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https://www.readbyqxmd.com/read/29455675/the-function-and-therapeutic-targeting-of-anaplastic-lymphoma-kinase-alk-in-non-small-cell-lung-cancer-nsclc
#1
REVIEW
Brandon Golding, Anita Luu, Robert Jones, Alicia M Viloria-Petit
Lung cancer is the leading cause of death by cancer in North America. A decade ago, genomic rearrangements in the anaplastic lymphoma kinase (ALK) receptor tyrosine kinase were identified in a subset of non-small cell lung carcinoma (NSCLC) patients. Soon after, crizotinib, a small molecule ATP-competitive ALK inhibitor was proven to be more effective than chemotherapy in ALK-positive NSCLC patients. Crizotinib and two other ATP-competitive ALK inhibitors, ceritinib and alectinib, are approved for use as a first-line therapy in these patients, where ALK rearrangement is currently diagnosed by immunohistochemistry and in situ hybridization...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29453646/estimation-of-radionuclide-concentrations-and-average-annual-committed-effective-dose-due-to-ingestion-for-the-population-in-the-red-river-delta-vietnam
#2
Tran Thi Van, Luu Tam Bat, Dang Duc Nhan, Nguyen Hao Quang, Bui Duy Cam, Luu Viet Hung
Radioactivity concentrations of nuclides of the 232 Th and 238 U radioactive chains and 40 K, 90 Sr, 137 Cs, and 239+240 Pu were surveyed for raw and cooked food of the population in the Red River delta region, Vietnam, using α-, γ-spectrometry, and liquid scintillation counting techniques. The concentration of 40 K in the cooked food was the highest compared to those of other radionuclides ranging from (23 ± 5) (rice) to (347 ± 50) Bq kg -1 dw (tofu). The 210 Po concentration in the cooked food ranged from its limit of detection (LOD) of 5 mBq kg -1 dw (rice) to (4...
February 16, 2018: Environmental Management
https://www.readbyqxmd.com/read/29451493/er%C3%AE-promotes-murine-hematopoietic-regeneration-through-the-ire1%C3%AE-mediated-unfolded-protein-response
#3
Richard H Chapple, Tianyuan Hu, Yu-Jung Tseng, Lu Liu, Ayumi Kitano, Victor Luu, Kevin A Hoegenauer, Takao Iwawaki, Qing Li, Daisuke Nakada
Activation of the unfolded protein response (UPR) sustains protein homeostasis (proteostasis) and plays a fundamental role in tissue maintenance and longevity of organisms. Long-range control of UPR activation has been demonstrated in invertebrates, but such mechanisms in mammals remain elusive. Here, we show that the female sex hormone estrogen regulates the UPR in hematopoietic stem cells (HSCs). Estrogen treatment increases the capacity of HSCs to regenerate the hematopoietic system upon transplantation and accelerates regeneration after irradiation...
February 16, 2018: ELife
https://www.readbyqxmd.com/read/29450205/revision-surgery-after-cartilage-repair-data-from-the-german-cartilage-registry-knorpelregister-dgou
#4
Jan M Pestka, Nam H Luu, Norbert P Südkamp, Peter Angele, Gunther Spahn, Wolfgang Zinser, Philipp Niemeyer
Background: Various operative strategies have been introduced to restore the integrity of articular cartilage when injured. The frequency of revision surgery after cartilage regenerative surgery remains incompletely understood. Purpose/Hypothesis: The purpose of this study was to identify the reasons for revision surgery after cartilage regenerative surgery of the knee. We hypothesized that in a large patient cohort, revision rates would differ from those in the current literature...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29445164/inactivation-of-trpm7-kinase-in-mice-results-in-enlarged-spleens-reduced-t-cell-proliferation-and-diminished-store-operated-calcium-entry
#5
Pavani Beesetty, Krystyna B Wieczerzak, Jennifer N Gibson, Taku Kaitsuka, Charles Tuan Luu, Masayuki Matsushita, J Ashot Kozak
T lymphocytes enlarge (blast) and proliferate in response to antigens in a multistep program that involves obligatory cytosolic calcium elevations. Store-operated calcium entry (SOCE) pathway is the primary source of Ca 2+ in these cells. Here, we describe a novel modulator of blastogenesis, proliferation and SOCE: the TRPM7 channel kinase. TRPM7 kinase-dead (KD) K1646R knock-in mice exhibited splenomegaly and impaired blastogenic responses elicited by PMA/ionomycin or anti-CD3/CD28 antibodies. Splenic T-cell proliferation in vitro was weaker in the mutant compared to wildtype littermates...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29434227/the-nlrp3-inflammasome-may-contribute-to-pathologic-neovascularization-in-the-advanced-stages-of-diabetic-retinopathy
