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Metformin Aging

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https://www.readbyqxmd.com/read/28228317/short-term-therapy-with-combination-dipeptidyl-peptidase-4-inhibitor-saxagliptin-metformin-extended-release-xr-is-superior-to-saxagliptin-or-metformin-xr-monotherapy-in-prediabetic-women-with-polycystic-ovary-syndrome-a-single-blind-randomized-pilot-study
#1
Karen E Elkind-Hirsch, Martha S Paterson, Ericka L Seidemann, Hanh C Gutowski
OBJECTIVE: To evaluate efficacy with the dipeptidyl peptidase-4 inhibitor saxagliptin (SAXA), metformin extended release (MET), and combination (SAXA-MET) in patients with polycystic ovary syndrome (PCOS) and impaired glucose regulation. DESIGN: Prospective, randomized, single-blind drug study. SETTING: Outpatient clinic. PATIENT(S): Patients (n = 38) with PCOS (aged 18-42 years) and prediabetic hyperglycemia determined by a 75-gram oral glucose tolerance test...
January 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28217526/the-rule-of-two-thirds-in-diabetes-epidemiology
#2
Sanjay Kalra, Banshi Saboo, Rakesh Sahay, Deepak Khandelwal, Vipin Talwar, A G Unnikrishnan
This communication hypothesises a rule of two thirds which seems to operate in Indian diabetes epidemiology. Two thirds of all persons with dysglycemia are prediabetic; two thirds of all persons with diabetes are diagnosed to have the condtion; and two thirds are diagnosed before the age of 50 years. Two thirds of people with diabetes have concomitant hypetension or dyslipidemia; two thirds do not get their HbA1c assessed; and two thirds of those who do, do not achiev target values. Yet, two thirds of people with diabetes report satisfactory psychosocial health and quality of life, and adherence to dietary therapy and medication...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28209925/the-stress-polarity-pathway-ampk-giv-es-protection-against-metabolic-insults
#3
Pradipta Ghosh
Loss of cell polarity impairs organ development and function; it can also serve as one of the first triggers for oncogenesis. In 2006-2007 two groups simultaneously reported the existence of a special pathway for maintaining epithelial polarity in the face of environmental stressors. In this pathway, AMPK, a key sensor of metabolic stress stabilizes tight junctions, preserves cell polarity, and thereby, maintains epithelial barrier functions. Accumulating evidence since has shown that pharmacologic activation of AMPK by Metformin protects the epithelial barrier against multiple environmental and pathological stressful states and suppresses tumorigenesis...
February 15, 2017: Aging
https://www.readbyqxmd.com/read/28208942/comparing-the-effects-of-agnugol-and-metformin-on-oligomenorrhea-in-patients-with-polycystic-ovary-syndrome-a-randomized-clinical-trial
#4
Arezoo Shayan, Seyedeh Zahra Masoumi, Fatemeh Shobeiri, Shahin Tohidi, Arash Khalili
INTRODUCTION: Polycystic Ovarian Syndrome (PCOS) is the most common endocrinopathy and cause of oligomenorrhea in women. AIM: The present study was conducted with the aim to compare the effect of Agnugol and Metformin drugs on oligomenorrhea in patients with PCOS. MATERIALS AND METHODS: This study was a clinical trial on 120 women with PCOS and had oligomenorrhea, referring to a gynaecology clinic Fatemieh, Hamadan city, Iran, 2015. Women were randomly divided into 2 groups using permutation blocks (getting the medications Agnugol and Metformin) and were treated with drugs Agnugol and Metformin for 3 months...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208582/nutrients-in-energy-and-one-carbon-metabolism-learning-from-metformin-users
#5
REVIEW
Fedra Luciano-Mateo, Anna Hernández-Aguilera, Noemi Cabre, Jordi Camps, Salvador Fernández-Arroyo, Jose Lopez-Miranda, Javier A Menendez, Jorge Joven
Metabolic vulnerability is associated with age-related diseases and concomitant co-morbidities, which include obesity, diabetes, atherosclerosis and cancer. Most of the health problems we face today come from excessive intake of nutrients and drugs mimicking dietary effects and dietary restriction are the most successful manipulations targeting age-related pathways. Phenotypic heterogeneity and individual response to metabolic stressors are closely related food intake. Understanding the complexity of the relationship between dietary provision and metabolic consequences in the long term might provide clinical strategies to improve healthspan...
