Search Results - "Demuth, HU"
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The Crystal Structure of Dipeptidyl Peptidase IV (CD26) Reveals Its Functional Regulation and Enzymatic Mechanism
Published in Proceedings of the National Academy of Sciences - PNAS (29-04-2003)“…The membrane-bound glycoprotein dipeptidyl peptidase IV (DP IV, CD26) is a unique multifunctional protein, acting as receptor, binding and proteolytic…”
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Type 2 diabetes—Therapy with dipeptidyl peptidase IV inhibitors
Published in Biochimica et biophysica acta (01-08-2005)“…The sole application of an inhibitor of the dipeptidyl peptidase DP IV (also DP 4, CD26, DPP-IV or DPP-4) to a mammal subsequently leading to improved glucose…”
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3
Proteolytic degradation of neuropeptide Y (NPY) from head to toe: Identification of novel NPY‐cleaving peptidases and potential drug interactions in CNS and Periphery
Published in Journal of neurochemistry (01-12-2015)“…The bioactivity of neuropeptide Y (NPY) is either N‐terminally modulated with respect to receptor selectivity by dipeptidyl peptidase 4 (DP4)‐like enzymes or…”
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4
Glutaminyl cyclases unfold glutamyl cyclase activity under mild acid conditions
Published in FEBS letters (09-04-2004)“…N-terminal pyroglutamate (pGlu) formation from glutaminyl precursors is a posttranslational event in the processing of bioactive neuropeptides such as…”
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Dipeptidyl Peptidase IV Inhibitor Treatment Stimulates β-Cell Survival and Islet Neogenesis in Streptozotocin-Induced Diabetic Rats
Published in Diabetes (New York, N.Y.) (01-03-2003)“…Dipeptidyl Peptidase IV Inhibitor Treatment Stimulates β-Cell Survival and Islet Neogenesis in Streptozotocin-Induced Diabetic Rats J. Andrew Pospisilik 1 ,…”
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Dipeptidyl peptidase IV inhibitors: how do they work as new antidiabetic agents?
Published in Regulatory Peptides (15-06-2005)“…A number of new approaches to diabetes therapy are currently undergoing clinical trials, including those involving stimulation of the pancreatic β-cell with…”
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Book Review Conference Proceeding Journal Article -
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Isolation of an Isoenzyme of Human Glutaminyl Cyclase: Retention in the Golgi Complex Suggests Involvement in the Protein Maturation Machinery
Published in Journal of molecular biology (20-06-2008)“…Mammalian glutaminyl cyclase isoenzymes (isoQCs) were identified. The analysis of the primary structure of human isoQC (h-isoQC) revealed conservation of the…”
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Glucose-Dependent Insulinotropic Polypeptide Promotes β-(INS-1) Cell Survival via Cyclic Adenosine Monophosphate-Mediated Caspase-3 Inhibition and Regulation of p38 Mitogen-Activated Protein Kinase
Published in Endocrinology (Philadelphia) (01-10-2003)“…The incretin glucose-dependent insulinotropic polypeptide (GIP) is a major regulator of postprandial insulin secretion in mammals. Recent studies in our…”
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The First Potent Inhibitors for Human Glutaminyl Cyclase: Synthesis and Structure−Activity Relationship
Published in Journal of medicinal chemistry (26-01-2006)“…The first effective inhibitors for human glutaminyl cyclase (QC) are described. The structures are developed by applying a ligand-based optimization approach…”
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Intrathecal administration of p-hydroxymercuribenzoate or phosphoramidon/bestatin-combined induces antinociceptive effects through different opioid mechanisms
Published in Neuropeptides (Edinburgh) (01-10-1998)“…The antinociceptive effect of intrathecally (i.t.) administered protease inhibitors was tested against capsaicin (800 ng) injected into the dorsal surface of a…”
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Long-Term Treatment With the Dipeptidyl Peptidase IV Inhibitor P32/98 Causes Sustained Improvements in Glucose Tolerance, Insulin Sensitivity, Hyperinsulinemia, and β-Cell Glucose Responsiveness in VDF (fa/fa) Zucker Rats
Published in Diabetes (New York, N.Y.) (01-04-2002)“…Long-Term Treatment With the Dipeptidyl Peptidase IV Inhibitor P32/98 Causes Sustained Improvements in Glucose Tolerance, Insulin Sensitivity,…”
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Rigidity and Flexibility of Dipeptidyl Peptidase IV: Crystal Structures of and Docking Experiments with DPIV
Published in Journal of molecular biology (27-01-2006)“…Dipeptidyl peptidase IV (DPIV) is an α,β-hydrolase-like serine exopeptidase, which removes dipeptides, preferentially with a C-terminal l-Pro residue, from the…”
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13
Subcellular localization suggests novel functions for prolyl endopeptidase in protein secretion
Published in Journal of neurochemistry (01-08-2005)“…For a long time, prolyl endopeptidase (PEP) was believed to inactivate neuropeptides in the extracellular space. However, reports on the intracellular activity…”
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Long-term treatment with dipeptidyl peptidase IV inhibitor improves hepatic and peripheral insulin sensitivity in the VDF zucker rat: A euglycemic-hyperinsulinemic clamp study
Published in Diabetes (New York, N.Y.) (01-09-2002)“…Upon release into circulation, the potent insulin secretagogues glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) are…”
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Role of dipeptidyl peptidase IV in regulating activity of Na+/H+ exchanger isoform NHE3 in proximal tubule cells
Published in American Journal of Physiology: Cell Physiology (01-11-2004)“…We recently reported that NHE3 exists in multimeric complexes with dipeptidyl peptidase IV (DPPIV) in renal brush-border membranes. To examine the possible…”
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Improved glucose tolerance in Zucker fatty rats by oral administration of the dipeptidyl peptidase IV inhibitor isoleucine thiazolidide
Published in Diabetes (New York, N.Y.) (01-08-1998)“…Improved glucose tolerance in Zucker fatty rats by oral administration of the dipeptidyl peptidase IV inhibitor isoleucine thiazolidide. R A Pederson , H A…”
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Identification of human glutaminyl cyclase as a metalloenzyme. Potent inhibition by imidazole derivatives and heterocyclic chelators
Published in The Journal of biological chemistry (12-12-2003)“…Human glutaminyl cyclase (QC) was identified as a metalloenzyme as suggested by the time-dependent inhibition by the heterocyclic chelators 1,10-phenanthroline…”
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Role of glucose in chronic desensitization of isolated rat islets and mouse insulinoma (betaTC-3) cells to glucose-dependent insulinotropic polypeptide
Published in Journal of endocrinology (01-05-2000)“…It is well documented that the release of insulin from isolated perifused islets attenuates over time, despite a continued glucose stimulation. In the current…”
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Applications of dipeptidyl peptidase IV inhibitors in diabetes mellitus
Published in The international journal of biochemistry & cell biology (01-01-2006)“…A number of alternative therapies for type 2 diabetes are currently under development that take advantage of the actions of the incretin hormones glucagon-like…”
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Brain prolyl endopeptidase expression in aging, APP transgenic mice and Alzheimer's disease
Published in Neurochemical research (01-06-2005)“…Prolyl endopeptidase (PEP) is believed to inactivate neuropeptides that are present in the extracellular space. However, the intracellular localization of PEP…”
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