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https://www.readbyqxmd.com/read/28194113/cardiovascular-benefits-of-native-glp-1-and-its-metabolites-an-indicator-for-glp-1-therapy-strategies
#1
REVIEW
Junfeng Li, Juan Zheng, Susanne Wang, Harry K Lau, Ali Fathi, Qinghua Wang
Cardiovascular disease is a common co-morbidity and leading cause of death in patients with type 2 diabetes mellitus (T2DM). Glucagon-like peptide 1 (GLP-1) is a peptide hormone produced by intestinal L cells in response to feeding. Native GLP-1 (7-36) amide is rapidly degraded by diaminopeptidyl peptidase-4 (DPP4) to GLP-1 (9-36) amide, making 9-36a the major circulating form. While it is 7-36a, and not its metabolites, which exerts trophic effects on islet β-cells, recent studies suggest that both 7-36a and its metabolites have direct cardiovascular effects, including preserving cardiomyocyte viability, ameliorating cardiac function, and vasodilation...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28183314/dpp-4-inhibition-has-no-acute-effect-on-bnp-and-its-n-terminal-pro-hormone-measured-by-commercial-immune-assays-a-randomized-cross-over-trial-in-patients-with-type-2-diabetes
#2
Gian Paolo Fadini, Benedetta Maria Bonora, Mattia Albiero, Martina Zaninotto, Mario Plebani, Angelo Avogaro
BACKGROUND: Use of dipeptidyl peptidase-4 inhibitors (DPP4-i) for the treatment of type 2 diabetes (T2D) has been associated with a possible increase in the risk for heart failure (HF). B-type natriuretic peptide (BNP), which is both a biomarker of HF and a hemodynamically active hormone, is a substrate of DPP-4. We herein tested the acute effects of the DPP-4i linagliptin on BNP and NT-proBNP in a cross-over placebo-controlled trial in patients with T2D with and without chronic kidney disease (CKD)...
February 10, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28177527/effects-of-linagliptin-on-human-immortalized-podocytes-a-cellular-system-to-study-dipeptidyl-peptidase-4-inhibition
#3
Gianluca Miglio, Giovanna Vitarelli, Thomas Klein, Elisa Benetti
BACKGROUND AND PURPOSE: Dipeptidyl-peptidase (DPP)4 is expressed by resident renal cells, including glomerular cells. Dipeptidyl-peptidase 4 inhibitors (gliptins) exert albuminuria lowering effects, but the role of renal DPP4 as a pharmacological target has not been elucidated. To better understand the actions of gliptins, the effects of linagliptin on behaviour of immortalized human podocytes and mesangial cells have been evaluated. EXPERIMENTAL APPROACH: Expression of DPP4 was measured at both the mRNA and protein levels...
February 8, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28163108/consumption-of-protein-enriched-milk-has-minor-effects-on-inflammation-in-older-adults-a-12-week-double-blind-randomized-controlled-trial
#4
Gyrd O Gjevestad, Inger Ottestad, Anne Sofie Biong, Per Ole Iversen, Kjetil Retterstøl, Truls Raastad, Bjørn S Skålhegg, Stine M Ulven, Kirsten B Holven
INTRODUCTION: Aging is associated with increased levels of circulating inflammatory markers and reduced muscle mass and strength. OBJECTIVE: We investigated whether intake of protein-enriched milk for 12 weeks would influence markers of inflammation among adults≥70years of age with reduced physical strength. METHODS: In a double-blind randomized controlled intervention study, subjects were randomly allocated into two groups, receiving a protein-enriched milk (2×20g protein/d, n=14, mean (±SD) age 76...
February 2, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28158223/fibroblast-activation-protein-is-dispensable-in-the-anti-influenza-immune-response-in-mice
#5
Sioh-Yang Tan, Sumaiya Chowdhury, Natasa Polak, Mark D Gorrell, Wolfgang Weninger
Fibroblast activation protein alpha (FAP) is a unique dual peptidase of the S9B serine protease family, being capable of both dipeptidyl peptidase and endopeptidase activities. FAP is expressed at low level in healthy adult organs including the pancreas, cervix, uterus, submaxillary gland and the skin, and highly upregulated in embryogenesis, chronic inflammation and tissue remodelling. It is also expressed by cancer-associated stromal fibroblasts in more than 90% of epithelial tumours. FAP has enzymatic and non-enzymatic functions in the growth, immunosuppression, invasion and cell signalling of tumour cells...