#6
Shyam S Chaurasia, Rayne R Lim, Bhav H Parikh, Yeo Sia Wey, Bo Bo Tun, Tien Yin Wong, Chi D Luu, Rupesh Agrawal, Arkasubhra Ghosh, Alessandra Mortellaro, Elizabeth Rackoczy, Rajiv R Mohan, Veluchamy A Barathi
Diabetic retinopathy (DR) is a retinal microvascular disease characterized by inflammatory and angiogenic pathways. In this study, we evaluated NLRP3 inflammasome in a double transgenic mouse model, Akimba (Ins2 Akita xVEGF +/- ), which demonstrates hyperglycemia, vascular hyperpermeability and neovascularization seen in the proliferative DR. Retinal structural integrity, vascular leakage and function were examined by fundus photography, fluorescein angiography, optical coherence tomography, retinal flat mounts, laser speckle flowgraphy (LSFG), and electroretinography in Akimba and its parental strains, Akita (Ins2 Akita ) and Kimba (trVEGF029) mice...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29431443/quantum-chemical-and-statistical-rate-theory-studies-of-the-vinyl-hydroperoxides-formed-in-trans-2-butene-and-2-3-dimethyl-2-butene-ozonolysis
#7
Keith T Kuwata, Lina Luu, Alexander B Weberg, Ke Huang, Austin J Parsons, Liam A Peebles, Nathan B Rackstraw, Min Ji Kim
The vinyl hydroperoxide (VHP), the major isomerization product of the syn-alkyl Criegee intermediate (CI) formed in alkene ozonolysis, is a direct precursor of hydroxyl radical (OH), the most important oxidant in the troposphere. While simulations of CI reactivity have usually assumed the VHP to be a prompt and quantitative source of OH, recent quantum chemical studies have revealed subtleties in VHP reactivity such as a barrier to peroxy bond homolysis and a possible rearrangement to a hydroxycarbonyl. In this work, we use M06-L, Weizmann-1 Brueckner Doubles, and equation-of-motion spin-flip coupled-cluster theories to calculate a comprehensive reaction mechanism for the syn and anti conformers of the parent VHP formed in trans-2-butene ozonolysis and the 1-methyl VHP formed in 2,3-dimethyl-2-butene ozonolysis...
February 12, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29417700/postoperative-chemoradiotherapy-in-patients-with-head-and-neck-cancer-aged-70-or-older-with-positive-margins-or-extranodal-extension-and-the-influence-of-nodal-classification
#8
Emi J Yoshida, Michael Luu, John M David, Sungjin Kim, Alain Mita, Kevin Scher, Stephen L Shiao, Mourad Tighiouart, Allen S Ho, Zachary S Zumsteg
BACKGROUND: Postoperative concomitant chemoradiotherapy (CRT) improves outcomes for younger adults with head and neck squamous cell carcinoma (HNSCC) and positive margins or extranodal extension (ENE), but its benefit for older adults is not well established. METHODS: Patients from the National Cancer Data Base (NCDB) with HNSCC undergoing curative-intent resection, neck dissection, and postoperative radiation with positive margins or ENE were identified. RESULTS: This analysis included 1199 patients aged ≥ 70 years with median follow-up of 42...
February 8, 2018: Head & Neck
https://www.readbyqxmd.com/read/29411410/discontinuities-and-disruptions-in-drug-dosage-guidelines-for-the-paediatric-population
#9
Kate M Chitty, Bosco Chan, Camille L Pulanco, Sonya Luu, Oluwaseun Egunsola, Nicholas A Buckley
AIMS: This study investigates paediatric drug dosage guidelines with the aim of investigating their agreement with body surface area (BSA) scaling principles. METHODS: 454 drug dosage guidelines listed in the AMH-CDC 2015 were examined. Data extracted included the administration, frequency and dose per age bracket from 0-18 years. Drug treatments were categorized as follows: 1) The same dose recommendation in milligrams per kilogram (mg/kg) for all age/weights; 2) Change in the mg/kg dosing according to age/weight; 3) Change in dose in mg according to age/weight; 4) Change from mg/kg dosing to a dose in mg according to age/weight; 5) The same recommendation for all age/weight groups in mg or 6) BSA dosing...