February 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28203479/metformin-impairs-spatial-memory-and-visual-acuity-in-old-male-mice
#6
Nopporn Thangthaeng, Margaret Rutledge, Jessica M Wong, Philip H Vann, Michael J Forster, Nathalie Sumien
Metformin is an oral anti-diabetic used as first-line therapy for type 2 diabetes. Because benefits of metformin extend beyond diabetes to other age-related pathology, and because its effect on gene expression profiles resembles that of caloric restriction, metformin has a potential as an anti-aging intervention and may soon be assessed as an intervention to extend healthspan. However, beneficial actions of metformin in the central nervous system have not been clearly established. The current study examined the effect of chronic oral metformin treatment on motor and cognitive function when initiated in young, middle-aged, or old male mice...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28202017/association-between-metformin-use-and-below-the-knee-arterial-calcification-score-in-type-2-diabetic-patients
#7
Aurélien Mary, Agnes Hartemann, Sophie Liabeuf, Carole Elodie Aubert, Salim Kemel, Joe Elie Salem, Philippe Cluzel, Aurélie Lenglet, Ziad A Massy, Jean-Daniel Lalau, Romuald Mentaverri, Olivier Bourron, Saïd Kamel
BACKGROUND: Vascular calcification (VC) is common in type 2 diabetes, and is associated with cardiovascular complications. Recent preclinical data suggest that metformin inhibits VC both in vitro and in animal models. However, metformin's effects in patients with diabetic VC have not previously been characterized. The present study investigated the association between metformin use and lower-limb arterial calcification in patients with type 2 diabetes and high cardiovascular risk. METHODS: The DIACART cross-sectional cohort study included 198 patients with type 2 diabetes but without severe chronic kidney disease...
February 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28199824/protective-effect-of-metformin-against-tuberculosis-infections-in-diabetic-patients-an-observational-study-of-south-indian-tertiary-healthcare-facility
#8
Marupuru Srujitha, Senapati Padmanav, P Swathi, M Sonal Sekhar, M K Unnikrishnan, K Manu Mohan
BACKGROUND: World Health Organization estimated that people with diabetes (DM) are at 2-3 times the higher risk for tuberculosis (TB). Studies have shown that DM not only increases the risk of active TB but, also puts co-affected person at increased risk of poor outcomes. OBJECTIVES: To determine the protective effect of metformin against TB in DM patients and also, to investigate the relationship between poor glycemic control and TB. METHODS: A case-control study was conducted over 8 months, where cases and controls were selected based on the inclusion and exclusion criteria of the study...
February 12, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28198702/epigenetic-clock-analysis-of-diet-exercise-education-and-lifestyle-factors
#9
Austin Quach, Morgan E Levine, Toshiko Tanaka, Ake T Lu, Brian H Chen, Luigi Ferrucci, Beate Ritz, Stefania Bandinelli, Marian L Neuhouser, Jeannette M Beasley, Linda Snetselaar, Robert B Wallace, Philip S Tsao, Devin Absher, Themistocles L Assimes, James D Stewart, Yun Li, Lifang Hou, Andrea A Baccarelli, Eric A Whitsel, Steve Horvath
Behavioral and lifestyle factors have been shown to relate to a number of health-related outcomes, yet there is a need for studies that examine their relationship to molecular aging rates. Toward this end, we use recent epigenetic biomarkers of age that have previously been shown to predict all-cause mortality, chronic conditions, and age-related functional decline. We analyze cross-sectional data from 4,173 postmenopausal female participants from the Women's Health Initiative, as well as 402 male and female participants from the Italian cohort study, Invecchiare nel Chianti...
February 14, 2017: Aging
https://www.readbyqxmd.com/read/28193233/tacrolimus-in-the-prevention-of-adverse-pregnancy-outcomes-and-diabetes-associated-embryopathies-in-obese-and-diabetic-mice
#10
Ahmad J H Albaghdadi, Melanie A Hewitt, Samantha M Putos, Michael Wells, Terence R S Ozolinš, Frederick W K Kan
BACKGROUND: T2DM is a high-risk pregnancy with adverse fetal and maternal outcomes including repeated miscarriages and fetal malformations. Despite the established association between placental insufficiency and poor maternal Th1-adaptability to the development of pregnancy complications in T2DM, there have been no established data to assess benefits of pre-pregnancy immunosuppression relative to gestational outcomes in T2DM. We hypothesized that pre-pregnancy macrolide immune suppression can re-establish normal placental development and uterine vascular adaptation in a mouse model of obesity-associated T2DM...
