The neuropeptide pituitary adenylate cyclase-activating polypeptide and islet function.

abstract：:Tissue sensitivity to insulin was studied using the euglycemic insulin clamp technique (delta plasma insulin above basal 90 microU/ml) in eight patients with type I diabetes mellitus (IDDM) before and after 4-8 mo of continuous subcutaneous insulin infusion (CSII) and in 36 age-matched control subjects. Institution of...

journal_title：Diabetes

authors： Simonson DC,Tamborlane WV,Sherwin RS,Smith JD,DeFronzo RA

更新日期：1985-08-01 00:00:00

abstract：:Diabetic nephropathy is the main cause of end-stage renal disease requiring dialysis in developed countries. In this study, we demonstrated the therapeutic effect of hepatocyte growth factor (HGF) on advanced rather than early diabetic nephropathy using a rat model of streptozotocin-induced diabetes. Early diabetic ne...

journal_title：Diabetes

authors： Cruzado JM,Lloberas N,Torras J,Riera M,Fillat C,Herrero-Fresneda I,Aran JM,Alperovich G,Vidal A,Grinyó JM

更新日期：2004-04-01 00:00:00

abstract：OBJECTIVE:Paracrine signaling via gamma-aminobutyric acid (GABA) and GABA(A) receptors (GABA(A)Rs) has been documented in rodent islets. Here we have studied the importance of GABAergic signaling in human pancreatic islets. RESEARCH DESIGN AND METHODS:Expression of GABA(A)Rs in islet cells was investigated by quantita...

journal_title：Diabetes

authors： Braun M,Ramracheya R,Bengtsson M,Clark A,Walker JN,Johnson PR,Rorsman P

更新日期：2010-07-01 00:00:00

abstract：:Brain dopaminergic pathways play a major role in the control of movement. Absence of the murine dopamine D2 receptor gene (drd2) produces bradykinesia and hypothermia. A Ser311Cys mutation of the human DRD2 produces a marked functional impairment of the receptor and is associated with higher BMI in some populations. W...

journal_title：Diabetes

authors： Tataranni PA,Baier L,Jenkinson C,Harper I,Del Parigi A,Bogardus C

更新日期：2001-04-01 00:00:00

abstract：:The BB rat spontaneously develops insulin-dependent diabetes mellitus (IDDM) as an autoimmune abnormality involving the class II molecules of the major histocompatibility complex (MHC). The rat MHC (RT1 complex) encodes two class II loci, RT1.B and RT1.D. The possibility that variant or unique class II MHC molecules m...

journal_title：Diabetes

authors： Holowachuk EW,Greer MK

更新日期：1989-02-01 00:00:00

abstract：:The effect of combined antisense oligonucleotides (AS-oligos) against overexpression of extracellular matrix (ECM) components, fibronectin, laminin, and collagen IV and on cell monolayer permeability was examined in rat microvascular endothelial cells (RMECs) grown in high glucose medium and on retinal vascular permea...

journal_title：Diabetes

authors： Oshitari T,Polewski P,Chadda M,Li AF,Sato T,Roy S

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:Dipeptidyl peptidase-4 (DPP4) inhibitors lower blood glucose in diabetic subjects; however, the mechanism of action through which these agents improve glucose homeostasis remains incompletely understood. Although glucagon-like peptide (GLP)-1 and glucose-dependent insulinotropic polypeptide (GIP) represent im...

journal_title：Diabetes

authors： Flock G,Baggio LL,Longuet C,Drucker DJ

更新日期：2007-12-01 00:00:00

abstract：:Uncoupling protein 1+ beige adipocytes are dynamically regulated by environment in rodents and humans; cold induces formation of beige adipocytes, whereas warm temperature and nutrient excess lead to their disappearance. Beige adipocytes can form through de novo adipogenesis; however, how "beiging" characteristics are...

journal_title：Diabetes

authors： Wang Y,Paulo E,Wu D,Wu Y,Huang W,Chawla A,Wang B

更新日期：2017-12-01 00:00:00

abstract：:IDDM results from immune-mediated destruction of insulin-producing pancreatic beta-cells in individuals genetically susceptible for the disease. There is evidence that the 65-kDa isoform of GAD plays a critical role in the induction of autoimmune diabetes in NOD mice. In humans, it is still unclear when and to what be...

journal_title：Diabetes

authors： Roll U,Christie MR,Füchtenbusch M,Payton MA,Hawkes CJ,Ziegler AG

更新日期：1996-07-01 00:00:00

abstract：:Phorbol esters translocatively activate and subsequently downregulate protein kinase C and insulin-stimulated glucose uptake in rat adipocytes. This study examined the possibility that other translocative activators of protein kinase C in rat adipocytes, e.g., insulin and glucose, provoke similar downregulating effect...

