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https://www.readbyqxmd.com/read/28646241/never-forget-a-name-white-matter-connectivity-predicts-person-memory
#1
Athanasia Metoki, Kylie H Alm, Yin Wang, Chi T Ngo, Ingrid R Olson
Through learning and practice, we can acquire numerous skills, ranging from the simple (whistling) to the complex (memorizing operettas in a foreign language). It has been proposed that complex learning requires a network of brain regions that interact with one another via white matter pathways. One candidate white matter pathway, the uncinate fasciculus (UF), has exhibited mixed results for this hypothesis: some studies have shown UF involvement across a range of memory tasks, while other studies report null results...
June 23, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28642158/genetic-diversity-of-environmental-vibrio-cholerae-o1-strains-isolated-in-northern-vietnam
#2
Taichiro Takemura, Kazunori Murase, Fumito Maruyama, Tran Thi Luong, Atsushi Ota, Ichiro Nakagawa, Nguyen Dong Tu, Ngo Tu Cuong, Nguyen Thi Hang, Asako Tokizawa, Masatomo Morita, Makoto Ohnishi, Nguyen Binh Minh, Tetsu Yamashiro
Cholera epidemics have been recorded periodically in Vietnam during the seventh cholera pandemic. Since cholera is a water-borne disease, systematic monitoring of environmental waters for Vibrio cholerae presence is important for predicting and preventing cholera epidemics. We conducted monitoring, isolation, and genetic characterization of V. cholerae strains in Nam Dinh province of Northern Vietnam from Jul 2013 to Feb 2015. In this study, four V. cholerae O1 strains were detected and isolated from 110 analyzed water samples (3...
June 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28633480/a-prospective-examination-of-circulating-tumor-cell-profiles-in-non-small-cell-lung-cancer-molecular-subgroups
#3
C R Lindsay, V Faugeroux, S Michiels, E Pailler, F Facchinetti, D Ou, M V Bluthgen, C Pannet, M Ngo-Camus, G Bescher, C Caramella, F Billiot, J Remon, D Planchard, J-C Soria, B Besse, F Farace
Background: We report the first study examining the clinical, numerical and biological properties of circulating tumor cells (CTCs) according to molecular subtypes of non-small cell lung cancer (NSCLC). Patients and Methods: 125 patients with treatment-naïve stage IIIb-IV NSCLC were prospectively recruited for CellSearch analysis. Anti-vimentin antibody was included for examination of CTCs to assess their mesenchymal character. Associations of total CTCs and vimentin-positive (vim +) CTCs with clinical characteristics, tumor genotype and survival were assessed...
June 19, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28633364/restricted-health-care-entitlements-for-child-migrants-in-europe-and-australia
#4
Liv Stubbe Østergaard, Marie Norredam, Claire Mock-Munoz de Luna, Mitch Blair, Sharon Goldfeld, Anders Hjern
More than 300 000 asylum seeking children were registered in Europe alone during 2015. In this study, we examined entitlements for health care for these and other migrant children in Europe and Australia in a framework based on United Nations Convention of the Rights of the Child (UNCRC). Survey to child health professionals, NGO's and European Ombudspersons for Children in 30 EU/EEA countries and Australia, supplemented by desktop research of official documents. Migrant children were categorised as asylum seekers and irregular/undocumented migrants...
June 14, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28629986/identification-of-influenza-polymerase-inhibitors-targeting-polymerase-pb2-cap-binding-domain-through-virtual-screening
#5
Ming Liu, Edwin Chun-Yeung Lo, Guoxin Wang, Hak-Fun Chow, Jacky Chi-Ki Ngo, David Chi-Cheong Wan, Leo Lit-Man Poon, Pang-Chui Shaw
Influenza A virus is the major cause of epidemics and pandemics worldwide. In this study, virtual screening was used to identify compounds interacting with influenza A polymerase PB2 cap-binding domain (CBD). With a database of 21,351 small molecules, 28 candidate compounds were obtained and four of them (225, 225D1, 426 and 426Br) were found to bind directly to PB2 CBD by surface plasmon resonance (SPR). The evaluation of compounds 426Br and 225 indicated that they could bind to PB2 CBD and inhibit influenza virus at low micromolar concentration...
