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https://www.readbyqxmd.com/read/28438694/predictive-role-of-gstp1-containing-exosomes-in-chemotherapy-resistant-breast-cancer
#1
Su-Jin Yang, Dan-Dan Wang, Jian Li, Han-Zi Xu, Hong-Yu Shen, Xiu Chen, Si-Ying Zhou, Shan-Liang Zhong, Jian-Hua Zhao, Jin-Hai Tang
Anthracycline/taxane-based chemotherapy regimens are usually used as neoadjuvant chemotherapies to decrease tumour size and prevent metastasis of advanced breast cancer. However, patients have a high risk of developing chemo-resistance during treatment through still unknown mechanisms. Glutathione S-transferase P1 (GSTP1), which belongs to the family of phase II metabolic enzymes, has been reported to function in detoxifying several anti-cancer drugs by conjugating them with glutathione. Previous studies have identified GSTP1 as a predictor of prognosis and chemo-resistance in breast cancer patients, but the mechanisms governing GSTP1-dependent drug resistance are still unclear...
April 21, 2017: Gene
https://www.readbyqxmd.com/read/28435244/accelerometer-versus-questionnaire-based-assessment-of-physical-activity-and-their-changes-over-time-in-patients-with-copd
#2
Noriane A Sievi, Thomas Brack, Martin H Brutsche, Martin Frey, Sarosh Irani, Jörg D Leuppi, Robert Thurnheer, Malcolm Kohler, Christian F Clarenbach
BACKGROUND AND OBJECTIVE: Physical activity (PA) is an important outcome parameter in patients with COPD regarding hospitalizations and mortality. Both objective assessment by accelerometers and self-evaluation by questionnaires were used in studies investigating PA in COPD. Whether self-reported questionnaires can adequately reflect PA and its changes over time compared to objective assessments has not been thoroughly investigated in COPD. In this COPD cohort study, we evaluated whether PA measured by accelerometer and its annual changes can also be assessed by self-reported questionnaires...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28430372/retinal-nerve-fibre-layer-thickness-is-reduced-in-metabolic-syndrome
#3
R Zarei, P Anvari, Y Eslami, G Fakhraie, M Mohammadi, A Jamali, M Afarideh, A Ghajar, S Heydarzade, A Esteghamati, S Moghimi
AIMS: To investigate retinal nerve fibre layer (RNFL) thickness in people with metabolic syndrome (MetS) and healthy controls. METHODS: A cross-sectional study was performed from March 2014 to January 2016. All participants underwent anthropometric and serological biochemical measurements, ophthalmological examination, and spectral-domain optical coherence tomography (SD-OCT). Individuals with elevated intraocular pressure, glaucoma, diabetic retinopathy and other ocular disorders were excluded...
April 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28429577/investigating-general-medication-prescription-by-general-practitioners-during-a-12-month-randomized-controlled-weight-loss-trial
#4
N R Fuller, N S Lau, T P Markovic, I D Caterson
Much healthcare expenditure is on pharmaceutical drugs. Expenditure on medications has increased both in absolute terms, and as a proportion of total health expenditure. No previous studies have investigated the prescribing costs by general practitioners when managing patients during a weight loss intervention. This study evaluated the medication costs by individual class during a 1-year study in which 268 participants were randomized to one of two weight loss programmes, either standard care (SC) as defined by national guidelines, or a commercial provider (Weight Watchers) (CP)...
April 20, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28427839/the-prevalence-of-metabolic-syndrome-among-older-adults-in-ecuador-results-of-the-sabe-survey
#5
Carlos H Orces, Enrique Lopez Gavilanez
AIMS: To describe the prevalence of metabolic syndrome among older adults in Ecuador. A secondary objective was to examine the relationship between metabolic syndrome and its components and insulin resistance among non-diabetic participants. MATERIALS AND METHODS: The National Survey of Health, Wellbeing, and Aging survey was used to examine the prevalence of metabolic syndrome according to demographic, behavioral, and health characteristics of the participants...