2017: PloS One
https://www.readbyqxmd.com/read/28122713/diabetes-hypertension-and-chronic-kidney-disease-progression-role-of-dpp4
#6
Ravi Nistala, Virginia Savin
There is tremendous interest in the protein dipeptidyl peptidase 4 (DPP4) as a target in diabetes management and reduction of associated cardiovascular risk. The underlying reasons for this burgeoning interest are manifold. First, DPP4 inhibitor therapy in patients with Type 2 diabetes mellitus (T2DM) resulted in a reduction in proteinuria in the recently concluded "Saxagliptin Assessment of Vascular Outcomes Recorded in Patients with Diabetes Mellitus - Thrombolysis in Myocardial Infarction 53" (SAVOR-TIMI 53) trial...
January 25, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28118607/middle-east-respiratory-syndrome-corona-virus-spike-glycoprotein-suppresses-macrophage-responses-via-dpp4-mediated-induction-of-irak-m-and-ppar%C3%AE
#7
Ahmed A Al-Qahtani, Konstantina Lyroni, Marina Aznaourova, Melpomeni Tseliou, Mashael R Al-Anazi, Mohammed N Al-Ahdal, Saad Alkahtani, George Sourvinos, Christos Tsatsanis
Middle East Respiratory Syndrome Corona Virus (MERS-CoV) is transmitted via the respiratory tract and causes severe Acute Respiratory Distress Syndrome by infecting lung epithelial cells and macrophages. Macrophages can readily recognize the virus and eliminate it. MERS-CoV infects cells via its Spike (S) glycoprotein that binds on Dipeptidyl-Peptidase 4 (DPP4) receptor present on macrophages. Whether this Spike/DPP4 association affects macrophage responses remains unknown. Herein we demonstrated that infection of macrophages with lentiviral particles pseudotyped with MERS-CoV S glycoprotein results in suppression of macrophage responses since it reduced the capacity of macrophages to produce TNFα and IL-6 in naive and LPS-activated THP-1 macrophages and augmented LPS-induced production of the immunosuppressive cytokine IL-10...
January 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106217/flavanol-concentrations-do-not-predict-dipeptidyl-peptidase-iv-inhibitory-activities-of-four-cocoas-with-different-processing-histories
#8
Caroline M Ryan, Weslie Khoo, Amanda C Stewart, Sean F O'Keefe, Joshua D Lambert, Andrew P Neilson
Cocoa and its constituent bioactives (particularly flavanols) have reported anti-diabetic and anti-obesity activities. One potential mechanism of action is inhibition of dipeptidyl peptidase-IV (DPP4), the enzyme that inactivates incretin hormones such as glucagon-like peptide-1 and gastric inhibitory peptide. The objective of this study was to determine the DPP4 inhibitory activities of cocoas with different processing histories, and identify processing factors and bioactive compounds that predict DPP4 inhibition...
January 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28098162/novel-genetic-loci-associated-with-hippocampal-volume
#9
Derrek P Hibar, Hieab H H Adams, Neda Jahanshad, Ganesh Chauhan, Jason L Stein, Edith Hofer, Miguel E Renteria, Joshua C Bis, Alejandro Arias-Vasquez, M Kamran Ikram, Sylvane Desrivières, Meike W Vernooij, Lucija Abramovic, Saud Alhusaini, Najaf Amin, Micael Andersson, Konstantinos Arfanakis, Benjamin S Aribisala, Nicola J Armstrong, Lavinia Athanasiu, Tomas Axelsson, Ashley H Beecham, Alexa Beiser, Manon Bernard, Susan H Blanton, Marc M Bohlken, Marco P Boks, Janita Bralten, Adam M Brickman, Owen Carmichael, M Mallar Chakravarty, Qiang Chen, Christopher R K Ching, Vincent Chouraki, Gabriel Cuellar-Partida, Fabrice Crivello, Anouk Den Braber, Nhat Trung Doan, Stefan Ehrlich, Sudheer Giddaluru, Aaron L Goldman, Rebecca F Gottesman, Oliver Grimm, Michael E Griswold, Tulio Guadalupe, Boris A Gutman, Johanna Hass, Unn