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https://www.readbyqxmd.com/read/28441741/peptides-peptidomimetics-and-polypeptides-from-marine-sources-a-wealth-of-natural-sources-for-pharmaceutical-applications
#1
Rushikesh Sable, Pravin Parajuli, Seetharama Jois
Nature provides a variety of peptides that are expressed in most living species. Evolutionary pressure and natural selection have created and optimized these peptides to bind to receptors with high affinity. Hence, natural resources provide an abundant chemical space to be explored in peptide-based drug discovery. Marine peptides can be extracted by simple solvent extraction techniques. The advancement of analytical techniques has made it possible to obtain pure peptides from natural resources. Extracted peptides have been evaluated as possible therapeutic agents for a wide range of diseases, including antibacterial, antifungal, antidiabetic and anticancer activity as well as cardiovascular and neurotoxin activity...
April 22, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28440775/epidemiological-bases-and-molecular-mechanisms-linking-obesity-diabetes-and-cancer
#2
María Gutiérrez-Salmerón, Ana Chocarro-Calvo, José Manuel García-Martínez, Antonio de la Vieja, Custodia García-Jiménez
The association between diabetes and cancer was hypothesized almost one century ago. Today, a vast number of epidemiological studies support that obese and diabetic populations are more likely to experience tissue-specific cancers, but the underlying molecular mechanisms remain unknown. Obesity, diabetes, and cancer share many hormonal, immune, and metabolic changes that may account for the relationship between diabetes and cancer. In addition, antidiabetic treatments may have an impact on the occurrence and course of some cancers...
February 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440768/clinical-and-metabolic-profile-of-patients-with-latent-autoimmune-diabetes-in-adults-in-specialized-care-in-madrid
#3
Alfonso Arranz Martín, Edurne Lecumberri Pascual, Miguel Ángel Brito Sanfiel, Víctor Andía Melero, Lia Nattero Chavez, Iván Sánchez López, Gloria Cánovas Molina, Francisco Arrieta Blanco, Noemí González Perez Del Villar
OBJECTIVE: To report the clinical characteristics of patients with latent autoimmune diabetes in adults (LADA), and to ascertain their metabolic control and associated chronic complications. METHODS: Patients with DM attending specialized medical care in Madrid who met the following criteria: age at diagnosis of DM >30years, initial insulin independence for at least 6months and positive GAD antibodies were enrolled. Clinical profiles, data on LADA diagnosis, associated autoimmunity, C-peptide levels, therapeutic regimen, metabolic control, and presence of chronic complications were analyzed...
January 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440761/recommendations-on-the-effect-of-antidiabetic-drugs-in-bone
#4
Pedro Rozas-Moreno, Rebeca Reyes-García, Esteban Jódar-Gimeno, Mariela Varsavsky, Inés Luque-Fernández, María Cortés-Berdonces, Manuel Muñoz-Torres
OBJECTIVE: To provide recommendations on the effect of antidiabetic drugs on bone fragility to help select the most adequate antidiabetic treatment, especially in diabetic patients with high risk of fracture. PARTICIPANTS: Members of the Bone Metabolism Working Group of the Spanish Society of Endocrinology. METHODS: The GRADE system (Grading of Recommendations, Assessment, Development, and Evaluation) was used to establish both the strength of recommendations and the quality of evidence...
March 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440751/validation-in-daily-clinical-situations-of-diascope-%C3%A2-a-software-developed-to-help-healthcare-professionals-individualize-antidiabetic-treatment-in-type-2-diabetes
#5
Francisco Javier Ampudia-Blasco, Francisco Javier García-Soidán, Manuela Rubio Sánchez, Tra-Mi Phan
INTRODUCTION: DiaScope(®) is a software to help in individualized prescription of antidiabetic treatment in type 2 diabetes. This study assessed its value and acceptability by different professionals. MATERIAL AND METHODS: DiaScope(®) was developed based on the ADA-EASD 2012 algorithm and on the recommendation of 12 international diabetes experts using the RAND/UCLA appropriateness method. The current study was performed at a single session. In the first phase, 5 clinical scenarios were evaluated, selecting the most appropriated therapeutic option among 4 possibilities (initial test)...
