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https://www.readbyqxmd.com/read/29165830/possible-protective-mechanisms-exerted-by-metformin-or-metformin-and-vitamin-e-in-isoproterenol-induced-cardiac-injury
#1
Nawal M Al-Rasheed, Nouf M Al-Rasheed, Danah A Al-Rabeeah, Heba S Al-Barrak, Salma A Al-Salman, Shahd A Ibrahim, Sulafa A Al-Hassab, Maha A Al-Amin, Iman H Hasan, Hanaa N Al-Ajmi, Tahani K Al-Shammari
Several studies have reported that metformin is cardioprotective for diabetic and non-diabetic ischemic hearts through mechanisms that cannot be entirely attributed to its anti-hyperglycemic effect. This study was designed to investigate the cardioprotective effects of metformin with and without vitamin E after induction myocardial infarction (MI) in rats, using isoproterenol. Administration of metformin or vitamin E significantly reduced the cardiac mass index (P<0.01), ameliorated the changes to cardiac biomarkers, and attenuated oxidative stress levels compared to the isoproterenol group...
November 22, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29142561/feto-maternal-outcomes-and-glycemic-control-in-metformin-versus-insulin-treated-gestational-diabetics
#2
Rabia Arshad, Samia Khanam, Fuad Shaikh, Nasim Karim
Objective: To evaluate and compare feto-maternal outcomes and glycemic control in metformin versus insulin treated gestational diabetics. Methods: The study was conducted in 2010- 2012 as a part of M. Phil at Civil hospital, Lyari General Hospital and Mamji Hospital in Karachi. After written informed consent, 71 GDM diagnosed females with WHO criteria were enrolled. They were divided into two groups. Group-A, 32 females were given oral metformin 500 mg TDS while Group-B, 39 females were given insulin 0...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29136662/protective-effect-of-metformin-against-retinal-vein-occlusions-in-diabetes-mellitus-a-nationwide-population-based-study
#3
Tai-Chi Lin, De-Kuang Hwang, Chih-Chien Hsu, Chi-Hsien Peng, Mong-Lien Wang, Shih-Hwa Chiou, Shih-Jen Chen
Previous studies have found that metformin can reduce cardiovascular risk, but its association with retinal vein occlusion (RVO) is unknown. In this population-based cohort study using the Taiwan National Health Insurance Research Database (NHIRD), we demonstrated the protective effect of metformin against RVO in diabetes mellitus (DM) and explored the incidence rate and factors associated with RVO development in general and diabetic populations. One million patients were randomly selected from the registry files of the NHIRD, and all their claims data were collected for the 1996-2011 period...
2017: PloS One
https://www.readbyqxmd.com/read/29110599/effect-of-metformin-on-plasma-fibrinogen-concentrations-a-systematic-review-and-meta-analysis-of-randomized-placebo-controlled-trials
#4
Luis E Simental-Mendia, Matteo Pirro, Stephen L Atkin, Maciej Banach, Dimitri P Mikhailidis, Amirhossein Sahebkar
OBJECTIVE: Fibrinogen is a key mediator of thrombosis and it has been implicated in the pathogenesis of atherosclerosis. Because metformin has shown a potential protective effect on different atherothrombotic risk factors, we assessed in this meta-analysis its effect on plasma fibrinogen concentrations. METHODS: A systematic review and meta-analysis was carried out to identify randomized placebo-controlled trials evaluating the effect of metformin administration on fibrinogen levels...
November 3, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29106036/inhibition-of-mitochondrial-complex-i-improves-glucose-metabolism-independently-of-ampk-activation
#5
Wo-Lin Hou, Jun Yin, Miriayi Alimujiang, Xue-Ying Yu, Li-Gen Ai, Yu-Qian Bao, Fang Liu, Wei-Ping Jia
Accumulating evidences showed metformin and berberine, well-known glucose-lowering agents, were able to inhibit mitochondrial electron transport chain at complex I. In this study, we aimed to explore the antihyperglycaemic effect of complex I inhibition. Rotenone, amobarbital and gene silence of NDUFA13 were used to inhibit complex I. Intraperitoneal glucose tolerance test and insulin tolerance test were performed in db/db mice. Lactate release and glucose consumption were measured to investigate glucose metabolism in HepG2 hepatocytes and C2C12 myotubes...
November 6, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29103210/insulin-for-the-treatment-of-women-with-gestational-diabetes
#6
REVIEW
Julie Brown, Luke Grzeskowiak, Kathryn Williamson, Michelle R Downie, Caroline A Crowther
BACKGROUND: Gestational diabetes mellitus (GDM) is associated with short- and long-term complications for the mother and her infant. Women who are unable to maintain their blood glucose concentration within pre-specified treatment targets with diet and lifestyle interventions will require anti-diabetic pharmacological therapies. This review explores the safety and effectiveness of insulin compared with oral anti-diabetic pharmacological therapies, non-pharmacological interventions and insulin regimens...
