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Metformin lung disease

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https://www.readbyqxmd.com/read/28801373/metformin-and-melatonin-in-adrenocortical-carcinoma-morphoproteomics-and-biomedical-analytics-provide-proof-of-concept-in-a-case-study
#1
Robert E Brown, Jamie Buryanek, Mary F McGuire
Metformin has been proposed as a novel anti-cancer drug for adrenocortical carcinoma (ACC) based upon Poli's recent preclinical studies that 1. "in vitro" metformin modulates the ACC cell model H295R and 2. "in vivo" metformin inhibits tumor growth in a xenograft model as confirmed by a significant reduction of Ki67 [1]. Here we report on our prior clinical case study that provides proof of concept for Poli's studies. We were requested to perform morphoproteomic analysis to further define the biology of, and raise targeted therapeutic options, for a case of post-treatment and chemoresistant ACC metastatic to the liver and the lung...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28761738/results-of-the-safety-run-in-part-of-the-metal-metformin-in-advanced-lung-cancer-study-a-multicentre-open-label-phase-i-ii-study-of-metformin-with-erlotinib-in-second-line-therapy-of-patients-with-stage-iv-non-small-cell-lung-cancer
#2
Floriana Morgillo, Morena Fasano, Carminia Maria Della Corte, Ferdinando Carlo Sasso, Federica Papaccio, Giuseppe Viscardi, Giovanna Esposito, Raimondo Di Liello, Nicola Normanno, Annalisa Capuano, Liberato Berrino, Giovanni Vicidomini, Alfonso Fiorelli, Mario Santini, Fortunato Ciardiello
PURPOSE: Our previous works demonstrated the ability of metformin to revert resistance to gefitinib, a selective epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, in non-small-cell lung cancer (NSCLC) EGFR/LKB1 wild-type (WT) cell lines. However, the optimal dose of metformin to be used in non-diabetic patients still remains to be defined. The phase I-II trial METformin in Advanced Lung cancer (METAL) was designed to identify the maximum tolerated dose and to evaluate safety and activity of metformin combined with erlotinib in second-line treatment of patients with stage IV NSCLC, whose tumours harbour the WT EGFR gene...
2017: ESMO Open
https://www.readbyqxmd.com/read/28669771/antidiabetic-antioxidant-and-anti-inflammatory-properties-of-water-and-n-butanol-soluble-extracts-from-saharian-anvillea-radiata-in-high-fat-diet-fed-mice
#3
Chouaib Kandouli, Mathieu Cassien, Anne Mercier, Caroline Delehedde, Emilie Ricquebourg, Pierre Stocker, Mourad Mekaouche, Zineb Leulmi, Aicha Mechakra, Sophie Thétiot-Laurent, Marcel Culcasi, Sylvia Pietri
ETHNOPHARMACOLOGICAL RELEVANCE: According to Saharian traditional medicine, Anvillea radiata Coss. & Dur. (Asteraceae) has been valued for treating a variety of ailments such as gastro-intestinal, liver and pulmonary diseases, and has gained awareness for its beneficial effect on postprandial hyperglycemia. However, to best of our knowledge, no detailed study of the antidiabetic curative effects of this plant has been conducted yet. AIM OF THE STUDY: To determine the hypoglycemic and antidiabetic effect of dietary supplementation with Anvillea radiata extracts on high-fat-diet (HFD)-induced obesity and insulin resistance in C57BL/6J mice in relation with antioxidant, anti-inflammatory, pancreatic beta-cells and skeletal muscle protection, and digestive enzyme inhibiting properties...
July 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28628912/liver-kinase-b1-amp-activated-protein-kinase-pathway-activation-attenuated-the-progression-of-endotoxemia-in-the-diabetic-mice
#4
Yan Yang, Ruolan Dong, Danli Hu, Zhihui Chen, Menglu Fu, Dao Wen Wang, Xizhen Xu, Ling Tu
BACKGROUND/AIMS: Sepsis is a common disease that continues to increase in prevalence worldwide, and diabetes mellitus may make the situation worse. This study was designed to determine the role of Liver Kinase B1 (LKB1)/adenosine monophosphate-activated protein kinase (AMPK) signaling pathway in diabetic mice complicated with systemic endotoxemia. METHODS: The effects of LKB1/AMPK signaling pathway activation on endotoxemia were investigated in streptozotocin induced diabetic mice (STZ-mice) and db/db diabetic mice...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28610911/airway-glucose-homeostasis-a-new-target-in-the-prevention-and-treatment-of-pulmonary-infection
#5
REVIEW
Emma H Baker, Deborah L Baines
In health, the glucose concentration of airway surface liquid (ASL) is 0.4 mM, about 12 times lower than the blood glucose concentration. Airway glucose homeostasis comprises a set of processes that actively maintain low ASL glucose concentration against the transepithelial gradient. Tight junctions between airway epithelial cells restrict paracellular glucose movement. Epithelial cellular glucose transport and metabolism removes glucose from ASL. Low ASL glucose concentrations make an important contribution to airway defense against infection, limiting bacterial growth by restricting nutrient availability...
