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https://www.readbyqxmd.com/read/29134977/metformin-effects-are-augmented-by-chronic-intermittent-cold-stress-in-high-fat-diet-fed-male-wistar-rats
#1
A O Ige, O I Iwaloye, E O Adewoye
This study investigated the effects of metformin on some glucose regulatory indices in high fat diet (HFD) fedmale Wistar rats exposed to room temperature and chronic intermittent cold stress (CICS). Thirty rats were randomly dividedinto 5 groups. Group 1(control) was maintained on standard rat chow while groups 2-5 were maintained on HFD for 8weeksrespectively prior to experimental procedures. Control, group 2(HFD untreated) and group 3(HFD+metformin (250mg/kg)were exposed to room temperature while groups 4(HFD untreated+CICS) and 5(HFD+CICS+metformin) were exposed toCICS for 21days...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29127747/-treatment-strategy-of-type-2%C3%A2-diabetes-used-in-czech-republic-after-metformin-therapy-failure
#2
Štěpán Svačina, Petra Ovesná, Matyáš Kuhn, Martina Nováčková
INTRODUCTION: Type 2 diabetes is an enormous medical problem caused by increasing prevalence of the disease and increasing prevalence of severe chronic complications of diabetes. New ADA/EASD guidelines and also Czech diabetes society guidelines enable effective individual approach to the patient. Goal of the therapy is optimal compensation of diabetes and prevention of acute and chronic complications of diabetes and decrease of mortality. Diabetes therapy is started by education in diet a regime combined with metformin...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29113111/the-mxl-3-sbp-1-axis-is-responsible-for-glucose-dependent-fat-accumulation-in-c-elegans
#3
Fanny Mejia-Martinez, Berenice Franco-Juarez, Elizabeth Moreno-Arriola, Alain Hernández-Vázquez, Marco Martinez-Avila, Saul Gómez-Manzo, Jaime Marcial-Quino, Karla Carvajal, Antonio Velazquez-Arellano, Daniel Ortega-Cuellar
Chronic exposure to elevated glucose levels leads to fatty acid accumulation, which promotes the development of metabolic diseases such as obesity and type 2 diabetes. MXL-3 is a conserved transcriptional factor that modulates the inhibition of lipolysis in Caenorhabditis elegans. However, the role of MXL-3 in lipid metabolism during nutrient excess remains unknown. We hypothesized that inhibition of MXL-3 prevents glucose-dependent fat accumulation. Nematodes from wild-type N2, MXL-3::GFP and sbp-1 or mxl-3 null strains were grown on standard, high glucose or high glucose plus metformin plates for 24 h...
November 6, 2017: Genes
https://www.readbyqxmd.com/read/29109662/budget-impact-of-introducing-linagliptin-into-bosnia-and-herzegovina-health-insurance-drug-reimbursement-list-in-2016-2018
#4
Tarik Catic, Lana Lekic, Vlad Zah, Vedad Tabakovic
Introduction: Diabetes is reaching epidemiological scales worldwide. Beside health implications diabetes bears significant financial impact on health systems. Different treatment options aiming to prevent diabetes complications are available. Dipeptidyl-peptidase-IV (DPP-4) inhibitors like linagliptin are usually add-on therapy to metformin in order to achieve glycemic control. Expenditure for oral antidiabetic medicines in Bosnia and Herzegovina (B&H) is low accounting for only 2.53% of the total drug market expenditure...
September 2017: Materia Socio-medica
https://www.readbyqxmd.com/read/29099085/eburicoic-acid-a-triterpenoid-compound-from-antrodia-camphorata-displays-antidiabetic-and-antihyperlipidemic-effects-in-palmitate-treated-c2c12-myotubes-and-in-high-fat-diet-fed-mice
#5
Cheng-Hsiu Lin, Yueh-Hsiung Kuo, Chun-Ching Shih
This study was designed to investigate the antidiabetic and antihyperlipidemic effects and mechanisms of eburicoic acid (TRR); one component of Antrodia camphorata in vitro and in an animal model for 14 weeks. Expression levels of membrane glucose transporter type 4 (GLUT4); phospho-5'-adenosine monophosphate-activated protein kinase (AMPK)/total AMPK; and phospho-Akt/total-Akt in insulin-resistant C2C12 myotube cells were significantly decreased by palmitate; and such decrease was prevented and restored by TRR at different concentrations...
