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https://www.readbyqxmd.com/read/27920093/metformin-reduces-glycometabolism-of-papillary-thyroid-carcinoma-in-vitro-and-in-vivo
#1
Chen-Tian Shen, Wei-Jun Wei, Zhong-Ling Qiu, Hong-Jun Song, Xin-Yun Zhang, Zhen-Kui Sun, Quan-Yong Luo
More aggressive thyroid cancer cells show a higher activity of glycometabolism. Targeting cancer cell metabolism has emerged as a novel approach to prevent or treat malignant tumors. Glucose metabolism regulation effect of metformin in papillary thyroid cancer was investigated in the current study. Human papillary thyroid carcinoma (PTC) cell lines BCPAP and KTC1 were used. Cell viability was detected by CCK8 assay. Glucose uptake and relative gene expression were measured in metformin (0-10 mM for 48 h)-treated cells by (18)F-FDG uptake assay and western blotting analysis, respectively...
January 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/27919208/is-metformin-a-therapeutic-paradigm-for-colorectal-cancer-insight-into-the-molecular-pathway
#2
Zar Chii Thent, Nurul Hannim Zaidun, Fairuz Azmi, Mu Izuddin Senin, Haszianaliza Haslan, Ahmad Ruzain Salehuddin
Colorectal cancer (CRC) remains one of the major leading causes of cancer related morbidity and mortality. Apart from the conventional anti-neoplastic agents, metformin, a biguanide anti-diabetic agent, has recently found to have anti-cancer property. Several studies observed the effect of metformin towards its anti-cancer effect on colon or colorectal cancer in diabetic patients. However, only a few studies showed its effect on colorectal cancer in relation to the non-diabetic status. The present review aimed to highlight the insight into the molecular pathway of metformin towards colorectal cancer in the absence of diabetes mellitus...
December 5, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27909794/prescription-of-oral-antidiabetic-drugs-in-tyrol-data-from-the-tyrol-diabetes-registry-2012-2015
#3
Lukas Lunger, Andreas Melmer, Willi Oberaigner, Marco Leo, Martin Juchum, Karin Pölzl, Johannes Gänzer, Martha Innerebner, Egon Eisendle, Gertrud Beck, Hermann Kathrein, Bernhard Heindl, Hans Robert Schönherr, Monika Lechleitner, Herbert Tilg, Christoph Ebenbichler
Diabetes mellitus affects 9% of the adult population worldwide and the economic burden of the disease is growing exponentially. In type 2 diabetes mellitus (T2DM), when life style interventions fail to achieve treatment targets, oral antidiabetic drugs are prescribed to improve glycemic control. Several new oral antidiabetics have been launched in the last few years, which enlarged the spectrum of available treatment options in T2DM. The present study aimed to examine T2DM treatment patterns in a cohort of 7769 patients recruited from the Diabetes Registry Tyrol (DRT) with at least one visit from 2012-2015...
