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| gastric inhibitory polypeptideSummarySummary: A gastrointestinal peptide hormone of about 43-amino acids. Top Publications
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Publications
Reduced insulinotropic effect of gastric inhibitory polypeptide in first-degree relatives of patients with type 2 diabetesJ J Meier
Medizinische Klinik, , Knappschafts-Krankenhaus, Bochum (Langendreer, Germany
Diabetes 50:2497-504. 2001In patients with type 2 diabetes, gastric inhibitory polypeptide (GIP) has lost much of its insulinotropic activity. Whether this is similar in first-degree relatives of patients with type 2 diabetes is unknown...
Biology of incretins: GLP-1 and GIPLaurie L Baggio
Department of Medicine, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Banting and Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
Gastroenterology 132:2131-57. 2007..Recently approved therapeutic agents based on potentiation of incretin action provide new physiologically based approaches for the treatment of type 2 diabetes...
Incretin secretion in relation to meal size and body weight in healthy subjects and people with type 1 and type 2 diabetes mellitusT Vilsbøll
Department of Internal Medicine F, Gentofte Hospital, Hellerup, Denmark
J Clin Endocrinol Metab 88:2706-13. 2003....
The biology of incretin hormonesDaniel J Drucker
Department of Medicine, The Banting and Best Diabetes Centre, Toronto General Hospital, University of Toronto, Ontario M5G 2C4, Canada
Cell Metab 3:153-65. 2006..This article summarizes current concepts of incretin action and highlights the potential therapeutic utility of GLP-1 receptor agonists and dipeptidyl peptidase-4 (DPP-4) inhibitors for the treatment of type 2 diabetes...
Nutrient-dependent secretion of glucose-dependent insulinotropic polypeptide from primary murine K cellsH E Parker
Cambridge Institute for Medical Research, Addenbrooke s Hospital, Wellcome Trust MRC Building, Hills Road, Cambridge CB2 0XY, UK
Diabetologia 52:289-98. 2009..The aim of this study was to generate transgenic mice with fluorescently labelled GIP-secreting K cells and to use these to investigate pathways by which K cells detect nutrients...
Novel insulin/GIP co-producing cell lines provide unexpected insights into Gut K-cell function in vivoErin B Ramshur
Department of Internal Medicine, Division of Metabolism, Washington University School of Medicine, St Louis, Missouri 63110, USA
J Cell Physiol 192:339-50. 2002..These results provided unexpected insights into K-cell physiology and our experimental strategy could be easily modified to isolate/characterize additional EE cell populations...
Effect of single oral doses of sitagliptin, a dipeptidyl peptidase-4 inhibitor, on incretin and plasma glucose levels after an oral glucose tolerance test in patients with type 2 diabetesGary A Herman
Merck Research Laboratories, Experimental Medicine, Rahway, New Jersey 07065, USA
J Clin Endocrinol Metab 91:4612-9. 2006..The degree of DPP-4 inhibition and the level of active incretin augmentation required for glucose lowering efficacy after an oral glucose tolerance test (OGTT) were evaluated...
Evidence for beneficial effects of compromised gastric inhibitory polypeptide action in obesity-related diabetes and possible therapeutic implicationsN Irwin
School of Biomedical Sciences, University of Ulster, Cromore Road, Coleraine, Co Londonderry, BT52 1SA, UK
Diabetologia 52:1724-31. 2009b>Gastric inhibitory polypeptide (GIP) is a physiological gut peptide secreted from the intestinal K-cells with well documented insulin-releasing actions...
Reduced incretin effect in type 2 diabetes: cause or consequence of the diabetic state?Filip K Knop
Department of Internal Medicine F, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
Diabetes 56:1951-9. 2007..These results suggest that the reduced incretin effect is not a primary event in the development of type 2 diabetes, but rather a consequence of the diabetic state...
Intact glucagon-like peptide-1 levels are not decreased in Japanese patients with type 2 diabetesSoushou Lee
Department of Diabetes, Metabolism, and Endocrinology, Showa University School of Medicine, 1 5 8 Hatanodai, Shinagawa ku, Tokyo, Japan
Endocr J 57:119-26. 2010..We concluded that intact GLP-1 levels are comparable between non-diabetics and T2DM, suggesting that impaired insulin secretion in Japanese T2DM is not attributable to defect in GLP-1 secretion...
Impact of glucose-dependent insulinotropic peptide on age-induced bone lossKe Hong Ding
Institute of Molecular Medicine and Genetics, Program in Regenerative Medicine, Medical College of Georgia, Augusta, Georgia 30912, USA
J Bone Miner Res 23:536-43. 2008..We show for the first time that BMSCs express functional GIP receptors, that expression decreases with aging, and that elevations in GIP can prevent age-associated bone loss...
Patients with neuroglycopenia after gastric bypass surgery have exaggerated incretin and insulin secretory responses to a mixed mealA B Goldfine
Joslin Diabetes Center, One Joslin Place, Boston, Massachusetts 02215, USA
J Clin Endocrinol Metab 92:4678-85. 2007..The etiology of the syndrome and metabolic characteristics remain incompletely understood. Recent studies suggest that levels of incretin hormones are increased after GB and may promote excessive beta-cell function and/or growth...
Effect of weight loss by gastric bypass surgery versus hypocaloric diet on glucose and incretin levels in patients with type 2 diabetesBLANDINE LAFERRERE
St Lukes Roosevelt Hospital, Obesity Research Center, 1111 Amsterdam Avenue, New York, NY 10025, USA
J Clin Endocrinol Metab 93:2479-85. 2008..Gastric bypass surgery (GBP) results in rapid weight loss, improvement of type 2 diabetes (T2DM), and increase in incretins levels. Diet-induced weight loss also improves T2DM and may increase incretin levels...
The dipeptidyl peptidase 4 inhibitor vildagliptin does not accentuate glibenclamide-induced hypoglycemia but reduces glucose-induced glucagon-like peptide 1 and gastric inhibitory polypeptide secretionAndrea El Ouaghlidi
Diabeteszentrum Bad Lauterberg, Kirchberg 21, D 37431 Bad Lauterberg im Harz, Germany
J Clin Endocrinol Metab 92:4165-71. 2007..the concentrations of the active form of the incretin hormones glucagon-like peptide 1 (GLP-1) and gastric inhibitory polypeptide (GIP)...