November 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29094444/metformin-as-a-prophylactic-treatment-of-gestational-diabetes-in-pregnant-patients-with-pregestational-insulin-resistance-a-randomized-study
#6
Enrique Valdés, Alvaro Sepúlveda-Martínez, Paula Candia, Nancy Abusada, Rodrigo Orellana, Bárbara Manukian, Eduardo Cuellar
AIM: We aimed to assess the use of metformin (MTF) in the prevention of gestational diabetes mellitus (GDM) in patients with pregestational insulin resistance (PIR). METHODS: A double blind, multicenter, randomized trial was carried out in patients with a history of PIR and pregestational MTF treatment. Groups were allocated either to MTF 1700 mg/day or placebo. Patients were recruited between 12(+0) and 15(+6)  gestational weeks, and treatment was extended until week 36...
November 2, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29082364/effect-of-metformin-on-maternal-and-neonatal-outcomes-in-pregnant-obese-non-diabetic-women-a-meta-analysis
#7
Ahmed Elmaraezy, Abdelrahman Ibrahim Abushouk, Amany Emara, Omar Elshahat, Hussien Ahmed, Magdy I Mostafa
BACKGROUND: Metformin reduces maternal and neonatal weight gain in gestational diabetes mellitus; however, this effect is poorly investigated in non-diabetic women. OBJECTIVE: We performed this meta-analysis to investigate the effect of metformin intake during pregnancy on maternal and neonatal outcomes in obese non-diabetic women. MATERIALS AND METHODS: We searched Medline, EMBASE, and Cochrane CENTRAL for eligible randomized controlled trials addressing the efficacy of metformin in pregnant obese non-diabetic women...
August 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29075499/metformin-therapy-and-postoperative-atrial-fibrillation-in-diabetic-patients-after-cardiac-surgery
#8
Suresh Basnet, Andrzej Kozikowski, Haiyan Sun, Melissa Troup, Luis E Urrutia, Renee Pekmezaris
BACKGROUND: Postoperative atrial fibrillation (AF) commonly occurs in cardiac surgery patients. Studies suggest inflammation and oxidative stress contribute to postoperative AF development in this patient population. Metformin exerts an anti-inflammatory effect that reduces oxidative stress and thus may play a role in preventing postoperative AF. METHODS: We conducted a matched, retrospective cohort study of diabetic patients' age ≥18 undergoing a coronary artery bypass graft (CABG) and/or cardiac valve surgery from January 1, 2009, to November 30, 2014...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/29066174/attenuation-of-cd4-cd25-regulatory-t-cells-in-the-tumor-microenvironment-by-metformin-a-type-2-diabetes-drug
#9
Yuki Kunisada, Shingo Eikawa, Nahoko Tomonobu, Shohei Domae, Takenori Uehara, Shohei Hori, Yukihiro Furusawa, Koji Hase, Akira Sasaki, Heiichiro Udono
CD4(+)CD25(+) regulatory T cells (Treg), an essential subset for preventing autoimmune diseases, is implicated as a negative regulator in anti-tumor immunity. We found that metformin (Met) reduced tumor-infiltrating Treg (Ti-Treg), particularly the terminally-differentiated CD103(+)KLRG1(+) population, and also decreased effector molecules such as CTLA4 and IL-10. Met inhibits the differentiation of naïve CD4(+) T cells into inducible Treg (iTreg) by reducing forkhead box P3 (Foxp3) protein, caused by mTORC1 activation that was determined by the elevation of phosphorylated S6 (pS6), a downstream molecule of mTORC1...
October 16, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29063276/the-infamous-famous-sulfonylureas-and-cardiovascular-safety-much-ado-about-nothing
#10
REVIEW
Laurentiu M Pop, Ildiko Lingvay
PURPOSE OF REVIEW: Sulfonylureas (SUs) are one of the most commonly used glucose-lowering agents worldwide. While their efficacy is undisputed, their cardiovascular safety has been debated since the 1970's. RECENT FINDINGS: With no dedicated cardiovascular studies to definitively answer this question, observational studies and meta-analyses abound and have reported divergent results, fueling the controversy. Studies that compared SUs to metformin or newer agents, like GLP-1 agonists and SGLT2 inhibitors, suggest a difference in cardiovascular events, yet this is likely the result of beneficial effects of the latter...