K Haukvik, David Hoehn, Avram J Holmes, Martine Hoogman, Deborah Janowitz, Tianye Jia, Kjetil N Jørgensen, Nazanin Karbalai, Dalia Kasperaviciute, Sungeun Kim, Marieke Klein, Bernd Kraemer, Phil H Lee, David C M Liewald, Lorna M Lopez, Michelle Luciano, Christine Macare, Andre F Marquand, Mar Matarin, Karen A Mather, Manuel Mattheisen, David R McKay, Yuri Milaneschi, Susana Muñoz Maniega, Kwangsik Nho, Allison C Nugent, Paul Nyquist, Loes M Olde Loohuis, Jaap Oosterlaan, Martina Papmeyer, Lukas Pirpamer, Benno Pütz, Adaikalavan Ramasamy, Jennifer S Richards, Shannon L Risacher, Roberto Roiz-Santiañez, Nanda Rommelse, Stefan Ropele, Emma J Rose, Natalie A Royle, Tatjana Rundek, Philipp G Sämann, Arvin Saremi, Claudia L Satizabal, Lianne Schmaal, Andrew J Schork, Li Shen, Jean Shin, Elena Shumskaya, Albert V Smith, Emma Sprooten, Lachlan T Strike, Alexander Teumer, Diana Tordesillas-Gutierrez, Roberto Toro, Daniah Trabzuni, Stella Trompet, Dhananjay Vaidya, Jeroen Van der Grond, Sven J Van der Lee, Dennis Van der Meer, Marjolein M J Van Donkelaar, Kristel R Van Eijk, Theo G M Van Erp, Daan Van Rooij, Esther Walton, Lars T Westlye, Christopher D Whelan, Beverly G Windham, Anderson M Winkler, Katharina Wittfeld, Girma Woldehawariat, Christiane Wolf, Thomas Wolfers, Lisa R Yanek, Jingyun Yang, Alex Zijdenbos, Marcel P Zwiers, Ingrid Agartz, Laura Almasy, David Ames, Philippe Amouyel, Ole A Andreassen, Sampath Arepalli, Amelia A Assareh, Sandra Barral, Mark E Bastin, Diane M Becker, James T Becker, David A Bennett, John Blangero, Hans van Bokhoven, Dorret I Boomsma, Henry Brodaty, Rachel M Brouwer, Han G Brunner, Randy L Buckner, Jan K Buitelaar, Kazima B Bulayeva, Wiepke Cahn, Vince D Calhoun, Dara M Cannon, Gianpiero L Cavalleri, Ching-Yu Cheng, Sven Cichon, Mark R Cookson, Aiden Corvin, Benedicto Crespo-Facorro, Joanne E Curran, Michael Czisch, Anders M Dale, Gareth E Davies, Anton J M De Craen, Eco J C De Geus, Philip L De Jager, Greig I De Zubicaray, Ian J Deary, Stéphanie Debette, Charles DeCarli, Norman Delanty, Chantal Depondt, Anita DeStefano, Allissa Dillman, Srdjan Djurovic, Gary Donohoe, Wayne C Drevets, Ravi Duggirala, Thomas D Dyer, Christian Enzinger, Susanne Erk, Thomas Espeseth, Iryna O Fedko, Guillén Fernández, Luigi Ferrucci, Simon E Fisher, Debra A Fleischman, Ian Ford, Myriam Fornage, Tatiana M Foroud, Peter T Fox, Clyde Francks, Masaki Fukunaga, J Raphael Gibbs, David C Glahn, Randy L Gollub, Harald H H Göring, Robert C Green, Oliver Gruber, Vilmundur Gudnason, Sebastian Guelfi, Asta K Håberg, Narelle K Hansell, John Hardy, Catharina A Hartman, Ryota Hashimoto, Katrin Hegenscheid, Andreas Heinz, Stephanie Le Hellard, Dena G Hernandez, Dirk J Heslenfeld, Beng-Choon Ho, Pieter J Hoekstra, Wolfgang Hoffmann, Albert Hofman, Florian Holsboer, Georg Homuth, Norbert Hosten, Jouke-Jan Hottenga, Matthew Huentelman, Hilleke E Hulshoff Pol, Masashi Ikeda, Clifford R Jack, Mark Jenkinson, Robert Johnson, Erik G Jönsson, J Wouter Jukema, René S Kahn, Ryota Kanai, Iwona Kloszewska, David S Knopman, Peter Kochunov, John B Kwok, Stephen M Lawrie, Hervé Lemaître, Xinmin Liu, Dan L Longo, Oscar L Lopez, Simon Lovestone, Oliver Martinez, Jean-Luc Martinot, Venkata S Mattay, Colm McDonald, Andrew M McIntosh, Francis J McMahon, Katie L McMahon, Patrizia Mecocci, Ingrid Melle, Andreas Meyer-Lindenberg, Sebastian Mohnke, Grant W Montgomery, Derek W Morris, Thomas H Mosley, Thomas W Mühleisen, Bertram Müller-Myhsok, Michael A Nalls, Matthias Nauck, Thomas E Nichols, Wiro J Niessen, Markus M Nöthen, Lars Nyberg, Kazutaka Ohi, Rene L Olvera, Roel A Ophoff, Massimo Pandolfo, Tomas Paus, Zdenka Pausova, Brenda W J H Penninx, G Bruce Pike, Steven G