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https://www.readbyqxmd.com/read/28214631/discovery-of-quinone-directed-antitumor-agents-selectively-bioactivated-by-nqo1-over-cpr-with-improved-safety-profile
#1
Jinlei Bian, Xiang Li, Nan Wang, Xingsen Wu, Qidong You, Xiaojin Zhang
In this work, we mainly focused on discovering compounds with good selectivity for NQO1 over CPR. The NQO1-mediated two-electron reduction of compounds would kill cancer cells selectively, while CPR-mediated one-electron reduction would induce potential hepatotoxicity. Several novel quinone-directed antitumor agents were discovered as specific NQO1 substrates through structure-activity relationship studies. Among them, compound 3,7,8-trimethylnaphtho[1,2-b]furan-4,5-dione (12b) emerged as the most specific substrate of the two-electron oxidoreductase NQO1 and could hardly be reduced by CPR...
February 6, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28210081/role-of-lap-cd4-t-cells-in-the-tumor-microenvironment-of-colorectal-cancer
#2
Wu Zhong, Zhi-Yuan Jiang, Lei Zhang, Jia-Hao Huang, Shi-Jun Wang, Cun Liao, Bin Cai, Li-Sheng Chen, Sen Zhang, Yun Guo, Yun-Fei Cao, Feng Gao
AIM: To investigate the abundance and potential functions of LAP(+)CD4(+) T cells in colorectal cancer (CRC). METHODS: Proportions of LAP(+)CD4(+) T cells were examined in peripheral blood and tumor/paratumor tissues of CRC patients and healthy controls using flow cytometry. Expression of phenotypic markers such as forkhead box (Fox)p3, cytotoxic T-lymphocyte-associated protein (CTLA)-4, chemokine CC receptor (CCR)4 and CCR5 was measured using flow cytometry. LAP(-)CD4(+) and LAP(+)CD4(+) T cells were isolated using a magnetic cell-sorting system and cell purity was analyzed by flow cytometry...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28205558/plant-based-vaccines-for-oral-delivery-of-type-1-diabetes-related-autoantigens-evaluating-oral-tolerance-mechanisms-and-disease-prevention-in-nod-mice
#3
Amanda L Posgai, Clive H Wasserfall, Kwang-Chul Kwon, Henry Daniell, Desmond A Schatz, Mark A Atkinson
Autoantigen-specific immunological tolerance represents a central objective for prevention of type 1 diabetes (T1D). Previous studies demonstrated mucosal antigen administration results in expansion of Foxp3(+) and LAP(+) regulatory T cells (Tregs), suggesting oral delivery of self-antigens might represent an effective means for modulating autoimmune disease. Early preclinical experiments using the non-obese diabetic (NOD) mouse model reported mucosal administration of T1D-related autoantigens [proinsulin or glutamic acid decarboxylase 65 (GAD)] delayed T1D onset, but published data are conflicting regarding dose, treatment duration, requirement for combinatorial agents, and extent of efficacy...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205034/laparoscopic-surgery-for-pancreatic-neoplasms-the-european-association-for-endoscopic-surgery-clinical-consensus-conference
#4
Bjørn Edwin, Mushegh A Sahakyan, Mohammad Abu Hilal, Marc G Besselink, Marco Braga, Jean-Michel Fabre, Laureano Fernández-Cruz, Brice Gayet, Song Cheol Kim, Igor E Khatkov
BACKGROUND: Introduced more than 20 years ago, laparoscopic pancreatic surgery (LAPS) has not reached a uniform acceptance among HPB surgeons. As a result, there is no consensus regarding its use in patients with pancreatic neoplasms. This study, organized by the European Association for Endoscopic Surgery (EAES), aimed to develop consensus statements and clinical recommendations on the application of LAPS in these patients. METHODS: An international panel of experts was selected based on their clinical and scientific expertise in laparoscopic and open pancreatic surgery...