Effect of vildagliptin on glucagon concentration during meals in patients with type 1 diabetesJ E Foley
Novartis Pharmaceutical Corporation, One Health Plaza, East Hanover, NJ 07936, USA
Horm Metab Res 40:727-30. 2008
Oral glutamine increases circulating glucagon-like peptide 1, glucagon, and insulin concentrations in lean, obese, and type 2 diabetic subjectsJerry R Greenfield
Cambridge Institute for Medical Research and Department of Clinical Biochemistry, University of Cambridge, Cambridge, UK
Am J Clin Nutr 89:106-13. 2009..We previously demonstrated that glutamine is a potent stimulus of GLP-1 secretion in vitro...
An extract of Gymnema sylvestre leaves and purified gymnemic acid inhibits glucose-stimulated gastric inhibitory peptide secretion in ratsT Fushiki
Department of Food Science and Technology, Faculty of Agriculture, Kyoto University, Japan
J Nutr 122:2367-73. 1992....
Glucose-dependent insulinotropic polypeptide enhances adipocyte development and glucose uptake in part through Akt activationDiane H Song
Department of Medicine, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
Gastroenterology 133:1796-805. 2007..The purpose of these studies was to characterize the effects of GIP and its receptor (GIPR) in adipocyte development and signaling...
Gastric inhibitory polypeptide (GIP) dose-dependently stimulates glucagon secretion in healthy human subjects at euglycaemiaJ J Meier
Medizinische Klinik I, St Josef Hospital, Klinikum der Ruhr Universitat Bochum, Gudrunstrasse 56, 44791 Bochum, Germany
Diabetologia 46:798-801. 2003In the isolated perfused pancreas, gastric inhibitory polypeptide (GIP) has been shown to enhance glucagon secretion at basal glucose concentrations, but in healthy humans no glucagonotropic effect of GIP has yet been reported...
Suppression of p38 MAPK and JNK via Akt-mediated inhibition of apoptosis signal-regulating kinase 1 constitutes a core component of the beta-cell pro-survival effects of glucose-dependent insulinotropic polypeptideScott B Widenmaier
Department of Cellular and Physiological Sciences and the Diabetes Research Group, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
J Biol Chem 284:30372-82. 2009..Inhibition of apoptosis by GIP is therefore mediated via a key pathway involving Akt-dependent inhibition of apoptosis signal-regulating kinase 1, which subsequently prevents the pro-apoptotic actions of p38 MAPK and JNK...
Native incretins prevent the development of atherosclerotic lesions in apolipoprotein E knockout miceM Nagashima
Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University School of Medicine, 1 5 8 Hatanodai, Shinagawa ku, Tokyo 142 8666, Japan
Diabetologia 54:2649-59. 2011..We investigated the possibility that glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) can prevent the development of atherosclerosis in Apoe (-/-) mice...
Pharmacological characterization of human incretin receptor missense variantsJean Philippe Fortin
Molecular Pharmacology Research Center, Molecular Cardiology Research Institute, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA
J Pharmacol Exp Ther 332:274-80. 2010..The extent to which abnormalities in GIP-R function may lead to physiological changes or affect drug sensitivity in selected populations (e.g., obese, diabetic individuals) remains to be further investigated...
GIP(Lys16PAL) and GIP(Lys37PAL): novel long-acting acylated analogues of glucose-dependent insulinotropic polypeptide with improved antidiabetic potentialNigel Irwin
School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, U K
J Med Chem 49:1047-54. 2006..These data demonstrate that fatty acid derivatized GIP peptides represent a novel class of long-acting stable GIP analogues for therapy of type 2 diabetes...
Enhanced glucose-dependent insulinotropic polypeptide secretion and insulinotropic action in glucagon-like peptide 1 receptor -/- miceR A Pederson
Department of Physiology, University of British Columbia, Vancouver, Canada
Diabetes 47:1046-52. 1998..These observations suggest that upregulation of the GIP component of the enteroinsular axis, at the levels of GIP secretion and action, modifies the phenotype resulting from interruption of the insulinotropic activity of GLP-1 in vivo...
The early effect of the Roux-en-Y gastric bypass on hormones involved in body weight regulation and glucose metabolismFrancesco Rubino
IRCAD-EITS, Strasbourg, France
Ann Surg 240:236-42. 2004..were tested for fasting glucose, insulin, glucagon, insulin-like growth factor 1 (IGF-1), leptin, gastric inhibitory polypeptide (GIP), glucagon-like peptide-1 (GLP-1), cholecystokinin (CCK), adrenocorticotropic hormone (ACTH), ..
Expression and functional activity of glucagon, glucagon-like peptide I, and glucose-dependent insulinotropic peptide receptors in rat pancreatic islet cellsK Moens
Diabetes Research Center, Vrije Universiteit Brussel, Belgium
Diabetes 45:257-61. 1996..In conclusion, these data show that stimulation of glucagon, GLP-I, and GIP receptors in rat beta-cells causes cAMP production required for insulin release, while adenylate cyclase in alpha-cells is positively regulated by GIP...
Role of MGAT2 and DGAT1 in the release of gut peptides after triglyceride ingestionMayumi Okawa
Tsukuba Research Institute, Banyu Pharmaceutical Company, Ltd, Tsukuba, Ibaraki 300 2611, Japan
Biochem Biophys Res Commun 390:377-81. 2009..These findings suggest that synthesis and/or secretion of triglyceride-rich lipoproteins play an important role in the release of GIP. Moreover, DGAT1 may directly regulate the release of GLP-1 and PYY in L-cells...
Glucagon-like peptide-1, but not glucose-dependent insulinotropic peptide, inhibits glucagon secretion via somatostatin (receptor subtype 2) in the perfused rat pancreasJ de Heer
Department of Biomedical Sciences, The Panum Institute, University of Copenhagen, Blegdamsvej 3, DK 2200, Copenhagen N, Denmark
Diabetologia 51:2263-70. 2008..We examined whether the islet hormone somatostatin, which strongly inhibits glucagon secretion, is involved in this divergent behaviour...
Predictors of incretin concentrations in subjects with normal, impaired, and diabetic glucose toleranceKirsten Vollmer
Department of Medicine I, St Josef Hospital, Ruhr University Bochum, Gudrunstr 56, 44791 Bochum, Germany
Diabetes 57:678-87. 2008..in GLP-1 levels different after mixed meal or isolated glucose ingestion? 2) Which endogenous factors are associated with the concentrations of GLP-1? In particular, do elevated fasting glucose or glucagon levels diminish GLP-1 responses?..
