Involvement of glycation and oxidative stress in diabetic macroangiopathy.

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：: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：:Type 2 diabetes (T2D) is associated with vascular dysfunction. We hypothesized that increased nuclear factor-κB (NF-κB) signaling contributes to vascular dysfunction in T2D. We treated type 2 diabetic (db(-)/db(-)) and control (db(-)/db(+)) mice with two NF-κB inhibitors (6 mg/kg dehydroxymethylepoxyquinomicin twice a...

journal_title：Diabetes

authors： Kassan M,Choi SK,Galán M,Bishop A,Umezawa K,Trebak M,Belmadani S,Matrougui K

更新日期：2013-06-01 00:00:00

abstract：OBJECTIVE:Haptoglobin (Hp) is upregulated in both inflammation and obesity. The low chronic inflammatory state, caused by massive adipose tissue macrophage (ATM) infiltration found in obesity, and low adiponectin have been implicated in the development of insulin resistance and hepatosteatosis. The aim of this work was...

journal_title：Diabetes

authors： Lisi S,Gamucci O,Vottari T,Scabia G,Funicello M,Marchi M,Galli G,Arisi I,Brandi R,D'Onofrio M,Pinchera A,Santini F,Maffei M

更新日期：2011-10-01 00:00:00

abstract：:Total lymphoid irradiation (TLI) at doses of 2200 rads or greater prevented diabetes in susceptible BB/W rats. Two of 29 (7%) treated rats became diabetic compared with 23 of 39 (59%) controls (P less than 0.001). TLI did not, however, prevent insulitis or thyroiditis in nondiabetic rats, nor did it restore the depres...

journal_title：Diabetes

authors： Rossini AA,Slavin S,Woda BA,Geisberg M,Like AA,Mordes JP

更新日期：1984-06-01 00:00:00

abstract：:Impaired insulin secretion is a fundamental defect in type 2 diabetes. The aim of this study was to investigate whether single nucleotide polymorphisms (SNPs) in the genes regulating insulin secretion (SLC2A2 [encoding GLUT2], GCK, TCF1 [encoding HNF-1alpha], HNF4A, GIP, and GLP1R) are associated with the conversion f...

journal_title：Diabetes

authors： Laukkanen O,Lindström J,Eriksson J,Valle TT,Hämäläinen H,Ilanne-Parikka P,Keinänen-Kiukaanniemi S,Tuomilehto J,Uusitupa M,Laakso M,Finnish Diabetes Prevention Study.

更新日期：2005-07-01 00:00:00

abstract：:Insulin regulates heart metabolism through the regulation of insulin-stimulated glucose uptake. Studies have indicated that insulin can also regulate mitochondrial function. Relevant to this idea, mitochondrial function is impaired in diabetic individuals. Furthermore, the expression of Opa-1 and mitofusins, proteins ...

journal_title：Diabetes

authors： Parra V,Verdejo HE,Iglewski M,Del Campo A,Troncoso R,Jones D,Zhu Y,Kuzmicic J,Pennanen C,Lopez-Crisosto C,Jaña F,Ferreira J,Noguera E,Chiong M,Bernlohr DA,Klip A,Hill JA,Rothermel BA,Abel ED,Zorzano A,Lavandero S

更新日期：2014-01-01 00:00:00

abstract：:Ghrelin, an endogenous ligand for growth hormone secretagogue (GHS) receptor originally isolated from the stomach, occurs in the hypothalamic arcuate nucleus and may play a role in energy homeostasis. Synthetic GHSs have activated the hypothalamic arcuate neurons containing neuropeptide Y (NPY), suggesting the involve...

journal_title：Diabetes

authors： Shintani M,Ogawa Y,Ebihara K,Aizawa-Abe M,Miyanaga F,Takaya K,Hayashi T,Inoue G,Hosoda K,Kojima M,Kangawa K,Nakao K

更新日期：2001-02-01 00:00:00

abstract：:Two weeks after intraportal transplantation of 2,000 neonatal pancreatic islets, recipient rats completely recovered from streptozotocin-induced diabetes. The reversal of diabetes could be documented by the normalization of blood glucose levels, by a restored weight gain, by normal glucagon and insulin levels in blood...

journal_title：Diabetes

authors： Gardemann A,Jungermann K,Grosse V,Cossel L,Wohlrab F,Hahn HJ,Blech W,Hildebrandt W

更新日期：1994-11-01 00:00:00

abstract：OBJECTIVE:To examine associations of neonatal adiposity with maternal glucose levels and cord serum C-peptide in a multicenter multinational study, the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study, thereby assessing the Pederson hypothesis linking maternal glycemia and fetal hyperinsulinemia to neonatal adi...

journal_title：Diabetes

authors： HAPO Study Cooperative Research Group.