February 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28201826/adiposity-indexes-as-phenotype-specific-markers-of-preclinical-metabolic-alterations-and-cardiovascular-risk-in-polycystic-ovary-syndrome-a-cross-sectional-study
#5
Fernanda Missio Mario, Scheila Karen Graff, Poli Mara Spritzer
Polycystic ovary syndrome (PCOS) is a common condition in women of reproductive age. 2 PCOS phenotypes (classic and ovulatory) are currently recognized as the most prevalent, with important differences in terms of cardiometabolic features. We studied the performance of different adiposity indexes to predict preclinical metabolic alterations and cardiovascular risk in 234 women with PCOS (173 with classic and 61 with ovulatory PCOS) and 129 controls. Performance of waist circumference, waist-to-height ratio, conicity index, lipid accumulation product, and visceral adiposity index was assessed based on HOMA-IR ≥ 3...
February 15, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28196766/projecting-the-self-outside-the-body-body-representations-underlying-proprioceptive-imagery
#6
Nataşa Ganea, Matthew R Longo
Recent research has shown that proprioception relies on distorted representations of body size and shape. By asking participants to localise multiple landmarks on their occluded hand, perceptual maps of hand size and shape can be constructed and compared to actual hand structure. These maps are different from the actual size and shape of the occluded hand, revealing underestimation of finger length and overestimation of hand width. Here we tested whether the same distorted body model underlies proprioceptive imagery (i...
February 11, 2017: Cognition
https://www.readbyqxmd.com/read/28195018/glottic-closing-force-versus-laryngeal-adductory-pressure-in-the-canine-larynx
#7
Randal C Paniello, Neel K Bhatt
INTRODUCTION: The strength of glottic closure with recurrent laryngeal nerve (RLN) stimulation has been indirectly measured experimentally by determining the squeezing pressure on a balloon inserted between the vocal folds, termed laryngeal adductory pressure (LAP). In this study, we sought to measure glottic closing force (GCF) directly and compare these results to LAP measures obtained with identical stimulation parameters. METHODS: In canines, a method for measuring GCF was developed in which a suture was looped through a lateral thyrotomy hole, around the vocal process and back, then attached to a force gauge...
March 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28194177/fatty-liver-index-and-lipid-accumulation-product-can-predict-metabolic-syndrome-in-subjects-without-fatty-liver-disease
#8
Yuan-Lung Cheng, Yuan-Jen Wang, Keng-Hsin Lan, Teh-Ia Huo, Yi-Hsiang Huang, Chien-Wei Su, Wei-Yao Hsieh, Ming-Chih Hou, Han-Chieh Lin, Fa-Yauh Lee, Jaw-Ching Wu, Shou-Dong Lee
Background. Fatty liver index (FLI) and lipid accumulation product (LAP) are indexes originally designed to assess the risk of fatty liver and cardiovascular disease, respectively. Both indexes have been proven to be reliable markers of subsequent metabolic syndrome; however, their ability to predict metabolic syndrome in subjects without fatty liver disease has not been clarified. Methods. We enrolled consecutive subjects who received health check-up services at Taipei Veterans General Hospital from 2002 to 2009...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28194152/hsp65-producing-lactococcus-lactis-prevents-inflammatory-intestinal-disease-in-mice-by-il-10-and-tlr2-dependent-pathways
#9
Ana Cristina Gomes-Santos, Rafael Pires de Oliveira, Thaís Garcias Moreira, Archimedes Barbosa Castro-Junior, Bernardo Coelho Horta, Luísa Lemos, Leonardo Augusto de Almeida, Rafael Machado Rezende, Denise Carmona Cara, Sérgio Costa Oliveira, Vasco Ariston Carvalho Azevedo, Anderson Miyoshi, Ana Maria Caetano Faria
Heat shock proteins (Hsps) are highly expressed at all sites of inflammation. As they are ubiquitous and immunodominant antigens, these molecules represent good candidates for the therapeutic use of oral tolerance in autoimmune and chronic inflammatory diseases. Evidences from human and animal studies indicate that inflammatory bowel disease (IBD) results from uncontrolled inflammatory responses to intestinal microbiota. Hsps are immunodominant proteins expressed by several immune cells and by commensal bacteria...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28189001/functional-outcome-at-school-age-of-children-born-with-gastroschisis
#10
Chiara C M M Lap, Sandra W Bolhuis, Koenraad N J A Van Braeckel, Sijmen A Reijneveld, Gwendolyn T R Manten, Arend F Bos, Jan B F Hulscher
OBJECTIVE: We aimed to determine motor, cognitive and behavioural outcomes of school aged children born with gastroschisis compared to matched controls. STUDY DESIGN: We compared outcomes of 16 children born with gastroschisis treated at the University Medical Center Groningen, the Netherlands, between 1999 and 2006 with 32 controls matched for gender, gestational age, birth weight, and corrected for small for gestational age (SGA) and parental socioeconomic status (SES)...