June 10, 2017: Chest
https://www.readbyqxmd.com/read/28472612/acidemia-and-blood-free-fatty-acids-analysis-of-cardiovascular-risk-factors-in-a-new-context
#6
António Heitor Reis
Following a hypothesis developed in an earlier paper, here it is discussed how deviations of blood pH from the normal range (namely states of acidemia) together with high blood levels of free fatty acids (FFA) may offer a rationale for many important risk factors for cardiovascular diseases (CVD) by shaping a context for formation of fatty acid micelles and vesicles with an acidic core, which fuse with the endothelia, disrupt vital cell processes, and thereby may initiate atherosclerotic plaque formation. Acidemia may arise primarily from dysregulation of the systemic buffers that control blood pH, chronic diseases of kidneys and lungs, inappropriate diet, or may be induced by some common drugs...
March 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28186975/amp-activated-protein-kinase-reduces-inflammatory-responses-and-cellular-senescence-in-pulmonary-emphysema
#7
Xiao-Yu Cheng, Yang-Yang Li, Cheng Huang, Jun Li, Hong-Wei Yao
Current drug therapy fails to reduce lung destruction of chronic obstructive pulmonary disease (COPD). AMP-activated protein kinase (AMPK) has emerged as an important integrator of signals that control energy balance and lipid metabolism. However, there are no studies regarding the role of AMPK in reducing inflammatory responses and cellular senescence during the development of emphysema. Therefore, we hypothesize that AMPK reduces inflammatroy responses, senescence, and lung injury. To test this hypothesis, human bronchial epithelial cells (BEAS-2B) and small airway epithelial cells (SAECs) were treated with cigarette smoke extract (CSE) in the presence of a specific AMPK activator (AICAR, 1 mM) and inhibitor (Compound C, 5 μM)...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28065465/a-multicenter-double-blind-phase-ii-study-of-metformin-with-gefitinib-as-first-line-therapy-of-locally-advanced-non-small-cell-lung-cancer
#8
Kun-Lin Li, Li Li, Peng Zhang, Jun Kang, Yu-Bo Wang, Heng-Yi Chen, Yong He
We present the rationale and study design of the CGMT (combined gefitinib and metformin therapy) trial (www.ClinicalTrials.gov Identifier: NCT01864681), which is aimed at treating locally advanced non-small-cell lung cancer. The CGMT trial is a multicenter, phase II randomized, double-blinded, and placebo-controlled study, which is designed to evaluate the safety and efficacy of metformin in combination with gefitinib as first-line therapy in patients presenting with stage IIIb-IV non-small-cell lung cancer expressing the epidermal growth factor receptor mutant...
December 22, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27519177/metformin-use-and-its-effect-on-survival-in-diabetic-patients-with-advanced-non-small-cell-lung-cancer
#9
Oscar Arrieta, Edgar Varela-Santoyo, Enrique Soto-Perez-de-Celis, Roberto Sánchez-Reyes, Martha De la Torre-Vallejo, Saé Muñiz-Hernández, Andrés F Cardona
BACKGROUND: Previous population-based studies have demonstrated an association between metformin use and improved survival among diabetic patients with cancer. We sought to analyze the effects of diabetes and its treatment in terms of the survival of patients with lung cancer. METHODS: Overall, 1106 patients with non-small cell lung cancer (94.3 % with stage IV disease) were included. The outcomes were compared between the patients with (n = 186) and without diabetes (n = 920)...
2016: BMC Cancer
https://www.readbyqxmd.com/read/27114868/a-uk-general-practice-population-cohort-study-investigating-the-association-between-lipid-lowering-drugs-and-30-day-mortality-following-medically-attended-acute-respiratory-illness
#10
Roshni Joshi, Sudhir Venkatesan, Puja R Myles
Background. Cholesterol lowering drugs HMG-CoA reductase inhibitors (statins) and PPARα activators (fibrates) have been shown to reduce host inflammation via non-disease specific immunomodulatory mechanisms. Recent studies suggest that commonly prescribed drugs in general practice, statins and fibrates, may be beneficial in influenza-like illness related mortality. This retrospective cohort study examines the association between two lipid lowering drugs, statins and fibrates, and all-cause 30-day mortality following a medically attended acute respiratory illness (MAARI)...