December 1, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27904682/targeting-cancer-cell-metabolism-the-combination-of-metformin-and-2-deoxyglucose-regulates-apoptosis-in-ovarian-cancer-cells-via-p38-mapk-jnk-signaling-pathway
#4
Jie Zhu, Ya Zheng, Haiyan Zhang, Hong Sun
Targeting cancer cell metabolism is a new promising strategy to fight cancer. Metformin, a first-line treatment for type 2 diabetes mellitus, exerts anti-cancer and anti-proliferative action. 2-deoxyglucose (2-DG), a glucose analog, works as a competitive inhibitor of glycolysis. In this study, we show for the first time that metformin in combination with 2-DG inhibited growth, migration, invasion and induced cell cycle arrest of ovarian cancer cells in vitro. Moreover, metformin and 2-DG could efficiently induce apoptosis in ovarian cancer cells, which was achieved by activating p38 MAPK and JNK pathways...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903154/type-2-diabetes-mellitus-and-cancer-the-role-of-pharmacotherapy
#5
Gadi Shlomai, Brian Neel, Derek LeRoith, Emily Jane Gallagher
Purpose Type 2 diabetes mellitus (T2DM) is becoming increasingly prevalent worldwide. Epidemiologic data suggest that T2DM is associated with an increased incidence and mortality from many cancers. The purpose of this review is to discuss the links between diabetes and cancer, the effects of various antidiabetic medications on cancer incidence and mortality, and the effects of anticancer therapies on diabetes. Design This study is a review of preclinical and clinical data regarding the effects of antidiabetic medications on cancer incidence and mortality and the effects of anticancer therapies on glucose homeostasis...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27903152/obesity-and-cancer-mechanisms-cancer-metabolism
#6
Benjamin D Hopkins, Marcus D Goncalves, Lewis C Cantley
Obesity is a risk factor for cancer development and is associated with poor prognosis in multiple tumor types. The positive energy balance linked with obesity induces a variety of systemic changes including altered levels of insulin, insulin-like growth factor-1, leptin, adiponectin, steroid hormones, and cytokines. Each of these factors alters the nutritional milieu and has the potential to create an environment that favors tumor initiation and progression. Although the complete ramifications of obesity as it relates to cancer are still unclear, there is convincing evidence that reducing the magnitude of the systemic hormonal and inflammatory changes has significant clinical benefits...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27903149/obesity-and-breast-cancer-prognosis-evidence-challenges-and-opportunities
#7
Sao Jiralerspong, Pamela J Goodwin
Purpose To summarize the evidence of an association between obesity and breast cancer prognosis. Methods We reviewed the literature regarding overweight and obesity and breast cancer survival outcomes, overall and with regard to breast cancer subtypes, breast cancer therapies, biologic mechanisms, and possible interventions. We summarize our findings and provide clinical management recommendations. Results Obesity is associated with a 35% to 40% increased risk of breast cancer recurrence and death and therefore poorer survival outcomes...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27866938/ovulation-induction-in-polycystic-ovary-syndrome-current-options
#8
REVIEW
Richard S Legro
There are a variety of effective treatment options to induce ovulation in women with polycystic ovary syndrome (PCOS). The most effective treatments are primarily reproductive and target the hypothalamic-pituitary-ovarian (HPO) axis. Letrozole, an aromatase inhibitor, is headed toward replacing clomiphene, a selective estrogen receptor modulator, as the first-choice option. Metabolic treatments likely work indirectly through the HPO axis. Many metabolic treatments have shown initial promise and later failed (troglitozone or d-chiro-inositol) or disappointed (metformin); further studies are needed of newer agents to treat type 2 diabetes...
September 21, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27857021/effects-and-mechanisms-of-metformin-on-the-proliferation-of-esophageal-cancer-cells-in-vitro-and-in-vivo
#9
Jian-Cai Tang, Rui An, Yi-Qing Jiang, Jian Yang
Purpose: To observe the effects of metformin on human esophageal cancer cell, and to investigate its possible mechanisms. Materials and Methods: Cell viability was detected by using a cell counting kit-8(CCK-8), while cell cycle and apoptosis were assessed by flow cytometry and western blot was used to measure the expression of the related proteins. RNAi was used to knockout pyruvate kinase muscle isozyme 2 (PKM2). An Eca109 tumor model was established to evaluate the antitumor effect in vivo...
November 11, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/27825799/combination-of-2-deoxy-d-glucose-and-metformin-for-synergistic-inhibition-of-non-small-cell-lung-cancer-a-reactive-oxygen-species-and-p-p38-mediated-mechanism
#10
Xiao-Bin Hou, Ting-Hui Li, Zhi-Peng Ren, Yang Liu
Targeting metabolism of lung cancer cells is a promising methodology for the treatment of lung cancer. In this regard, 2-Deoxy d-glucose (2-dDG) has been reported to inhibit cell proliferation by intervening the glycolytic pathway. However, phase I clinical trial of 2-dDG demonstrated cardiac side effects at higher dosage. Metformin (Met), on the other hand, has been reported to improve pathological response to chemotherapy in non-small cell lung cancer (NSCLC) patients. In this study, we propose that combination therapy of 2-dDG with Met will demonstrate enhanced cytotoxicity than either compound alone...