October 23, 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/29057643/monotherapy-in-patients-with-type-2-diabetes-mellitus
#11
REVIEW
Sang Youl Rhee, Hyun Jin Kim, Seung-Hyun Ko, Kyu Yeon Hur, Nan-Hee Kim, Min Kyong Moon, Seok-O Park, Byung-Wan Lee, Kyung Mook Choi, Jin Hwa Kim
In order to improve the quality of life and to prevent chronic complications related to diabetes mellitus, intensive lifestyle modification and proper medication are needed from the early stage of diagnosis of type 2 diabetes mellitus (T2DM). When using the first medication for diabetic patients, the appropriate treatment should be selected considering the clinical characteristics of the patient, efficacy of the drug, side effects, and cost. In general, the use of metformin as the first treatment for oral hypoglycemic monotherapy is recommended because of its excellent blood glucose-lowering effect, relatively low side effects, long-term proven safety, low risk of hypoglycemia, and low weight gain...
November 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29040818/metformin-attenuates-er-stress-induced-mitochondrial-dysfunction
#12
Qun Chen, Jeremy Thompson, Ying Hu, Anindita Das, Edward J Lesnefsky
Endoplasmic reticulum (ER) stress, a disturbance of the ER function, contributes to cardiac injury. ER and mitochondria are closely connected organelles within cells. ER stress contributes to mitochondrial dysfunction, which is a key factor to increase cardiac injury. Metformin, a traditional anti-diabetic drug, decreases cardiac injury during ischemia-reperfusion. Metformin also inhibits ER stress in cultured cells. We hypothesized that metformin can attenuate the ER stress-induced mitochondrial dysfunction and subsequent cardiac injury...
September 28, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29032153/metformin-overcomes-high-glucose-induced-insulin-resistance-of-podocytes-by-pleiotropic-effects-on-sirt1-and-ampk
#13
Dorota Rogacka, Irena Audzeyenka, Michał Rychłowski, Patrycja Rachubik, Maria Szrejder, Stefan Angielski, Agnieszka Piwkowska
Podocyte insulin sensitivity is critical for glomerular function, and the loss of appropriate insulin signaling leads to alterations and disorders featuring diabetic nephropathy. Energy-sensing pathways, such as AMP-dependent protein kinase (AMPK) and protein deacetylase SIRT1, have been shown to play an important role in insulin resistance. The absence of a stimulating effect of insulin on glucose uptake into podocytes after exposure to hyperglycemic conditions has been demonstrated to be related to a decreased level and activity of SIRT1 protein, leading to reduced AMPK phosphorylation...
October 13, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29025860/negative-regulation-of-trpa1-by-amp-activated-protein-kinase-in-primary-sensory-neurons-as-a-potential-mechanism-of-painful-diabetic-neuropathy
#14
Shenglan Wang, Kimiko Kobayashi, Yoko Kogure, Hiroki Yamanaka, Satoshi Yamamoto, Hideshi Yagi, Koichi Noguchi, Yi Dai
AMP activated protein kinase (AMPK) is a widely expressed intracellular energy sensor that monitors and modulates energy expenditure. Transient receptor potential ankyrin 1 (TRPA1) channel is a widely recognized chemical and thermal sensor that plays vital roles in pain transduction. Here, we discovered a functional link between AMPK and TRPA1 in dorsal root ganglion (DRG) neurons, in which AMPK activation rapidly resulted in downregulation of membrane-associated TRPA1 and its channel activity within minutes...
October 12, 2017: Diabetes
https://www.readbyqxmd.com/read/29021207/impact-of-lifestyle-and-metformin-interventions-on-the-risk-of-progression-to-diabetes-and-regression-to-normal-glucose-regulation-in-overweight-or-obese-people-with-impaired-glucose-regulation
#15
William H Herman, Qing Pan, Sharon L Edelstein, Kieren J Mather, Leigh Perreault, Elizabeth Barrett-Connor, Dana M Dabelea, Edward Horton, Steven E Kahn, William C Knowler, Carlos Lorenzo, Xavier Pi-Sunyer, Elizabeth Venditti, Wen Ye
OBJECTIVE: Both lifestyle and metformin interventions can delay or prevent progression to type 2 diabetes mellitus (DM) in people with impaired glucose regulation, but there is considerable interindividual variation in the likelihood of receiving benefit. Understanding an individual's 3-year risk of progressing to DM and regressing to normal glucose regulation (NGR) might facilitate benefit-based tailored treatment. RESEARCH DESIGN AND METHODS: We used the values of 19 clinical variables measured at the Diabetes Prevention Program (DPP) baseline evaluation and Cox proportional hazards models to assess the 3-year risk of progression to DM and regression to NGR separately for DPP lifestyle, metformin, and placebo participants who were adherent to the interventions...