March 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440424/therapeutic-potential-of-the-antidiabetic-drug-metformin-in-small-bowel-adenocarcinoma
#6
Taiga Chiyo, Kiyohito Kato, Hisakazu Iwama, Shintaro Fujihara, Koji Fujita, Tomoko Tadokoro, Kyoko Ohura, Eri Samukawa, Yoshimi Yamana, Nobuya Kobayashi, Tae Matsunaga, Noriko Nishiyama, Maki Ayaki, Tatsuo Yachida, Asahiro Morishita, Hideki Kobara, Hirohito Mori, Tsutomu Masaki
Small bowel adenocarcinoma (SBAC) accounts for 3% of all gastrointestinal tract tumors and approximately 0.5% of all cancer cases. Recent studies have indicated that the use of metformin, one of the most commonly prescribed antidiabetic drugs, is associated with a better prognosis for certain malignant diseases. However, there have been no reports on the effect of metformin in SBAC. In the present study, we evaluated the effect of metformin on human SBAC cell proliferation in vitro and in vivo and identified the microRNAs (miRNAs) associated with its antitumor effects...
April 20, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28440199/anti-hyperglycemic-agents-for-the-treatment-of-type-2-diabetes-mellitus-role-in-cardioprotection-during-the-last-decade
#7
Duygu Kocyigit, Kadri Murat Gurses, Muhammed Ulvi Yalcin, Lale Tokgozoglu
Type 2 diabetic patients are known to have a tendency to develop cardiovascular (CV) disease (CVD), and related unfavourable outcomes such as heart failure, myocardial infarction (MI), cerebrovascular events (eg. stroke), and related mortality. Long- term clinical trials have revealed contradictory findings regarding the relationship between glycemic control and CV benefits due to variations in the key characteristics of the study population. During the last decade, number of pharmacological agents used for glucose- lowering in the treatment of type 2 diabetes mellitus (T2DM) has increased owing to the introduction of dipeptidyl peptidase- IV (DPP- IV) inhibitors, glucagon- like peptide- 1 (GLP- 1) receptor agonists, and sodium-glucose co-transporter 2 (SGLT- 2) inhibitors...
April 23, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28437738/simultaneous-spectrophotometric-determination-of-glimepiride-and-pioglitazone-in-binary-mixture-and-combined-dosage-form-using-chemometric-assisted-techniques
#8
Asmaa A El-Zaher, Ehab F Elkady, Hanan M Elwy, Mahmoud Abo El Makarim Saleh
In the present work, pioglitazone and glimepiride, 2 widely used antidiabetics, were simultaneously determined by a chemometric-assisted UV-spectrophotometric method which was applied to a binary synthetic mixture and a pharmaceutical preparation containing both drugs. Three chemometric techniques - Concentration residual augmented classical least-squares (CRACLS), principal component regression (PCR), and partial least-squares (PLS) were implemented by using the synthetic mixtures containing the two drugs in acetonitrile...
March 14, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28437189/metformin-attenuates-radiation-induced-pulmonary-fibrosis-in-a-murine-model
#9
Jian Wang, Ye Wang, Jun Han, Hong Mei, Dandan Yu, Qian Ding, Tao Zhang, Gang Wu, Gang Peng, Zhenyu Lin
While radiotherapy continues to be a major cancer treatment option, its dose-limiting side effects, such as pulmonary fibrosis, severely impair the quality of life in these patients. In this study, we evaluated the radioprotective effects of metformin, a commonly used biguanide antidiabetic medication, in a murine model of pulmonary damage. Sprague Dawley(®) rats received whole lung 20 Gy irradiation with or without metformin treatment. Computed tomography (CT) was performed and Hounsfield units (HU) were determined during the observation period...
April 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28437153/diabetic-ketoacidosis-in-patients-with-type-2-diabetes-recently-commenced-on-sglt-2-inhibitors-an-ongoing-concern
#10
Mohamed Ahmed, Malachi J McKenna, Rachel K Crowley
OBJECTIVE: Sodium-glucose cotransporter 2 (SGLT-2) inhibitors are increasingly used as an adjunctive treatment for type 2 diabetes. We report the occurrence of diabetic ketoacidosis (DKA) in 3 patients with type 2 diabetes recently commenced on SGLT-2 inhibitors. METHODS: Clinical presentation, laboratory data, and treatment outcomes of all 3 cases are described. RESULTS: All 3 patients had documented history of longstanding type 2 diabetes...