November 5, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27819155/drugs-for-the-treatment-of-pediatric-type-2-diabetes-mellitus-and-related-co-morbidities
#11
Ozra Tabatabaei-Malazy, Shekoufeh Nikfar, Bagher Larijani, Mohammad Abdollahi
The continuing global epidemic of obesity in adolescents has raised the prevalence of type 2 diabetes mellitus (T2DM). Despite the wealth of information concerning T2DM in adults, rare data are available targeting treatment of T2DM in pediatric. Areas covered: This article has reviewed clinical practice guidelines, particularly the American Diabetes Association and the Pediatric Endocrine Society consensus, jointly with clinical trial data available in databases with respect to the use of available pharmacological options to treat T2DM and its complications in youth...
November 21, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27816544/low-health-literacy-flashcards-mobile-video-reinforcement-to-improve-medication-adherence-in-patients-on-oral-diabetes-heart-failure-and-hypertension-medications
#12
Denise L Yeung, Kristin S Alvarez, Marissa E Quinones, Christopher A Clark, George H Oliver, Carlos A Alvarez, Adeola O Jaiyeola
OBJECTIVE: To design and investigate a pharmacist-run intervention using low health literacy flashcards and a smartphone-activated quick response (QR) barcoded educational flashcard video to increase medication adherence and disease state understanding. DESIGN: Prospective, matched, quasi-experimental design. SETTING: County health system in Dallas, Texas. PARTICIPANTS: Sixty-eight primary care patients prescribed targeted heart failure, hypertension, and diabetes medications INTERVENTION: Low health literacy medication and disease specific flashcards, which were also available as QR-coded online videos, were designed for the intervention patients...
November 2, 2016: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/27812983/ampk-as-a-pro-longevity-target
#13
Kristopher Burkewitz, Heather J M Weir, William B Mair
Chronic, age-associated diseases are already among the leading causes of morbidity and death in the world, a problem exacerbated by the rapidly rising proportion of elderly in the global population. This emergent epidemic represents the next great challenge for biomedical science and public health. Fortunately, decades of studies into the biology of aging have provided a head start by revealing an evolutionarily conserved network of genes that controls the rate and quality of the aging process itself and which can thereby be targeted for protection against age-onset disease...
2016: EXS
https://www.readbyqxmd.com/read/27805009/metformin-uniquely-prevents-thrombosis-by-inhibiting-platelet-activation-and-mtdna-release
#14
Guang Xin, Zeliang Wei, Chengjie Ji, Huajie Zheng, Jun Gu, Limei Ma, Wenfang Huang, Susan L Morris-Natschke, Jwu-Lai Yeh, Rui Zhang, Chaoyi Qin, Li Wen, Zhihua Xing, Yu Cao, Qing Xia, Yanrong Lu, Ke Li, Hai Niu, Kuo-Hsiung Lee, Wen Huang
Thrombosis and its complications are the leading cause of death in patients with diabetes. Metformin, a first-line therapy for type 2 diabetes, is the only drug demonstrated to reduce cardiovascular complications in diabetic patients. However, whether metformin can effectively prevent thrombosis and its potential mechanism of action is unknown. Here we show, metformin prevents both venous and arterial thrombosis with no significant prolonged bleeding time by inhibiting platelet activation and extracellular mitochondrial DNA (mtDNA) release...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27792453/metformin-targets-histone-acetylation-in-cancer-prone-epithelial-cells
#15
Elisabet Cuyàs, Salvador Fernández-Arroyo, Jorge Joven, Javier A Menendez
The usage of metabolic intermediates as substrates for chromatin-modifying enzymes provides a direct link between the metabolic state of the cell and epigenetics. Because this metabolism-epigenetics axis can regulate not only normal but also diseased states, it is reasonable to suggest that manipulating the epigenome via metabolic interventions may improve the clinical manifestation of age-related diseases including cancer. Using a model of BRCA1 haploinsufficiency-driven accelerated geroncogenesis, we recently tested the hypothesis that: 1...