Dorothy Hodgkin Lecture 2008. Gastric inhibitory polypeptide (GIP) revisited: a new therapeutic target for obesity-diabetes?P R Flatt
School of Biomedical Sciences, University of Ulster, Coleraine
Diabet Med 25:759-64. 2008There is increasing realization that gastric inhibitory polypeptide (GIP) has actions outside of the pancreas and gastrointestinal tract...
Gastric inhibitory polypeptide modulates adiposity and fat oxidation under diminished insulin actionHeying Zhou
Department of Diabetes and Clinical Nutrition, Kyoto University Graduate School of Medicine, Kyoto, Japan
Biochem Biophys Res Commun 335:937-42. 2005Gut hormone gastric inhibitory polypeptide (GIP) stimulates insulin secretion from pancreatic beta-cells upon ingestion of nutrients...
Incretin levels and effect are markedly enhanced 1 month after Roux-en-Y gastric bypass surgery in obese patients with type 2 diabetesBLANDINE LAFERRERE
Obesity Research Center, St Luke s Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, 1111 Amsterdam Ave, New York, NY 10025, USA
Diabetes Care 30:1709-16. 2007..We hypothesized that in obese patients with type 2 diabetes the impaired levels and effect of incretins changed as a consequence of RY-GBP...
Incretin release from gut is acutely enhanced by sugar but not by sweeteners in vivoYukihiro Fujita
Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, Canada V6T 1Z3
Am J Physiol Endocrinol Metab 296:E473-9. 2009..Collectively, our findings do not support the concept that release of incretins from enteroendocrine cells is triggered by carbohydrates via a pathway identical to the sensation of "sweet taste" in the tongue...
Secretion of incretin hormones and the insulinotropic effect of gastric inhibitory polypeptide in women with a history of gestational diabetesJ J Meier
Department of Medicine I, St Josef Hospital, Ruhr University of Bochum, Bochum, Germany
Diabetologia 48:1872-81. 2005The insulinotropic effect of gastric inhibitory polypeptide (GIP) is reduced in patients with type 2 diabetes and around 50% of their first-degree relatives under hyperglycaemic conditions...
Prolonged saturated fat-induced, glucose-dependent insulinotropic polypeptide elevation is associated with adipokine imbalance and liver injury in nonalcoholic steatohepatitis: dysregulated enteroadipocyte axis as a novel feature of fatty liverGiovanni Musso
Gradenigo Hospital, Turin, Italy
Am J Clin Nutr 89:558-67. 2009..We hypothesized that altered GIP secretion may contribute to the pathogenesis of NAFLD...
Changes in insulin resistance following bariatric surgery: role of caloric restriction and weight lossAndrew A Gumbs
Department of Surgery, Yale University School of Medicine, New Haven, CT, USA
Obes Surg 15:462-73. 2005..Observed changes in glucose metabolism and insulin resistance following bariatric surgery do not require the posit of novel regulatory mechanisms...
Glucose-dependent insulinotropic polypeptide (GIP) stimulates transepithelial glucose transportSatish K Singh
Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
Obesity (Silver Spring) 16:2412-6. 2008..GIP stimulates cellular accumulation of cAMP and thereby upregulates glucose transport. The GIP-induced increase in glucose transport appears to be mediated, at least in part, by SGLT-1...
In vivo and in vitro screening for illegitimate receptors in adrenocorticotropin-independent macronodular adrenal hyperplasia causing Cushing's syndrome: identification of two cases of gonadotropin/gastric inhibitory polypeptide-dependent hypercortisolismJerome Bertherat
Institut Fédératif de Recherche Multidisciplinaires sur les Peptides 23, Institut National de la Santé et de la Recherche Médicale U413, Department of Endocrinology, Hospital of Boisguillaume, Centre Hospitalier Universitaire of Rouen, France
J Clin Endocrinol Metab 90:1302-10. 2005..of the two patients who responded in vivo to food intake (H2 and H4) were stimulated in vitro by gastric inhibitory polypeptide. GnRH and human chorionic gonadotropin, but not FSH, stimulated cortisol secretion in patients H2 and ..
Glucose-dependent insulinotropic polypeptide may enhance fatty acid re-esterification in subcutaneous abdominal adipose tissue in lean humansMeena Asmar
1Department of Clinical Physiology Nuclear Medicine, Bispebjerg Hospital, Copenhagen, Denmark
Diabetes 59:2160-3. 2010..In humans, however, there is no clear evidence of GIP effecting lipid metabolism. The present experiments were performed in order to elucidate the effects of GIP on regional adipose tissue metabolism...
A novel, long-acting agonist of glucose-dependent insulinotropic polypeptide suitable for once-daily administration in type 2 diabetesNigel Irwin
School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, UK
J Pharmacol Exp Ther 314:1187-94. 2005....
Glucose-dependent insulinotropic peptide (GIP) gene expression in the rat salivary glandC C Tseng
Harvard Digestive Disease Center, Department of Medicine, Harvard Medical School, Boston, MA, USA
Mol Cell Endocrinol 115:13-9. 1995....
Glucose-dependent insulinotropic polypeptide analogues and their therapeutic potential for the treatment of obesity-diabetesVictor A Gault
School of Biomedical Sciences, University of Ulster, Cromore Road, Coleraine BT52 1SA, Northern Ireland, UK
Biochem Biophys Res Commun 308:207-13. 2003..The purpose of this article was to provide an overview of the biological effects of several GIP modifications and to highlight the potential of such analogues in the treatment of type 2 diabetes and obesity...
Mapping interactions of gastric inhibitory polypeptide with GIPR N-terminus using NMR and molecular dynamics simulationsSonali H Tikhele
Department of Pharmaceutical Chemistry, Bombay College of Pharmacy, Kalina, Santacruz E, Mumbai 400 098, India
J Pept Sci 16:383-91. 2010Glucose-dependent insulinotropic polypeptide (gastric inhibitory polypeptide, or GIP), a 42-amino acid incretin hormone, modulates insulin secretion in a glucose-concentration-dependent manner...
Chemical ablation of gastric inhibitory polypeptide receptor action by daily (Pro3)GIP administration improves glucose tolerance and ameliorates insulin resistance and abnormalities of islet structure in obesity-related diabetesVictor A Gault
School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
Diabetes 54:2436-46. 2005Glucose-dependent insulinotropic polypeptide (gastric inhibitory polypeptide [GIP]) is an important incretin hormone secreted by endocrine K-cells in response to nutrient ingestion...