journal_title：Diabetes

authors： Ishizuka T,Cooper DR,Arnold T,Hernandez H,Farese RV

更新日期：1991-10-01 00:00:00

abstract：:The anionic charge on the surface of the erythrocyte and the erythrocyte membrane content of sialic acid and acid glycosaminoglycans (GAGs) were evaluated in insulin-dependent diabetic patients who had albumin excretion rates less than 300 mg/24 h. In these subjects a statistically significant reduction of erythrocyte...

journal_title：Diabetes

authors： Gambaro G,Baggio B,Cicerello E,Mastrosimone S,Marzaro G,Borsatti A,Crepaldi G

更新日期：1988-06-01 00:00:00

abstract：:A growing body of evidence implicates ceramide and/or its glycosphingolipid metabolites in the pathogenesis of insulin resistance. We have developed a highly specific small molecule inhibitor of glucosylceramide synthase, an enzyme that catalyzes a necessary step in the conversion of ceramide to glycosphingolipids. In...

journal_title：Diabetes

authors： Aerts JM,Ottenhoff R,Powlson AS,Grefhorst A,van Eijk M,Dubbelhuis PF,Aten J,Kuipers F,Serlie MJ,Wennekes T,Sethi JK,O'Rahilly S,Overkleeft HS

更新日期：2007-05-01 00:00:00

abstract：:Aldose reductase (AR) was purified from rat seminal vesicles. Specific antibodies to this enzyme were prepared in rabbits and were used in the unlabeled antibody-enzyme (PAP) technique to localize AR in a number of tissues known to be sites of diabetic lesions. AR was localized in the following structures in the eye: ...

journal_title：Diabetes

authors： Ludvigson MA,Sorenson RL

更新日期：1980-06-01 00:00:00

abstract：:Leptin induces weight loss in rodents via its effects on food intake and energy expenditure. High-fat diets induce weight gain, but the mechanism is not well understood. Previous studies have not found an effect of dietary fat content on fasting leptin. There is a nocturnal increase of leptin, however, which is relate...

journal_title：Diabetes

authors： Havel PJ,Townsend R,Chaump L,Teff K

更新日期：1999-02-01 00:00:00

abstract：:Obesity and type 2 diabetes are emerging global epidemics associated with chronic, low-grade inflammation. A characteristic feature of type 2 diabetes is delayed wound healing, which increases the risk of recurrent infections, tissue necrosis, and limb amputation. In health, inflammation is actively resolved by endoge...

journal_title：Diabetes

authors： Tang Y,Zhang MJ,Hellmann J,Kosuri M,Bhatnagar A,Spite M

更新日期：2013-02-01 00:00:00

abstract：OBJECTIVE:The ATP-binding cassette transporter A1 (ABCA1) R230C variant is associated with low HDL cholesterol levels, obesity, and the metabolic syndrome in Mexican-Mestizos. Because a pivotal role for ABCA1 in pancreatic beta-cell function was recently observed in the mouse model, we assessed the association of this ...

journal_title：Diabetes

authors： Villarreal-Molina MT,Flores-Dorantes MT,Arellano-Campos O,Villalobos-Comparan M,Rodríguez-Cruz M,Miliar-García A,Huertas-Vazquez A,Menjivar M,Romero-Hidalgo S,Wacher NH,Tusie-Luna MT,Cruz M,Aguilar-Salinas CA,Canizales-Quintero

更新日期：2008-02-01 00:00:00

abstract：:RIN-m cells, cultured from a rat insulinoma, not only bind and secrete but also degrade insulin (Diabetes 1982; 31:521-31). The insulin-degrading activity resides in the cytosol and is similar to the insulin-specific proteases previously described in muscle and other tissues. It has an apparent Km of 0.15 microM for p...

journal_title：Diabetes

authors： Bhathena SJ,Timmers KI,Oie HK,Voyles NR,Recant L

更新日期：1985-02-01 00:00:00

abstract：:To evaluate the role of splanchnic and peripheral tissues in the disposal of an oral glucose load, splanchnic exchange of glucose, lactate, pyruvate, glycerol and amino acids was determined in ten healthy subjects in the basal state and for three hours following the oral ingestion of 100 gm. of glucose. Following glu...

journal_title：Diabetes

authors： Felig P,Wahren J,Hendler R

更新日期：1975-05-01 00:00:00

abstract：:Sphingosine-1 phosphate (S1P) is a bioactive sphingolipid with the potential to mobilize Ca2+, to inhibit apoptosis, and to promote mitogenesis. Sphingosine kinase (SPHK) and S1P were characterized in INS-1 insulinoma cells and isolated rat islets of Langerhans. SPHK activity increased in INS-1 cell homogenates treate...

journal_title：Diabetes

authors： Mastrandrea LD,Sessanna SM,Laychock SG

更新日期：2005-05-01 00:00:00

abstract：:The TaqIB cholesteryl ester transfer protein (CETP) gene polymorphism (B1B2) is a determinant of HDL cholesterol in nondiabetic populations. Remarkably, this gene effect appears to be modified by environmental factors. We evaluated the effect of this polymorphism on HDL cholesterol levels and on the lipoprotein respon...