更新日期：2009-02-01 00:00:00

abstract：:Proinsulin is converted to insulin by the concerted action of two sequence-specific subtilisin-like proteases termed prohormone convertase 2 (PC2) and prohormone convertase 3 (PC3). PC3 is a type I proinsulin-processing enzyme that initiates the sequential processing of proinsulin to insulin by cleaving the proinsulin...

journal_title：Diabetes

authors： Ohagi S,Sakaguchi H,Sanke T,Tatsuta H,Hanabusa T,Nanjo K

更新日期：1996-07-01 00:00:00

abstract：:Obesity is increasing, yet despite the necessity of maintaining muscle mass and function with age, the effect of obesity on muscle protein turnover in older adults remains unknown. Eleven obese (BMI 31.9 ± 1.1 kg · m(-2)) and 15 healthy-weight (BMI 23.4 ± 0.3 kg · m(-2)) older men (55-75 years old) participated in a s...

journal_title：Diabetes

authors： Murton AJ,Marimuthu K,Mallinson JE,Selby AL,Smith K,Rennie MJ,Greenhaff PL

更新日期：2015-09-01 00:00:00

abstract：:Insulin stimulation of adipose and muscle cells results in the translocation of GLUT4 from an intracellular location to the plasma membrane; this translocation is defective in insulin resistance. Studies have suggested an important role for synaptobrevin and syntaxin homologues in this event, particularly the v-solubl...

journal_title：Diabetes

authors： Maier VH,Melvin DR,Lister CA,Chapman H,Gould GW,Murphy GJ

更新日期：2000-04-01 00:00:00

abstract：:Elevated urinary albumin excretion (UAE) is a predictor of the development of nephropathy and cardiovascular mortality. To study whether genetic factors may determine UAE, we examined familial aggregation of UAE in 96 large multigenerational pedigrees ascertained for type 2 diabetes. A total of 1,269 subjects had UAE ...

journal_title：Diabetes

authors： Fogarty DG,Hanna LS,Wantman M,Warram JH,Krolewski AS,Rich SS

更新日期：2000-06-01 00:00:00

abstract：:Specific binding of [3H]SCH 23390 to dopamine D1 receptors in the striatum and olfactory tubercle in 14-day alloxan-induced diabetic rats was investigated. The Scatchard analysis revealed decreased D1 receptor density in the striatum (Bmax values were 548 +/- 23 fmol/mg protein for the control and 466 +/- 33 fmol/mg f...

journal_title：Diabetes

authors： Salković M,Lacković Z

更新日期：1992-09-01 00:00:00

abstract：:Tissue accumulation of sorbitol secondary to enhanced polyol-pathway activity is believed to play an important role in the development of diabetic complications. We previously demonstrated sorbitol accumulation, due in part to enhanced expression of aldose reductase (AR) in the diabetic kidney. In this study, we quant...

journal_title：Diabetes

authors： Ghahary A,Chakrabarti S,Sima AA,Murphy LJ

更新日期：1991-11-01 00:00:00

abstract：:Skeletal muscle (SKM) insulin resistance plays a central role in the pathogenesis of type 2 diabetes. Because G-protein-coupled receptors (GPCRs) represent excellent drug targets, we hypothesized that activation of specific functional classes of SKM GPCRs might lead to improved glucose homeostasis in type 2 diabetes. ...

journal_title：Diabetes

authors： Bone DBJ,Meister J,Knudsen JR,Dattaroy D,Cohen A,Lee R,Lu H,Metzger D,Jensen TE,Wess J

更新日期：2019-06-01 00:00:00

abstract：:A strong genetic component of the beta-cell defect of type 2 diabetes is undisputed. We recently developed a modification of the classic hyperglycemic clamp to assess beta-cell function in response to various stimuli (10 mmol/l glucose, additional glucagon-like peptide [GLP]-1, and arginine). Subjects at risk for deve...

journal_title：Diabetes

authors： Stumvoll M,Fritsche A,Häring HU

更新日期：2002-02-01 00:00:00

abstract：:Development of beta-cell lines for cell therapy of diabetes is hindered by functional deviations of the replicating cells from the normal beta-cell phenotype. In a recently developed cell line, denoted betaTC-tet, derived from transgenic mice expressing the SV40 T antigen (Tag) under control of the tetracycline (Tc) g...

journal_title：Diabetes

authors： Fleischer N,Chen C,Surana M,Leiser M,Rossetti L,Pralong W,Efrat S

更新日期：1998-09-01 00:00:00

abstract：:We assessed our speculation that 2-cyclohexen-1-one (CHX) impairs glucose-induced insulin secretion through inactivation of glucokinase. Treatment of pancreatic islets with CHX at concentrations (0-5 mM) that caused a dose-dependent inactivation of glucokinase activity similarly inhibited glucose-induced insulin secre...