QTL detection on porcine chromosome 12 for fatty-acid composition and association analyses of the fatty acid synthase, gastric inhibitory polypeptide and acetyl-coenzyme A carboxylase alpha genesG Munoz
Departamento de Mejora Genética Animal, INIA, 28040 Madrid, Spain
Anim Genet 38:639-46. 2007..Similarly, gastric inhibitory polypeptide (GIP) and acetyl-coenzyme A carboxylase alpha (ACACA) were tested as candidate genes for the second ..
DPP IV resistance and insulin releasing activity of a novel di-substituted analogue of glucose-dependent insulinotropic polypeptide, (Ser2-Asp13)GIPV A Gault
School of Biomedical Sciences, University of Ulster, Coleraine BT52 1SA, Northern Ireland, UK
Cell Biol Int 27:41-6. 2003....
The insulinotropic effect of GIP is impaired in patients with chronic pancreatitis and secondary diabetes mellitus as compared to patients with chronic pancreatitis and normal glucose toleranceFilip K Knop
Department of Internal Medicine F, Gentofte Hospital, University of Copenhagen, Denmark
Regul Pept 144:123-30. 2007..The incretin effect is reduced and the insulinotropic effect of the incretin hormone glucose-dependent insulinotropic polypeptide (GIP) is abolished in patients with type 2 diabetes mellitus (T2DM)...
Effects on glucose homeostasis and insulin secretion of long term activation of the glucose-dependent insulinotropic polypeptide (GIP) receptor by N-AcGIP(LysPAL37) in normal miceNigel Irwin
Diabetes Research Group, School of Biomedical Sciences, University of Ulster, Coleraine BT52 1SA, Northern Ireland, UK
Peptides 27:893-900. 2006..These data indicate that long term activation of the GIP receptor by daily treatment with N-AcGIP(LysPAL37) improved glucose tolerance due to enhancement of pancreatic beta cell glucose responsiveness and insulin secretion...
Activation of sodium-glucose cotransporter 1 ameliorates hyperglycemia by mediating incretin secretion in miceRyuichi Moriya
Banyu Tsukuba Research Institute, Merck Research Laboratory, Tsukuba, Ibaraki, Japan
Am J Physiol Endocrinol Metab 297:E1358-65. 2009..Our findings indicate that SGLT1 serves as the intestinal glucose sensor for glucose-induced incretin secretion and that a noncalorigenic SGLT1 substrate ameliorates hyperglycemia by stimulating incretin secretion...
Adaptive selection of an incretin gene in Eurasian populationsChia Lin Chang
Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital Linkou Medical Center, Chang Gung University, Kweishan, Taoyuan 333, Taiwan
Genome Res 21:21-32. 2011....
Differential responses of the incretin hormones GIP and GLP-1 to increasing doses of dietary carbohydrate but not dietary protein in lean ratsStephanie M Yoder
Department of Pathology, Univ of Cincinnati, OH, USA
Am J Physiol Gastrointest Liver Physiol 299:G476-85. 2010..Additionally, we found that the GIP-secreting cells were more sensitive than the GLP-1-secreting cells to changes in intestinal carbohydrate content...
The pathophysiology of diabetes involves a defective amplification of the late-phase insulin response to glucose by glucose-dependent insulinotropic polypeptide-regardless of etiology and phenotypeT Vilsbøll
Department of Internal Medicine F, Gentofte Hospital, DK 2900 Hellerup, Denmark
J Clin Endocrinol Metab 88:4897-903. 2003..In conclusion, lack of GIP amplification of the late-phase plasma insulin response to glucose seems to be a consequence of diabetes mellitus, characterizing most, if not all, forms of diabetes...
Metabolic effects of sub-chronic ablation of the incretin receptors by daily administration of (Pro3)GIP and exendin(9-39)amide in obese diabetic (ob/ob) miceJeremy C Parker
School of Biomedical Sciences, University of Ulster, Coleraine BT52 1SA, Northern Ireland, UK
Biol Chem 388:221-6. 2007..These studies highlight an important role for GIP in obesity-related forms of diabetes, suggesting the possible involvement of GLP-1 in the beneficial actions of GIP receptor antagonism...
Impairment of the insulinotropic effect of gastric inhibitory polypeptide (GIP) in obese and diabetic rats is related to the down-regulation of its pancreatic receptorsS M Younan
Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
Gen Physiol Biophys 26:181-93. 2007..there is a possibility that an important part of the impaired insulin secretion is due to the gastric inhibitory polypeptide (GIP) hormone...
The cysteine of the cytoplasmic tail of glucose-dependent insulinotropic peptide receptor mediates its chronic desensitization and down-regulationC C Tseng
Section of Gastroenterology, Boston VA Medical Center and Boston University School of Medicine, MA 02118, USA
Mol Cell Endocrinol 139:179-86. 1998..The data suggest that chronic desensitization and down-regulation of the GIP-R may be mediated by similar mechanisms, and that the cysteine in the carboxyl terminus plays an essential role in regulating both processes...
Coingestion of acylglycerols differentially affects glucose-induced insulin secretion via glucose-dependent insulinotropic polypeptide in C57BL/6J miceAkira Shimotoyodome
Biological Science Laboratories, Kao Corporation, Tochigi 321 3497, Japan
Endocrinology 150:2118-26. 2009..DAG promotes a lower GIP and thereby reduced insulin responses compared with triacylglycerol, which may differentially influence postprandial energy homeostasis...
Stimulation of incretin secretion by dietary lipid: is it dose dependent?Stephanie M Yoder
University of Cincinnati, Department of Pathology and Laboratory Medicine, ML 0507, Cincinnati, OH 45237, USA
Am J Physiol Gastrointest Liver Physiol 297:G299-305. 2009..As lipid reaches the distal portion of the gut, GLP-1 is secreted in a dose-dependent manner to reduce intestinal motility and enhance proximal fat absorption...
KATP channel closure ameliorates the impaired insulinotropic effect of glucose-dependent insulinotropic polypeptide in patients with type 2 diabetesKasper Aaboe
Department of Internal Medicine F, Gentofte Hospital, University of Copenhagen, Niels Andersens Vej 65, Hellerup DK 2900, Denmark
J Clin Endocrinol Metab 94:603-8. 2009..With this study we therefore aimed at clarifying the role of K(ATP) channel malfunction in the impaired function of GIP...
