the rate of glucose absorption in vivo is slightly increased, but not that of galactose of 3-O-MG (3-O-Methylglucose); however, in the isolated small intestine, the mucos...

journal_title：Diabetes

authors： Csáky TZ,Fischer E

更新日期：1981-07-01 00:00:00

abstract：:The effect of three calcium antagonists (verapamil, diltiazem, and nifedipine) on insulin effects was investigated in isolated rat soleus muscles. Soleus muscles were incubated in the presence of insulin (100 microU/ml), a concentration that stimulates the rates of lactate formation and glycogen synthesis half-maximal...

journal_title：Diabetes

authors： Foot EA,Leighton B

更新日期：1994-01-01 00:00:00

abstract：:The absorption mechanism of insulin administered in the peritoneal cavity (IP) is of current interest because of the near availability of implantable insulin-infusion devices for the treatment of diabetes. To determine the fraction of insulin absorbed by the portal circulation after IP administration, a novel nonisoto...

journal_title：Diabetes

authors： Selam JL,Bergman RN,Raccah D,Jean-Didier N,Lozano J,Charles MA

更新日期：1990-11-01 00:00:00

abstract：:Fatty acids (FAs) and other lipid molecules are important for many cellular functions, including vesicle exocytosis. For the pancreatic beta-cell, while the presence of some FAs is essential for glucose-stimulated insulin secretion, FAs have enormous capacity to amplify glucose-stimulated insulin secretion, which is p...

journal_title：Diabetes

authors： Nolan CJ,Madiraju MS,Delghingaro-Augusto V,Peyot ML,Prentki M

更新日期：2006-12-01 00:00:00

abstract：:Pulsatile insulin secretion in vivo is believed to be derived, in part, from the intrinsic glucose-dependent intracellular calcium concentration ([Ca2+]i) pulsatility of individual islets. In isolation, islets display fast, slow, or mixtures of fast and slow [Ca2+]i oscillations. We show that the period of islet [Ca2+...

journal_title：Diabetes

authors： Nunemaker CS,Zhang M,Wasserman DH,McGuinness OP,Powers AC,Bertram R,Sherman A,Satin LS

更新日期：2005-12-01 00:00:00

abstract：:GLUT2 glucose transporter mRNA has been shown to be underexpressed in pancreatic islets of numerous animal models of non-insulin-dependent diabetes mellitus (NIDDM). It has been proposed that this molecular defect contributes to the pathogenesis of diabetes, although information concerning the expression of GLUT2 in h...

journal_title：Diabetes

authors： Ferrer J,Benito C,Gomis R

更新日期：1995-12-01 00:00:00

abstract：:The association between clinical autonomic dysfunction and myocardial MIBG accumulation was investigated. The study groups comprised 6 male diabetic patients with autonomic neuropathy (ANP+ group), 6 male diabetic patients without autonomic neuropathy (ANP-group), and 6 male nondiabetic control subjects. The mean age ...

journal_title：Diabetes

authors： Mäntysaari M,Kuikka J,Mustonen J,Tahvanainen K,Vanninen E,Länsimies E,Uusitupa M

更新日期：1992-09-01 00:00:00

abstract：:Hepatocyte growth factor (HGF) is a mitogen required for β-cell replication during pregnancy. To determine whether HGF/c-Met signaling is required for β-cell regeneration, we characterized mice with pancreatic deletion of the HGF receptor, c-Met (PancMet KO mice), in two models of reduced β-cell mass and regeneration:...

journal_title：Diabetes

authors： Alvarez-Perez JC,Ernst S,Demirci C,Casinelli GP,Mellado-Gil JM,Rausell-Palamos F,Vasavada RC,Garcia-Ocaña A

更新日期：2014-01-01 00:00:00

abstract：:Cytoplasmic islet cell antibody-negative (ICA-; less than 20 Juvenile Diabetes Foundation units, n = 1670) and ICA+ (n = 42) first-degree relatives of type I (insulin-dependent) diabetic individuals were studied for competitive insulin autoantibodies (CIAAs) with a radioassay. Overall, 3.7% of first-degree relatives (...