November 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29100387/metabolic-modulation-of-ewing-sarcoma-cells-inhibits-tumor-growth-and-stem-cell-properties
#7
Atreyi Dasgupta, Matteo Trucco, Nino Rainusso, Ronald J Bernardi, Ryan Shuck, Lyazat Kurenbekova, David M Loeb, Jason T Yustein
Ewing sarcoma (EWS) is a highly aggressive and metabolically active malignant tumor. Metabolic activity can broadly be characterized by features of glycolytic activity and oxidative phosphorylation. We have further characterized metabolic features of EWS cells to identify potential therapeutic targets. EWS cells had significantly more glycolytic activity compared to their non-malignant counterparts. Thus, metabolic inhibitors of glycolysis such as 2-deoxy-D-glucose (2DG) and of the mitochondrial respiratory pathway, such as metformin, were evaluated as potential therapeutic agents against a panel of EWS cell lines in vitro...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29095983/progesterone-suppression-of-lh-pulse-frequency-in-adolescent-girls-with-hyperandrogenism-effects-of-metformin
#8
Jessica A Lundgren, Su Hee Kim, Christine M Burt Solorzano, Christopher R McCartney, John C Marshall
Context: Polycystic ovary syndrome (PCOS) and adolescent hyperandrogenism (HA) are characterized by rapid LH (GnRH) pulse frequency. This partly reflects impaired GnRH pulse generator (hypothalamic) sensitivity to progesterone (P4) negative feedback. We aimed to assess whether metformin may improve P4 sensitivity in adolescent HA, for which it is prescribed widely. Objective: To test the hypothesis that metformin improves hypothalamic P4 sensitivity in adolescent HA...
October 31, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29082364/effect-of-metformin-on-maternal-and-neonatal-outcomes-in-pregnant-obese-non-diabetic-women-a-meta-analysis
#9
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/29080044/metformin-effect-on-tsh-in-subclinical-hypothyroidism-randomized-double-blind-placebo-controlled-clinical-trial
#10
Mateus Dornelles Severo, Thais Stürmer Andrade, Vicente Correa Junior, Alexandre Antonio Naujorks, Miguel Gus, Beatriz D Schaan
INTRODUCTION: Non-randomized trials suggest that metformin may reduce TSH levels through unknown mechanisms. OBJECTIVE: To evaluate whether metformin can reduce TSH levels in subjects with subclinical hypothyroidism. PATIENTS AND METHODS: This is a randomized, double-blind, placebo controlled clinical trial with 3 months duration that enrolled 48 individuals, between 18 and 65 years, with subclinical hypothyroidism. The patients were randomized to the use of metformin 850 mg or placebo twice a day for 3 months...
October 27, 2017: Endocrine
https://www.readbyqxmd.com/read/29075499/metformin-therapy-and-postoperative-atrial-fibrillation-in-diabetic-patients-after-cardiac-surgery
#11
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/29073599/combination-of-solamargine-and-metformin-strengthens-igfbp1-gene-expression-through-inactivation-of-stat3-and-reciprocal-interaction-between-foxo3a-and-sp1
#12
Qing Tang, Fang Zheng, JingJing Wu, Qian Xiao, Liuning Li, Swei Sunny Hann
BACKGROUND/AIMS: Solamargine, one natural photochemical component from traditional plants, has been shown to have anti-cancers properties. We previously showed that solamargine inhibited the growth of non-small-cell lung cancer (NSCLC) cells through suppression of prostaglandin E2 (PGE2) receptor EP4 gene and regulation of downstream signaling pathways. However, the detailed mechanism underlying this, especially in combination of metformin, a known AMPK activator, still remained to be determined...
October 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29067058/effect-of-vitamin-d-supplementation-on-reduction-in-levels-of-hba1-in-patients-recently-diagnosed-with-type-2-diabetes-mellitus-having-asymptomatic-vitamin-d-deficiency
#13
Fawad Ahmad Randhawa, Saqib Mustafa, Dur Muhammad Khan, Shahid Hamid
OBJECTIVE: To study the effect of Vitamin D supplementation on reduction in level of HbA1 in patients recently diagnosed with diabetes mellitus Type II having asymptomatic Vitamin D deficiency. METHODS: This randomized control trial was conducted at East Medical Ward Mayo Hospital Lahore for 6 months from January 01 2016 to June 30, 2016. 114 Patients were included through non probability purposive sampling technique. Informed consent and demographic information was collected...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29063073/the-association-between-metformin-use-and-colorectal-cancer-survival-among-patients-with-diabetes-mellitus-an-updated-meta-analysis
#14
Shan Tian, Hong-Bo Lei, Yu-Lan Liu, Yan Chen, Wei-Guo Dong
OBJECTIVE: Recent studies have reported conflicting results on the correlation between metformin use and outcomes in patients with colorectal cancer (CRC). A meta-analysis was performed to evaluate the efficacy of metformin therapy on the prognosis of CRC patients with type 2 diabetes mellitus (T2DM). METHODS: We conducted a systematic search of PubMed, EMBASE, the Cochrane Library, and the Web of Science for related articles up to August 2016. Two investigators independently identified and extracted information...