Functional expression of glucose-dependent insulinotropic polypeptide receptors is coupled to differentiation in a human adipocyte modelR E Weaver
Institute of Membrane and System Biology, Faculty of Biological Sciences, University of Leeds, Leeds, UK
Int J Obes (Lond) 32:1705-11. 2008....
Regulation of glucose-dependent insulinotropic polypeptide release by protein in the ratM M Wolfe
Section of Gastroenterology, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts 02118, USA
Am J Physiol Gastrointest Liver Physiol 279:G561-6. 2000..The effects of acid on GIP are consistent with a role for GIP as an enterogastrone in the rat...
Incretin hormone and insulin responses to oral versus intravenous lipid administration in humansOla Lindgren
Department of Clinical Sciences Lund, Lund University, SE 22184 Lund, Sweden
J Clin Endocrinol Metab 96:2519-24. 2011..The incretin effect is responsible for the higher insulin response to oral glucose than to iv glucose at matching glucose levels. It is not known whether this effect is restricted to glucose only...
Carriers of the TCF7L2 rs7903146 TT genotype have elevated levels of plasma glucose, serum proinsulin and plasma gastric inhibitory polypeptide (GIP) during a meal testA P Gjesing
Steno Diabetes Center, Hagedorn Research Institute, Gentofte, Denmark
Diabetologia 54:103-10. 2011..insulin, C-peptide, glucagon, glucagon-like peptide-1 (GLP-1), glucagon-like peptide-2 (GLP-2) and gastric inhibitory polypeptide (GIP) among individuals carrying the high-risk rs7903146 TT genotype and low-risk CC genotype ..
Glucose-dependent insulinotropic polypeptide is a growth factor for beta (INS-1) cells by pleiotropic signalingA Trumper
Department of Internal Medicine, Division of Gastroenterology and Metabolism, Philipps University, Marburg, Germany D 35033
Mol Endocrinol 15:1559-70. 2001....
Effects of gastric inhibitory polypeptide (GIP) and related analogues on glucagon release at normo- and hyperglycaemia in Wistar rats and isolated isletsRoslyn S Cassidy
School of Biomedical Sciences, University of Ulster, Coleraine BT52 1SA, Northern Ireland, UK
Biol Chem 389:189-93. 2008..However, the GIP agonists N-AcGIP, GIP(Lys37)PAL and N-AcGIP(Lys37)PAL had no effect on glucagon release demonstrating an improved therapeutic potential for the treatment of type 2 diabetes...
Cushing's syndrome due to a gastric inhibitory polypeptide-dependent adrenal adenoma: insights into hormonal control of adrenocortical tumorigenesisO Chabre
Services d Endocrinologie, Centre Hospitalier Universitaire, Grenoble, France olivier
J Clin Endocrinol Metab 83:3134-43. 1998..In vitro, cortisol secretion by isolated tumor cells was stimulated by the gut hormone gastric inhibitory polypeptide (GIP) and ACTH, but not by another gut hormone, glucagon-like peptide-1 (GLP-1)...
(Pro(3))GIP[mPEG]: novel, long-acting, mPEGylated antagonist of gastric inhibitory polypeptide for obesity-diabetes (diabesity) therapyP L McClean
School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, UK
Br J Pharmacol 155:690-701. 2008Antagonism of the gastric inhibitory polypeptide (GIP) receptor with daily injection of proline-3 gastric inhibitory polypeptide ((Pro(3))GIP) can reverse or prevent many of the metabolic abnormalities associated with diet-induced obesity-..
Role of gastrointestinal hormones in postprandial reduction of bone resorptionDennis B Henriksen
Nordic Bioscience, Herlev, Denmark
J Bone Miner Res 18:2180-9. 2003..Investigations led to a dose escalation study with glucagon like peptide-2 (GLP-2) in postmenopausal women. We found a dose-dependent effect of GLP-2 on the reduction of bone resorption...
Glucose-dependent insulinotropic polypeptide promotes beta-(INS-1) cell survival via cyclic adenosine monophosphate-mediated caspase-3 inhibition and regulation of p38 mitogen-activated protein kinaseJan A Ehses
Department of Physiology, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
Endocrinology 144:4433-45. 2003....
Glucose-dependent insulinotropic peptide-overexpressing transgenic mice have increased bone massDing Xie
Institute of Molecular Medicine and Genetics, Medical College of Georgia, CB 2803, 1120 15th Street, Augusta, GA 30912, USA
Bone 40:1352-60. 2007..In view of GIP's role in nutrient absorption, our data suggest that this hormone may serve an important role in linking nutrient ingestion to bone formation...
Dipeptidyl peptidase inhibitors as new drugs for the treatment of type 2 diabetesH J Mest
Lilly Research Laboratories, Lilly Forschung, Essener Bogen 7, 22419 Hamburg, Germany
Diabetologia 48:616-20. 2005..Based on their mode of action, DPP-IV inhibitors seem to be of particular value in early forms of type 2 diabetes, either alone or in combination with other types of oral agents...
Physiology of GIP--a lesson from GIP receptor knockout miceY Yamada
Department of Diabetes and Clinical Nutrition, Kyoto University Graduate School of Medicine, Kyoto 606 8507, Japan
Horm Metab Res 36:771-4. 2004..implicated as transmitters of signals from the gut to pancreatic beta-cells was referred to incretin; gastric inhibitory polypeptide or glucose-dependent insulinotropic polypeptide (GIP) is identified as one of the incretins...
The [pre-] history of the incretin conceptWerner Creutzfeldt
Department of Medicine, Georg August Universitat, Gottingen, Germany
Regul Pept 128:87-91. 2005..Thereafter, multiple antidiabetic qualities and the therapeutic perspectives of GLP-1(7-36) and its analogues and mimetics have been demonstratred...
Reduced hepatic insulin extraction in response to gastric inhibitory polypeptide compensates for reduced insulin secretion in normal-weight and normal glucose tolerant first-degree relatives of type 2 diabetic patientsNatalia N Rudovich
, Department of Clinical Nutrition, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
Diabetes 53:2359-65. 2004..with type 2 diabetes (FDRs) have altered insulin secretion and insulin clearance in response to gastric inhibitory polypeptide (GIP) in combination with glucose and arginine. A hyperglycemic clamp (11...