February 7, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29391309/role-of-nucleoside-nucleotide-analogues-and-low-dose-hepatitis-b-immune-glob%C3%A3-lin-in-prophylaxis-of-hepatitis-b-recurrence-among-cadaveric-liver-transplant-recipients
#10
Tokunbo Ajayi, Harry Luu, Behnam Saberi, James P Hamilton, Bugra Tolga Konduk, Burak Özşeker, Kawtar Al Khalloufi, Aliaksei Pustavoitau, Benjamin Philosophe, Andrew M Cameron, Ahmet Gürakar
BACKGROUND/AIMS: Hepatitis B core antibody (HBcAb) positivity of the donor or the recipient may pose a risk of hepatitis B virus (HBV) reactivation following liver transplantation (LT). We retrospectively investigated patient survival and reactivation among recipients who were given low-dose Hepatitis B Immune Globulin (HBIG) plus antiviral agent (AV) versus AV only. MATERIALS AND METHODS: Records of cadaveric LT recipients, between 2013 and 2016, with positive Hepatitis B surface Antigen (HBsAg) and/or HBcAb and recipients who had received LT from HBcAb-positive donors were reviewed...
January 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29379015/membrane-bending-occurs-at-all-stages-of-clathrin-coat-assembly-and-defines-endocytic-dynamics
#11
Brandon L Scott, Kem A Sochacki, Shalini T Low-Nam, Elizabeth M Bailey, QuocAhn Luu, Amy Hor, Andrea M Dickey, Steve Smith, Jason G Kerkvliet, Justin W Taraska, Adam D Hoppe
Clathrin-mediated endocytosis (CME) internalizes plasma membrane by reshaping small regions of the cell surface into spherical vesicles. The key mechanistic question of how coat assembly produces membrane curvature has been studied with molecular and cellular structural biology approaches, without direct visualization of the process in living cells; resulting in two competing models for membrane bending. Here we use polarized total internal reflection fluorescence microscopy (pol-TIRF) combined with electron, atomic force, and super-resolution optical microscopy to measure membrane curvature during CME...
January 29, 2018: Nature Communications
https://www.readbyqxmd.com/read/29374856/disparities-in-women-s-cancer-related-quality-of-life-by-southern-appalachian-residence
#12
Ann L Coker, Huong T Luu, Heather M Bush
PURPOSE: The purpose was to determine whether Appalachian residence alone or in combination with violence was linked to poorer quality of life (QOL). METHODS: Women recently diagnosed and included in either the Kentucky or North Carolina Cancer Registries were interviewed by phone between 2009 and 2015 (n = 3320; mean age = 56.74). Response rates were similar by state (40.1 in Kentucky and 40.9% in North Carolina). Appalachian (N = 990) versus non-Appalachian residents (N = 2330) were hypothesized to have poorer QOL defined as (a) lower Functional Assessment of Cancer Therapy-General (FACT-G) scores and (b) more symptoms of depression, stress, or comorbid physical conditions...
January 27, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29369258/health-service-utilization-among-people-with-noncommunicable-diseases-in-rural-vietnam
#13
Hoang Van Minh, Juhwan Oh, Kim Bao Giang, Nguyen Bao Ngoc, Nguyen Minh Hoang, Tran Thi Giang Huong, Nguyen Van Huy, Dinh Thai Son, Jong-Koo Lee, Luu Ngoc Hoat
CONTEXT: Chronic noncommunicable diseases (NCDs) have been shown to be major causes of morbidity and mortality in hospitals for the whole country. OBJECTIVE: This study aims to describe the situation of health service utilization among people with NCDs in a rural area and identify association between the situation of health service utilization among people with chronic diseases and their socioeconomic status. DESIGN: This was a cross-sectional study...
March 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29369254/community-participatory-interventions-to-improve-farmer-knowledge-and-practices-of-household-biogas-unit-operation-in-ha-nam-province-vietnam
#14
Quoc Toan Luu, Mai Huong Nguyen, Hung Nguyen-Viet, Giang Pham, Tung Dinh-Xuan, Lauren E MacDonald, Phuc Pham-Duc
CONTEXT: The use of biogas systems to treat livestock waste is a common practice in Vietnam. However, farmers' knowledge and practices of the safe and appropriate use of household biogas units (HBUs) are still limited and could negatively impact human, animal, and environmental health. OBJECTIVE: To assess the effectiveness of an intervention to improve knowledge and practices of biogas operation among farmers in 2 communes of Ha Nam Province, Vietnam. DESIGN: A community-based intervention approach...