February 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28192606/metformin-alleviates-aging-cellular-phenotypes-in-hutchinson-gilford-progeria-syndrome-dermal-fibroblasts
#11
Seul-Ki Park, Ok Sarah Shin
Metformin is a popular antidiabetic biguanide, which has been considered as a candidate drug for cancer treatment and aging prevention. Hutchinson-Gilford progeria syndrome (HGPS) is a devastating disease characterized by premature aging and severe age-associated complications leading to death. The effects of metformin on HGPS dermal fibroblasts remain largely undefined. In this study, we investigated whether metformin could exert a beneficial effect on nuclear abnormalities and delay senescence in fibroblasts derived from HGPS patients...
February 13, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28190681/differential-effects-of-metformin-on-age-related-comorbidities-in-older-men-with-type-2-diabetes
#12
Chen-Pin Wang, Carlos Lorenzo, Samy L Habib, Booil Jo, Sara E Espinoza
AIMS: To identify distinct temporal likelihoods of age-related comorbidity (ARC) diagnoses: cardiovascular diseases (CVD), cancer, depression, dementia, and frailty-related diseases (FRD) in older men with type 2 diabetes (T2D) but ARC naïve initially, and assess the heterogeneous effects of metformin on ARCs and mortality. METHODS: We identified a clinical cohort of male veterans in the United States who were ≥65years old with T2D and free from ARCs during 2002-2003...
January 28, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28188977/lack-of-incremental-effect-of-histamine-receptor-antagonists-over-proton-pump-inhibitors-on-the-risk-of-neoplastic-progression-in-patients-with-barrett-s-esophagus-a-cohort-study
#13
Prashanthi N Thota, Kaveh Hajifathalian, Tanmayee Benjamin, Ashok Runkana, Rocio Lopez, Madhusudhan R Sanaka
AIMS: Long-term acid suppression lowers the risk of progression to esophageal adenocarcinoma (EAC) in patients with Barrett's esophagus (BE). With the recent reports about harmful effects of chronic proton pump inhibitor (PPI) use, there is renewed interest about alternative methods of acid suppression. Hence, our aim was to study the effect of H2 receptor antagonists (H2RA) on the risk of progression to neoplasia in our BE cohort. METHODS: This is a retrospective analysis of prospectively collected data of patients in our BE Registry from 2002 to 2015...
February 11, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28188168/metformin-associated-lactic-acidosis-treated-with-continuous-renal-replacement-therapy
#14
Akihide Nakamura, Kei Suzuki, Hiroshi Imai, Naoyuki Katayama
Metformin-associated lactic acidosis (MALA) is a rare but life-threatening complication. We report a case of MALA in a man aged 71 years who was treated with continuous renal replacement therapy (CRRT). The patient was brought to the hospital for prolonged and gradual worsening gastrointestinal symptoms. Although he received intravenous treatment, he developed catecholamine-resistant shock, and blood gas analysis revealed lactic acidosis. Bicarbonate and antibiotics for possible sepsis were initiated, but with no clear benefit...
February 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28182265/long-term-metformin-therapy-and-monitoring-for-vitamin-b12-deficiency-among-older-veterans
#15
Vijaya Kancherla, John L Elliott, Birju B Patel, N Wilson Holland, Theodore M Johnson, Anjali Khakharia, Lawrence S Phillips, Godfrey P Oakley, Camille P Vaughan
OBJECTIVE: To examine the association between long-term metformin therapy and serum vitamin B12 monitoring. DESIGN: Retrospective cohort study. SETTING: A single Veterans Affairs Medical Center (VAMC), 2002-2012. PARTICIPANTS: Veterans 50 years or older with either type 2 diabetes and long-term metformin therapy (n = 3,687) or without diabetes and no prescription for metformin (n = 13,258). MEASUREMENTS: We determined diabetes status from outpatient visits, and defined long-term metformin therapy as a prescription ≥500 mg/d for at least six consecutive months...
