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https://www.readbyqxmd.com/read/29053207/dpp-4-inhibitors-moderate-the-risk-of-genitourinary-tract-infections-associated-with-sglt2-inhibitors
#1
Gian Paolo Fadini, Benedetta Maria Bonora, Mayur Sarangdhar, Mauro Rigato, Angelo Avogaro
Genito-urinary tract infections (GUTI) are the most common adverse event (AE) during therapy with sodium-glucose cotransporter 2 inhibitors (SGLT2i). We evaluated whether dipeptidyl peptidase 4 inhibitors (DPP4i) moderate the risk of GUTI during therapy with SGLT2i, using two approaches. First, we screened the literature for randomized controlled trials (RCTs) directly comparing the frequency of GUTI in patients receiving a DPP4i/SGLT2i combination therapy versus those receiving a SGLT2i only. In the 5 trials we retrieved, the pooled RR for genital tract infections (GTI) in patients on a DPP4i/SGLT2i combination therapy versus those on SGLT2i alone was 0...
October 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29040674/evaluation-of-apoptotic-and-autophagic-related-protein-expressions-before-and-after-ivm-of-fresh-slow-frozen-and-vitrified-pre-pubertal-mouse-testicular-tissue
#2
L Dumont, F Chalmel, A Oblette, B Berby, A Rives, V Duchesne, C Rondanino, N Rives
STUDY QUESTION: Do freezing and in vitro culture procedures enhance the expression of proteins involved in apoptotic or autophagic pathways in murine pre-pubertal testicular tissue? SUMMARY ANSWER: IVM strongly modified apoptosis- and autophagy-related relative protein levels in mice testicular tissue whereas the impact of cryopreservation procedures was minimal at the end of the culture. WHAT IS KNOWN ALREADY: In vitro spermatogenesis remains a challenging technical issue as it imposes to find a very close balance between survival and death of germ cell natural precursors (i...
November 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28977602/dipeptidyl-peptidase-4-inhibition-with-saxagliptin-ameliorates-angiotensin-ii-induced-cardiac-diastolic-dysfunction-in-male-mice
#3
Scott M Brown, Cassandra E Smith, Alex I Meuth, Maloree Khan, Annayya R Aroor, Hannah M Cleeton, Gerald A Meininger, James R Sowers, Vincent G DeMarco, Bysani Chandrasekar, Ravi Nistala, Shawn B Bender
Activation of the renin-angiotensin-aldosterone system is common in hypertension and obesity and contributes to cardiac diastolic dysfunction, a condition for which no treatment currently exists. In light of recent reports that antihyperglycemia incretin enhancing dipeptidyl peptidase (DPP)-4 inhibitors exert cardioprotective effects, we examined the hypothesis that DPP-4 inhibition with saxagliptin (Saxa) attenuates angiotensin II (Ang II)-induced cardiac diastolic dysfunction. Male C57BL/6J mice were infused with either Ang II (500 ng/kg/min) or vehicle for 3 weeks receiving either Saxa (10 mg/kg/d) or placebo during the final 2 weeks...
October 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28912645/anti-inflammatory-effect-of-glucagon-like-peptide-1-receptor-agonist-exendin-4-through-modulation-of-ib1-jip1-expression-and-jnk-signaling-in-stroke
#4
Soojin Kim, Jaewon Jeong, Hye-Seon Jung, Bokyung Kim, Ye-Eun Kim, Da-Sol Lim, So-Dam Kim, Yun Seon Song
Glucagon like peptide-1 (GLP-1) stimulates glucose-dependent insulin secretion. Dipeptidyl peptidase-4 (DPP-4) inhibitors, which block inactivation of GLP-1, are currently in clinical use for type 2 diabetes mellitus. Recently, GLP-1 has also been reported to have neuroprotective effects in cases of cerebral ischemia. We therefore investigated the neuroprotective effects of GLP-1 receptor (GLP-1R) agonist, exendin-4 (ex-4), after cerebral ischemia-reperfusion injury. Transient middle cerebral artery occlusion (tMCAO) was induced in rats by intracerebroventricular (i...
August 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/28875845/new-trends-in-anti-cancer-therapy-combining-conventional-chemotherapeutics-with-novel-immunomodulators
#5
Amy L Wilson, Magdalena Plebanski, Andrew N Stephens
Cancer is one of the leading causes of death worldwide, and current research has focused on the discovery of novel approaches to effectively treat this disease. Recently, a considerable number of clinical trials have demonstrated the success of immunomodulatory therapies for the treatment of cancer. Monoclonal antibodies can target components of the immune system to either i) agonise co-stimulatory molecules, such as CD137, OX40 and CD40; or ii) inhibit immune checkpoints, such as cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4), programmed cell death-1 (PD-1) and its corresponding ligand PD-L1...
