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John Chua

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https://www.readbyqxmd.com/read/28384427/primate-resting-postures-constraints-by-foregut-fermentation
#1
Ikki Matsuda, Colin A Chapman, Chua Ying Shi Physilia, John Chih Mun Sha, Marcus Clauss
Although resting is one of the dominant behaviors of foregut-fermenting primates (i.e., colobines), their resting posture has rarely received attention. We hypothesize that colobines are more constrained in their resting position than hindgut-fermenting primates and that colobines assume a sitting resting position for specific reasons. To test this hypothesis, we followed two approaches. First, we observed resting positions in two captive individuals each of eight species and tested whether colobines rested in a sitting position more than other primates...
May 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28344888/pre-emptive-and-therapeutic-adoptive-immunotherapy-for-nasopharyngeal-carcinoma-phenotype-and-effector-function-of-t-cells-impact-on-clinical-response
#2
Corey Smith, Victor Lee, Andrea Schuessler, Leone Beagley, Sweera Rehan, Janice Tsang, Vivian Li, Randal Tiu, David Smith, Michelle A Neller, Katherine K Matthews, Emma Gostick, David A Price, Jacqueline Burrows, Glen M Boyle, Daniel Chua, Benedict Panizza, Sandro V Porceddu, John Nicholls, Dora Kwong, Rajiv Khanna
Adoptive T cell therapy has emerged as a powerful strategy to treat human cancers especially haematological malignancies. Extension of these therapies to solid cancers remains a significant challenge especially in the context of defining immunological correlates of clinical responses. Here we describe results from a clinical study investigating autologous Epstein-Barr virus (EBV)-specific T cells generated using a novel AdE1-LMPpoly vector to treat patients with nasopharyngeal carcinoma (NPC) either pre-emptively in at-risk patients with no or minimal residual disease (N/MRD) or therapeutically in patients with active recurrent/metastatic disease (ARMD)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28339478/morphological-and-morphometric-specializations-of-the-lung-of-the-andean-goose-chloephaga-melanoptera-a-lifelong-high-altitude-resident
#3
John N Maina, Kevin G McCracken, Beverly Chua, Julia M York, William K Milsom
High altitude flight in rarefied, extremely cold and hypoxic air is a very challenging activity. Only a few species of birds can achieve it. Hitherto, the structure of the lungs of such birds has not been studied. This is because of the rarity of such species and the challenges of preparing well-fixed lung tissue. Here, it was posited that in addition to the now proven physiological adaptations, high altitude flying birds will also have acquired pulmonary structural adaptations that enable them to obtain the large amounts of oxygen (O2) needed for flight at high elevation, an environment where O2 levels are very low...
2017: PloS One
https://www.readbyqxmd.com/read/28262348/combined-diagnostic-performance-of-coronary-computed-tomography-angiography-and-computed-tomography-derived-fractional-flow-reserve-for-the-evaluation-of-myocardial-ischemia-a-meta-analysis
#4
Xiao Wei Tan, Qishi Zheng, Luming Shi, Fei Gao, John Carson Allen, Adriaan Coenen, Stefan Baumann, U Joseph Schoepf, Ghassan S Kassab, Soo Teik Lim, Aaron Sung Lung Wong, Jack Wei Chieh Tan, Khung Keong Yeo, Chee Tang Chin, Kay Woon Ho, Swee Yaw Tan, Terrance Siang Jin Chua, Edwin Shih Yen Chan, Ru San Tan, Liang Zhong
BACKGROUND: To evaluate the combined diagnostic accuracy of coronary computed tomography angiography (CCTA) and computed tomography derived fractional flow reserve (FFRct) in patients with suspected or known coronary artery disease (CAD). METHODS: PubMed, The Cochrane library, Embase and OpenGray were searched to identify studies comparing diagnostic accuracy of CCTA and FFRct. Diagnostic test measurements of FFRct were either extracted directly from the published papers or calculated from provided information...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28207978/glomerular-c4d-deposits-can-mark-structural-capillary-wall-remodelling-in-thrombotic-microangiopathy-and-transplant-glomerulopathy-c4d-beyond-active-antibody-mediated-injury-a-retrospective-study
#5
Adil H Gasim, Jamie S Chua, Ron Wolterbeek, John Schmitz, Eric Weimer, Harsharan K Singh, Volker Nickeleit
Peritubular capillary C4d (ptc-C4d) usually marks active antibody-mediated rejection, while pseudolinear glomerular capillary C4d (GBM-C4d) is of undetermined diagnostic significance, especially when seen in isolation without concurrent ptc-C4d. We correlated GBM-C4d with structural GBM abnormalities and active antibody-mediated rejection in 319 renal transplant and 35 control native kidney biopsies. In kidney transplants, ptc-C4d was associated with GBM-C4d in 97% by immunofluorescence microscopy (IF) and 61% by immunohistochemistry (IHC; P < 0...
February 16, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28197373/systemic-activation-of-antigen-presenting-cells-via-rna-loaded-nanoparticles
#6
Elias J Sayour, Gabriel De Leon, Christina Pham, Adam Grippin, Hanna Kemeny, Joshua Chua, Jianping Huang, John H Sampson, Luis Sanchez-Perez, Catherine Flores, Duane A Mitchell
While RNA-pulsed dendritic cell (DC) vaccines have shown promise, the advancement of cellular therapeutics is fraught with developmental challenges. To circumvent the challenges of cellular immunotherapeutics, we developed clinically translatable nanoliposomes that can be combined with tumor-derived RNA to generate personalized tumor RNA-nanoparticles (NPs) with considerable scale-up capacity. RNA-NPs bypass MHC restriction, are amenable to central distribution, and can provide near immediate immune induction...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28138211/incidence-of-intraocular-pressure-elevation-following-intravitreal-ranibizumab-lucentis-for-age-related-macular-degeneration
#7
Gustavo Msm Reis, John Grigg, Brian Chua, Anne Lee, Ridia Lim, Ralph Higgins, Alessandra Martins, Ivan Goldberg, Colin I Clement
AIM: The aim of this article is to evaluate the rate of patients developing sustained elevated intraocular pressure (IOP) after ranibizumab (Lucentis) intravitreal (IVT) injections. DESIGN: This is a retrospective study. PARTICIPANTS: Charts of 192 consecutive patients receiving Lucentis for age-related macular degeneration (AMD) were retrospectively reviewed. MATERIALS AND METHODS: We enrolled patients with at least two IOP measurements between injections...
