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https://www.readbyqxmd.com/read/28646795/offsetting-the-impact-of-smoking-and-e-cigarette-vaping-on-the-cerebrovascular-system-and-stroke-injury-is-metformin-a-viable-countermeasure
#1
Mohammad A Kaisar, Heidi Villalba, Shikha Prasad, Taylor Liles, Ali Ehsan Sifat, Ravi K Sajja, Thomas J Abbruscato, Luca Cucullo
Recently published in vitro and in vivo findings strongly suggest that BBB impairment and increased risk for stroke by tobacco smoke (TS) closely resemble that of type-2 diabetes (2DM) and develop largely in response to common key modulators such oxidative stress (OS), inflammation and alterations of the endogenous antioxidative response system (ARE) regulated by the nuclear factor erythroid 2-related factor (Nrf2). Preclinical studies have also shown that nicotine (the principal e-liquid's ingredient used in e-cigarettes) can also cause OS, exacerbation of cerebral ischemia and secondary brain injury...
June 17, 2017: Redox Biology
https://www.readbyqxmd.com/read/28643448/post-conditioning-with-metformin-attenuates-apoptotic-events-in-cardiomyoblasts-associated-with-ischemic-reperfusion-injury
#2
Rajesh Ramachandran, Mini S
Ischemic post-conditioning is considered as a potent method to combat ischemic reperfusion injury than pre-conditioning since the latter is non predictive and risky. Rapid initiation of reperfusion with potent anti oxidant compound can be one of the most effective treatments to reduce the infract size and behavioural deficits as a result of ischemic insult. Apoptosis/Necrotic events undisputedly hold significant role in determining the fate of cardiomyocytes post ischemic injury but current studies are speculative regrading the role of post-conditioning in maintaining cellular homeostasis...
June 23, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28643317/-effect-of-metformin-on-colorectal-carcinoma-in-type-2-diabetes-mellitus-patients-a-markov-model-analysis
#3
Tianhong Su, Bing Liao, Yu Dong, Zhenwei Peng, Qian Zhou, Bin Li, Sui Peng, Ning Zhang
OBJECTIVE: To evaluate the colorectal cancer (CRC) prevention effect of metformin in comparison with that of other T2DM medications from a Markov model perspective. METHODS: Literature concerning CRC morbidity of T2DM patients with metformin or other diabetes medications treatment was reviewed in PubMed and Cochrane Library database from September 2010 to December 2016. INCLUSION CRITERIA: (1)enrolled population was adult patients with T2DM but without CRC; (2) any of the parameters applied in our model was reported; (3) randomized clinical trials (RCTs), quasi-randomized trials, prospective or retrospective cohort studies...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28642704/quercetin-a-lead-compound-against-type-2-diabetes-ameliorates-glucose-uptake-via-ampk-pathway-in-skeletal-muscle-cell-line
#4
R Dhanya, A D Arya, P Nisha, P Jayamurthy
Herein we investigated the molecular mechanism of action of the citrus flavonoid, quercetin in skeletal muscle cells (L6 myotubes). Taking advantage of protein kinase inhibitors, we proved that the effect of quercetin on 2-NBDG uptake in L6 myotubes was not through insulin signaling pathway, but through adenosine monophosphate kinase (AMPK) pathway and its downstream target p38 MAPK. An increase in the cellular AMP to ATP ratio on pretreatment may account for AMPK activation which was coupled with a transient change in mitochondrial membrane potential...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641684/novel-indications-for-commonly-used-medications-as-radiation-protectants-in-spaceflight
#5
Mark F McLaughlin, Dorit B Donoviel, Jeffrey A Jones
In the space environment, the traditional radioprotective principles of time, distance, and shielding become difficult to implement. Additionally, the complex radiation environment inherent in space, the chronic exposure timeframe, and the presence of numerous confounding variables complicate the process of creating appropriate risk models for astronaut exposure. Pharmaceutical options hold tremendous promise to attenuate acute and late effects of radiation exposure in the astronaut population. Pharmaceuticals currently approved for other indications may also offer radiation protection, modulation, or mitigation properties along with a well-established safety profile...