October 11, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29016549/depressive-symptoms-antidepressant-medication-use-and-inflammatory-markers-in-the-diabetes-prevention-program
#16
Mary de Groot, David Marrero, Lisa Mele, Todd Doyle, Frank Schwartz, Kieren J Mather, Ronald Goldberg, David W Price, Yong Ma, William C Knowler
OBJECTIVE: Antidepressant medication use (ADM) has been shown to predict diabetes. This paper assessed the role of inflammatory markers in this relationship within the Diabetes Prevention Program (DPP). METHODS: DPP participants randomized to Metformin (MET), Lifestyle Intervention (ILS) or placebo (PLB) were assessed for depression (BDI; Beck Depression Inventory) annually; ADM use semi-annually; serum inflammatory markers (CRP, IL-6) at baseline and Year 1; and diagnosis of T2DM semi-annually (over 3...
October 10, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28979682/protopanaxadiol-and-metformin-synergistically-inhibit-estrogen-mediated-proliferation-and-anti-autophagy-effects-in-endometrial-cancer-cells
#17
Chun-Jie Gu, Jiao Cheng, Bing Zhang, Shao-Liang Yang, Feng Xie, Jian-Song Sun, Li-Qing Huang, Jin-Jin Yu, Ming-Qing Li
Metformin is commonly used for treating type II diabetes and has recently been reported to possess anti-proliferative properties that can be exploited for the prevention and treatment of a variety of cancers. Ginsenosides are the main effective biological components of ginseng. It has been reported that ginsenoside-Rb2 inhibit the invasiveness of endometrial cancer cells (ECC). The aim of this study was to investigate whether protopanaxadiol (PPD, a metabolite of ginsenosides) and metformin could synergistically regulate the biological behavior of ECC and analyze its possible mechanism...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28954880/metformin-vs-sulfonylurea-use-and-risk-of-dementia-in-us-veterans-aged-%C3%A2-65-years-with-diabetes
#18
Ariela R Orkaby, Kelly Cho, Jean Cormack, David R Gagnon, Jane A Driver
OBJECTIVE: To determine whether metformin is associated with a lower incidence of dementia than sulfonylureas. METHODS: This was a retrospective cohort study of US veterans ≥65 years of age with type 2 diabetes who were new users of metformin or a sulfonylurea and had no dementia. Follow-up began after 2 years of therapy. To account for confounding by indication, we developed a propensity score (PS) and used inverse probability of treatment weighting (IPTW) methods...
October 31, 2017: Neurology
https://www.readbyqxmd.com/read/28954840/a-high-carbohydrate-high-fiber-low-fat-diet-results-in-weight-loss-among-adults-at-high-risk-of-type-2-diabetes
#19
Allison C Sylvetsky, Sharon L Edelstein, Geoffrey Walford, Edward J Boyko, Edward S Horton, Uzoma N Ibebuogu, William C Knowler, Maria G Montez, Marinella Temprosa, Mary Hoskin, Kristina I Rother, Linda M Delahanty
Background: Weight loss is a key factor in reducing diabetes risk. The Diabetes Prevention Program (DPP) is a completed clinical trial that randomly assigned individuals at high risk of diabetes to a placebo (PLBO), metformin (MET), or intensive lifestyle intervention (ILS) group, which included physical activity (PA) and reduced dietary fat intake.Objective: We aimed to evaluate the associations between diet and weight at baseline and to identify specific dietary factors that predicted weight loss among DPP participants...
November 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28947975/phenformin-inhibits-growth-and-epithelial-mesenchymal-transition-of-erbb2-overexpressing-breast-cancer-cells-through-targeting-the-igf1r-pathway
#20
Zhiying Guo, Ming Zhao, Erin W Howard, Qingxia Zhao, Amanda B Parris, Zhikun Ma, Xiaohe Yang
Reports suggest that metformin, a popular anti-diabetes drug, prevents breast cancer through various systemic effects, including insulin-like growth factor receptor (IGFR) regulation. Although the anti-cancer properties of metformin have been well-studied, reports on a more bioavailable/potent biguanide, phenformin, remain sparse. Phenformin exerts similar functional activity to metformin and has been reported to impede mammary carcinogenesis in rats. Since the effects of phenformin on specific breast cancer subtypes have not been fully explored, we used ErbB2-overexpressing breast cancer cell and animal models to test the anti-cancer potential of phenformin...
September 1, 2017: Oncotarget
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