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Hui Zhao, Nainan Hei, Yiling Wu, Winston Chan, Xiudong Lei, Carrie Cameron, Shine Chang, Mariana Chavez-MacGregor, Sharon H Giordano
BACKGROUND: The National Surgical Adjuvant Breast and Bowel Project B35 and International Breast Cancer Intervention Studies II Ductal Carcinoma In Situ trials showed similar treatment effects of anastrozole and tamoxifen in reducing cancer recurrence risk among ductal carcinoma in situ (DCIS) patients. Studies have shown low levels of hormone therapy drug initiation for DCIS patients, but the current body of literature lacks information on the 5-year adherence rates for these drugs from population-based studies...
October 25, 2016: Cancer
Wei-Hung Chan, Meei-Shyuan Lee, Chin Lin, Chang-Chieh Wu, Hou-Chuan Lai, Shun-Ming Chan, Chueng-He Lu, Chen-Hwan Cherng, Zhi-Fu Wu
We conducted a retrospective study to investigate the anesthesia-controlled time and factors that contribute to prolonged extubation in open colorectal surgery. Using our hospital database, demographic data, various time intervals (waiting for anesthesia time, anesthesia time, surgical time, emergence time, exit from operating room after extubation, total operating room time, and post-anesthesia care unit stay time), and incidence of prolonged extubation (≥ 15 mins), were compared between patients who received desflurane/fentanyl-based anesthesia and total intravenous anesthesia via target-controlled infusion with fentanyl/propofol...
2016: PloS One
Jennifer R Honda, Nabeeh A Hasan, Rebecca M Davidson, Myra D Williams, L Elaine Epperson, Paul R Reynolds, Terry Smith, Elena Iakhiaeva, Matthew J Bankowski, Richard J Wallace, Edward D Chan, Joseph O Falkinham, Michael Strong
Lung disease caused by nontuberculous mycobacteria (NTM) is an emerging infectious disease of global significance. Epidemiologic studies have shown the Hawaiian Islands have the highest prevalence of NTM lung infections in the United States. However, potential environmental reservoirs and species diversity have not been characterized. In this cross-sectional study, we describe molecular and phylogenetic comparisons of NTM isolated from 172 household plumbing biofilms and soil samples from 62 non-patient households and 15 respiratory specimens...
October 2016: PLoS Neglected Tropical Diseases
Jong Phil Bak, Young Mi Cho, Inhye Kim, Dae Won Park, Jung Eun Kwon, Yong Joon Jeong, Jong Hwan Kwak, Se Chan Kang
Anemarrhena asphodeloides is known to suppress inflammation and lower various fevers. To determine the active component of A. asphodeloides, ethanol (EtOH) extract of A. asphodeloides rhizomes was fractionized. The compounds isolated from the dichloromethane (CH2Cl2) soluble fraction were identified as 4'-O-methylnyasol (1), nyasol (2), 3″-methoxynyasol (3), 3″-hydroxy-4″-methoxy-4″-dehydroxynyasol (4), 4-hydroxybenzaldehyde (5), and 4-hydroxyacetophenone (6). The four norlignans (1-4) potently inhibited the release of β-hexosaminidase from immunoglobulin E (IgE)/dinitrophenol-conjugated bovine serum albumin (DNP-BSA)-treated rat basophilic leukemia (RBL)-2H3 and A23187 plus phorbol 12-myristate 13-acetate co-treated isolated rat primary mast cells, as markers of degranulation and histamine release...
October 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Douglas Z Liou, Derek Serna-Gallegos, Joshua L Chan, Jerald Borgella, Shah Akhmerov, Harmik J Soukiasian
Malignant pleural effusions (MPE) are commonly managed with either pleural catheter (PC) or talc pleurodesis (TP). The aim of this study was to compare survival in MPE patients treated with either PC or TP. A retrospective review of our cancer center database was performed. Patients with metastatic cancer and MPE were analyzed. Demographic and clinical data were tabulated and compared. A total of 238 patients with MPE treated by either PC or TP were included. Of these, 79 patients comprised the PC group and 159 the TP group...
October 2016: American Surgeon
Lu Han, Xiong Lu, Menghao Wang, Donglin Gan, Weili Deng, Kefeng Wang, Liming Fang, Kezhi Liu, Chun Wai Chan, Youhong Tang, Lu-Tao Weng, Huipin Yuan
A graphene oxide conductive hydrogel is reported that simultaneously possesses high toughness, self-healability, and self-adhesiveness. Inspired by the adhesion behaviors of mussels, our conductive hydrogel shows self-adhesiveness on various surfaces and soft tissues. The hydrogel can be used as self-adhesive bioelectronics, such as electrical stimulators to regulate cell activity and implantable electrodes for recording in vivo signals.