June 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28629463/how-understanding-and-application-of-drug-related-legal-instruments-affects-harm-reduction-interventions-in-cambodia-a-qualitative-study
#6
Sovannary Tuot, Chanrith Ngin, Khuondyla Pal, Sochenda Sou, Ghazal Sawez, Phylicia Morgan, Mony Srey, Tola Chan, Pheak Chhoun, Olga Golichenko, Sok Chamreun Choub, Siyan Yi
BACKGROUND: Harm reduction interventions in Cambodia face numerous obstacles because of conflicting understanding and interests and inconsistencies in the implementation by law enforcement officials. This study aims to examine how understanding and application of Drug Control Law (DCL) and Village/Commune Safety Policy (VCSP) affects harm reduction interventions in Cambodia from the standpoints of law enforcement officials, people who inject drugs and people who use drugs (PWID/PWUD), as well as other key stakeholders...
June 19, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28628540/evaluating-disability-insurance-assistance-as-a-specific-intervention-by-physiatrists-at-a-cancer-center
#7
Jack B Fu, Melissa P Osborn, Julie K Silver, Benedict S Konzen, An Ngo-Huang, Rajesh Yadav, Eduardo Bruera
Because of their expertise, physiatrists provide disability insurance assistance for cancer survivors. In this brief report, we perform a descriptive retrospective analysis of all new (354) outpatient physiatry consultations from January 1, 2009, to December 31, 2013, at a National Cancer Institute Comprehensive Cancer Center. Disability and/or work accommodations were brought up at some point with the physiatrist during the duration of their care for 131 (37%) of 354 patients. More than 90% of the discussions took place during the first visit...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28627730/does-involvement-of-local-ngos-enhance-public-service-delivery-cautionary-evidence-from-a-malaria-prevention-program-in-india
#8
Ashis Das, Jed Friedman, Eeshani Kandpal
Partnerships between government and non-state actors that aim to enhance the quality or efficiency of service delivery are increasingly common in today's development policy landscape. We investigate the impacts of such an approach using data from an experimental supportive intervention to India's malaria control program that leveraged local non-state capacity in order to promote mosquito net usage and recommended fever care-seeking patterns. The supportive activities were conducted simultaneously by 3 NGOs, contracted out by the Indian government, in 2 endemic districts in the state of Odisha...
June 19, 2017: Health Economics
https://www.readbyqxmd.com/read/28625044/her2-status-and-its-heterogeneity-in-gastric-carcinoma-of-vietnamese-patients
#9
Dang Anh Thu Phan, Vu Thien Nguyen, Thi Ngoc Ha Hua, Quoc Dat Ngo, Thi Phuong Thao Doan, Sao Trung Nguyen, Anh Tu Thai, Van Thanh Nguyen
Background: Human epidermal growth factor receptor 2 (HER2) is related to the pathogenesis and poor outcome of numerous types of carcinomas, including gastric carcinoma. Gastric cancer patients with HER2 positivity have become potential candidates for targeted therapy with trastuzumab. Materials and Methods: We investigated 208 gastric cancer specimens using immunohistochemistry (IHC), fluorescence in situ hybridization and dual in situ hybridization (ISH). We also investigated the concordance between IHC and ISH...
June 19, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28623794/new-thermodynamic-entropy-calculation-based-approach-towards-quantifying-the-impact-of-eutrophication-on-water-environment
#10
Li Luo, Nan Duan, Xiaochang C Wang, Wenshan Guo, Huu Hao Ngo
Although the eutrophication phenomenon has been studied for a long time, there are still no quantifiable parameters available for a comprehensive assessment of its impacts on the water environment. As contamination alters the thermodynamic equilibrium of a water system to a state of imbalance, a novel method was proposed, in this study, for its quantitative evaluation. Based on thermodynamic analyses of the algal growth process, the proposed method targeted, both theoretically and experimentally, the typical algae species encountered in the water environment...