September 2017: Chronic Dis Transl Med
https://www.readbyqxmd.com/read/29059169/metformin-regulates-global-dna-methylation-via-mitochondrial-one-carbon-metabolism
#15
E Cuyàs, S Fernández-Arroyo, S Verdura, R Á-F García, J Stursa, L Werner, E Blanco-González, M Montes-Bayón, J Joven, B Viollet, J Neuzil, J A Menendez
The anti-diabetic biguanide metformin may exert health-promoting effects via metabolic regulation of the epigenome. Here we show that metformin promotes global DNA methylation in non-cancerous, cancer-prone and metastatic cancer cells by decreasing S-adenosylhomocysteine (SAH), a strong feedback inhibitor of S-adenosylmethionine (SAM)-dependent DNA methyltransferases, while promoting the accumulation of SAM, the universal methyl donor for cellular methylation. Using metformin and a mitochondria/complex I (mCI)-targeted analog of metformin (norMitoMet) in experimental pairs of wild-type and AMP-activated protein kinase (AMPK)-, serine hydroxymethyltransferase 2 (SHMT2)- and mCI-null cells, we provide evidence that metformin increases the SAM:SAH ratio-related methylation capacity by targeting the coupling between serine mitochondrial one-carbon flux and CI activity...
October 23, 2017: Oncogene
https://www.readbyqxmd.com/read/29055102/the-effect-of-clomiphene-citrate-on-endometrial-thickness-ovulation-pregnancy-and-live-birth-in-anovulatory-women-a-systematic-review-and-meta-analysis
#16
REVIEW
Moustafa A Gadalla, Shuo Huang, Rui Wang, Robert J Norman, Sayed A Abdullah, Ali M El Saman, Alaa M Ismail, Madelon van Wely, Ben W J Mol
OBJECTIVES: To compare the impact of clomiphene citrate (CC) versus other drug regimens on mid-cycle endometrial thickness (EMT), ovulation, pregnancy and live birth rates in women with WHO group II ovulatory disorders. METHODS: We searched MEDLINE, EMBASE, Scopus, Web of Science, The Cochrane Central Register of Clinical Trial (CENTRAL), and the non-MEDLINE subset of PubMed from inception to December 2016 and cross-checked references of relevant articles. We only included randomized controlled trials (RCTs) comparing CC used alone versus other drug regimens for ovulation induction in women with WHO group II anovulation...
October 21, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29029501/metformin-and-endometrial-cancer-survival-a-quantitative-synthesis-of-observational-studies
#17
Jianfeng Guo, Kai Xu, Min An, Yingchao Zhao
Metformin has been reported to have anticancer effect and can affect patient survival in several malignancies. However, the results are inconclusive for endometrial cancer. Hence, we conducted a systematic review and meta-analysis to investigate the prognostic role of metformin in patients with endometrial cancer. Studies were identified from Pubmed and Embase database through March 2017. Observational studies reporting hazard ratios (HRs) with 95% confidence intervals (CIs) for overall survival (OS) and progression-free survival (PFS) were selected...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29025846/cohort-profile-for-the-mastermind-study-using-the-clinical-practice-research-datalink-cprd-to-investigate-stratification-of-response-to-treatment-in-patients-with-type-2-diabetes
#18
Lauren R Rodgers, Michael N Weedon, William E Henley, Andrew T Hattersley, Beverley M Shields
PURPOSE: This is a retrospective cohort study using observational data from anonymised primary care records. We identify and extract all patients with type 2 diabetes and associated clinical data from the Clinical Practice Research Datalink (CPRD) to inform models of disease progression and stratification of treatment. PARTICIPANTS: Data were extracted from CPRD on 8 August 2016. The initial data set contained all patients (n=313 485) in the database who had received a type 2 diabetes medication...
October 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29016549/depressive-symptoms-antidepressant-medication-use-and-inflammatory-markers-in-the-diabetes-prevention-program
#19
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/28981404/a-diabetes-pay-for-performance-program-and-risks-of-cancer-incidence-and-death-in-patients-with-type-2-diabetes-in-taiwan
#20
Hui-Min Hsieh, Jiun-Shiuan He, Shyi-Jang Shin, Herng-Chia Chiu, Charles Tzu-Chi Lee
INTRODUCTION: We sought to evaluate the effects of diabetes disease management through a diabetes pay-for-performance (P4P) program in Taiwan on risks of incident cancer and mortality among patients with type 2 diabetes. METHODS: We conducted a longitudinal observational cohort study using 3 population-based databases in Taiwan. Using propensity score matching, we compared patients with type 2 diabetes who enrolled in a P4P program with a similar group of patients who did not enroll in the in P4P program (non-P4P)...
October 5, 2017: Preventing Chronic Disease
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