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https://www.readbyqxmd.com/read/27904044/investigation-of-risk-factors-affecting-lactate-levels-in-japanese-patients-treated-with-metformin
#1
Shota Yokoyama, Hideyuki Tsuji, Sachiko Hiraoka, Masayuki Nishihara
Metformin is a biguanaide antidiabetic drug used worldwide, and its effectiveness and benefits have already been established. However, the safety of high doses of metformin in Japanese patients, especially in elderly patients with a decreased renal function, remains unclear. Among the side effects of metformin, lactate acidosis is the most problematic due to a high mortality rate. Therefore, we assessed plasma lactate levels in metformin-treated patients to identify independent risk factors for hyperlactemia...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27846769/effect-of-cichorium-intybus-l-seed-extract-on-renal-parameters-in-experimentally-induced-early-and-late-diabetes-type-2-in-rats
#2
Yasin Pourfarjam, Lotfollah Rezagholizadeh, Azin Nowrouzi, Alipasha Meysamie, Sarah Ghaseminejad, Nasrin Ziamajidi, Davood Norouzi
Blood and urine biochemistry screening tests are important for initial detection of diabetes, determination of severity of its complications, and monitoring of therapy. We evaluated the effects of aqueous chicory seed extract (CSE), on renal biochemical parameters, histology, and Na+/glucose cotansporters, SGLT1 and SGLT2 expression levels using metformin, and aspirin as controls. Late stage type 2 diabetes (LT2D; FBS, >300 mg/dl) and early stage type 2 diabetes (ET2D; FBS, 140-220 mg/dl) were induced in rats by streptozotocin (STZ group) and a combination of STZ and niacinamide (NIA/STZ group), respectively...
November 16, 2016: Renal Failure
https://www.readbyqxmd.com/read/27827311/comparative-effectiveness-of-second-line-agents-for-the-treatment-of-diabetes-type-2-in-preventing-kidney-function-decline
#3
Adriana M Hung, Christianne L Roumie, Robert A Greevy, Carlos G Grijalva, Xulei Liu, Harvey J Murff, T Alp Ikizler, Marie R Griffin
BACKGROUND AND OBJECTIVES: Diabetes is the leading cause of ESRD. Glucose control improves kidney outcomes. Most patients eventually require treatment intensification with second-line medications; however, the differential effects of those therapies on kidney function are unknown. DESIGN, SETTING, PARTICIPANTS & MEASUREMENTS: We studied a retrospective cohort of veterans on metformin monotherapy from 2001 to 2008 who added either insulin or sulfonylurea and were followed through September of 2011...
November 8, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27817253/multidrug-and-toxin-extrusion-protein-1-mediated-interaction-of-metformin-and-scutellariae-radix-in-rats
#4
Sreymom Yim, Byoung Hoon You, Hee-Sung Chae, Young-Won Chin, Hojun Kim, Han Seok Choi, Young Hee Choi
The metformin and Scutellariae Radix extract (SB) combination has been previously reported to enhance anti-diabetic activity. Considering that organic cation transporters (OCTs) and multi-drug and toxin extrusion proteins (MATEs) in the liver and kidney are determinant factors on hepatic distribution and renal clearance of metformin, the effects of SB on OCT or MATE-mediated systemic exposure of metformin as well as on glucose tolerance and hypoglycemia were examined. Although SB inhibited metformin uptake through human transporters OCT1 and MATE1 in vitro, the systemic exposures of metformin in vivo rats were not altered after metformin treatment with and without SB due to unchanged renal excretion of metformin...
November 7, 2016: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/27796024/-the-use-of-drugs-in-chronic-renal-insufficiency-primum-non-nocere-first-do-not-harm-the-paradigmatic-cases-of-azathioprine-metformin-and-denosumab
#5
Francesco Locatelli, Lucia Del Vecchio, Vincenzo La Milia
Renal function reduction rises difficulties in dealing with many drugs. These problems are mainly due to the need of decreasing progressively the doses of the drugs that are cleared by the kidneys, in parallel with the progressive reduction in renal function. The degree of renal impairment should be better measured as the estimated glomerular filtration rate, avoiding to simply rely on plasma creatinine. Physicians should also be aware of the important potential side effects of some very effective and safe drugs, when they are used in patients with relevant reduction in renal function, independently of their possible plasma accumulation...
