New Understanding of β-Cell Heterogeneity and In Situ Islet Function.

abstract：:NO has been identified recently as the prime islet-toxic product of inflammatory macrophages. The adverse effects of IL-1 on isolated islets also have been reported to involve NO. We now show that exposure of an islet cell suspension to the NO donor nitroprusside or to activated macrophages leads to DNA strand breaks....

journal_title：Diabetes

authors： Fehsel K,Jalowy A,Qi S,Burkart V,Hartmann B,Kolb H

更新日期：1993-03-01 00:00:00

abstract：:We demonstrate the presence of specific insulinlike growth factor I (IGF-I) receptors in human adipocytes. Competition studies with 125I-labeled IGF-I and unlabeled IGF-I, IGF-II, and insulin showed the specificity of 125I-IGF-I binding to the IGF-I receptors in adipocytes, membranes, and partially purified detergent-...

journal_title：Diabetes

authors： Sinha MK,Buchanan C,Leggett N,Martin L,Khazanie PG,Dimarchi R,Pories WJ,Caro JF

更新日期：1989-10-01 00:00:00

abstract：:Because polyphenols may have beneficial effects on dyslipidemia, which accelerates atherosclerosis in diabetes, we examined the effect of polyphenols on hepatocellular AMP-activated protein kinase (AMPK) activity and lipid levels, as well as hyperlipidemia and atherogenesis in type 1 diabetic LDL receptor-deficient mi...

journal_title：Diabetes

authors： Zang M,Xu S,Maitland-Toolan KA,Zuccollo A,Hou X,Jiang B,Wierzbicki M,Verbeuren TJ,Cohen RA

更新日期：2006-08-01 00:00:00

abstract：OBJECTIVE:MBL2 encodes the mannose-binding lectin, which is a key player in the innate immune system and has recently been found to play a role in insulin resistance and development of type 1 diabetes and gestational diabetes mellitus. To assess the role of MBL2 in diabetes susceptibility, this gene was analyzed in the...

journal_title：Diabetes

authors： Muller YL,Hanson RL,Bian L,Mack J,Shi X,Pakyz R,Shuldiner AR,Knowler WC,Bogardus C,Baier LJ

更新日期：2010-08-01 00:00:00

abstract：:In the oral glucose tolerance test (OGTT), divergent doses of glucose remain in use by virtue of the prevailing conviction that the size of the loading dose hardly affects the outcome of the test. We compared the results of OGTTs with 100-gm. and 50-gm. loads in 85 patients, who were selected for slightly impaired glu...

journal_title：Diabetes

authors： de Nobel E,van't Laar A

更新日期：1978-01-01 00:00:00

abstract：:Ten young adult miniature swine from a line reported to be genetically selected for glucose intolerance and eight normal controls were obtained from Colorado State University. They were consecutively exposed to 4 mo of a high-fiber, low-fat standard swine diet; 4 mo of a high-sucrose, high-fat, low-fiber diabetogenic ...

journal_title：Diabetes

authors： Hand MS,Surwit RS,Rodin J,Van Order P,Feinglos MN

更新日期：1987-03-01 00:00:00

abstract：:Increased susceptibility of LDL to oxidation has been shown to be associated with the presence of coronary heart disease and may account for the accelerated vascular disease seen in diabetes. The response of LDL to in vitro oxidative stress has been proposed as a measure of the predisposition of LDL to the in vivo sub...

journal_title：Diabetes

authors： Jenkins AJ,Klein RL,Chassereau CN,Hermayer KL,Lopes-Virella MF

更新日期：1996-06-01 00:00:00

abstract：:Synaptotagmin (Syt)-7, a major component of the exocytotic machinery in neurons, is also the major Syt in rodent pancreatic β-cells shown to mediate glucose-stimulated insulin secretion (GSIS). However, Syt-7's precise exocytotic actions in β-cells remain unknown. We show that Syt-7 is abundant in human β-cells. Adeno...

journal_title：Diabetes

authors： Dolai S,Xie L,Zhu D,Liang T,Qin T,Xie H,Kang Y,Chapman ER,Gaisano HY

更新日期：2016-07-01 00:00:00

abstract：:Expansion of pancreatic β-cells is a key goal of diabetes research, yet induction of adult human β-cell replication has proven frustratingly difficult. In part, this reflects a lack of understanding of cell cycle control in the human β-cell. Here, we provide a comprehensive immunocytochemical "atlas" of G1/S control m...

journal_title：Diabetes

authors： Fiaschi-Taesch NM,Kleinberger JW,Salim FG,Troxell R,Wills R,Tanwir M,Casinelli G,Cox AE,Takane KK,Scott DK,Stewart AF

更新日期：2013-07-01 00:00:00

abstract：:Transcription factor expression fluctuates during β-cell ontogeny, and disruptions in this pattern can affect the development or function of those cells. Here we uncovered that murine endocrine pancreatic progenitors express high levels of the homeodomain transcription factor Prox1, whereas both immature and mature β-...