April 2, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28435304/comparative-effectiveness-of-glycemic-control-in-patients-with-type-2-diabetes-treated-with-glp-1-receptor-agonists-a-network-meta-analysis-of-placebo-controlled-and-active-comparator-trials
#11
Michelle E Orme, Hiep Nguyen, Jackie Y Lu, Susan A Thomas
BACKGROUND: Clinical studies of patients with type 2 diabetes show that GLP-1 receptor agonists (GLP-1 RAs) improve glycemic control and promote weight loss. We conducted a Bayesian network meta-analysis (NMA) of placebo- and active-controlled randomized trials to assess the comparative effectiveness of liraglutide, albiglutide, dulaglutide, and exenatide twice daily and once weekly, with a focus on glycemic control. MATERIALS AND METHODS: We searched Medline, Embase, and the Cochrane Library (up to December 2014) for core registration programs for US-approved GLP-1 RAs...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28435048/morella-serrata-lam-killick-stabilizes-biomembrane-and-rejuvenates-sexual-competence-in-male-wistar-rats
#12
S Sabiu, Aot Ashafa
ETHNOPHARMACOLOGICAL RELEVANCE: Morella serrata L. is an indigenous medicinal plant to South and southern Africa with folkloric applications as aphrodisiac, laxative, antimicrobial, anti-inflammatory, analgesic, anti-hypertensive, antitussive and antidiabetic agent. AIM OF THE STUDY: This study evaluated the membrane stabilization and aphrodisiac potentials of its aqueous root extract in male Wistar rats. MATERIALS AND METHODS: While the membrane stabilization of the extract was investigated against bovine erythrocytes (BE), the male rats for the aphrodisiac study were randomized into five groups with animals in group 1 given sterile placebo and served as control...
April 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28432726/combination-therapy-with-glp-1-receptor-agonist-and-sglt2-inhibitor
#13
REVIEW
Ralph A DeFronzo
The SGLT2 inhibitors (SGLTi) and glucagon-like-1 receptor agonists (GLP-1 RAs) effectively reduce HbA1c, but via very different mechanisms, making them an effective duet for combination therapy. Recently, drugs in both of these antidiabetic classes have been shown to reduce cardiovascular events, most likely by different mechanisms. SGLT2i appear to exert their CV protective actions by hemodynamic effects, while GLP-1 RAs work via anti-atherogenic/anti-inflammatory mechanisms, raising the possibility that combined therapy with these two classes may produce additive CV benefits...
April 22, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28432330/enhanced-response-of-metformin-towards-the-cancer-cells-due-to-synergism-with-multi-walled-carbon-nanotubes-in-photothermal-therapy
#14
Sweejiang Yoo, Jin Hou, Wenhui Yi, Yingchun Li, Weiping Chen, Lingjie Meng, Jinhai Si, Xun Hou
Converging evidence from laboratory models pointed that the widely used antidiabetic drug metformin has direct effects on cancer cells. Thus far, relatively little attention has been addressed to the drug exposures used experimentally relative to those achievable clinically. Here, we demonstrated that metformin loaded on carbon nanotubes under near-infrared (NIR) irradiation led to the remarkably enhancement in response towards cancer cells. The dose of metformin has reduced to only 1/280 of typical doses in monotherapy (35: 10 000-30 000 µM) where the realization of metformin in conventional antidiabetic doses for cancer therapies becomes possible...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429860/safety-tolerability-and-efficacy-of-lixisenatide-in-combination-with-oral-antidiabetic-treatment-in-japanese-patients-with-type-2-diabetes-an-open-label-multicenter-study
#15
Yutaka Seino, Aleksandra Stjepanovic, Akane Takami, Hiroki Takagi
AIM/INTRODUCTION: To assess overall safety and efficacy of lixisenatide in combination with background oral antidiabetic drug treatment in Japanese patients with type 2 diabetes, as required by Japanese guidelines. MATERIALS AND METHODS: A Phase 3, multicenter, uncontrolled, open-label, four-arm, parallel-group study in Japanese outpatients with type 2 diabetes; patients received once-daily lixisenatide in combination with biguanide, thiazolidinedione, alpha-glucosidase inhibitors, or glinide (NCT01940965)...