September 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/27782167/renoprotective-effects-of-metformin-are-independent-of-organic-cation-transporters-1-2-and-amp-activated-protein-kinase-in-the-kidney
#6
Michael Christensen, Jonas B Jensen, Steen Jakobsen, Niels Jessen, Jørgen Frøkiær, Bruce E Kemp, Allison L Marciszyn, Hui Li, Núria M Pastor-Soler, Kenneth R Hallows, Rikke Nørregaard
The type-2 diabetes drug metformin has proven to have protective effects in several renal disease models. Here, we investigated the protective effects in a 3-day unilateral ureteral obstruction (3dUUO) mouse model. Compared with controls, ureteral obstructed animals displayed increased tubular damage and inflammation. Metformin treatment attenuated inflammation, increased the anti-oxidative response and decreased tubular damage. Hepatic metformin uptake depends on the expression of organic cation transporters (OCTs)...
October 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27781075/metformin-prevents-renal-stone-formation-through-an-antioxidant-mechanism-in-vitro-and-in-vivo
#7
Xiong Yang, Hao Ding, Zhenbang Qin, Changwen Zhang, Shiyong Qi, Hongtuan Zhang, Tong Yang, Zhen He, Kuo Yang, E Du, Chunyu Liu, Yong Xu, Zhihong Zhang
Oxidative stress is a causal factor and key promoter of urolithiasis associated with renal tubular epithelium cell injury. The present study was designed to investigate the preventive effects of metformin on renal tubular cell injury induced by oxalate and stone formation in a hyperoxaluric rat model. MTT assays were carried out to determine the protection of metformin from oxalate-induced cytotoxicity. The intracellular superoxide dismutase (SOD) activities and malondialdehyde (MDA) levels were measured in vitro...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27773844/a-murine-model-of-type-2-diabetes-mellitus-developed-using-a-combination-of-high-fat-diet-and-multiple-low-doses-of-streptozotocin-treatment-mimics-the-metabolic-characteristics-of-type-2-diabetes-mellitus-in-humans
#8
Sayantan Nath, Sankar Kumar Ghosh, Yashmin Choudhury
INTRODUCTION: A murine model of type 2 diabetes mellitus was used to compare the antidiabetic effects of the dipeptidyl peptidase-4 (DPP4) inhibitor vildagliptin and biguanide, metformin. METHODS: Swiss albino mice (n=20 males; n=25 females) were given high fat diet (HFD) ad libitum for 3weeks followed by low dose (40mgkg(-1) body weight, bw daily) of streptozotocin (STZ) intraperitoneally five times from the 22nd day of treatment onwards, with HFD continued up to 26th day...
October 20, 2016: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27760420/risks-of-metformin-in-type-2-diabetes-and-chronic-kidney-disease-lessons-learned-from-taiwanese-data
#9
Connie M Rhee, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
Like other biguanide agents, metformin is an anti-hyperglycemic agent with lower tendency towards hypoglycemia compared to other anti-diabetic drugs. Given its favorable effects on serum lipids, obese body habitus, cardiovascular disease, and mortality, metformin is recommended as the first-line pharmacologic agent for type 2 diabetes in the absence of contraindications. However, as metformin accumulation may lead to type B non-hypoxemic lactic acidosis, especially in the setting of kidney injury, chronic kidney disease, and overdose, regulatory agencies such as the United States Food and Drug Administration (FDA) have maintained certain restrictions regarding its use in kidney dysfunction...
October 20, 2016: Nephron
https://www.readbyqxmd.com/read/27741557/accumulation-of-methylglyoxal-and-d-lactate-in-pb-induced-nephrotoxicity-in-rats
#10
Yu-Shen Huang, Yi-Chieh Li, Pei-Yun Tsai, Chia-En Lin, Chien-Ming Chen, Shih-Ming Chen, Jen-Ai Lee
Lead (Pb) is an environmental pollutant associated with several diseases, such as nephrotoxicity. Methylglyoxal (MG) is a reactive dicarbonyl compound formed during glycolysis and reported to increase in kidney damage. Metformin is used as a MG scavenger in the clinic. In this study, we investigated the mechanism of Pb-induced renal injury and the effect of metformin on Pb-induced nephrotoxicity. Eighteen Wistar rats were randomly divided into three groups: control, Pb, and Pb + metformin groups. Pb (250 ppm) was administered in drinking water, and 50 mg/Kg of metformin was co-administered orally...