July 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28641488/uca1-involved-in-the-metformin-regulated-bladder-cancer-cell-proliferation-and-glycolysis
#6
Tian Li, Xiangzhou Sun, Xianhan Jiang
Despite great scientific advances have been achieved in cancer treatment in recent years, the death rate of bladder cancer has been staying at a high level. Metformin, a widely-used and low-cost diabetes medicine, might have the potential of anticancer. The aim of this study was to evaluate the effects of metformin on bladder cancer cells and to identify potential molecular targets and signaling pathways. Bladder cancer 5637 cells transfected with either pcDNA/UCA1 vector or pcDNA3.1 empty vector were treated with various doses of metformin for different periods of time, and then cell proliferation and glycolysis were assessed...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28641310/potentiating-the-effects-of-radiotherapy-in-rectal-cancer-the-role-of-aspirin-statins-and-metformin-as-adjuncts-to-therapy
#7
K J Gash, A C Chambers, D E Cotton, A C Williams, M G Thomas
BACKGROUND: Complete tumour response (pCR) to neo-adjuvant chemo-radiotherapy for rectal cancer is associated with a reduction in local recurrence and improved disease-free and overall survival, but is achieved in only 20-30% of patients. Drug repurposing for anti-cancer treatments is gaining momentum, but the potential of such drugs as adjuncts, to increase tumour response to chemo-radiotherapy in rectal cancer, is only just beginning to be recognised. METHODS: A systematic literature search was conducted and all studies investigating the use of drugs to enhance response to neo-adjuvant radiation in rectal cancer were included...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28640857/glucose-dysregulation-and-response-to-common-anti-diabetic-agents-in-the-fatzo-pco-mouse
#8
Richard G Peterson, Charles Van Jackson, Karen M Zimmerman, Jorge Alsina-Fernandez, M Dodson Michael, Paul J Emmerson, Tamer Coskun
The FATZO/Pco mouse is the result of a cross of the C57BL/6J and AKR/J strains. The crossing of these two strains and the selective inbreeding for obesity, insulin resistance and hyperglycemia has resulted in an inbred strain exhibiting obesity in the presumed presence of an intact leptin pathway. Routinely used rodent models for obesity and diabetes research have a monogenic defect in leptin signaling that initiates obesity. Given that obesity and its sequelae in humans are polygenic in nature and not associated with leptin signaling defects, the FATZO mouse may represent a more translatable rodent model for study of obesity and its associated metabolic disturbances...
2017: PloS One
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#9
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28640096/effect-of-transforaminal-epidural-polydeoxyribonucleotide-injections-on-lumbosacral-radiculopathy-a-case-report
#10
Keum Nae Kang, Tae Woong Kim, Jin Woo Koh, Han Byeol Oh, Jong-Uk Mun, Mi Sook Seo, Young Uk Kim
RATIONALE: Transforaminal epidural glucocorticoids administration is widely performed for the management of lumbosacral radiculopathy. However, it may worsen the condition of patients with type 2 diabetes mellitus (DM). Polydeoxyribonucleotide (PDRN) was recently noted as a substitute for glucocorticoids. PATIENT CONCERNS: A 44-year-old male patient was admitted to our pain clinic with symptoms of low back pain with severe pain and tingling sensation of left posterolateral leg...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28638873/protective-effect-of-camel-milk-as-anti-diabetic-supplement-biochemical-molecular-and-immunohistochemical-study
#11
Ahmed A Mansour, Mohammed A Nassan, Osama M Saleh, Mohamed M Soliman
BACKGROUND: Diabetes is a serious disease affects human health. Diabetes in advanced stages is accompanied by general weakness and alteration in fats and carbohydrates metabolism. Recently there are some scientific trends about the usage of camel milk (CM) in the treatment of diabetes and its associated alterations. CM contains vital active particles with insulin like action that cure diabetes and its complications but how these effects occur, still unclear. MATERIALS AND METHODS: Seventy-five adult male rats of the albino type divided into five equal groups...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28634570/to-use-or-not-to-use-metformin-in-cerebral-ischemia-a-review-of-the-application-of-metformin-in-stroke-rodents
#12
REVIEW
Isaac Arbeláez-Quintero, Mauricio Palacios
Ischemic strokes are major causes of death and disability. Searching for potential therapeutic strategies to prevent and treat stroke is necessary, given the increase in overall life expectancy. Epidemiological reports indicate that metformin is an oral antidiabetic medication that can reduce the incidence of ischemic events in patients with diabetes mellitus. Its mechanism of action has not been elucidated, but metformin pleiotropic effects involve actions in addition to glycemic control. AMPK activation has been described as one of the pharmacological mechanisms that explain the action of metformin and that lead to neuroprotective effects...
2017: Stroke Research and Treatment
https://www.readbyqxmd.com/read/28632873/screening-for-obesity-and-intervention-for-weight-management-in-children-and-adolescents-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#13
Elizabeth A O'Connor, Corinne V Evans, Brittany U Burda, Emily S Walsh, Michelle Eder, Paula Lozano
Importance: Obesity is common in children and adolescents in the United States, is associated with negative health effects, and increases the likelihood of obesity in adulthood. Objective: To systematically review the benefits and harms of screening and treatment for obesity and overweight in children and adolescents to inform the US Preventive Services Task Force. Data Sources: MEDLINE, PubMed, PsycINFO, Cochrane Collaboration Registry of Controlled Trials, and the Education Resources Information Center through January 22, 2016; references of relevant publications; government websites...