April 11, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28424906/prevalence-and-features-of-metabolic-syndrome-in-childhood-onset-systemic-lupus-erythematosus
#6
Nailú Angélica Sinicato, Mariana Postal, Karina de Oliveira Peliçari, Leticia Rittner, Roberto Marini, Simone Appenzeller
To estimate the prevalence and features of metabolic syndrome (MetS) in childhood-onset systemic lupus erythematosus (cSLE), we performed a cross-sectional study of 76 consecutive cSLE patients and 54 healthy controls, age and sex matched. All individuals were assessed for anthropometric and MetS features according to World Health Organization (WHO), NCEP Adult Treatment Panel III (NCEP-ATP III), and International Diabetes Federation (IDF) criteria. The cSLE patients were further assessed for clinical and laboratory manifestations, disease activity (Systemic Lupus Erythematosus Disease Activity Index), cumulative damage (Systemic Lupus International Collaborating Clinics (SLICC)), and current and cumulative drug exposures...
April 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28424613/the-relationship-between-cerebral-small-vessel-disease-hippocampal-volume-and-cognitive-functioning-in-patients-with-copd-an-mri-study
#7
Fiona A H M Cleutjens, Rudolf W H M Ponds, Martijn A Spruit, Saartje Burgmans, Heidi I L Jacobs, Ed H B M Gronenschild, Julie Staals, Frits M E Franssen, Jeanette B Dijkstra, Lowie E G W Vanfleteren, Paul A Hofman, Emiel F M Wouters, Daisy J A Janssen
The neural correlates of cognitive impairment in chronic obstructive pulmonary disease (COPD) are not yet understood. Structural brain abnormalities could possibly be associated with the presence of cognitive impairment through cigarette smoke, inflammation, vascular disease, or hypoxemia in these patients. This study aimed to investigate whether macrostructural brain magnetic resonance imaging (MRI) features of cerebral small vessel disease (SVD) and hippocampal volume (HCV) are related to cognitive performance in patients with COPD...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28421565/iron-homeostasis-in-inflammation-a-single-centre-prospective-observational-study-in-medical-inpatients
#8
Carl Chrobak, Jan Adam Sidler, Alix O'Meara, Sabine Schaedelin, Balthasar L Hug
AIMS OF THE STUDY: We aimed to assess a potential association of iron status with mortality and morbidity of inpatients with systemic inflammation. METHODS: This was a single centre prospective observational study. From April 2014 to October 2014, all consecutive medical inpatients aged >=18 years with a C-reactive protein value >5 mg/l on hospital admission were eligible for the study. We excluded pregnant women and patients with terminal renal insufficiency or past allogeneic stem cell transplantation...
April 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28420467/-study-of-plasma-amino-acid-related-metabolites-of-septic-rats-using-gas-chromatography-mass-spectrometry
#9
Jin Su, Yimin Zhu, Yu Jiang, Lianhong Zou, Xiaoliang Liu, Yixiao Xu
OBJECTIVE: To reveal the pathophysiological changes of sepsis, the plasma metabonomics of septic rats was determined and differential metabolites were determined by gas chromatography-mass spectrometry (GC-MS). METHODS: Male Spraguee-Dawley (SD) rats about 8 weeks were randomly divided into sham group (n = 18) and sepsis group (n = 24). Cecal ligation and puncture (CLP) was used to build sepsis model, while cecum was kept intact only in the sham group. 6 hours after the operation, rats were anesthetized, and blood was harvested through heart thoracotomy...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28419081/prepubertal-children-born-large-for-gestational-age-have-lower-serum-dheas-concentrations-than-those-with-a-lower-birth-weight
#10
Henrikki Nordman, Raimo Voutilainen, Leena Antikainen, Jarmo Jääskeläinen
BACKGROUND: Children born small for gestational age (SGA) have higher serum dehydroepiandrosterone sulfate (DHEAS) concentrations than children born appropriate for gestational age (AGA). The overall metabolic risk associated with birth weight is U-shaped, but it is not known if children born large for gestational age (LGA) have elevated serum DHEAS levels. METHODS: A cohort of 49 LGA, 56 AGA, and 23 SGA children were studied at 5-8 years of age. Anthropometric data at birth, at the age of two years, and at examination were recorded...
April 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28417532/non-alcoholic-fatty-liver-disease-nafld-prevalence-and-its-metabolic-associations-in-patients-with-type-1-diabetes-and-type-2-diabetes
#11
Kenneth Cusi, Arun J Sanyal, Shuyu Zhang, Mark L Hartman, Juliana M Bue-Valleskey, Byron J Hoogwerf, Axel Haupt
We investigated non-alcoholic fatty liver disease (NAFLD) prevalence and its metabolic associations in patients with type 1 diabetes (T1D), and in insulin-naïve and insulin-treated patients with type 2 diabetes (T2D). Baseline data from patients who had liver fat content (LFC) evaluated by magnetic resonance imaging in 4 phase 3 studies of basal insulin peglispro (BIL) were analyzed. Associations of NAFLD with clinical characteristics, glycemic control and diabetes therapy were evaluated. The prevalence of NAFLD (defined as LFC ≥6%) was low in T1D (8...