October 25, 2016: Small
Arnaldo N S Silva, Jordy Coffa, Varsha Menon, Lindsay C Hewitt, Kakoli Das, Yohei Miyagi, Dan Bottomley, Hayley Slaney, Toru Aoyama, Wolfram Mueller, Tomio Arai, Iain B Tan, Niantao Deng, Xiu B Chan, Patrick Tan, Akira Tsuburaya, Kentaro Sakamaki, Jeremy D Hayden, Takaki Yoshikawa, Ilse Zondervan, Suvi Savola, Heike I Grabsch
OBJECTIVE: To establish the gene copy number status of receptor tyrosine kinase (RTK) and downstream signaling (DSS) genes genes in primary gastric cancer (primGC) and matched lymph node metastases (LNmet). BACKGROUND: Evidence suggests that coamplification between RTKs and DSSs and conversion between primGC and LNmet are associated with resistance to targeted therapy. METHODS: DNA from 237 Japanese primGC and 103 matched LNmet was analyzed using a newly developed multiplex ligation-dependent probe amplification (MLPA) probemix to investigate RTK (EGFR, HER2, FGFR2, and MET) and DSS (PIK3CA, KRAS, MYC, and CCNE1) gene copy number status...
October 24, 2016: Annals of Surgery
S H Chen, T M Yue, C P Tsui, K C Chan
Inheriting amorphous atomic structures without crystalline lattices, bulk metallic glasses (BMGs) are known to have superior mechanical properties, such as high strength approaching the ideal value, but are susceptible to catastrophic failures. Understanding the plastic-flow dynamics of BMGs is important for achieving stable plastic flow in order to avoid catastrophic failures, especially under tension, where almost all BMGs demonstrate limited plastic flow with catastrophic failure. Previous findings have shown that the plastic flow of BMGs displays critical dynamics under compression tests, however, the plastic-flow dynamics under tension are still unknown...
October 25, 2016: Scientific Reports
T K Yau, A Chan, P Sy Cheung
INTRODUCTION: The treatment of ductal carcinoma in situ has been widely reported in the western and other Asian countries, but the relevant data in Hong Kong are relatively limited. This study aimed to evaluate the latest detection and treatment pattern for ductal carcinoma in situ in Hong Kong so as to guide planning of future service provision. METHODS: This was a retrospective case series study. A total of 573 patients who registered with the Hong Kong Breast Cancer Registry, and were diagnosed and treated in Hong Kong from January 2001 to December 2011 were reviewed...
October 24, 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
Y Law, Y C Chan, S Wk Cheng
INTRODUCTION: The use of a proximal Palmaz stent is a well-recognised technique to treat proximal endoleak in endovascular aortic repair. This study aimed to report the effectiveness and safety of an intra-operative Palmaz stent for immediate type 1a endoleak in Hong Kong patients. METHODS: This case series was conducted at a tertiary hospital in Hong Kong. In a cohort of 494 patients who underwent infrarenal endovascular aortic repair from July 1999 to September 2015, 12 (2...
October 24, 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
Melissa Shields, Swati Sinkar, WengOnn Chan, John Crompton
PURPOSE: To characterize the clinical features, aetiology and management of ophthalmic symptoms in adult patients with Parinaud syndrome. METHODS: This is a retrospective, non-comparative observational case series. We reviewed 40 consecutive charts of adult patients with the clinical diagnosis of Parinaud syndrome at the Royal Adelaide Hospital Department of Ophthalmology in Adelaide, South Australia, between 1991 and 2016. Charts were reviewed for the following: (1) demographic information, (2) clinical presentation, (3) neuro-ophthalmology signs, (4) aetiology of Parinaud syndrome, and (5) management...
October 24, 2016: Acta Ophthalmologica
Fatemeh Momen-Heravi, Ana Babic, Shelley S Tworoger, Libin Zhang, Kana Wu, Stephanie A Smith-Warner, Shuji Ogino, Andrew T Chan, Jeffrey Meyerhardt, Edward Giovannucci, Charles Fuchs, Eunyoung Cho, Dominique S Michaud, Meir J Stampfer, Yau-Hua Yu, David Kim, Xuehong Zhang
Periodontal diseases including tooth loss might increase systemic inflammation, lead to immune dysregulation, and alter gut microbiota, thereby possibly influencing colorectal carcinogenesis. Few epidemiological studies have examined the association between periodontal diseases and colorectal cancer (CRC) risk. We collected information on the periodontal disease (defined as history of periodontal bone loss) and number of natural teeth in the Nurses' Health Study. A total of 77,443 women were followed since 1992...
October 25, 2016: International Journal of Cancer. Journal International du Cancer
Mariam S Aboian, Jay F Yu, Ayushi Gautam, Chia-Hung Sze, Jeffrey K Yang, Jonathan Chan, Prasheel V Lillaney, Caroline D Jordan, Hee-Jeung Oh, David M Wilson, Anand S Patel, Mark W Wilson, Steven W Hetts
To report a novel method using immobilized DNA within mesh to sequester drugs that have intrinsic DNA binding characteristics directly from flowing blood. DNA binding experiments were carried out in vitro with doxorubicin in saline (PBS solution), porcine serum, and porcine blood. Genomic DNA was used to identify the concentration of DNA that shows optimum binding clearance of doxorubicin from solution. Doxorubicin binding kinetics by DNA enclosed within porous mesh bags was evaluated. Flow model simulating blood flow in the inferior vena cava was used to determine in vitro binding kinetics between doxorubicin and DNA...