journal_title：Diabetes

authors： Paul L,Walker EM,Drosos Y,Cyphert HA,Neale G,Stein R,South J,Grosveld G,Herrera PL,Sosa-Pineda B

更新日期：2016-03-01 00:00:00

abstract：:Recently, we identified in normally type 1 diabetes-prone NOD/LtJ mice a spontaneous new leptin receptor (LEPR) mutation (designated Lepr(db-5J)) producing juvenile obesity, hyperglycemia, hyperinsulinemia, and hyperleptinemia. This early type 2 diabetes syndrome suppressed intra-islet insulitis and permitted spontane...

journal_title：Diabetes

authors： Lee CH,Chen YG,Chen J,Reifsnyder PC,Serreze DV,Clare-Salzler M,Rodriguez M,Wasserfall C,Atkinson MA,Leiter EH

更新日期：2006-01-01 00:00:00

abstract：:Glucokinase from rat liver or transplantable, radiation-induced insulinomas was partially purified by ion exchange chromatography using DEAE-Cibacron Blue F3GA agarose. Phosphorylation of alpha,beta-D-mannose by glucokinase occurred with cooperative rate dependence on mannose concentration (nH: 1.50). Half-maximal pho...

journal_title：Diabetes

authors： Meglasson MD,Schinco M,Matschinsky FM

更新日期：1983-12-01 00:00:00

abstract：:The mechanisms of marked increase in plasma leptin soon after ventromedial hypothalamus (VMH) lesions were investigated. Although rats did not gain body weight or parametrial fat-pad mass 24 h after the operation, the acute VMH-lesioned rats exhibited substantial five- and fourfold increases in plasma leptin levels co...

journal_title：Diabetes

authors： Suga A,Hirano T,Kageyama H,Kashiba M,Oka J,Osaka T,Namba Y,Tsuji M,Miura M,Adachi M,Inoue S

更新日期：1999-10-01 00:00:00

abstract：:We addressed the question of whether newly diagnosed type I (insulin-dependent) diabetes mellitus patients showed an increased number of DR (la+) T-lymphocytes compared with nondiabetic siblings and normal control subjects. Two-color flow cytometry measurements of peripheral-blood lymphocytes showed a slight but stati...

journal_title：Diabetes

authors： Legendre CM,Schiffrin A,Weitzner G,Colle E,Guttmann RD

更新日期：1988-06-01 00:00:00

abstract：:This study examines whether the loss of metabolic control in initially normalized islet transplants can result from the inadequate composition of the donor tissue. Streptozotocin-induced diabetic rats were followed for 64 weeks after the intraportal injection of islet isografts with different composition. The implanta...

journal_title：Diabetes

authors： Keymeulen B,Korbutt G,De Paepe M,Gorus F,Klöppel G,Pipeleers DG

更新日期：1996-12-01 00:00:00

abstract：:Platelet aggregation and related plasma factors have been studied in experimentally diabetic dogs, experimentally galactosemic dogs, and in normal dogs. Platelet aggregation, when induced in vitro by ADP (up to 22 microM) or collagen (up to 4 micrograms/ml), was not significantly different from normal in the diabetic ...

journal_title：Diabetes

authors： Kern TS,Engerman RL

更新日期：1984-09-01 00:00:00

abstract：:Kir6.2 is an inwardly rectifying potassium channel that is expressed in pancreatic beta-cells and cardiac and skeletal muscle. Expressed together with the high-affinity sulphonylurea receptor, it reconstitutes a sulphonylurea- and also ATP-sensitive potassium channel resembling the native beta-cell channel. The object...

journal_title：Diabetes

authors： Hansen L,Echwald SM,Hansen T,Urhammer SA,Clausen JO,Pedersen O

更新日期：1997-03-01 00:00:00

abstract：:The transcription factor regulatory factor X (RFX)-3 regulates the expression of genes required for the growth and function of cilia. We show here that mouse RFX3 is expressed in developing and mature pancreatic endocrine cells during embryogenesis and in adults. RFX3 expression already is evident in early Ngn3-positi...

journal_title：Diabetes

authors： Ait-Lounis A,Baas D,Barras E,Benadiba C,Charollais A,Nlend Nlend R,Liègeois D,Meda P,Durand B,Reith W

更新日期：2007-04-01 00:00:00

abstract：OBJECTIVE:Aggregation of human amylin/islet amyloid polypeptide (hA/hIAPP) into small soluble beta-sheet-containing oligomers is linked to islet beta-cell degeneration and the pathogenesis of type 2 diabetes. Here, we used tetracycline, which modifies hA/hIAPP oligomerization, to probe mechanisms whereby hA/hIAPP cause...

journal_title：Diabetes

authors： Aitken JF,Loomes KM,Scott DW,Reddy S,Phillips AR,Prijic G,Fernando C,Zhang S,Broadhurst R,L'Huillier P,Cooper GJ