February 8, 2017: Early Human Development
https://www.readbyqxmd.com/read/28187735/prognostic-value-of-alcohol-consumption-and-some-other-dietary-habits-for-survival-in-a-cohort-of-chinese-men-with-lung-cancer
#11
Wentao Li, Lap Ah Tse, Joseph S K Au, Kai Shing Yu, Feng Wang, Ignatius Tak-Sun Yu
BACKGROUND: Alcohol consumption and some other dietary habits are thought to be associated with lung cancer incidence. However, the effects of these habits on lung cancer prognosis have been studied rarely. The purpose of this study was to address these gaps in knowledge. METHODS: We studied a cohort of 1052 Chinese men in Hong Kong who were diagnosed with primary lung cancer. Cox proportional hazards models were used to determine the prognostic values of consumption of alcohol, fresh fruits or vegetables, meat, and fried or preserved food...
February 10, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28178301/evaluation-of-the-finis-swimsense%C3%A2-and-the-garmin-swim%C3%A2-activity-monitors-for-swimming-performance-and-stroke-kinematics-analysis
#12
Robert Mooney, Leo R Quinlan, Gavin Corley, Alan Godfrey, Conor Osborough, Gearóid ÓLaighin
AIMS: The study aims were to evaluate the validity of two commercially available swimming activity monitors for quantifying temporal and kinematic swimming variables. METHODS: Ten national level swimmers (5 male, 5 female; 15.3±1.3years; 164.8±12.9cm; 62.4±11.1kg; 425±66 FINA points) completed a set protocol comprising 1,500m of swimming involving all four competitive swimming strokes. Swimmers wore the Finis Swimsense and the Garmin Swim activity monitors throughout...
2017: PloS One
https://www.readbyqxmd.com/read/28168977/diffuse-coronary-artery-disease-among-other-atherosclerotic-plaque-characteristics-by-coronary-computed-tomography-angiography-for-predicting-coronary-vessel-specific-ischemia-by-fractional-flow-reserve
#13
Asim Rizvi, Bríain Ó Hartaigh, Ibrahim Danad, Donghee Han, Ji Hyun Lee, Heidi Gransar, Jackie Szymonifka, Fay Y Lin, James K Min
BACKGROUND AND AIMS: Coronary computed tomography angiography (CCTA) permits effective identification of diffuse CAD and atherosclerotic plaque characteristics (APCs). We sought to examine the usefulness of diffuse CAD beyond luminal narrowing and APCs by CCTA to detect vessel-specific ischemia. METHODS: 407 vessels (n = 252 patients) from the DeFACTO diagnostic accuracy study were retrospectively analyzed for percent plaque diffuseness (PD). Percent plaque diffuseness (PD) was obtained on per-vessel level by summation of all contiguous lesion lengths and divided by total vessel length, and was logarithmically transformed (log percent PD)...
January 16, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28166894/the-influence-of-a-semi-reclined-seated-posture-on-head-and-neck-kinematics-and-muscle-activity-while-reading-a-tablet-computer
#14
Ethan C Douglas, Kaitlin M Gallagher
Increased tablet computer usage calls for a proper understanding of potential injury risks from these devices. The purpose of this study was to assess the influence of tablet computer reading postures on head and neck flexion and muscle activity. Nineteen participants completed read a tablet computer in four different postures (standard computer monitor, tablet on a desk, tablet in the lap, semi-reclined with tablet in the lap). Reading the tablet in a semi-reclined trunk posture with the tablet in one's lap increased (p < 0...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28166684/pathogenic-mechanisms-of-ige-mediated-inflammation-in-self-destructive-autoimmune-responses
#15
Rachel Ettinger, Jodi L Karnell, Jill Henault, Santosh K Panda, Jeffrey M Riggs, Roland Kolbeck, Miguel A Sanjuan
Autoantibodies of the IgG subclass are pathogenic in a number of autoimmune disorders such as systemic lupus erythomatosus. The presence of circulating IgE autoantibodies in autoimmune patients has also been known for almost 40 years. Despite their role in allergies, IgE autoantibodies are not associated with a higher rate of atopy in these patients. However, recently they have been recognized as active drivers of autoimmunity through mechanisms involving the secretion of Type I interferons by plasmacytoid dendritic cells (pDC), the recruitment of basophils to lymph nodes, and the activation of adaptive immune responses through B and T cells...