October 14, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27710244/the-diagnosis-and-management-of-lipodystrophy-syndromes-a-multi-society-practice-guideline
#11
Rebecca J Brown, David Araujo-Vilar, Pik To Cheung, David Dunger, Abhimanyu Garg, Michelle Jack, Lucy Mungai, Elif A Oral, Nivedita Patni, Kristina Rother, Julia von Schnurbein, Ekaterina Sorkina, Takara Stanley, Corinne Vigouroux, Martin Wabitsch, Rachel Williams, Tohru Yorifuji
OBJECTIVE: Lipodystrophy syndromes are extremely rare disorders of deficient body fat associated with potentially serious metabolic complications, including diabetes, hypertriglyceridemia, and steatohepatitis. Due to their rarity, most clinicians are not familiar with their diagnosis and management. This practice guideline summarizes diagnosis and management of lipodystrophy syndromes not associated with HIV or injectable drugs. PARTICIPANTS: Seventeen participants were nominated by worldwide endocrine societies or selected by the committee as content experts...
October 6, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27701140/leaves-of-cordia-boissieri-a-dc-as-a-potential-source-of-bioactive-secondary-metabolites-for-protection-against-metabolic-syndrome-induced-in-rats
#12
Asmaa I Owis, Amira M Abo-Youssef, Ahmed H Osman
Cordia boissieri A. DC. (Boraginaceae) is traditionally used as an herbal remedy for diabetes by Hispanic women in Southwestern USA. A recent investigation showed the significant protective effect of ethyl acetate extract against metabolic syndrome (MS). However, the corresponding active principles responsible for this effect and relations between their structure and biological actions remain unclear. Thus, ethyl acetate extract was subjected to column chromatography, which yielded seven compounds identified on the basis of spectroscopic data as rutin, hesperidin, kaempferol-3-O-β-d-glucopyranoside, rosmarinic acid, β-sitosterol-3-O-β-d-glucopyranoside, quercetin, and kaempferol...
October 4, 2016: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/27690331/could-metformin-be-used-in-patients-with-diabetes-and-advanced-chronic-kidney-disease
#13
REVIEW
Tahseen A Chowdhury, Danushan Srirathan, Georgi Abraham, Elizabeth L Oei, Stanley L Fan, Kieran McCafferty, M Magdi Yaqoob
Diabetes is an important cause of end stage renal failure worldwide. As renal impairment progresses, managing hyperglycaemia can prove increasingly challenging, as many medications are contra-indicated in moderate to severe renal impairment. Whilst evidence for tight glycaemic control reducing progression to renal failure in patients with established renal disease is limited, poor glycaemic control is not desirable, and is likely to lead to progressive complications. Metformin is a first-line therapy in patients with Type 2 diabetes, as it appears to be effective in reducing diabetes related end points and mortality in overweight patients...
September 30, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27678041/medication-use-and-survival-in-diabetic-patients-with-kidney-cancer-a-population-based-cohort-study
#14
Madhur Nayan, Erin M Macdonald, David N Juurlink, Peter C Austin, Antonio Finelli, Girish S Kulkarni, Robert J Hamilton
Survival rates in kidney cancer have improved little over time, and diabetes may be an independent risk factor for poor survival in kidney cancer. We sought to determine whether medications with putative anti-neoplastic properties (statins, metformin and non-steroidal anti-inflammatory drugs (NSAIDs)) are associated with survival in diabetics with kidney cancer. We conducted a population-based cohort study utilizing linked healthcare databases in Ontario, Canada. Patients were aged 66 or older with newly diagnosed diabetes and a subsequent diagnosis of incident kidney cancer...
September 24, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27662517/metoprolol-decreases-the-plasma-exposure-of-metformin-via-the-induction-of-liver-kidney-and-muscle-uptake-in-rats
#15
Yan-Rong Ma, A-Xi Shi, Hong-Yan Qin, Tiffany Zhang, Yan-Fang Wu, Guo-Qiang Zhang, Xin-An Wu
Drug interactions are one of the commonest causes of side effects, particularly in long-term therapy. The aim of the current study was to investigate the possible effects of metoprolol on the pharmacokinetics of metformin in rats and to clarify the mechanism of drug interaction. In this study, rats were treated with metformin alone or in combination with metoprolol. Plasma, urine and tissue concentrations of metformin were determined by HPLC. Western blotting and real-time qPCR were used to evaluate the expression of rOCTs and rMATE1...