journal_title：Diabetes

authors： Miwa I,Murata T,Mitsuyama S,Okuda J

更新日期：1990-10-01 00:00:00

abstract：OBJECTIVE:Increased intramuscular triacylglycerol (IMTG) storage is a characteristic of the obese insulin-resistant state. We aimed to investigate whether a blunted fasting or beta-adrenergically mediated lipolysis contributes to this increased IMTG storage in obesity. RESEARCH DESIGN AND METHODS:Forearm skeletal musc...

journal_title：Diabetes

authors： Jocken JW,Roepstorff C,Goossens GH,van der Baan P,van Baak M,Saris WH,Kiens B,Blaak EE

更新日期：2008-07-01 00:00:00

abstract：:Diabetic patients have reduced antioxidant defenses and suffer from an increased risk of free radical-mediated diseases such as coronary heart disease. Epidemiological evidence has suggested that antioxidant dietary flavonoids may protect against heart disease, but a biological effect has yet to be demonstrated direct...

journal_title：Diabetes

authors： Lean ME,Noroozi M,Kelly I,Burns J,Talwar D,Sattar N,Crozier A

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVE:Exercise is an important strategy for the treatment of type 2 diabetes. This is due in part to an increase in glucose transport that occurs in the working skeletal muscles. Glucose transport is regulated by GLUT4 translocation in muscle, but the molecular machinery mediating this process is poorly understood....

journal_title：Diabetes

authors： Lauritzen HP,Galbo H,Toyoda T,Goodyear LJ

更新日期：2010-09-01 00:00:00

abstract：:GLUT4 is necessary for acute insulin- and contraction-induced skeletal muscle glucose uptake, but its role in chronic muscle loading (overload)-induced glucose uptake is unknown. Our goal was to determine whether GLUT4 is required for overload-induced glucose uptake. Overload was induced in mouse plantaris muscle by u...

journal_title：Diabetes

authors： McMillin SL,Schmidt DL,Kahn BB,Witczak CA

更新日期：2017-06-01 00:00:00

abstract：:Insulin is a short-lived species in the circulatory system. After binding to its receptor sites and transmission of its biological signals, bound insulin undergoes receptor-mediated endocytosis and consequent degradation. An inactive insulin derivative that is not recognized by the receptor has a longer circulation li...

journal_title：Diabetes

authors： Gershonov E,Shechter Y,Fridkin M

更新日期：1999-07-01 00:00:00

abstract：:Repeated large-volume blood withdrawals started at a young age previously appeared to correct lymphopenia and prevent diabetes in Ottawa diabetes-prone BB (BBdp) rats. Therefore, we sought an early effect 24 h after withdrawal of 25% of estimated blood volume and then reexamined the long-term effects in BBdp rats. The...

journal_title：Diabetes

authors： Marliss EB,Métroz-Dayer MD,Montambault M,Faucher M,Grose M

更新日期：1990-09-01 00:00:00

abstract：:Subjects with overt non-insulin-dependent diabetes mellitus (NIDDM) were studied in comparison to obese nondiabetic control subjects and patients with subclinical diabetes. Pancreatic insulin secretion rates were measured by deconvolution of peripheral C-peptide over a 24-h period while subjects consumed an isocaloric...

journal_title：Diabetes

authors： Polonsky KS,Gumbiner B,Ostrega D,Griver K,Tager H,Henry RR

更新日期：1994-07-01 00:00:00

abstract：:This article seeks to determine whether factors related to autoimmunity risk remain significant after the initiation of two or more diabetes-related autoantibodies and continue to contribute to type 1 diabetes (T1D) risk among autoantibody-positive children in The Environmental Determinants of Diabetes in the Young (T...

journal_title：Diabetes

authors： Krischer JP,Liu X,Lernmark Å,Hagopian WA,Rewers MJ,She JX,Toppari J,Ziegler AG,Akolkar B,TEDDY Study Group.

更新日期：2017-12-01 00:00:00

abstract：:The hexokinases, by converting glucose to glucose-6-phosphate, help maintain the downhill gradient that results in movement of glucose into cells through the facilitative glucose transporters. GLUT4 and hexokinase (HK) II are the major transporter and hexokinase isoforms in skeletal muscle, heart, and adipose tissue, ...

journal_title：Diabetes

authors： Osawa H,Printz RL,Whitesell RR,Granner DK

更新日期：1995-12-01 00:00:00

abstract：:Elevated levels of advanced glycosylation end products (AGEs) have been found in multiple tissues in association with diabetic vascular complications and during the microalbuminuric phase of diabetic nephropathy. In this study, we have used an AGE-specific enzyme-linked immunosorbent assay (ELISA) to measure skin AGEs...

journal_title：Diabetes

authors： Beisswenger PJ,Makita Z,Curphey TJ,Moore LL,Jean S,Brinck-Johnsen T,Bucala R,Vlassara H

更新日期：1995-07-01 00:00:00