August 29, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28866826/impact-of-pioglitazone-regulatory-withdrawal-on-antidiabetic-drug-use-and-health-in-diabetic-patients
#6
Antoine Pariente, Yohann Mansiaux, Ana Jarné, Francesco Salvo, Cécile Pageot, Julien Bezin, Andy Smith, Bernard Bégaud
PURPOSE: In 2011, pioglitazone was withdrawn from the French market owing to a potential risk of bladder cancer. This study aimed at assessing the impact of this pioglitazone withdrawal (PW) considering (i) trends in antidiabetic uses and (ii) changes in hospitalization/death rates in diabetic patients following PW. METHODS: We first considered the general population of the Echantillon Généraliste des Bénéficiaires (EGB), a 1/97th representative sample of the French healthcare insurance system beneficiaries, for the 2010-2014 period...
September 2, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28771923/dapagliflozin-is-associated-with-lower-risk-of-cardiovascular-events-and-all-cause-mortality-in-people-with-type-2-diabetes-cvd-real-nordic-when-compared-with-dipeptidyl-peptidase-4-inhibitor-therapy-a-multinational-observational-study
#7
Frederik Persson, Thomas Nyström, Marit E Jørgensen, Bendix Carstensen, Hanne L Gulseth, Marcus Thuresson, Peter Fenici, David Nathanson, Jan W Eriksson, Anna Norhammar, Johan Bodegard, Kåre I Birkeland
AIMS: To compare the sodium-glucose-cotransporter-2 (SGLT-2) inhibitor dapagliflozin with dipeptidyl peptidase-4 (DPP-4) inhibitors with regard to risk associations with major adverse cardiovascular (CV) events (MACE; non-fatal myocardial infarction, non-fatal stroke or cardiovascular mortality), hospitalization for heart failure (HHF), atrial fibrillation and severe hypoglycaemia in patients with type 2 diabetes (T2D) in a real-world setting. METHODS: All patients with T2D prescribed glucose-lowering drugs (GLDs) during 2012 to 2015 were identified in nationwide registries in Denmark, Norway and Sweden...
August 3, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28750074/dpp4-gene-variation-affects-glp-1-secretion-insulin-secretion-and-glucose-tolerance-in-humans-with-high-body-adiposity
#8
Anja Böhm, Robert Wagner, Fausto Machicao, Jens Juul Holst, Baptist Gallwitz, Norbert Stefan, Andreas Fritsche, Hans-Ulrich Häring, Harald Staiger
OBJECTIVE: Dipeptidyl-peptidase 4 (DPP-4) cleaves and inactivates the insulinotropic hormones glucagon-like peptide 1 (GLP-1) and gastric inhibitory polypeptide, collectively termed incretins. DPP-4 inhibitors entered clinical practice as approved therapeutics for type-2 diabetes in 2006. However, inter-individual variance in the responsiveness to DPP-4 inhibitors was reported. Thus, we asked whether genetic variation in the DPP4 gene affects incretin levels, insulin secretion, and glucose tolerance in participants of the TÜbingen Family study for type-2 diabetes (TÜF)...
2017: PloS One
https://www.readbyqxmd.com/read/28737467/once-weekly-oral-antidiabetic-agent-and-treatment-satisfaction
#9
Mitsuyoshi Takahara, Toshihiko Shiraiwa, Naoto Katakami, Taka-Aki Matsuoka, Iichiro Shimomura
No abstract text is available yet for this article.
August 16, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28599244/cb-1r-and-glp-1r-gene-expressions-and-oxidative-stress-in-the-liver-of-diabetic-rats-treated-with-sitagliptin
#10
Zeynep Mine Coskun, Meral Koyuturk, Sezin Karabulut, Sema Bolkent
BACKGROUND: Type 2 diabetes is a major health problem affecting millions of people. Controlled eating and regular physical activity are important for the management of type 2 diabetes. Dipeptidyl peptidase-4 enzyme (DPP-4) inhibitor sitagliptin is a potent agent for the treatment of type-2 diabetes. The aim of this study was to examine the effects of sitagliptin on the liver of rats with streptozotocin (STZ)-induced diabetes, in terms of (i) the expression levels of the cannabinoid 1 receptor (CB-1R) and glucagon-like peptide 1 receptor (GLP-1R), (ii) alterations in the number and localization of these peptides, and (iii) changes in histological and oxidative damage...
March 20, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28596247/incretin-based-treatments-and-mortality-in-patients-with-type-2-diabetes-systematic-review-and-meta-analysis
#11
REVIEW
Jiali Liu, Ling Li, Ke Deng, Chang Xu, Jason W Busse, Per Olav Vandvik, Sheyu Li, Gordon H Guyatt, Xin Sun
Objective To assess the impact of incretin based treatment on all cause mortality in patients with type 2 diabetes.Design Systematic review and meta-analysis of randomised trials.Data sources Medline, Embase, the Cochrane Central Register of Controlled Trials (CENTRAL), and ClinicalTrials.gov.Eligibility criteria Randomised controlled trials that compared glucagon-like peptide-1 (GLP-1) receptor agonists or dipeptidyl peptidase-4 (DPP-4) inhibitors with placebo or active anti-diabetic drugs in patients with type 2 diabetes...