journal_title：Diabetes

authors： Dullaart RP,Hoogenberg K,Riemens SC,Groener JE,van Tol A,Sluiter WJ,Stulp BK

更新日期：1997-12-01 00:00:00

abstract：:Acute insulin secretion determines the efficiency of glucose clearance. Moreover, impaired acute insulin release is characteristic of reduced glucose control in the prediabetic state. Incretin hormones, which increase β-cell cAMP, restore acute-phase insulin secretion and improve glucose control. To determine the phys...

journal_title：Diabetes

authors： Kaihara KA,Dickson LM,Jacobson DA,Tamarina N,Roe MW,Philipson LH,Wicksteed B

更新日期：2013-05-01 00:00:00

abstract：:The relative effects of time versus ambient glucose concentration on insulin-stimulated glucose uptake was estimated by performing 5-h insulin clamp studies in patients with NIDDM. Each experimental subject was studied three times, at steady-state plasma insulin levels approximately 2000 microU/ml, but at different st...

journal_title：Diabetes

authors： Liu G,Chen YD,Hollenbeck CB,Lardinois CK,Reaven GM

更新日期：1984-07-01 00:00:00

abstract：:Glucose-dependent insulin secretion (GDIS), reactive oxygen species (ROS) production, and oxidative stress in pancreatic beta-cells may be tightly linked processes. Here we suggest that the same pathways used in the activation of GDIS (increased glycolytic flux, ATP-to-ADP ratio, and intracellular Ca2+ concentration) ...

journal_title：Diabetes

authors： Fridlyand LE,Philipson LH

更新日期：2004-08-01 00:00:00

abstract：:Somatostatin-like immunoreactivity (SLI) concentrations were determined in human peripheral plasma using affinity chromatography followed by radioimmunoassay. In normal subjects, fasting SLI ranged from 2.9 to 22.0 pg/ml with a mean +/- SE value of 10.2 +/- 2.1 pg/ml. In totally pancreatectomized or gastrectomized pat...

journal_title：Diabetes

authors： Tsuda K,Sakurai H,Seino Y,Seino S,Tanigawa K,Kuzuya H,Imura H

更新日期：1981-06-01 00:00:00

abstract：:Type 1 diabetes is believed to be a Th1 lymphocyte-mediated disease, and both environmental and genetic factors play a role in its pathogenesis. It was recently found that interleukin (IL)-18 acts as a proinflammatory cytokine and, in synergy with IL-12, promotes development of Th1 lymphocyte response by induction of ...

journal_title：Diabetes

authors： Kretowski A,Mironczuk K,Karpinska A,Bojaryn U,Kinalski M,Puchalski Z,Kinalska I

更新日期：2002-11-01 00:00:00

abstract：:Apoptosis is a physiological form of cell death that occurs during normal development, and critical mediators of this process include caspases, reactive oxygen species, and Ca2+. Excessive apoptosis of the pancreatic beta-cell has been associated with diabetes. Consequently, apoptosis research has focused on how infil...

journal_title：Diabetes

authors： Chandra J,Zhivotovsky B,Zaitsev S,Juntti-Berggren L,Berggren PO,Orrenius S

更新日期：2001-02-01 00:00:00

abstract：:This article is divided into two parts. A retrospective overview summarizes some of the work that provided the framework and tools of the more recent studies. The five novel areas of research are related to the indirect effects of insulin. Regulation of plasma glucose is of central importance in health and diabetes. U...

journal_title：Diabetes

authors： Vranic M

更新日期：1992-09-01 00:00:00

abstract：:Local glucocorticoid (GC) action depends on intracellular GC metabolism by 11beta-hydroxysteroid dehydrogenases (11betaHSDs). 11betaHSD1 activates GCs, while 11betaHSD2 inactivates GCs. Adipocyte-specific amplification of GCs through transgenic overexpression of 11betaHSD1 produces visceral obesity and the metabolic s...

journal_title：Diabetes

authors： Kershaw EE,Morton NM,Dhillon H,Ramage L,Seckl JR,Flier JS

更新日期：2005-04-01 00:00:00

abstract：:Insulin resistance and type 2 diabetes are associated with elevated circulating levels of insulin, nonesterified fatty acids (NEFAs), and lipoprotein remnants. Extracellular matrix proteoglycan (PG) alterations are also common in macro- and microvascular complications of type 2 diabetes. In liver, extracellular hepara...

journal_title：Diabetes

authors： Olsson U,Egnell AC,Lee MR,Lundén GO,Lorentzon M,Salmivirta M,Bondjers G,Camejo G

更新日期：2001-09-01 00:00:00

abstract：OBJECTIVE:To characterize normal and malformed embryos within the same litters from control and diabetic rats for expression of genes related to metabolism of reactive oxygen species (ROS) or glucose as well as developmental genes. RESEARCH DESIGN AND METHODS:Embryos from nondiabetic and streptozotocin-induced diabeti...

journal_title：Diabetes

authors： Wentzel P,Gäreskog M,Eriksson UJ

更新日期：2008-12-01 00:00:00