Secretion, degradation, and elimination of glucagon-like peptide 1 and gastric inhibitory polypeptide in patients with chronic renal insufficiency and healthy control subjectsJuris J Meier
Department of Medicine I, St Josef Hospital, Ruhr University Bochum, Bochum, Germany
Diabetes 53:654-62. 2004Glucagon-like peptide 1 (GLP-1) and gastric inhibitory polypeptide (GIP) are important factors in the pathogenesis of type 2 diabetes and have a promising therapeutic potential...
Hormonal changes after Roux-en Y gastric bypass for morbid obesity and the control of type-II diabetes mellitusRonald H Clements
Department of Surgery, Section of Gastrointestinal Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
Am Surg 70:1-4; discussion 4-5. 2004..for demographics and fasting levels of the following: glucose, insulin, C-peptide, glucagon, cortisol, gastric inhibitory polypeptide (GIP), and glucagon-like peptide-1 (GLP-1)...
Effect of exogenous or endogenous gastric inhibitory polypeptide (GIP) on plasma triglyceride responses in ratsR Ebert
Zentrum Innere Medizin, Abteilung Gastroenterologie und Endokrinologie, Universitätsklinik Göttingen, Germany
Horm Metab Res 23:517-21. 1991..The gut peptide GIP seems to represent an important hormonal regulator of postprandial triglyceride response...
Effects of short-term chemical ablation of the GIP receptor on insulin secretion, islet morphology and glucose homeostasis in miceNigel Irwin
Diabetes Research Group, School of Biomedical Sciences, University of Ulster, Coleraine BT52 1SA, Northern Ireland, UK
Biol Chem 385:845-52. 2004..These data indicate that ablation of GIP signaling causes a readily reversible glucose intolerance without appreciable change of insulin secretion...
Gastric inhibitory polypeptide as an endogenous factor promoting new bone formation after food ingestionKatsushi Tsukiyama
Department of Diabetes and Clinical Nutrition, Kyoto University Graduate School of Medicine, Sakyo ku, Kyoto 606 8507, Japan
Mol Endocrinol 20:1644-51. 2006..Meal ingestion elicits secretion of the gut hormone gastric inhibitory polypeptide (GIP) from endocrine K cells in the duodenum...
Extrapancreatic effects of GIP and GLP-1A Vella
Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester MN 55905, USA
Horm Metab Res 36:830-6. 2004..These effects may be of considerable importance in the treatment of postprandial hyperglycemia although they are not, strictly speaking, the result of a direct incretin effect on glucose metabolism...
Effects of glucose-dependent insulinotropic peptide on behaviorKe Hong Ding
Medical College of Georgia, Institute of Molecular Medicine and Genetics, Department of Medicine, CB 2803, 1120 15th Street, Augusta, GA 30912, USA
Peptides 27:2750-5. 2006..These data suggest that the GIP receptor plays a role in the regulation of locomotor activity and exploration. To our knowledge, this is the first report of effects of GIP on behavior...
Gastric inhibitory polypeptide and glucagon-like peptide-1 in the pathogenesis of type 2 diabetesMichael A Nauck
Diabeteszentrum Bad Lauterberg, Kirchberg 21, D 37431 Bad Lauterberg im Harz
Diabetes 53:S190-6. 2004..On the other hand, this provides a basis to use incretin hormones, especially GLP-1 and its derivatives, to replace a deficiency in incretin-mediated insulin secretion in the treatment of type 2 diabetes...
Incretins, diabetes, and bariatric surgery: a reviewRachel Fetner
Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, St. Luke's-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, New York, USA
Surg Obes Relat Dis 1:589-97; discussion 597-8. 2005
Hyperglycemia acutely lowers the postprandial excursions of glucagon-like Peptide-1 and gastric inhibitory polypeptide in humansKirsten Vollmer
Department of Medicine I, St Josef Hospital, Ruhr University Bochum, Bochum, Germany
J Clin Endocrinol Metab 94:1379-85. 2009..We examined whether acute hyperglycemia reduces the postprandial excursions of gastric inhibitory polypeptide (GIP) and GLP-1, and if so, whether this can be attributed to changes in gastric emptying.
Determinants of the impaired secretion of glucagon-like peptide-1 in type 2 diabetic patientsM B Toft-Nielsen
Department of Endocrinology, Hvidovre Hospital, University of Copenhagen, DK-2650 Hvidovre, Denmark
J Clin Endocrinol Metab 86:3717-23. 2001..We conclude that the meal-related glucagon-like peptide-1 response in type 2 diabetes is decreased, which may contribute to the decreased incretin effect in type 2 diabetes...
Defective glucose-dependent insulinotropic polypeptide receptor expression in diabetic fatty Zucker ratsF C Lynn
Department of Physiology, University of British Columbia, Vancouver, Canada
Diabetes 50:1004-11. 2001..These data suggest that the decreased effectiveness of GIP in the VDF rat and in type 2 diabetes may be a result of a decreased receptor expression in the islet...
Insulinotropic effects of cholecystokinin, gastric inhibitory polypeptide and glucagon-like peptide-1 during perifusion of short-term cultured canine isolated isletsM P van der Burg
Department of Surgery, University Hospital, Leiden, Netherlands
Regul Pept 60:61-7. 1995..rather than physiological levels of the incretin candidates cholecystokinin-33 (CCK-33), gastric inhibitory polypeptide (GIP), and glucagon-like peptide-1 (GLP-1) on isolated perifused islets have been reported...
Reduced postprandial concentrations of intact biologically active glucagon-like peptide 1 in type 2 diabetic patientsT Vilsbøll
Department of Internal Medicine F, Gentofte Hospital, University of Copenhagen, Denmark
Diabetes 50:609-13. 2001....
Endocrine and metabolic response to gastric bypassJabbar Saliba
Department of Surgery, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
Curr Opin Clin Nutr Metab Care 12:515-21. 2009..One putative explanation relates to hormonal effects accompanying Roux-en-Y gastric bypass. We reviewed the existing and recent literature to investigate the hormonal changes accompanying Roux-en-Y gastric bypass...
Deficiency of glucose-dependent insulinotropic polypeptide receptor prevents ovariectomy-induced obesity in miceFrank Isken
Department of Endocrinology, Diabetes and Nutrition, Charite University Medicine, Campus Benjamin Franklin, Hindenburgdamm 30, Berlin, Germany
Am J Physiol Endocrinol Metab 295:E350-5. 2008..GIP receptors thus interact with estrogens in the hypothalamic regulation of food intake in mice, and their blockade may carry promising potential for the prevention of obesity in gonadal steroid deficiency...