June 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28618355/chemical-constituents-from-the-fruits-of-ligustrum-japonicum-and-their-inhibitory-effects-on-t-cell-activation
#11
Quynh-Mai Thi Ngo, Hyun-Su Lee, Van Thu Nguyen, Jeong Ah Kim, Mi Hee Woo, Byung Sun Min
A previously undescribed nor-dammarane, 3β,20,23-trihydroxy-24,25,26,27-tetranordammarane; three previously undescribed secoiridoid glycosides, ligujaponosides A-B, and iso-oleonuzhenide; and twenty three known compounds, were isolated from the fruits of Ligustrum japonicum Thunb. Their chemical structures were elucidated by extensive spectroscopic analyses, including 1D and 2D NMR, and HRMS. The isolated compounds were screened for immunosuppressive effects on T activated cells by evaluating interleukin-2 (IL-2) production...
June 12, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28614691/a-trial-of-itraconazole-or-amphotericin-b-for-hiv-associated-talaromycosis
#12
RANDOMIZED CONTROLLED TRIAL
Thuy Le, Nguyen Van Kinh, Ngo T K Cuc, Nguyen L N Tung, Nguyen T Lam, Pham T T Thuy, Do D Cuong, Pham T H Phuc, Vu H Vinh, Doan T H Hanh, Vu Van Tam, Nguyen T Thanh, Tran P Thuy, Nguyen T Hang, Hoang B Long, Ho T Nhan, Heiman F L Wertheim, Laura Merson, Cecilia Shikuma, Jeremy N Day, Nguyen V V Chau, Jeremy Farrar, Guy Thwaites, Marcel Wolbers
BACKGROUND: Talaromyces marneffei infection is a major cause of human immunodeficiency virus (HIV)-related death in South and Southeast Asia. Guidelines recommend initial treatment with amphotericin B deoxycholate, but this drug has substantial side effects, a high cost, and limited availability. Itraconazole is available in oral form, is associated with fewer unacceptable side effects than amphotericin, and is widely used in place of amphotericin; however, clinical trials comparing these two treatments are lacking...
June 15, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28614069/pegylated-lipid-bilayer-wrapped-nano-graphene-oxides-for-synergistic-co-delivery-of-doxorubicin-and-rapamycin-to-prevent-drug-resistance-in-cancers
#13
Raj Kumar Thapa, Jeong Hoon Byeon, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Nano-graphene oxide (nGO) is a carbon allotrope studied for its potential as carrier for chemotherapeutic delivery and its photoablation effects. However, interaction of nGO with blood components and the subsequent toxicities warrant a hybrid system for effective cancer drug delivery. Combination chemotherapy aids in effective cancer treatment and prevention of drug resistance. Therefore, in this study, we attempted to prepare polyethylene glycosylated (PEGylated) lipid bilayer-wrapped nGO co-loaded with doxorubicin (DOX) and rapamycin (RAPA), GOLDR, for the prevention and treatment of resistant cancers...
June 14, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28613857/intracellular-transfer-hydrogenation-mediated-by-unprotected-organoiridium-catalysts
#14
Sohini Bose, Anh H Ngo, Loi H Do
In the present work, we show for the first time that the conversion of aldehydes to alcohols can be achieved using "unprotected" iridium transfer hydrogenation catalysts inside living cells. The reactions were observed in real time by confocal fluorescence microscopy using a Bodipy fluorogenic substrate. We propose that the reduced cofactor nicotinamide adenine dinucleotide (NADH) is a possible hydride source inside the cell based on studies using pyruvate as a cellular redox modulator. We expect that this biocompatible reductive chemistry will be broadly useful to practitioners working at the interface of chemistry and the life sciences...
June 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28609330/age-modulates-physiological-responses-during-fan-use-under-extreme-heat-and-humidity
#15
Daniel Gagnon, Steven A Romero, Matthew N Cramer, Ken Kouda, Paula Ys Poh, Hai Ngo, Ollie Jay, Craig G Crandall
PURPOSE: We examined the effect of electric fan use on cardiovascular and thermoregulatory responses of nine young (26 ± 3 years) and nine aged (68 ± 4 years) adults exposed to extreme heat and humidity. METHODS: While resting at a temperature of 42°C, relative humidity increased from 30 to 70% in 2% increments every 5 minutes. On randomized days, the protocol was repeated without or with fan use. Heart rate (HR), core (Tcore) and mean skin (Tsk) temperatures were measured continuously...