June 8, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28561856/la-iii-biodistribution-profiles-from-intravenous-and-oral-dosing-of-two-lanthanum-complexes-la-dpp-3-and-la-xt-and-evaluation-as-treatments-for-bone-resorption-disorders
#12
D M Weekes, J F Cawthray, M Rieder, J Syeda, M Ali, E Wasan, T I Kostelnik, B O Patrick, A Panahifar, A Al-Dissi, D Cooper, K M Wasan, C Orvig
Trivalent lanthanum (La(3+)) has the potential to treat bone resorption disorders (such as osteoporosis) by eliciting a bone-building response in the cells which control skeletal remodelling. Because La(3+) suffers from extremely poor intestinal absorption, specifically designed chelators are required in order that a biologically active form of lanthanum can be administered orally. Two such chelators, 1,2-dimethyl-3-hydroxy-4-pyridinone (Hdpp) and bis-{[bis(carboxymethyl)amino]methy}phosphinic acid (H5XT), have previously been the subjects of extensive physical, in vitro, and in vivo testing as the tris- and mono-lanthanum(iii) complexes La(dpp)3 and La(XT), respectively...
July 19, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28550195/dipeptidyl-peptidase-4-inhibition-stimulates-distal-tubular-natriuresis-and-increases-in-circulating-sdf-1%C3%AE-1-67-in-patients-with-type-2-diabetes
#13
Julie A Lovshin, Harindra Rajasekeran, Yulyia Lytvyn, Leif E Lovblom, Shajiha Khan, Robel Alemu, Amy Locke, Vesta Lai, Huaibing He, Lucinda Hittle, Weixun Wang, Daniel J Drucker, David Z I Cherney
OBJECTIVE: Antihyperglycemic agents, such as empagliflozin, stimulate proximal tubular natriuresis and improve cardiovascular and renal outcomes in patients with type 2 diabetes. Because dipeptidyl peptidase 4 (DPP-4) inhibitors are used in combination with sodium-glucose cotransporter 2 (SGLT2) inhibitors, we examined whether and how sitagliptin modulates fractional sodium excretion and renal and systemic hemodynamic function. RESEARCH DESIGN AND METHODS: We studied 32 patients with type 2 diabetes in a prospective, double-blind, randomized, placebo-controlled trial...
August 2017: Diabetes Care
https://www.readbyqxmd.com/read/28489279/dipeptidyl-peptidase-dpp-4-inhibitors-and-glucagon-like-peptide-glp-1-analogues-for-prevention-or-delay-of-type-2-diabetes-mellitus-and-its-associated-complications-in-people-at-increased-risk-for-the-development-of-type-2-diabetes-mellitus
#14
REVIEW
Bianca Hemmingsen, David P Sonne, Maria-Inti Metzendorf, Bernd Richter
BACKGROUND: The projected rise in the incidence of type 2 diabetes mellitus (T2DM) could develop into a substantial health problem worldwide. Whether dipeptidyl-peptidase (DPP)-4 inhibitors or glucagon-like peptide (GLP)-1 analogues are able to prevent or delay T2DM and its associated complications in people at risk for the development of T2DM is unknown. OBJECTIVES: To assess the effects of DPP-4 inhibitors and GLP-1 analogues on the prevention or delay of T2DM and its associated complications in people with impaired glucose tolerance, impaired fasting blood glucose, moderately elevated glycosylated haemoglobin A1c (HbA1c) or any combination of these...
May 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28476142/dipeptidyl-peptidase-4-dpp-4-inhibition-with-linagliptin-reduces-western-diet-induced-myocardial-traf3ip2-expression-inflammation-and-fibrosis-in-female-mice
#15
Annayya R Aroor, Javad Habibi, Hemanth Kumar Kandikattu, Mona Garro-Kacher, Brady Barron, Dongqing Chen, Melvin R Hayden, Adam Whaley-Connell, Shawn B Bender, Thomas Klein, Jaume Padilla, James R Sowers, Bysani Chandrasekar, Vincent G DeMarco
BACKGROUND: Diastolic dysfunction (DD), a hallmark of obesity and primary defect in heart failure with preserved ejection fraction, is a predictor of future cardiovascular events. We previously reported that linagliptin, a dipeptidyl peptidase-4 inhibitor, improved DD in Zucker Obese rats, a genetic model of obesity and hypertension. Here we investigated the cardioprotective effects of linagliptin on development of DD in western diet (WD)-fed mice, a clinically relevant model of overnutrition and activation of the renin-angiotensin-aldosterone system...