April 21, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28429253/modified-metformin-as-a-more-potent-anticancer-drug-mitochondrial-inhibition-redox-signaling-antiproliferative-effects-and-future-epr-studies
#16
Balaraman Kalyanaraman, Gang Cheng, Micael Hardy, Olivier Ouari, Adam Sikora, Jacek Zielonka, Michael B Dwinell
Metformin, one of the most widely prescribed antidiabetic drugs in the world, is being repurposed as a potential drug in cancer treatment. Epidemiological studies suggest that metformin exerts anticancer effects in diabetic patients with pancreatic cancer. However, at typical antidiabetic doses the bioavailability of metformin is presumably too low to exert antitumor effects. Thus, more potent analogs of metformin are needed in order to increase its anticancer efficacy. To this end, a new class of mitochondria-targeted metformin analogs (or mito-metformins) containing a positively-charged lipophilic triphenylphosphonium group was synthesized and tested for their antitumor efficacy in pancreatic cancer cells...
April 21, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28429125/low-plasma-homoarginine-concentration-is-associated-with-high-rates-of-all-cause-mortality-in-renal-transplant-recipients
#17
Arslan Arinc Kayacelebi, Isidor Minović, Erik Hanff, Anne-Roos S Frenay, Martin H de Borst, Martin Feelisch, Harry van Goor, Stephan J L Bakker, Dimitrios Tsikas
In renal transplant recipients (RTR), we recently found that low urinary excretion of homoarginine (hArg) is associated with mortality and graft failure. However, it is not known whether such prospective associations also hold true for plasma concentrations of hArg. In the present study, we therefore determined plasma concentrations of hArg in the same cohort, i.e. in 687 RTR (functioning graft ≥1 year), and in 140 healthy donors, before and after kidney donation. Plasma hArg concentrations were significantly lower in RTR compared to healthy controls [1...
April 20, 2017: Amino Acids
https://www.readbyqxmd.com/read/28428689/experimental-validation-of-antidiabetic-potential-of-cayratia-trifolia-l-domin-an-indigenous-medicinal-plant
#18
Shahid Iqbal Mohammed, Narendra Subhash Salunkhe, Kishor Sukhlal Vishwakarma, Vijay Laxminarayan Maheshwari
The present study was undertaken to evaluate antidiabetic and antioxidant activities of Cayratia trifolia root extract against streptozotocin induced diabetes in experimental rats to scientifically validate its use against diabetes in some parts of India. Ethanolic extract, showing the highest activity in in vitro experiments, was prepared in saline and administered orally to streptozotocin induced albino Wistar diabetic rats for 21 days. Biochemical parameters liver and muscles glycogen and in vivo antioxidant activity in normal, diabetic control, standard (metformin) and treated animals were determined and compared...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28428321/sulfonylureas-and-the-risks-of-cardiovascular-events-and-death-a-methodological-meta-regression-analysis-of-the-observational-studies
#19
REVIEW
Laurent Azoulay, Samy Suissa
Recent randomized trials have compared the newer antidiabetic agents to treatments involving sulfonylureas, drugs associated with increased cardiovascular risks and mortality in some observational studies with conflicting results. We reviewed the methodology of these observational studies by searching MEDLINE from inception to December 2015 for all studies of the association between sulfonylureas and cardiovascular events or mortality. Each study was appraised with respect to the comparator, the outcome, and study design-related sources of bias...
May 2017: Diabetes Care
https://www.readbyqxmd.com/read/28426445/small-dense-ldl-an-update
#20
Philipp A Gerber, Dragana Nikolic, Manfredi Rizzo
PURPOSE OF REVIEW: In this review, we summarize the latest findings on small, dense LDL (sdLDL) atherogenic particles, including their associations with other biomarkers. RECENT FINDINGS: Increased sdLDL levels have been reported not only in different metabolic disorders such as diabetes, obesity and metabolic syndrome, but also in patients with rheumatoid and psoriatic arthritis as well as hypothyroidism. A wide range of lipid-lowering, as well as other drug classes, including novel antidiabetic agents and nutraceuticals, exert favourable effects on these atherogenic particles...
April 19, 2017: Current Opinion in Cardiology
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