February 2017: Autoimmunity
https://www.readbyqxmd.com/read/28159565/postoperative-pain-after-conventional-laparoscopic-versus-single-port-sleeve-gastrectomy-a-prospective-randomized-controlled-pilot-study
#16
Salvador Morales-Conde, Isaías Alarcón Del Agua, Antonio Barranco Moreno, María Socas Macías
BACKGROUND: Laparoscopic approach is the gold standard for surgical treatment of morbid obesity. The single-port (SP) approach has been demonstrated to be a safe and effective technique for the treatment of morbid obesity in several case control studies. OBJECTIVES: Compare conventional multiport laparoscopy (LAP) with an SP approach for the treatment of morbid obesity using sleeve gastrectomy in terms of postoperative pain using a visual analog scale (VAS) 0-100, surgical outcome, weight loss, and aesthetical satisfaction at 6 months after surgery...
November 17, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28158234/yes1-signaling-mediates-the-resistance-to-trastuzumab-lap-atinib-in-breast-cancer
#17
Tatsuaki Takeda, Hiromasa Yamamoto, Hirotaka Kanzaki, Ken Suzawa, Takahiro Yoshioka, Shuta Tomida, Xiaojiang Cui, Ramachandran Murali, Kei Namba, Hiroki Sato, Hidejiro Torigoe, Mototsugu Watanabe, Kazuhiko Shien, Junichi Soh, Hiroaki Asano, Kazunori Tsukuda, Yoshihisa Kitamura, Shinichiro Miyoshi, Toshiaki Sendo, Shinichi Toyooka
BACKGROUND: Overexpression of human epidermal growth factor receptor 2 (HER2) is observed in approximately 15-23% of breast cancers and these cancers are classified as HER2-positive breast cancer. Trastuzumab is the first-line targeted therapeutic drug for HER2-positive breast cancer and has improved patient overall survival. However, acquired resistance to trastuzumab is still a critical issue in breast cancer treatment. We previously established a trastuzumab-resistant breast cancer cell line (named as BT-474-R) from a trastuzumab-sensitive HER2-amplified cell line BT-474...
2017: PloS One
https://www.readbyqxmd.com/read/28154576/regulatory-shifts-in-plastid-transcription-play-a-key-role-in-morphological-conversions-of-plastids-during-plant-development
#18
REVIEW
Monique Liebers, Björn Grübler, Fabien Chevalier, Silva Lerbs-Mache, Livia Merendino, Robert Blanvillain, Thomas Pfannschmidt
Plastids display a high morphological and functional diversity. Starting from an undifferentiated small proplastid, these plant cell organelles can develop into four major forms: etioplasts in the dark, chloroplasts in green tissues, chromoplasts in colored flowers and fruits and amyloplasts in roots. The various forms are interconvertible into each other depending on tissue context and respective environmental condition. Research of the last two decades uncovered that each plastid type contains its own specific proteome that can be highly different from that of the other types...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28149875/protection-against-lupus-like-inflammatory-disease-is-in-the-lap-of-non-canonical-autophagy
#19
EDITORIAL
Thomas Scambler, Conor Feeley, Michael F McDermott
No abstract text is available yet for this article.
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28149196/transporting-children-in-cars-and-the-use-of-child-safety-restraint-systems
#20
Allan Quadros Garcês, Igor Bonifacio Andrade Coimbra, Diego Salvador Muniz DA Silva
OBJECTIVE: To evaluate the transport of children in automobiles and the use of child restraints systems (CRS). METHODS: This is a transversal descriptive study which included 200 vehicle drivers who carried 0-10 year old children in the city of São Luis, MA, Brazil. The drivers' passengers' and children's features were properly identified. The children's transportation using CRS were analyzed according to the Resolution 277/8 of the Brazilian National Traffic Department...
September 2016: Acta Ortopedica Brasileira
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