2016: PeerJ
https://www.readbyqxmd.com/read/27109601/combined-metformin-and-resveratrol-confers-protection-against-uvc-induced-dna-damage-in-a549-lung-cancer-cells-via-modulation-of-cell-cycle-checkpoints-and-dna-repair
#11
Yong-Syu Lee, Barbara B Doonan, Joseph M Wu, Tze-Chen Hsieh
Aging in humans is a multi-factorial cellular process that is associated with an increase in the risk of numerous diseases including diabetes, coronary heart disease and cancer. Aging is linked to DNA damage, and a persistent source of DNA damage is exposure to ultraviolet (UV) radiation. As such, identifying agents that confer protection against DNA damage is an approach that could reduce the public health burden of age-related disorders. Metformin and resveratrol have both shown effectiveness in preventing several age-related diseases; using human A549 cells, we investigated whether metformin or resveratrol, alone or combined, prevent UVC-induced DNA damage...
June 2016: Oncology Reports
https://www.readbyqxmd.com/read/27105507/metformin-therapy-associated-with-survival-benefit-in-lung-cancer-patients-with-diabetes
#12
Guoxing Wan, Xiongjie Yu, Ping Chen, Xianhe Wang, Dongfeng Pan, Xuanbin Wang, Linjun Li, Xiaojun Cai, Fengjun Cao
The purpose of this study is to summarize the currently available evidence regarding the concerned issue by performing a comprehensive meta-analysis. Relevant publications reporting the association of metformin use with survival of lung cancer patients with diabetes were electronically searched to identify eligible studies. The meta-analysis was performed with hazard ratios (HRs) and 95% confidence intervals (95% CIs) as effect measures for disease-free survival(DFS) and overall survival(OS) estimates. A total of 17 individual studies from 10 publications were included in the meta-analysis...
June 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/26862317/dress-syndrome-associated-with-type-2-diabetes-in-a-child
#13
Semiha Bahceci Erdem, Hikmet Tekin Nacaroglu, Ozlem Bag, Canan Sule Unsal Karkiner, Huseyin Anil Korkmaz, Demet Can
Drug rash with eosinophilia and systemic symptoms (DRESS) syndrome is an uncommon, life-threatening drug reaction. The basic findings are skin rash, multiorgan involvement, and eosinophilia. Most of the aromatic anticonvulsants, such as phenytoin, phenobarbital and carbamazepine can induce DRESS. Herein we report a 14-year-old patient with DRESS syndrome related to carbamazepine use. The patient presented with signs of involvement of the skin, lungs, liver, and microscopic hematuria. Carbamazepine treatment was discontinued; antihistamines and steroids were started...
2015: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/26837005/metformin-prevents-the-effects-of-pseudomonas-aeruginosa-on-airway-epithelial-tight-junctions-and-restricts-hyperglycaemia-induced-bacterial-growth
#14
Wishwanath R A Patkee, Georgina Carr, Emma H Baker, Deborah L Baines, James P Garnett
Lung disease and elevation of blood glucose are associated with increased glucose concentration in the airway surface liquid (ASL). Raised ASL glucose is associated with increased susceptibility to infection by respiratory pathogens including Staphylococcus aureus and Pseudomonas aeruginosa. We have previously shown that the anti-diabetes drug, metformin, reduces glucose-induced S. aureus growth across in vitro airway epithelial cultures. The aim of this study was to investigate whether metformin has the potential to reduce glucose-induced P...
April 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/26341687/synergistic-effects-of-metformin-in-combination-with-egfr-tki-in-the-treatment-of-patients-with-advanced-non-small-cell-lung-cancer-and-type-2-diabetes
#15
Hengyi Chen, Wenxiu Yao, Qian Chu, Rui Han, Yubo Wang, Jianguo Sun, Dong Wang, Yongsheng Wang, Mengshu Cao, Yong He
BACKGROUND: Acquired resistance has become the bottleneck affecting the efficacy of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) treatment. Studies have shown that the antidiabetic drug metformin could effectively increase the sensitivity of TKI-resistant lung cancer cells to EGFR-TKI. This study aimed to evaluate the effect of metformin in combination with EGFR-TKI on the prognosis of non-small cell lung cancer (NSCLC) patients with diabetes mellitus type 2 (DM2)...