Potkin, Bruce M Psaty, Simone Reppermund, Marcella Rietschel, Joshua L Roffman, Nina Romanczuk-Seiferth, Jerome I Rotter, Mina Ryten, Ralph L Sacco, Perminder S Sachdev, Andrew J Saykin, Reinhold Schmidt, Helena Schmidt, Peter R Schofield, Sigurdur Sigursson, Andrew Simmons, Andrew Singleton, Sanjay M Sisodiya, Colin Smith, Jordan W Smoller, Hilkka Soininen, Vidar M Steen, David J Stott, Jessika E Sussmann, Anbupalam Thalamuthu, Arthur W Toga, Bryan J Traynor, Juan Troncoso, Magda Tsolaki, Christophe Tzourio, Andre G Uitterlinden, Maria C Valdés Hernández, Marcel Van der Brug, Aad van der Lugt, Nic J A van der Wee, Neeltje E M Van Haren, Dennis van 't Ent, Marie-Jose Van Tol, Badri N Vardarajan, Bruno Vellas, Dick J Veltman, Henry Völzke, Henrik Walter, Joanna M Wardlaw, Thomas H Wassink, Michael E Weale, Daniel R Weinberger, Michael W Weiner, Wei Wen, Eric Westman, Tonya White, Tien Y Wong, Clinton B Wright, Ronald H Zielke, Alan B Zonderman, Nicholas G Martin, Cornelia M Van Duijn, Margaret J Wright, W T Longstreth, Gunter Schumann, Hans J Grabe, Barbara Franke, Lenore J Launer, Sarah E Medland, Sudha Seshadri, Paul M Thompson, M Arfan Ikram
The hippocampal formation is a brain structure integrally involved in episodic memory, spatial navigation, cognition and stress responsiveness. Structural abnormalities in hippocampal volume and shape are found in several common neuropsychiatric disorders. To identify the genetic underpinnings of hippocampal structure here we perform a genome-wide association study (GWAS) of 33,536 individuals and discover six independent loci significantly associated with hippocampal volume, four of them novel. Of the novel loci, three lie within genes (ASTN2, DPP4 and MAST4) and one is found 200 kb upstream of SHH...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28077733/identification-of-potential-plasma-biomarkers-for-nonalcoholic-fatty-liver-disease-by-integrating-transcriptomics-and-proteomics-in-laying-hens
#10
Meng-Tsz Tsai, Yu-Jen Chen, Ching-Yi Chen, Mong-Hsun Tsai, Chia-Li Han, Yu-Ju Chen, Harry J Mersmann, Shih-Torng Ding
BACKGROUND: Prevalent worldwide obesity is associated with increased incidence of nonalcoholic fatty liver disease (NAFLD) and metabolic syndrome. The identification of noninvasive biomarkers for NAFLD is of recent interest. Because primary de novo lipogenesis occurs in chicken liver as in human liver, adult chickens with age-associated steatosis resembling human NAFLD is an appealing animal model. OBJECTIVE: The objective of this study was to screen potential biomarkers in the chicken model for NAFLD by transcriptomic and proteomic analysis...
January 11, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28065853/sitagliptin-inhibit-human-lymphocytes-proliferation-and-th1-th17-differentiation-in-vitro
#11
Marcelo Maia Pinheiro, Caroline Lais Stoppa, Claudete Justina Valduga, Cristina Eunice Okuyama, Renata Gorjão, Regina Mara Silva Pereira, Susana Nogueira Diniz
Dipeptidyl peptidase-4 (DPP-4) inhibitors are a new class of anti-diabetic agents that are widely used in clinical practice to improve glycemic control in patients with type 2 diabetes. DPP-4 is also known as lymphocyte cell surface protein, CD26, and plays an important role in T-cell immunity. Recent studies suggest that DPP-4 inhibitors improve beta-cell function and attenuate autoimmunity in type 1 diabetic mouse models. To investigate the direct effect of DPP4 in immune response, human peripheral blood mononuclear cells (PBMC) from healthy volunteers were obtained by Ficoll gradient and cultivated in the absence (control) or presence of phytohemagglutinin (PHA), or stimulated with PHA and treated with sitagliptin...