journal_title：Diabetes

authors： Ziegler AG,Ziegler R,Vardi P,Jackson RA,Soeldner JS,Eisenbarth GS

更新日期：1989-10-01 00:00:00

abstract：:Accumulation of triosephosphates arising from high cytosolic glucose concentrations in hyperglycemia is the trigger for biochemical dysfunction leading to the development of diabetic nephropathy-a common complication of diabetes associated with a high risk of cardiovascular disease and mortality. Here we report that s...

journal_title：Diabetes

authors： Babaei-Jadidi R,Karachalias N,Ahmed N,Battah S,Thornalley PJ

更新日期：2003-08-01 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：:We investigated the effects of non-insulin-dependent diabetes mellitus (NIDDM) on lipoprotein(a) (Lp[a]) and apolipoprotein(a) (apo[a]) in a population of Mexican-Americans. In plasma samples from 536 subjects, we measured Lp(a) concentrations, and we estimated apo(a) isoform sizes following immunostaining of plasma p...

journal_title：Diabetes

authors： Rainwater DL,MacCluer JW,Stern MP,VandeBerg JL,Haffner SM

更新日期：1994-07-01 00:00:00

abstract：:Interleukin-6 (IL-6) is a pleiotropic cytokine involved in the pathophysiology of various human diseases such as type 2 diabetes and obesity. IL-6 signals via a heterodimeric receptor complex consisting of a soluble IL-6 alpha-subunit (IL-6 receptor [IL6R]) and a signal transducing subunit (gp130). The IL6R gene maps ...

journal_title：Diabetes

authors： Hamid YH,Urhammer SA,Jensen DP,Glümer C,Borch-Johnsen K,Jørgensen T,Hansen T,Pedersen O

更新日期：2004-12-01 00:00:00

abstract：:Recent work suggests that insulin may exert both positive and negative feedback directly on pancreatic beta-cells. To investigate the hypothesis that insulin modulates beta-cell metabolism, mouse islets and beta-cell clusters were loaded with rhodamine 123 to dynamically monitor mitochondrial membrane potential (Delta...

journal_title：Diabetes

authors： Nunemaker CS,Zhang M,Satin LS

更新日期：2004-07-01 00:00:00

abstract：OBJECTIVE:Adiponectin is an adipocyte-specific secretory protein found in circulation in several different forms and is present at significantly lower levels in the plasma of diabetic patients compared with that of insulin-sensitive individuals. We wanted to test whether insulin per se is a contributing factor toward l...

journal_title：Diabetes

authors： Basu R,Pajvani UB,Rizza RA,Scherer PE

更新日期：2007-08-01 00:00:00

abstract：:Detailed pathophysiological manifestations of early disease in the context of prediabetes are poorly understood. This study aimed to evaluate the extent of early signs of metabolic and cardio-cerebrovascular complications affecting multiple organs in individuals with prediabetes. Subjects without a history of stroke, ...

journal_title：Diabetes

authors： Bamberg F,Hetterich H,Rospleszcz S,Lorbeer R,Auweter SD,Schlett CL,Schafnitzel A,Bayerl C,Schindler A,Saam T,Müller-Peltzer K,Sommer W,Zitzelsberger T,Machann J,Ingrisch M,Selder S,Rathmann W,Heier M,Linkohr B,Meisi

更新日期：2017-01-01 00:00:00

abstract：:Sorbitol accumulation, myo-inositol depletion, and reduced Na+-K+-ATPase activity have been identified in experimental diabetes in several tissues in which diabetic complications occur. However, a reduction in renal Na+-K+-ATPase activity has not been universally reported, prompting us to examine the influence of diab...

journal_title：Diabetes

authors： Cohen MP,Klepser H

更新日期：1988-05-01 00:00:00