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28632780/metformin-intake-associates-with-better-cognitive-function-in-patients-with-huntington-s-disease
#14
David Hervás, Victoria Fornés-Ferrer, Ana Pilar Gómez-Escribano, María Dolores Sequedo, Carmen Peiró, José María Millán, Rafael P Vázquez-Manrique
Huntington's disease (HD) is an inherited, dominant neurodegenerative disorder caused by an abnormal expansion of CAG triplets in the huntingtin gene (htt). Despite extensive efforts to modify the progression of HD thus far only symptomatic treatment is available. Recent work suggests that treating invertebrate and mice HD models with metformin, a well-known AMPK activator which is used worldwide to treat type 2-diabetes, reduces mutant huntingtin from cells and alleviates many of the phenotypes associated to HD...
2017: PloS One
https://www.readbyqxmd.com/read/28631945/vildagliptin-any-effect-on-non-alcoholic-fatty-liver-disease-and-serum-uric-acid-re-shelbaya-s-rakha-s-effectiveness-and-safety-of-vildagliptin-and-vildagliptin-add-on-to-metformin-in-real-world-settings-in-egypt-results-from-the-guard-study-curr-med-res-opin
#15
https://www.readbyqxmd.com/read/28631762/-safety-and-tolerability-of-oral-hypoglycemic-therapies-in-type-2-diabetes-mellitus-patients-at-high-cardiovascular-risk
#16
Giuseppe Ambrosio, Gaetano M De Ferrari, Massimo Federici, Pasquale Perrone Filardi
Oral hypoglycemic drugs for type 2 diabetes aim at preventing the metabolic effects of hyperglycemia and cardiovascular (CV) events. The evidence of the possible CV risk related to the prescription of some antidiabetic drugs prompted regulatory agencies to require safety studies. This review provides an updated analysis of CV safety profiles for antidiabetic drugs used for the treatment of patients with high CV risk.The most recent studies analyze different aspects of CV morbidity, such as ischemic events, heart failure and arrhythmia, and their interactions with hyperglycemia...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28630466/comparative-effectiveness-of-9-ovulation-induction-therapies-in-patients-with-clomiphene-citrate-resistant-polycystic-ovary-syndrome-a-network-meta-analysis
#17
Yiping Yu, Lanlan Fang, Ruizhe Zhang, Jingyan He, Yujing Xiong, Xiaoyi Guo, Qingyun Du, Yan Huang, Yingpu Sun
The comparative efficacies of ovulation-induction treatments in patients with clomiphene citrate-resistant (CCR) polycystic ovary syndrome (PCOS) are not well known. Therefore, we conducted a network meta-analysis to rank the reproductive efficacies of these treatments. We ultimately included 26 randomized clinical trials with 2722 participants and 9 types of therapies: clomiphene citrate (CC), metformin, letrozole, follicle stimulating hormone (FSH), human menopausal gonadotropin (hMG), unilateral laparoscopic ovarian drilling (ULOD), bilateral laparoscopic ovarian drilling (BLOD), the combination of metformin with letrozole (metformin+letrozole), and the combination of metformin with CC (metformin+CC)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629731/pterostilbene-ameliorates-insulin-sensitivity-glycemic-control-and-oxidative-stress-in-fructose-fed-diabetic-rats
#18
Ramoji Kosuru, Sanjay Singh
AIMS: The present investigation was designed to explore the effectiveness of pterostilbene (PT) on insulin resistance, metabolic syndrome and oxidative stress in fructose-fed insulin resistant rats. MAIN METHODS: Age-matched, male Sprague-Dawley rats (330±30g body weight) were allocated into five groups (n=10). Control (C) group received 65% cornstarch, and the diabetic (D) group received 65% fructose for eight weeks. The third group (D+PT20) received 65% fructose and PT 20mg/kg/day for eight weeks...
June 16, 2017: Life Sciences
https://www.readbyqxmd.com/read/28628912/liver-kinase-b1-amp-activated-protein-kinase-pathway-activation-attenuated-the-progression-of-endotoxemia-in-the-diabetic-mice
#19
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...
June 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28625506/long-term-cost-effectiveness-of-two-glp-1-receptor-agonists-for-the-treatment-of-type-2-diabetes-mellitus-in-the-italian-setting-liraglutide-versus-lixisenatide
#20
Barnaby Hunt, Nana Kragh, Ceilidh C McConnachie, William J Valentine, Maria C Rossi, Roberta Montagnoli
PURPOSE: Maintaining glycemic control is the key treatment target for patients with type 2 diabetes mellitus. In addition, the glucagon-like peptide-1 (GLP-1) receptor agonists may be associated with other favorable treatment characteristics, such as reduction in body weight and reduced risk of hypoglycemia compared with traditional diabetes interventions. The aim of the present analysis was to compare the long-term cost-effectiveness of 2 GLP-1 receptor agonists, liraglutide 1.8 mg and lixisenatide 20 μg (both administered once daily), in the treatment of patients with type 2 diabetes failing to achieve glycemic control with metformin monotherapy in the Italian setting...
June 15, 2017: Clinical Therapeutics
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