January 5, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28056470/-anti-diabetic-medication-during-the-first-four-years-of-treatment-a-study-based-on-claims-data
#12
Veronika Lappe, Ingrid Köster, Ingrid Schubert
: Background Ever since the UKPDS study reassessed the usefulness of the substance metformin in 1998, it has been the first-line medication in anti-diabetic treatment. In addition, new classes and agents released on the market have given rise to new treatment options. The present study investigates prescription practice at the onset of treatment and in the years thereafter and measures it against German diabetes guidelines. Database and Methods Database: Statutory health insurance sample AOK/KV Hesse; Ages: 40 and over (N = 142514)...
January 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28055971/src-promotes-castration-recurrent-prostate-cancer-through-androgen-receptor-dependent-canonical-and-non-canonical-transcriptional-signatures
#13
Indranil Chattopadhyay, Jianmin Wang, Maochun Qin, Lingqiu Gao, Renae Holtz, Robert L Vessella, Robert W Leach, Irwin H Gelman
Progression of prostate cancer (PC) to castration-recurrent growth (CRPC) remains dependent on sustained expression and transcriptional activity of the androgen receptor (AR). A major mechanism contributing to CRPC progression is through the direct phosphorylation and activation of AR by Src-family (SFK) and ACK1 tyrosine kinases. However, the AR-dependent transcriptional networks activated by Src during CRPC progression have not been elucidated. Here, we show that activated Src (Src527F) induces androgen-independent growth in human LNCaP cells, concomitant with its ability to induce proliferation/survival genes normally induced by dihydrotestosterone (DHT) in androgen-dependent LNCaP and VCaP cells...
December 31, 2016: Oncotarget
https://www.readbyqxmd.com/read/28055219/integrating-molecular-networking-and-biological-assays-to-target-the-isolation-of-a-cytotoxic-cyclic-octapeptide-samoamide-a-from-an-american-samoan-marine-cyanobacterium
#14
C Benjamin Naman, Ramandeep Rattan, Svetlana E Nikoulina, John Lee, Bailey W Miller, Nathan A Moss, Lorene Armstrong, Paul D Boudreau, Hosana M Debonsi, Frederick A Valeriote, Pieter C Dorrestein, William H Gerwick
Integrating LC-MS/MS molecular networking and bioassay-guided fractionation enabled the targeted isolation of a new and bioactive cyclic octapeptide, samoamide A (1), from a sample of cf. Symploca sp. collected in American Samoa. The structure of 1 was established by detailed 1D and 2D NMR experiments, HRESIMS data, and chemical degradation/chromatographic (e.g., Marfey's analysis) studies. Pure compound 1 was shown to have in vitro cytotoxic activity against several human cancer cell lines in both traditional cell culture and zone inhibition bioassays...
January 5, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28029729/combination-treatment-of-dipeptidyl-peptidase-iv-inhibitor-sitagliptin-and-angiotensin-ii-type-1-receptor-blocker-losartan-suppresses-progression-in-a-nondiabetic-rat-model-of-steatohepatitis
#15
Yasushi Okura, Tadashi Namisaki, Kei Moriya, Mitsuteru Kitade, Kosuke Takeda, Kosuke Kaji, Ryuichi Noguchi, Norihisa Nishimura, Kenichiro Seki, Hideto Kawaratani, Hiroaki Takaya, Shinya Sato, Yasuhiko Sawada, Naotaka Shimozato, Masanori Furukawa, Keisuke Nakanishi, Saikawa Soichiro, Takuya Kubo, Kiyoshi Asada, Hitoshi Yoshiji
AIM: Dipeptidyl peptidase-4 (DPP4) inhibitors (DPP4-I) are oral glucose-lowering drugs for type 2 diabetes mellitus. Previously, we demonstrated that DPP4-I (sitagliptin) exerted suppressive effects on experimental liver fibrosis in rats. Blockade of the renin-angiotensin system by angiotensin-II type 1 receptor blocker (ARB: losartan), commonly used in the management of hypertension, has been shown to significantly alleviate hepatic fibrogenesis and carcinogenesis. We aimed to elucidate the effects and possible mechanisms of a sitagliptin + losartan combination on the progression of nondiabetic nonalcoholic steatohepatitis (NASH) in a rat model...