May 5, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28448177/once-weekly-dipeptidyl-peptidase-4-inhibitors-for-type-2-diabetes-a-systematic-review-and-meta-analysis
#16
REVIEW
Dimitrios Stoimenis, Thomas Karagiannis, Anastasia Katsoula, Eleni Athanasiadou, Kyriakos Kazakos, Eleni Bekiari, David R Matthews, Apostolos Tsapas
OBJECTIVE: To assess the efficacy and safety of omarigliptin and trelagliptin, novel dipeptidyl peptidase-4 inhibitors administered once-weekly (DPP-4i QW). METHODS: We systematically searched for placebo- and active-controlled randomized trials in adults with type 2 diabetes mellitus. RESULTS: Fifteen primary studies with 5709 participants were included. DPP-4i QW were more effective than placebo in reducing hemoglobin A1c (HbA1c) (Weighted Mean Difference (WMD) -0...
June 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28361153/optimized-synthesis-of-%C3%AF-extended-squaraine-dyes-relevant-to-organic-electronics-by-direct-hetero-arylation-and-sonogashira-coupling-reactions
#17
Abby-Jo Payne, Gregory C Welch
This study reports on the synthesis and characterization of four molecular π-extended squaraine compounds relevant to the field of organic electronics. The compounds each consist of a bis-indole squaraine core end-capped with indoloquinoxaline units employing three different bridging units, namely thiophene, thiazole, and acetylene. Compound 10 bears a thiophene bridge, 11 consists of a thiophene bridge and fluorinated indoloquinoxaline terminal units, and compounds 12 and 13 are bridged by thiazole and acetylene, respectively...
April 11, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28291027/estrogen-and-dpp-4-inhibitor-share-similar-efficacy-in-reducing-brain-pathology-caused-by-cardiac-ischemia-reperfusion-injury-in-both-lean-and-obese-estrogen-deprived-rats
#18
Wasana Pratchayasakul, Sivaporn Sivasinprasasn, Piangkwan Sa-Nguanmoo, Cicely Proctor, Sasiwan Kerdphoo, Nipon Chattipakorn, Siriporn C Chattipakorn
OBJECTIVE: Cardiac ischemia-reperfusion injury (I/R) caused an oxidative burst, increased beta-amyloid production, and decreased dendritic spine density in the brain. However, the effect of cardiac I/R in the brain of estrogen-deprived rats who were or were not obese have not been investigated. Moreover, the benefits of estrogen or dipeptidyl peptidase-4 (DDP-4) inhibitor therapies in those conditions have never been determined. We hypothesized that cardiac I/R aggravates brain pathology in estrogen-deprived obese rats, to a greater extent when compared with estrogen-deprived lean rats, and treatment with either estrogen or a DPP-4 inhibitor attenuates those adverse effects...
March 13, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28281660/dpp-4-inhibitor-and-estrogen-share-similar-efficacy-against-cardiac-ischemic-reperfusion-injury-in-obese-insulin-resistant-and-estrogen-deprived-female-rats
#19
Sivaporn Sivasinprasasn, Pongpan Tanajak, Wanpitak Pongkan, Wasana Pratchayasakul, Siriporn C Chattipakorn, Nipon Chattipakorn
Estrogen deprivation aggravates cardiac injury after myocardial ischemia and reperfusion (I/R) injury. Although either estrogen or the dipeptidyl peptidase-4 (DPP-4) inhibitor, vildagliptin, reduces myocardial damage following cardiac I/R, their effects on the heart in obese-insulin resistant and estrogen deprived conditions remain unknown. Ovariectomized (O) rats (n = 36) were divided to receive either normal diet (NDO) or high-fat diet (HFO) for 12 weeks, followed by treatment with a vehicle, estrogen or vildagliptin for 4 weeks...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28265106/profiling-proteinic-changes-induced-by-vildagliptin-treatment-in-a-mouse-lung-transplantation-model-the-role-of-kininogen-1
#20
Zheng Tang, Wei Zhai, Zhiwei Wang, Zhipeng Hu, Min Zhang
BACKGROUND This study investigated the protective effects of pharmaceutical CD26/dipeptidylpeptidase-4 (CD26/DPP-4) inhibitor in lung transplantation (LTx). Changes in protein expression associated with the treatment were screened and identified to evaluate the role of kininogen-1 in early-term ischemia/reperfusion (I/R) injury after LTx. MATERIAL AND METHODS Orthotopic single LTx was performed in syngeneic C57BL/6 mice, with a pharmaceutical CD26/DPP-4 inhibitor (vildagliptin, subcutaneous injection, 10 mg/kg, every 12 h) administered to the investigational group...
March 7, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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