June 12, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28608018/surgical-human-resources-according-to-types-of-health-care-facility-an-assessment-in-low-and-middle-income-countries
#16
Shirwa Sheik Ali, Zahra Jaffry, Meena N Cherian, Teena Kunjumen, Annette M Nkwowane, Andrew J M Leather, Hernan Montenegro Von Muhlenbrock, Edward Kelley, James Campbell
BACKGROUND: A robust health care system providing safe surgical care to a population can only be achieved in conjunction with access to competent surgical personnel. It has been reported that 5 billion people do not have access to safe, affordable surgical and anaesthesia care when needed. This study aims to fill the existing gap in evidence by quantifying shortfalls in trained personnel delivering safe surgical and anaesthetic care in low- and middle-income countries (LMICs) according to the type of health care facility...
June 12, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28603549/current-situations-and-future-directions-for-mental-health-system-governance-in-nepal-findings-from-a-qualitative-study
#17
Nawaraj Upadhaya, Mark J D Jordans, Ruja Pokhrel, Dristy Gurung, Ramesh P Adhikari, Inge Petersen, Ivan H Komproe
BACKGROUND: Assessing and understanding health systems governance is crucial to ensure accountability and transparency, and to improve the performance of mental health systems. There is a lack of systematic procedures to assess governance in mental health systems at a country level. The aim of this study was to appraise mental health systems governance in Nepal, with the view to making recommendations for improvements. METHODS: In-depth individual interviews were conducted with national-level policymakers (n = 17) and district-level planners (n = 11)...
2017: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28601779/determining-oxygen-relaxations-at-an-interface-a-comparative-study-between-transmission-electron-microscopy-techniques
#18
N Gauquelin, K H W van den Bos, A Béché, F F Krause, I Lobato, S Lazar, A Rosenauer, S Van Aert, J Verbeeck
Nowadays, aberration corrected transmission electron microscopy (TEM) is a popular method to characterise nanomaterials at the atomic scale. Here, atomically resolved images of nanomaterials are acquired, where the contrast depends on the illumination, imaging and detector conditions of the microscope. Visualization of light elements is possible when using low angle annular dark field (LAADF) STEM, annular bright field (ABF) STEM, integrated differential phase contrast (iDPC) STEM, negative spherical aberration imaging (NCSI) and imaging STEM (ISTEM)...
June 3, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28600291/sphingosine-1-phosphate-lyase-enhances-the-activation-of-ikk%C3%AE%C2%B5-to-promote-type-i-ifn-mediated-innate-immune-responses-to-influenza-a-virus-infection
#19
Madhuvanthi Vijayan, Chuan Xia, Yul Eum Song, Hanh Ngo, Caleb J Studstill, Kelly Drews, Todd E Fox, Marc C Johnson, John Hiscott, Mark Kester, Stephen Alexander, Bumsuk Hahm
Sphingosine 1-phosphate (S1P) lyase (SPL) is an intracellular enzyme that mediates the irreversible degradation of the bioactive lipid S1P. We have previously reported that overexpressed SPL displays anti-influenza viral activity; however, the underlying mechanism is incompletely understood. In this study, we demonstrate that SPL functions as a positive regulator of IKKε to propel type I IFN-mediated innate immune responses against viral infection. Exogenous SPL expression inhibited influenza A virus replication, which correlated with an increase in type I IFN production and IFN-stimulated gene accumulation upon infection...
June 9, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28599321/first-detection-of-foot-and-mouth-disease-virus-o-ind-2001d-in-vietnam
#20
Le T Vu, Ngo T Long, Barbara Brito, Carolina Stenfeldt, Nguyen T Phuong, Bui H Hoang, Steven J Pauszek, Ethan J Hartwig, George R Smoliga, Pham P Vu, Le T V Quang, Vo V Hung, Nguyen D Tho, Pham V Dong, Phan Q Minh, Miranda Bertram, Ian H Fish, Luis L Rodriguez, Do H Dung, Jonathan Arzt
In recent years, foot-and-mouth disease virus (FMDV) serotype O, topotype Middle East-South Asia (ME-SA), lineage Ind-2001d has spread from the Indian subcontinent to the Middle East, North Africa, and Southeast Asia. In the current report, we describe the first detection of this lineage in Vietnam in May, 2015 in Đắk Nông province. Three subsequent outbreaks caused by genetically related viruses occurred between May-October, 2015 after which the virus was not detected in clinical outbreaks for at least 15 subsequent months...
2017: PloS One
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