Postprandial stimulation of insulin release by glucose-dependent insulinotropic polypeptide (GIP). Effect of a specific glucose-dependent insulinotropic polypeptide receptor antagonist in the ratC C Tseng
Gastroenterology Division, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
J Clin Invest 98:2440-5. 1996..It is concluded that GIP (7-30)-NH2 is a GIP-specific receptor antagonist and that GIP plays a dominant role in mediating postprandial insulin release...
Glucose intolerance caused by a defect in the entero-insular axis: a study in gastric inhibitory polypeptide receptor knockout miceK Miyawaki
Department of Metabolism, Graduate School of Medicine, Kyoto University, Kyoto 606 8507, Japan
Proc Natl Acad Sci U S A 96:14843-7. 1999Mice with a targeted mutation of the gastric inhibitory polypeptide (GIP) receptor gene (GIPR) were generated to determine the role of GIP as a mediator of signals from the gut to pancreatic beta cells...
Decreased TCF7L2 protein levels in type 2 diabetes mellitus correlate with downregulation of GIP- and GLP-1 receptors and impaired beta-cell functionLuan Shu
Islet Biology Laboratory, Centre for Biomolecular Interactions Bremen, University of Bremen, Bremen, Germany
Hum Mol Genet 18:2388-99. 2009..Our findings suggest that beta-cell function and survival are regulated through an interplay between TCF7L2 and GLP-1R/GIP-R expression and signaling in T2DM...
Glucose-dependent insulinotropic polypeptide (Gastric Inhibitory Polypeptide; GIP)Christopher H S McIntosh
Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, Canada
Vitam Horm 80:409-71. 2009Glucose-dependent insulinotropic polypeptide (GIP; gastric inhibitory polypeptide) is a 42 amino acid hormone that is produced by enteroendocrine K-cells and released into the circulation in response to nutrient stimulation...
Do Incretins play a role in the remission of type 2 diabetes after gastric bypass surgery: What are the evidence?Mousumi Bose
New York Obesity Research Center, St Luke s Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, 1111 Amsterdam Avenue, New York, NY 10025, USA
Obes Surg 19:217-29. 2009..Our goals are to provide a thorough update on this field of research so that recommendations for future research and criteria for bariatric surgery can be evaluated...
Glucose-dependent insulinotropic polypeptide stimulation of lipolysis in differentiated 3T3-L1 cells: wortmannin-sensitive inhibition by insulinC H McIntosh
Department of Physiology, University of British Columbia, Vancouver, Canada
Endocrinology 140:398-404. 1999....
Incretin hormones--an updateJ J Holst
Department of Medical Physiology, The Panum Institute, University of Copenhagen, Denmark
Scand J Clin Lab Invest Suppl 234:75-85. 2001..important incretin hormones are glucose-dependent insulinotropic polypeptide (GIP, previously known as gastric inhibitory polypeptide) and glucagon-like peptide-1 (GLP-1) from the upper and lower small intestinal mucosa, respectively...
Detection of glycated gastric inhibitory polypeptide within the intestines of diabetic obese (ob/ob) miceM H Mooney
School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland
Endocrine 16:167-71. 2001b>Gastric inhibitory polypeptide (GIP) is produced within endocrine cells of the small intestine and released into the circulation upon nutrient ingestion...
GIP receptor antagonism reverses obesity, insulin resistance, and associated metabolic disturbances induced in mice by prolonged consumption of high-fat dietPaula L McClean
School of Biomedical Sciences, Univ of Ulster, Coleraine, Northern Ireland, BT52 1SA, United Kingdom
Am J Physiol Endocrinol Metab 293:E1746-55. 2007The gut hormone gastric inhibitory polypeptide (GIP) plays a key role in glucose homeostasis and lipid metabolism...
Sequence of an intestinal cDNA encoding human gastric inhibitory polypeptide precursorJ Takeda
Department of Internal Medicine, Kyoto University School of Medicine, Japan
Proc Natl Acad Sci U S A 84:7005-8. 1987b>Gastric inhibitory polypeptide (GIP) is a 42-amino acid hormone that stimulates insulin secretion in the presence of glucose. Complementary DNA clones encoding human GIP were isolated from a library prepared with RNA from duodenum...
GIP or not GIP? That is the questionTimothy J Kieffer
Departments of Physiology and Surgery, 2146 Health Sciences Mall, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
Trends Pharmacol Sci 24:110-2. 2003..However, a recent study using GIP receptor knockout mice suggests that inhibition of GIP signalling might be a new target for anti-obesity drugs...
Degradation of endogenous and exogenous gastric inhibitory polypeptide in healthy and in type 2 diabetic subjects as revealed using a new assay for the intact peptideC F Deacon
Department of Medical Physiology, The Panum Institute, University of Copenhagen, Denmark
J Clin Endocrinol Metab 85:3575-81. 2000b>Gastric inhibitory polypeptide (GIP) is susceptible to degradation, but only recently has dipeptidyl peptidase IV been identified as the enzyme responsible...
Research Grants
- Leptin and Neuroendocrine Gene Regulation in ObesityJudith Korner; Fiscal Year: 2005..abstract_text> ..
- Role of Gastrin in the Pathogenesis of Colorectal CancerMichael Wolfe; Fiscal Year: 2007..The answers to these provocative hypotheses can only be achieved by gaining a thorough understanding of the molecular mechanisms by which gastrin exerts its trophic properties. ..
- Glucose-dependent Insulinotropic Peptide & Bone TurnoverCarlos Isales; Fiscal Year: 2006..This in turn may signal GIP as a potential hormone target for pharmacologic intervention in bone pathologies such as osteoporosis. ..
- 8th International Symposium for VIP, PACAP & Related PeptidesVictor May; Fiscal Year: 2007..The 8th International Symposium aims to continue that information and technology transfer to accelerate new developments. ..
- DEFINITION OF THE PHYSIOLOGICAL PROPERTIES OF GIPM Wolfe; Fiscal Year: 2001....
- Mechanisms of Diabetes Control After Weight Loss SurgeryBLANDINE LAFERRERE; Fiscal Year: 2006..As more obese diabetic patients undergo GBP, understanding the mechanisms that produce improvement in their diabetes is increasingly important. ..