December 1, 2015: Cancer Letters
https://www.readbyqxmd.com/read/26242578/metformin-and-sitagliptin-in-patients-with-impaired-glucose-tolerance-and-a-recent-tia-or-minor-ischemic-stroke-maas-study-protocol-for-a-randomized-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
Elizabeth Osei, Susanne Fonville, Adrienne A M Zandbergen, Paul J A M Brouwers, Laus J M M Mulder, Hester F Lingsma, Diederik W J Dippel, Peter J Koudstaal, Heleen M den Hertog
BACKGROUND: Impaired glucose tolerance is present in one third of patients with a TIA or ischemic stroke and is associated with a two-fold risk of recurrent stroke. Metformin improves glucose tolerance, but often leads to side effects. The aim of this study is to explore the feasibility, safety, and effects on glucose metabolism of metformin and sitagliptin in patients with TIA or minor ischemic stroke and impaired glucose tolerance. We will also assess whether a slow increase in metformin dose and better support and information on this treatment will reduce the incidence of side effects in these patients...
2015: Trials
https://www.readbyqxmd.com/read/26047641/metformin-attenuates-hyperoxia-induced-lung-injury-in-neonatal-rats-by-reducing-the-inflammatory-response
#17
Xueyu Chen, Frans J Walther, Rozemarijn M A Sengers, El Houari Laghmani, Asma Salam, Gert Folkerts, Tonio Pera, Gerry T M Wagenaar
Because therapeutic options are lacking for bronchopulmonary dysplasia (BPD), there is an urgent medical need to discover novel targets/drugs to treat this neonatal chronic lung disease. Metformin, a drug commonly used to lower blood glucose in type 2 diabetes patients, may be a novel therapeutic option for BPD by reducing pulmonary inflammation and fibrosis and improving vascularization. We investigated the therapeutic potential of daily treatment with 25 and 100 mg/kg metformin, injected subcutaneously in neonatal Wistar rats with severe experimental BPD, induced by continuous exposure to 100% oxygen for 10 days...
August 1, 2015: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/25983003/metformin-use-improves-the-survival-of-diabetic-combined-small-cell-lung-cancer-patients
#18
Fanming Kong, Fangfang Gao, Honggen Liu, Liwei Chen, Rongxiu Zheng, Jianchun Yu, Xiaojiang Li, Geli Liu, Yingjie Jia
Metformin has been reported having potential anticancer effect on kinds of solid tumors, but its role in combined small-cell lung cancer (C-SCLC) remains indistinct. This study aimed to explore whether metformin use has a prognosis benefit in diabetic C-SCLC patients. A total of 259 C-SCLC patients with diabetes were enrolled in our study. The clinicopathological parameters and survival data were collected and analyzed. The correlation between metformin use and clinicopathological characters was analyzed. Univariate and multivariate analyses were performed to investigate the prognostic significance of metformin use for C-SCLC...
September 2015: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/25981877/metformin-as-possible-therapy-of-pulmonary-arterio-venous-malformation-in-hht-patients
#19
Alexis Lacout, Pierre Yves Marcy, Mostafa El Hajjam, Pascal Lacombe
Hereditary hemorrhagic telangiectasia (HHT) or Rendu-Osler-Weber disease is an autosomic dominant disorder, which is characterized by the development of multiple arteriovenous malformations. Pulmonary arteriovenous malformations may either rupture or be responsible for a right-to-left shunting leading to paradoxical embolism causing stroke or cerebral abscess. Metformin may harbor a pleiotropic action, (a) decreasing inflammation (via anti COX 2 pathway and other mechanism), (b) decreasing COX 2 and VEGF mediated angiogenesis, (c) increasing negative angiogenic regulation pathway by stimulating SMAD 2/3 expression either directly or via the AMPK pathway and preventing from pulmonary hypertension development and (d) diminushin oxidative stress...
September 2015: Medical Hypotheses
https://www.readbyqxmd.com/read/25849224/adherence-to-oral-medications-for-hypertension-and-diabetes-in-veterans-with-comorbid-airflow-limitation
#20
Anne C Melzer, Jane Uman, David H Au
RATIONALE: Diabetes and hypertension are common among patients with airflow limitation and contribute to cardiovascular (CV) mortality, one of the leading causes of death among patients with airflow limitation. OBJECTIVES: Our goal was to examine the association of severity of airflow limitation with adherence to medications for hypertension and diabetes. METHODS: We identified 7,359 veterans with hypertension and/or diabetes in the Veterans Integrated Service Network-20...
June 2015: Annals of the American Thoracic Society
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