April 17, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28416512/investigating-the-genetic-architecture-of-the-pr-interval-using-clinical-phenotypes
#12
Jonathan D Mosley, M Benjamin Shoemaker, Quinn S Wells, Dawood Darbar, Christian M Shaffer, Todd L Edwards, Lisa Bastarache, Catherine A McCarty, Will Thompson, Christopher G Chute, Gail P Jarvik, David R Crosslin, Eric B Larson, Iftikhar J Kullo, Jennifer A Pacheco, Peggy L Peissig, Murray H Brilliant, James G Linneman, John S Witte, Josh C Denny, Dan M Roden
BACKGROUND: One potential use for the PR interval is as a biomarker of disease risk. We hypothesized that quantifying the shared genetic architectures of the PR interval and a set of clinical phenotypes would identify genetic mechanisms contributing to PR variability and identify diseases associated with a genetic predictor of PR variability. METHODS AND RESULTS: We used ECG measurements from the ARIC study (Atherosclerosis Risk in Communities; n=6731 subjects) and 63 genetically modulated diseases from the eMERGE network (Electronic Medical Records and Genomics; n=12 978)...
April 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28414603/cardiovascular-findings-in-ponies-with-equine-metabolic-syndrome
#13
Natalie Heliczer, Vinzenz Gerber, Rupert Bruckmaier, Johannes H van der Kolk, Cristobal Navas de Solis
OBJECTIVE To determine whether hypertension, high sympathetic tone, resting and exercising arrhythmias, and echocardiographic changes consistent with hypertensive cardiomyopathy were associated with equine metabolic syndrome (EMS) in ponies. DESIGN Prospective case-control study. ANIMALS 19 privately owned ponies with a diagnosis of EMS (history of laminitis, body condition score ≥ 7/9, cresty neck score ≥ 3/5, and abnormal oral sugar test result; cases) and 20 healthy control ponies. PROCEDURES Heart rate (HR), noninvasively measured arterial blood pressure (BP), markers of autonomic tone (splenic volume and HR variability), 24-hour and exercising ECGs, and echocardiograms were compared between cases and controls...
May 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28412483/effect-of-micro-environment-modification-and-polymer-type-on-the-in-vitro-dissolution-behavior-and-in-vivo-performance-of-amorphous-solid-dispersions
#14
Weiwei Sun, Baoliang Pan
This study investigates the effects of micro-environment modification and polymer type on the in-vitro dissolution behavior and in-vivo performance of micro-environment pH modifying solid dispersions (pHM-SD) for the poorly water-soluble model drug Toltrazuril (TOL). Various pHM-SDs were prepared using Ca(OH)2 as a pH-modifier in hydrophilic polymers, including polyethylene glycol 6000 (PEG6000), polyvinylpyrrolidone k30 (PVPk30) and hydroxypropyl methylcellulose (HPMC). Based on the results of physicochemical characterizations and in-vitro dissolution testing, the representative ternary (Ca(OH)2:TOL:PEG6000/HPMC/PVPk30=1:8:24, w/w/w) and binary (TOL:PVPk30=1:3, w/w) solid dispersions were selected and optimized to perform in-vivo pharmacokinetic study...
April 13, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28410174/pilot-and-feasibility-test-of-a-mobile-health-supported-behavioral-counseling-intervention-for-weight-management-among-breast-cancer-survivors
#15
Lisa M Quintiliani, Devin M Mann, Marissa Puputti, Emily Quinn, Deborah J Bowen
BACKGROUND: Health behavior and weight management interventions for cancer survivors have the potential to prevent future cancer recurrence and improve long-term health; however, their translation can be limited if the intervention is complex and involves high participant burden. Mobile health (mHealth) offers a delivery modality to integrate interventions into daily life routines. OBJECTIVE: The objective of this study was to evaluate the effects of a one-group trial with a pre-post evaluation design on engagement (use and acceptability), physiological (weight), behavioral (diet and physical activity), and other secondary outcomes...