December 28, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28027447/dynamic-compound-dependent-acoustic-transfer-to-investigate-inhibitor-reversibility
#16
Jennifer Nothstein, Elisabeth MacColl, Paul Zuck, Jason Cassaday, Victor N Uebele, Jeffrey D Hermes, Michelle F Homsher
Automated mechanism of action studies are introducing the need for tailored compound delivery, which can be challenging for standard compound management procedures. Jump dilution assays investigating inhibitor reversibility require compound delivery at specific volumes to assay specific concentrations of 10 × IC50 for each inhibitor. Creating custom-made source plates with unique compound concentrations to dispense a uniform single volume can be prohibitively slow. A broadly applicable tool that enables on-the fly dispensing of variable amounts of stock concentrations was developed using the Acoustic Transfer System (ATS)...
December 1, 2016: Journal of Laboratory Automation
https://www.readbyqxmd.com/read/28000723/plasma-dpp4-activity-is-associated-with-no-reflow-and-major-bleeding-events-in-chinese-pci-treated-stemi-patients
#17
Jing Wei Li, Yun Dai Chen, Wei Ren Chen, Jing Jing, Jie Liu, Yong Qiang Yang
Dipeptidyl peptidase-4 (DPP4) is an important regulator of incretins and inflammation, and it is involved in the pathophysiological process of myocardial infarction (MI). This study investigated the role of plasma DPP4 activity (DPP4a) in patients with ST-segment elevation myocardial infarction (STEMI) who had undergone percutaneous coronary intervention (PCI). We recruited 747 consecutive PCI-treated STEMI patients from a tertiary referral center from January 2014 to October 2015. The outcomes of interest were the rates of no-reflow, in-hospital major adverse cardiac or cerebrovascular events (iMACCE), in-hospital complications (IHC) and in-hospital major bleeding...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27999105/hepatic-dpp4-dna-methylation-associates-with-fatty-liver
#18
Christian Baumeier, Sophie Saussenthaler, Anne Kammel, Markus Jähnert, Luisa Schlüter, Deike Hesse, Mickaël Canouil, Stephane Lobbens, Robert Caiazzo, Violeta Raverdy, François Pattou, Emma Nilsson, Jussi Pihlajamäki, Charlotte Ling, Philippe Froguel, Annette Schürmann, Robert W Schwenk
Hepatic DPP4 expression is elevated in subjects with ectopic fat accumulation in the liver. However, whether increased dipeptidyl peptidase 4 (DPP4) is involved in the pathogenesis or is rather a consequence of metabolic disease is not known. We therefore studied the transcriptional regulation of hepatic Dpp4 in young mice prone to diet-induced obesity. Already at 6 weeks of age, expression of hepatic Dpp4 was increased in mice with high weight gain, independent of liver fat content. In the same animals, methylation of four intronic CpG sites was decreased, amplifying glucose-induced transcription of hepatic Dpp4 In older mice, hepatic triglyceride content was increased only in animals with elevated Dpp4 expression...
January 2017: Diabetes
https://www.readbyqxmd.com/read/27990763/circulating-fibroblast-activation-protein-and-dipeptidyl-peptidase-4-in-rheumatoid-arthritis-and-systemic-sclerosis
#19
Premarani Sinnathurai, Wendy Lau, Ana Julia Vieira de Ribeiro, William W Bachovchin, Helen Englert, Graydon Howe, David Spencer, Nicholas Manolios, Mark D Gorrell
AIM: To quantify circulating fibroblast activation protein (cFAP) and dipeptidyl peptidase 4 (cDPP4) protease activities in patients with rheumatoid arthritis (RA), systemic sclerosis (SSc), and a control group with mechanical back pain and to correlate plasma levels with disease characteristics. METHODS: Plasma was collected from patients with RA (n = 73), SSc (n = 37) and control subjects (n = 26). DPP4 and FAP were quantified using specific enzyme activity assays...
December 19, 2016: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/27972146/a-decision-focused-network-meta-analysis-nma-of-dipeptidyl-peptidase-4-dpp4-inhibitors-used-in-combination-with-metformin-and-a-sulfonylurea-for-the-treatment-of-type-2-diabetes-mellitus-t2dm
#20
S W Kay, A J Strickson, J Puelles, R A Selby, K Tolley
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
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