March 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29367047/iron-based-subsurface-arsenic-removal-technologies-by-aeration-a-review-of-the-current-state-and-future-prospects
#15
REVIEW
Vu T Luong, Edgardo E Cañas Kurz, Ulrich Hellriegel, Tran L Luu, Jan Hoinkis, Jochen Bundschuh
Arsenic contamination in groundwater is a critical issue and one that raises great concern around the world as the cause of many negative health impacts on the human body, including internal and external cancers. There are many ways to remove or immobilize arsenic, including membrane technologies, adsorption, sand filtration, ion exchange, and capacitive deionization. These exhibit many different advantages and disadvantages. Among these methods, in-situ subsurface arsenic immobilization by aeration and the subsequent removal of arsenic from the aqueous phase has shown to be very a promising, convenient technology with high treatment efficiency...
January 4, 2018: Water Research
https://www.readbyqxmd.com/read/29362869/antiplatelet-and-anticoagulant-agents-in-vitreoretinal-surgery-a-prospective-multicenter-study-involving-804-patients
#16
Cyril Meillon, Pierre Henry Gabrielle, Maxime Luu, Ludwig S Aho-Glele, Alain M Bron, Catherine Creuzot-Garcher
PURPOSE: To assess the rate of hemorrhagic complications after vitreoretinal surgery and the influence of antithrombotic agents. METHODS: Hemorrhagic complications of vitreoretinal procedures performed in seven ophthalmologic centers on patients treated or not treated with antiplatelet (AP) or anticoagulant (AC) agents were prospectively collected. Patients' characteristics, surgical techniques, and complications were recorded during surgery and for 1 month after...
January 23, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29357517/motor-unit-territories-in-human-genioglossus-estimated-with-multi-channel-intramuscular-electrodes
#17
Billy L Luu, Silvia Muceli, Julian P Saboisky, Dario Farina, Martin Eric Héroux, Lynne E Bilston, Simon C Gandevia, Jane E Butler
The discharge patterns of genioglossus motor units during breathing have been well characterized in previous studies; but their localisation and territories are not known. In this study, we used two newly-developed intramuscular multi-channel electrodes to estimate the territories of genioglossus motor units in the anterior and posterior regions of the muscle. Seven healthy males participated. Each electrode contained 15 bipolar channels, separated by 1 mm, and was inserted percutaneously below the chin, perpendicular to the skin, to a depth of 36 mm...
December 14, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29351917/a-novel-method-for-rapid-molecular-subgrouping-of-medulloblastoma
#18
Soledad Gómez, Alícia Garrido-Garcia, Laura Garcia-Gerique, Isadora Lemos, Mariona Suñol, Carmen de Torres, Marta Kulis, Sara Perez-Jaume, Angel M Carcaboso, Betty Luu, Mark W Kieran, Nada Jabado, Alexey Kozlenkov, Stella Dracheva, Vijay Ramaswamy, Volker Hovestadt, Pascal Johann, David T W Jones, Stefan M Pfister, Andrés Morales La Madrid, Ofelia Cruz, Michael D Taylor, Jose I Martín-Subero, Jaume Mora, Cinzia Lavarino
PURPOSE: The classification of medulloblastoma into WNT, SHH, Group 3 and Group 4 subgroups has become of critical importance for patient risk-stratification and subgroup-tailored clinical trials. Here, we aimed to develop a simplified, clinically applicable classification approach that can be implemented in the majority of centers treating patients with medulloblastoma. EXPERIMENTAL DESIGN: We analyzed 1,577 samples comprising previously published DNA methylation microarray data (913 medulloblastomas, 457 non-medulloblastoma tumors, 85 normal tissues), and 122 frozen and formalin-fixed paraffin-embedded medulloblastoma samples...
January 19, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29345632/brain-machine-interfaces-for-controlling-lower-limb-powered-robotic-systems
#19
Yongtian He, David Eguren, José M Azorín, Robert Grossman, Trieu Phat Luu, Jose Luis Pepe Contreras-Vidal
Lower-limb, powered robotics systems such as exoskeletons and orthoses have emerged as novel robotic interventions to assist or rehabilitate people with walking disabilities. These devices are generally controlled by certain physical maneuvers, for example pressing buttons or shifting body weight. Although effective, these control schemes are not what humans naturally use. The usability and clinical relevance of these robotics systems could be further enhanced by brain-machine interfaces (BMIs). A number of preliminary studies have been published on this topic, but a systematic understanding of the experimental design, tasks, and performance of BMI-exoskeleton systems for restoration of gait is lacking...
January 18, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29344404/unleashing-the-tiger-iatrogenic-autoimmunity-from-cancer-immunotherapy-drugs
#20
Queenie Luu, Gabor Major
Immune checkpoint inhibitors can lead to the development of organ and non-organ specific immune related adverse events.
January 2018: JRSM Open
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