February 9, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28181993/bariatric-surgery-prior-to-index-screening-colonoscopy-is-associated-with-a-decreased-rate-of-colorectal-adenomas-in-obese-individuals
#16
Dmitriy Kedrin, Shaan-Chirag Chandrahas Gandhi, Molly Wolf, Jatin Roper, Omer Yilmaz, Kathleen Corey, Hamed Khalili, Fatima Cody Stanford, Manish Gala
OBJECTIVES: Obesity is an important risk factor for the development of colorectal cancer (CRC). Although the impact of bariatric surgery on CRC is conflicting, its impact on precursor lesions is unknown. The aim of this study was to determine whether bariatric surgery before index screening colonoscopy is associated with decreased development of colorectal adenomas. METHODS: We performed a retrospective cohort study of bariatric surgery patients who had undergone index, screening colonoscopy at an academic center from 2001 to 2014...
February 9, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28179448/the-igf-system-in-patients-with-type-2-diabetes-associations-with-markers-of-cardiovascular-target-organ-damage
#17
Rikke Hjortebjerg, Esben Laugesen, Pernille Høyem, Claus Oxvig, Brian Stausbøl-Grøn, Søren Tang Knudsen, Won Y Kim, Per Løgstrup Poulsen, Tk K Hansen, Mette Bjerre, Jan Frystyk
OBJECTIVE: Perturbations in the insulin-like growth factor (IGF) system may contribute to the accelerated cardiovascular disease (CVD) that occurs in patients with type 2 diabetes (T2D). However, it remains unknown whether the IGF system is also involved in the development of early, subclinical CVD. We characterised the IGF system in T2D patients and matched controls and examined associations with markers of subclinical target organ damage. METHODS: The study included 99 patients with recently diagnosed T2D and 99 age- and sex-matched controls...
February 8, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28177677/mtorc1-inhibitors-rapamycin-and-metformin-affect-cardiovascular-markers-differentially-in-zdf-rats
#18
Ravi Nistala, Ahmad Raja, Lakshmi Pulakat
Mammalian target for rapamycin complex 1 (mTORC1) is a common target for the action of immunosuppressant macrolide rapamycin and glucose lowering metformin. Inhibition of mTORC1 can exert both beneficial and detrimental effects in different pathologies. Here we investigated the differential effects of rapamycin (1.2mg/kg/day delivered subcutaneously for six weeks) and metformin (300mg/kg/day delivered orally for 11 weeks) treatments on male Zucker diabetic fatty (ZDF) rats that mimic the cardio-renal pathology of T2DM patients and progress to insulin insufficiency...
January 4, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28169131/association-of-dipeptidyl-peptidase-4-inhibitors-with-risk-of-metastases-in-patients-with-type-2-diabetes-and-breast-prostate-or-digestive-system-cancer
#19
Wolfgang Rathmann, Karel Kostev
AIMS: Experimental and animal studies have supported the hypothesis that dipeptidyl peptidase-4 inhibitors (DPP-4i) may accelerate tumor metastasis. The aim was to analyze the relationships between DPP-4i therapy with risk of metastases in type 2 diabetes patients with breast, prostate and digestive organ cancers. METHODS: Type 2 diabetes patients with first diagnoses of breast, prostate or digestive organ cancer were selected in general and internal medicine practices (Disease Analyzer Germany: 01/2008-12/2014)...
January 26, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28166431/change-of-hba1c-associated-with-treatment-intensification-among-patients-with-type-2-diabetes-and-poor-glycemic-control
#20
Alex Z Fu, John J Sheehan
OBJECTIVE: We conducted a retrospective cohort study to investigate the HbA1c change associated with treatment intensification in a real-world population of patients with type 2 diabetes (T2D). METHODS: Using a large U.S. insurance claims database, patients aged ≥18 years with a T2D diagnosis and HbA1c ≥8.0% (64 mmol/mol) after ≥3 months of oral pharmacotherapy with metformin (± other oral antidiabetes agents) were identified (index date). Continuous enrollment was required for ≥12 months before (baseline) and after the index date with no baseline use of injectable antidiabetes drugs...
February 6, 2017: Current Medical Research and Opinion
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