更新日期：2010-01-01 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：:Zucker (fa/fa) rats with defective leptin receptors are obese, hyperphagic, and hyperinsulinemic. For testing whether chronic activation of the central melanocortin pathway can bypass the defective leptin signaling and normalize altered energy homeostasis in these rats, recombinant adeno-associated virus encoding pro-...

journal_title：Diabetes

authors： Li G,Mobbs CV,Scarpace PJ

更新日期：2003-08-01 00:00:00

abstract：:The BB rat spontaneously develops autoimmune abnormalities such as insulin-dependent diabetes mellitus and thyroiditis. The autoimmunity of the BB rat is controlled in part by genes of the major histocompatibility complex (MHC), known as the RT1 complex in the rat, and accumulating evidence suggests the involvement of...

journal_title：Diabetes

authors： Holowachuk EW,Greer MK,Martin DR

更新日期：1988-12-01 00:00:00

abstract：:Pancreatic β-cells play a pivotal role in maintaining normoglycemia. Recent studies have revealed that the β-cell is not a homogeneous cell population but, rather, is heterogeneous in a number of properties such as electrical activity, gene expression, and cell surface markers. Identification of specific β-cell subpop...

journal_title：Diabetes

authors： Dybala MP,Hara M

更新日期：2019-06-01 00:00:00

abstract：:Sirt6 is an NAD+-dependent deacetylase that is involved in the control of energy metabolism. However, the tissue-specific function of Sirt6 in the adipose tissue remains unknown. In this study, we showed that fat-specific Sirt6 knockout (FKO) sensitized mice to high-fat diet-induced obesity, which was attributed to ad...

journal_title：Diabetes

authors： Kuang J,Zhang Y,Liu Q,Shen J,Pu S,Cheng S,Chen L,Li H,Wu T,Li R,Li Y,Zou M,Zhang Z,Jiang W,Xu G,Qu A,Xie W,He J

更新日期：2017-05-01 00:00:00

abstract：:The incretin hormones, glucagon-like peptide 1 and pituitary adenylyl cyclase-activating polypeptide, are proposed to activate a maitotoxin (MTX)-sensitive, Ca2+-dependent nonselective cation current in pancreatic beta-cells and insulinoma cells. This MTX-sensitive current is present in human beta-cells as well as in ...

journal_title：Diabetes

authors： Leech CA,Habener JF

更新日期：1998-07-01 00:00:00

abstract：:β-Cell function improves in patients with type 2 diabetes in response to an oral glucose stimulus after Roux-en-Y gastric bypass (RYGB) surgery. This has been linked to the exaggerated secretion of glucagon-like peptide 1 (GLP-1), but causality has not been established. The aim of this study was to investigate the rol...

journal_title：Diabetes

authors： Jørgensen NB,Dirksen C,Bojsen-Møller KN,Jacobsen SH,Worm D,Hansen DL,Kristiansen VB,Naver L,Madsbad S,Holst JJ

更新日期：2013-09-01 00:00:00

abstract：:Vascular complications are the leading causes of morbidity and mortality in diabetic patients. The contribution of platelets to thromboembolic complications is well documented, but their involvement in the initiation of the atherosclerotic process is of rising interest. Thus, the aim of the present study was to evalua...

journal_title：Diabetes

authors： Véricel E,Januel C,Carreras M,Moulin P,Lagarde M

更新日期：2004-04-01 00:00:00

abstract：OBJECTIVE:Circulating glucose inhibits glucose production in normal rodents and humans, but this glucose effectiveness is disrupted in diabetes due partly to sustained hyperglycemia. We hypothesize that hyperglycemia in diabetes impairs hypothalamic glucose sensing to lower glucose production, and changes of glucose tr...

journal_title：Diabetes

authors： Chari M,Yang CS,Lam CK,Lee K,Mighiu P,Kokorovic A,Cheung GW,Lai TY,Wang PY,Lam TK

更新日期：2011-07-01 00:00:00

abstract：OBJECTIVE:We hypothesized that intranasal insulin (I-I) delivery targets the nervous system while avoiding potential adverse systemic effects when compared with subcutaneous insulin (S-I) for experimental streptozotocin-induced diabetic peripheral neuropathy (DPN). RESEARCH DESIGN AND METHODS:I-I or S-I at 0.87 IU dai...

journal_title：Diabetes

authors： Francis G,Martinez J,Liu W,Nguyen T,Ayer A,Fine J,Zochodne D,Hanson LR,Frey WH 2nd,Toth C

更新日期：2009-04-01 00:00:00

abstract：:Persistent nutrient excess results in a compensatory increase in the β-cell number in mammals. It is unknown whether this response occurs in nonmammalian vertebrates, including zebrafish, a model for genetics and chemical genetics. We investigated the response of zebrafish β-cells to nutrient excess and the underlying...

journal_title：Diabetes

authors： Maddison LA,Chen W

更新日期：2012-10-01 00:00:00