December 2016: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/27649712/-sodium-glucose-cotransporter-2-sglt-2-inhibitors-for-patients-with-type-2-diabetes
#16
Michael Einar Røder, Heidi Storgaard, Jørgen Rungby, Filip Krag Knop, Tina Vilsbøll
The sodium-glucose cotransporter 2 inhibitor (SGLT-2i)-class is efficacious as monotherapy and as add-on therapy with an expected lowering of the glycated haemoglobin (HbA1c) concentration of approximately 7 mmol/mol. Side effects relate to the mode of action, genital infections are the main problem. Extremely rare cases of ketoacidosis are reported, mostly in patients with Type 1 diabetes. One SGLT-2i, empagliflozin, has been shown to reduce cardiovascular mortality and progression of kidney disease in patients with Type 2 diabetes and cardiovascular disease...
September 19, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27627216/nephroprotective-effects-of-metformin-in-diabetic-nephropathy
#17
Sreenithya Ravindran, Vinitha Kuruvilla, Kerry Wilbur, Shankar Munusamy
Metformin, a well-known anti-diabetic agent, is very effective in lowering blood glucose in patients with type 2 diabetes with minimal side-effects. Metformin is also being recommended in the treatment of obesity and polycystic ovary syndrome. Metformin elicits its therapeutic effects mainly via activation of AMP-activated kinase (AMPK) pathway. Renal cells under hyperglycemic or proteinuric conditions exhibit inactivation of cell defense mechanisms such as AMPK and autophagy, and activation of pathologic pathways such as mammalian target of rapamycin (mTOR), endoplasmic reticulum (ER) stress, epithelial-to-mesenchymal transition (EMT), oxidative stress, and hypoxia...
September 14, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27592119/diabetic-ketosis-during-hyperglycemic-crisis-is-associated-with-decreased-all-cause-mortality-in-patients-with-type-2-diabetes-mellitus
#18
Ivan Kruljac, Miroslav Ćaćić, Petra Ćaćić, Vedran Ostojić, Mario Štefanović, Aljoša Šikić, Milan Vrkljan
Patients with type 2 diabetes mellitus have impaired ketogenesis due to high serum insulin and low growth hormone levels. Evidence exists that ketone bodies might improve kidney and cardiac function. In theory, improved ketogenesis in diabetics may have positive effects. We aimed to assess the impact of diabetic ketosis on all-cause mortality in patients with type 2 diabetes mellitus presenting with hyperglycemic crisis. We analyzed 486 patients with diabetic ketosis and 486 age and sex-matched patients with non-ketotic hyperglycemia presenting to the emergency department...
September 3, 2016: Endocrine
https://www.readbyqxmd.com/read/27579542/metformin-nonglycemic-effects-and-potential-novel-indications
#19
Abeer Anabtawi, John M Miles
OBJECTIVE: Metformin is the most commonly prescribed drug for the treatment of type 2 diabetes because of its apparent robust effects in reducing cardiovascular risk. This review examines the current literature regarding the nonglycemic effects and potential novel indications for metformin. METHODS: Review of the literature, with a focus on metformin use in Stage 3 chronic kidney disease (CKD-3) and heart failure (HF). RESULTS: The United Kingdom Prospective Diabetes Study suggests that metformin reduces the risk of myocardial infarction, and more recent retrospective studies have shown an association between metformin use and a reduction in stroke, atrial fibrillation and all-cause mortality...
August 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27551311/comparative-anti-inflammatory-and-lipid-normalizing-effects-of-metformin-and-omega-3-fatty-acids-through-modulation-of-transcription-factors-in-diabetic-rats
#20
Abhijit Ghadge, Abhay Harsulkar, Manjiri Karandikar, Vijaya Pandit, Aniket Kuvalekar
BACKGROUND: Emerging evidence suggests beneficial effects of omega-3 fatty acids on diabetic complications. The present study compared the progressive effects of metformin and flax/fish oil on lipid metabolism, inflammatory markers, and liver and renal function test markers in streptozotocin-nicotinamide-induced diabetic rats. METHODS: Streptozotocin-induced diabetic rats were randomized into control and four diabetic groups: streptozotocin (STZ), metformin (200 mg/kg body weight (b...
2016: Genes & Nutrition
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