- Mechanisms of Diabetes Control After Weight Loss SurgeryBLANDINE B LAFERRERE; Fiscal Year: 2010..We wish to apply our findings to possible medical alternatives for the treatment of obesity and T2DM. ..
- Mechanisms of Diabetes Control After Weight Loss SurgeryBLANDINE B LAFERRERE; Fiscal Year: 2010..We wish to apply our findings to possible medical alternatives for the treatment of obesity and T2DM. ..
- AGE, EXERCISE, DIET--EFFECTS ON GLUCOSE FATTY ACID CYCLEJohn Kirwan; Fiscal Year: 2002..7) Improvements in glucose and fat metabolism at rest and during a HEC after exercise training and dietart intervention are related to changes in body composition and a reduction in abdominal fat. ..
- Age, Exercise, Diet: Effects on Insulin ResistanceJohn Kirwan; Fiscal Year: 2007..abstract_text> ..
- DIETARY SUPPLEMENT AND EXERCISE ON WEIGHT LOSS, ENERGY EXPENDITURE & BODY COMPJohn Kirwan; Fiscal Year: 1999..data on the effects of the interventions on insulin, leptin and tumor necrosis factor alpha in a young, moderately obese population who are at risk for the development of non-insulin dependent diabetes mellitus ..
- AGE, EXERCISE AND DIET EFFECTS ON GLUCOSE AND FATTY ACIDJohn Kirwan; Fiscal Year: 1999..7) Improvements in glucose and fat metabolism at rest and during a HEC after exercise training and dietart intervention are related to changes in body composition and a reduction in abdominal fat. ..
- EFFECTS OF EXERCISE INDUCED MUSCLE TISSUE DAMAGE & INSULIN SIGNALINGJohn Kirwan; Fiscal Year: 1999..abstract_text> ..
- Effect of Bariatric Surgery on Mechanisms of Type 2 Diabetes: The B2D TrialPhilip R Schauer; Fiscal Year: 2010..The proposed research will compare Bariatric Surgery with Intensive Medical Therapy using a randomized control trial in moderately obese patients with type 2 diabetes. ..
- AGE, EXERCISE, DIET--EFFECTS ON GLUCOSE FATTY ACID CYCLEJohn Kirwan; Fiscal Year: 2000..7) Improvements in glucose and fat metabolism at rest and during a HEC after exercise training and dietary intervention are related to changes in body composition and a reduction in abdominal fat. ..
- Role of GPR40 in the regulation of insulin secretionVincent Poitout; Fiscal Year: 2005..As an alternative approach, we will knock down GPR40 expression in isolated adult mouse islets by RNA silencing using adenoviral technology. ..
- Mechanisms of Fatty-Acid Inhibition of the Insulin GeneVincent Poitout; Fiscal Year: 2007..It will provide new therapeutic targets aimed at preserving insulin secretion in type 2 diabetes, a devastating disease that affects more than 18 million Americans. ..
- The Significance of Leptin Signals to Neonatal Somatotropes and GonadotropesGwen Childs; Fiscal Year: 2009..This proposal thus addresses important questions about how leptin can affect reproductive competence at the level of the pituitary. ..
- Defintion of the Physiological Properties of GIPMichael Wolfe; Fiscal Year: 2007..abstract_text> ..
- The effect of bariatric surgery on carbohydrate metabolismAdrian Vella; Fiscal Year: 2010..Understanding the effect of these interventions on glucose metabolism and GLP-1 secretion (amongst other gut hormones) will immeasurably increase our ability to develop new treatment strategies in individuals affected with diabetes. ..
- Mechanisms of ileal-induced weight lossAPRIL STRADER; Fiscal Year: 2005..Together these specific aims will help clarify the mechanisms underlying obesity surgery and may contribute to the development of more effective treatments for obesity. ..
- STRUCTURE-FUNCTION RELATIONSHIPS OF THE CCK-B RECEPTORAlan Kopin; Fiscal Year: 1993....
- Role of Insulin Regulation of Beta Cell Function in Vivo and in VitroAllison Goldfine; Fiscal Year: 2007..These studies may provide a unifying explanation linking the combined defects in insulin secretion and action that underlie type 2 diabetes. ..
- Genetic Analysis of Feeding Behavior and Fat DepositionAlan Kopin; Fiscal Year: 2009..Outliers will be characterized as described above. We anticipate that the proposed studies will identify novel genes relevant to the pathophysiology of human obesity. ..
- The Effect of TCF7L2 on Glucose MetabolismAdrian Vella; Fiscal Year: 2009..Understanding the effect of this gene on glucose metabolism and GLP-1 secretion will immeasurably increase our ability to target prevention strategies to predisposed individuals. ..
- Studies of Sulfonylurea Receptors and KATP ChannelsJoseph Bryan; Fiscal Year: 2007..x interacts with the L0 linker of SURs to control bursting. (3) To define further the sulfonylurea/glibenclamide binding pocket of SUR1, specifically to identify amino acids in proximity to the meglitinide head group. ..
- The role of GLP-1 in normal and abnormal glucose toleranceDAVID D ALESSIO; Fiscal Year: 2009..The goal of this project is to understand the different mechanisms by which GLP-1 acts to allow new and more refined applications of this system to the treatment of diabetes. ..
- GPCR Variants as Genetic Determinants of ObesityAlan Kopin; Fiscal Year: 2009..In Aim 3, combinations of anorexigenic, orexigenic and hedonic receptor variants will be assessed as potential synergistic or additive factors underlying the polygenic basis of obesity and/or other Look AHEAD study endpoints. ..
- BRAIN ENERGY METABOLISM AND HYPOGLYCEMIAPatrick Boyle; Fiscal Year: 2003..Better metabolic control, the key to the prevention of long-term complications of diabetes, will thus become more achievable. ..
- Leptin and Neuroendocrine Gene Regulation in ObesityJudith Korner; Fiscal Year: 2005..Leibel and Dr. Wardlaw, are experienced in basic and clinical research. They are easily accessible, enthusiastic about my projects, and will facilitate my transition to status as an independent investigator. ..
- Genetic Analysis of Feeding Behavior and Fat DepositionAlan Kopin; Fiscal Year: 2007..Outliers will be characterized as described above. We anticipate that the proposed studies will identify novel genes relevant to the pathophysiology of human obesity ..
- STRUCTURE/FUNCTION OF THE CCK-B/GASTRIN RECEPTORAlan Kopin; Fiscal Year: 2004....