October 28, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27779715/mir-27a-mediated-antiproliferative-effects-of-metformin-on-the-breast-cancer-cell-line-mcf-7
#16
Wei Zhao, Xiaohui Zhang, Jia Liu, Bei Sun, Hua Tang, Hong Zhang
Metformin was demonstrated to have effects on breast cancer, and microRNA-27a (miR-27a) is a prognostic marker for breast cancer progression and patient survival. AMPKα2 was found to be a suppressor in breast cancer MCF-7 cells. Therefore, the present study aimed to explain this phenomenon in regards to the relationship between microRNAs (miRNAs) and their target genes and to predict how AMPKα2 may be a downstream target gene of miR-27a, thus exploring the new mechanism of metformin in the treatment of breast cancer regarding miRNAs...
October 24, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27770888/carnauba-wax-as-a-promising-excipient-in-melt-granulation-targeting-the-preparation-of-mini-tablets-for-sustained-release-of-highly-soluble-drugs
#17
Viviane Nart, André O'Reilly Beringhs, Maria Terezinha França, Brenda de Espíndola, Bianca Ramos Pezzini, Hellen Karine Stulzer
Mini-tablets are a new tendency in solid dosage form design for overcoming therapeutic obstacles such as impaired swallowing and polypharmacy therapy. Among their advantages, these systems offer therapeutic benefits such as dose flexibility and combined drug release patterns. The use of lipids in the formulation has also drawn considerable interest as means to modify the drug release from the dosage form. Therefore, this paper aimed at developing sustained release mini-tablets containing the highly soluble drugs captopril and metformin hydrochloride...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27765848/mitochondrial-targeting-of-metformin-enhances-its-activity-against-pancreatic-cancer
#18
Stepana Boukalova, Jan Stursa, Lukas Werner, Zuzana Ezrova, Jiri Cerny, Ayenachew Bezawork-Geleta, Alena Pecinova, Lanfeng Dong, Zdenek Drahota, Jiri Neuzil
Pancreatic cancer is one of the hardest-to-treat types of neoplastic diseases. Metformin, a widely prescribed drug against type 2 diabetes mellitus, is being trialed as an agent against pancreatic cancer, although its efficacy is low. With the idea of delivering metformin to its molecular target, the mitochondrial complex I (CI), we tagged the agent with the mitochondrial vector, triphenylphosphonium group. Mitochondrially targeted metformin (MitoMet) was found to kill a panel of pancreatic cancer cells three to four orders of magnitude more efficiently than found for the parental compound...
December 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27762514/a-prospective-analysis-of-the-efficacy-and-safety-of-sodium-glucose-cotransporter-2-inhibitors-real-world-evidence-from-clinical-practice-in-india
#19
Bhavana Sosale, Aravind R Sosale, Prassanna M Kumar, Shashank R Joshi
BACKGROUND AND AIM: The number of patients with type 2 diabetes (T2DM) is increasing. Most patients with T2DM are uncontrolled and fail to achieve their target Hba1c. In recent years, newer agents such as SGLT2 inhibitors (SGLT2i) have been approved for clinical use. Though data from clinical trials and sub set analysis of Indian patients in global studies are promising, real world evidence from standard clinical practice in India is lacking. The aim of this study was to analyze the metabolic parameters in patients with T2DM on SGLT2i in real world clinical practice...
September 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27761903/the-role-of-perivascular-adipose-tissue-in-obesity-induced-vascular-dysfunction
#20
Ning Xia, Huige Li
Under physiological conditions, perivascular adipose tissue (PVAT) attenuates agonist-induced vasoconstriction by releasing vasoactive molecules including hydrogen peroxide, angiotensin 1-7, adiponectin, methyl palmitate, hydrogen sulfide, nitric oxide (NO) and leptin. This anticontractile function of PVAT is lost under conditions of obesity. The central mechanism underlying PVAT dysfunction in obesity is likely to be an "obesity triad" (consisting of PVAT hypoxia, inflammation and oxidative stress) that leads to dysregulation of PVAT-derived vasoregulators...
October 20, 2016: British Journal of Pharmacology
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