May 9, 2016: JMIR Cancer
https://www.readbyqxmd.com/read/28408641/gastroparesis-and-lipid-metabolism-associated-dysbiosis-in-wistar-kyoto-rats
#16
Julie E Dalziel, Karl Fraser, Wayne Young, Catherine M Lloyd-West, Shalome A Bassett, Nicole C Roy
Altered gastric accommodation and intestinal morphology suggests impaired gastrointestinal (GI) transit may occur in the Wistar Kyoto (WKY) rat strain, as common in stress-associated functional GI disorders. Because changes in GI transit can alter microbiota composition, we investigated whether these are altered in WKY rats compared with the resilient Sprague Dawley (SD) rats under basal conditions, and characterized plasma lipid and metabolite differences. Bead transit was tracked by X-ray imaging to monitor: gastric emptying (GE; 4 h), small intestine (SI) transit (9 h) and large intestine transit (12 h)...
April 13, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28407533/determination-of-brusatol-in-plasma-and-tissues-by-lc-ms-method-and-its-application-to-a-pharmacokinetic-and-distribution-study-in-mice
#17
Nan Guo, Xiaoran Zhang, Fanlong Bu, Lei Wang, Zhanqi Cao, Chunmei Geng, Ruichen Guo, Dongmei Ren, Qing Wen
OBJECTIVES: The quassinoid brusatol, which can be isolated from Brucea javanica (L.) Merr., becomes popularly studied because of its anti-tumor activity. In order to further investigate brusatol and extend its applications, a sensitive analytical method for determination of brusatol in biological samples is essential. However, few methods had been reported until now. In this study, a highly sensitive and reproducible LC-MS method for simultaneous quantification of brusatol in mouse plasma and tissues was developed and validated...
April 4, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28407315/drugs-with-antidepressant-properties-affect-tryptophan-metabolites-differently-in-rodent-models-with-depression-like-behavior
#18
Amanda Eskelund, Yan Li, David P Budac, Heidi K Müller, Gulinello Maria, Connie Sanchez, Gregers Wegener
The metabolism of tryptophan through kynurenine and serotonin pathways is linked to depression. Here, effects of different drugs with antidepressant properties (vortioxetine, fluoxetine and ketamine) on various tryptophan metabolites in different brain regions and plasma were examined using tandem mass spectrometry (LC-MS/MS), in Flinders Sensitive Line (FSL) rats, a genetic rat model of depression, and its controls: Flinders Resistant Line (FRL) and Sprague-Dawley (SD) rats. Protein levels of kynurenine pathway enzymes were measured in the brains and livers of these rat strains...
April 13, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28406435/associations-of-dietary-glucose-fructose-and-sucrose-with-%C3%AE-cell-function-insulin-sensitivity-and-type-2-diabetes-in-the-maastricht-study
#19
Louise J C J den Biggelaar, Simone J P M Eussen, Simone J S Sep, Andrea Mari, Ele Ferrannini, Martien C J M van Dongen, Karlijn F M Denissen, Nicole E G Wijckmans, Miranda T Schram, Carla J van der Kallen, Annemarie Koster, Nicolaas Schaper, Ronald M A Henry, Coen D A Stehouwer, Pieter C Dagnelie
The associations of glucose, fructose, and sucrose intake with type 2 diabetes mellitus (T2DM) have been inconsistent. Furthermore, there is a lack of studies focusing on early markers of T2DM that provide insight into the process of T2DM progression: impaired pancreatic β-cell function (BCF) and insulin sensitivity. This study evaluated associations cross-sectionally in a population-based cohort consisting of 2818 individuals (mean ± SD age 59.7 ± 8.18, 49.5% male, n = 120 newly diagnosed T2DM). Glucose, fructose, and sucrose intake were assessed by a food frequency questionnaire...
April 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28406125/effect-of-rosuvastatin-on-dyslipidemia-and-other-parameters-associated-with-metabolic-syndrome-in-saudi-patients
#20
M M Rafeeq, H S Habib, Has Murad, M A Gari, Z J Gazzaz
CONTEXT: Metabolic syndrome (MS) is a constellation of metabolic irregularities consisting of dyslipidemia, hypertension, hyperglycemia, chronic inflammatory, and hypercoagulable state predisposing to diabetes and cardiovascular events. Statins are first-line drugs to treat the associated atherogenic dyslipidemia. AIM: Effect of rosuvastatin on MS in Saudi patients was studied. SETTINGS AND DESIGN: Prospective, open label, randomized clinical study...
April 2017: Nigerian Journal of Clinical Practice
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