December 2016: Biomedical Microdevices
Yung-Mei Chao, You-Lin Tain, Steve Leu, Kay L H Wu, Wei-Chia Lee, Julie Y H Chan
Excessive fructose intake is related to a high prevalence of metabolic syndrome, while little attention has been paid to the impact of maternal high-fructose (HF) intake on the development of metabolic syndrome and organ-specific transcriptome alterations in the offspring. We utilized RNA next-generation sequencing (NGS) technology to analyze the transcriptome expression in four organs (kidney, brain, heart, and urinary bladder) from 1-day, 3-week, and 3-month-old male offspring exposed to maternal HF diet...
October 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
Rajarsi Mandal, Yasin Şenbabaoğlu, Alexis Desrichard, Jonathan J Havel, Martin G Dalin, Nadeem Riaz, Ken-Wing Lee, Ian Ganly, A Ari Hakimi, Timothy A Chan, Luc G T Morris
Recent clinical trials have demonstrated a clear survival advantage in advanced head and neck squamous cell carcinoma (HNSCC) patients treated with immune checkpoint blockade. These emerging results reveal that HNSCC is one of the most promising frontiers for immunotherapy research. However, further progress in head and neck immuno-oncology will require a detailed understanding of the immune infiltrative landscape found in these tumors. We leveraged transcriptome data from 280 tumors profiled by The Cancer Genome Atlas (TCGA) to comprehensively characterize the immune landscape of HNSCC in order to develop a rationale for immunotherapeutic strategies in HNSCC and guide clinical investigation...
October 20, 2016: JCI Insight
V A Fleetwood, J Lusciks, J Poirier, M Hertl, E Y Chan
Background. The PHS increased risk donor (IRD) is underutilized in liver transplantation. We aimed to examine the posttransplant outcomes in recipients of increased-risk organs. Methods. We analyzed 228,040 transplants in the Organ Procurement and Transplantation Network database from 2004 to 2013. Endpoints were graft failure and death. Results were controlled for demographics and comorbidities. Statistical analysis utilized Fisher's test and logistic regression. Results. 58,816 patients were identified (5,534 IRD, 53,282 non-IRD)...
2016: Journal of Transplantation
Christina Gaarslev, Melissa Yee, Georgi Chan, Stephanie Fletcher-Lartey, Rabia Khan
BACKGROUND: Antimicrobial resistance is a public health challenge supplemented by inappropriate prescribing, especially for an upper respiratory tract infection in primary care. Patient/carer expectations have been identified as one of the main drivers for inappropriate antibiotics prescribing by primary care physicians. The aim of this study was to understand who is more likely to expect an antibiotic for an upper respiratory tract infection from their doctor and the reasons underlying it...
2016: Antimicrobial Resistance and Infection Control
Sunny C Y Jeng, Hedy H Y Chan, Evan P Booy, Sean A McKenna, Peter J Unrau
The effective tracking and purification of biological RNAs and RNA protein complexes is currently challenging. One promising strategy to simultaneously address both of these problems is to develop high-affinity RNA aptamers against taggable small molecule fluorophores. RNA Mango is a 39-nucleotide, parallel-stranded G-quadruplex RNA aptamer motif that binds with nanomolar affinity to a set of thiazole orange (TO1) derivatives while simultaneously inducing a 10(3)-fold increase in fluorescence. We find that RNA Mango has a large increase in its thermal stability upon the addition of its TO1-Biotin ligand...
October 24, 2016: RNA
Yong-Kang Yang, Chao Yang, Waipan Chan, Zhaoquan Wang, Katelynn E Deibel, Joel L Pomerantz
The activation of NF-κB downstream of T Cell Receptor (TCR) engagement is a key signaling step required for normal lymphocyte function during the adaptive immune response. During TCR signaling, the adaptor protein Bcl10 is inducibly recruited to the CARD11 scaffold protein as part of a multicomponent complex that induces IKK kinase activity and NF-κB activation. Here we show that a consequence of this recruitment is the TCR-induced conjugation of Bcl10 with linear-linked polyubiquitin chains, to generate the signaling intermediate Lin(Ub)n-Bcl10, which is required for the association of Bcl10 with the NEMO subunit of the IKK complex...
October 24, 2016: Journal of Biological Chemistry
Sandra M Eldridge, Claire L Chan, Michael J Campbell, Christine M Bond, Sally Hopewell, Lehana Thabane, Gillian A Lancaster
No abstract text is available yet for this article.
October 24, 2016: BMJ: British Medical Journal
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