January 2017: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/28106653/outcomes-of-rectovaginal-fistula-repair
#8
Jenifer N Byrnes, Jennifer J Schmitt, Benjamin M Faustich, Kristin C Mara, Amy L Weaver, Heidi K Chua, John A Occhino
OBJECTIVES: Rectovaginal fistulae (RVF) often represent surgical challenges, and treatment must be individualized. We describe outcomes after primary surgical repair stratified by fistula etiology and surgical approach. METHODS: This retrospective cohort study included women who underwent surgical management of RVF at a tertiary care center between July 1, 2001 and December 31, 2013. Cases were stratified according to the following etiology: cancer (RVF-C), inflammatory bowel disease or infectious (RVF-I), and other (RVF-O)...
March 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28068672/genomic-hallmarks-of-localized-non-indolent-prostate-cancer
#9
Michael Fraser, Veronica Y Sabelnykova, Takafumi N Yamaguchi, Lawrence E Heisler, Julie Livingstone, Vincent Huang, Yu-Jia Shiah, Fouad Yousif, Xihui Lin, Andre P Masella, Natalie S Fox, Michael Xie, Stephenie D Prokopec, Alejandro Berlin, Emilie Lalonde, Musaddeque Ahmed, Dominique Trudel, Xuemei Luo, Timothy A Beck, Alice Meng, Junyan Zhang, Alister D'Costa, Robert E Denroche, Haiying Kong, Shadrielle Melijah G Espiritu, Melvin L K Chua, Ada Wong, Taryne Chong, Michelle Sam, Jeremy Johns, Lee Timms, Nicholas B Buchner, Michèle Orain, Valérie Picard, Helène Hovington, Alexander Murison, Ken Kron, Nicholas J Harding, Christine P'ng, Kathleen E Houlahan, Kenneth C Chu, Bryan Lo, Francis Nguyen, Constance H Li, Ren X Sun, Richard de Borja, Christopher I Cooper, Julia F Hopkins, Shaylan K Govind, Clement Fung, Daryl Waggott, Jeffrey Green, Syed Haider, Michelle A Chan-Seng-Yue, Esther Jung, Zhiyuan Wang, Alain Bergeron, Alan Dal Pra, Louis Lacombe, Colin C Collins, Cenk Sahinalp, Mathieu Lupien, Neil E Fleshner, Housheng H He, Yves Fradet, Bernard Tetu, Theodorus van der Kwast, John D McPherson, Robert G Bristow, Paul C Boutros
Prostate tumours are highly variable in their response to therapies, but clinically available prognostic factors can explain only a fraction of this heterogeneity. Here we analysed 200 whole-genome sequences and 277 additional whole-exome sequences from localized, non-indolent prostate tumours with similar clinical risk profiles, and carried out RNA and methylation analyses in a subset. These tumours had a paucity of clinically actionable single nucleotide variants, unlike those seen in metastatic disease. Rather, a significant proportion of tumours harboured recurrent non-coding aberrations, large-scale genomic rearrangements, and alterations in which an inversion repressed transcription within its boundaries...
January 19, 2017: Nature
https://www.readbyqxmd.com/read/27940635/young-people-s-experiences-of-persistent-musculoskeletal-pain-needs-gaps-and-perceptions-about-the-role-of-digital-technologies-to-support-their-co-care-a-qualitative-study
#10
Helen Slater, Joanne E Jordan, Jason Chua, Robert Schütze, John D Wark, Andrew M Briggs
OBJECTIVE: To investigate young people's experiences of persistent musculoskeletal pain, including care needs and current service gaps as well as perceptions about the role of digital technologies to support their co-care. METHODS: A qualitative study employing two independent data collection modes: in-depth individual semistructured interviews and focus groups. SETTING: Community settings throughout Australia. PARTICIPANTS: Participants were included if they had experienced persistent musculoskeletal pain of >3-month duration with an average of ≥3 on the visual analogue scale over the preceding 3 months, including non-specific conditions (eg, low back pain) and specific conditions (eg, juvenile idiopathic arthritis and other systemic arthritides), with/without pre-existing or current diagnosed mental health conditions...
December 9, 2016: BMJ Open
https://www.readbyqxmd.com/read/27846631/prognostic-factors-and-pattern-of-long-term-recovery-with-mlc601-neuroaid%C3%A2-in-the-chinese-medicine-neuroaid-efficacy-on-stroke-recovery-extension-study
#11
Narayanaswamy Venketasubramanian, Chun Fan Lee, Sherry H Young, San San Tay, Thirugnanam Umapathi, Annabelle Y Lao, Herminigildo H Gan, Alejandro C Baroque Ii, Jose C Navarro, Hui Meng Chang, Joel M Advincula, Sombat Muengtaweepongsa, Bernard P L Chan, Carlos L Chua, Nirmala Wijekoon, H Asita de Silva, John Harold B Hiyadan, Nijasri C Suwanwela, K S Lawrence Wong, Niphon Poungvarin, Gaik Bee Eow, Christopher L H Chen
BACKGROUND: The Chinese Medicine NeuroAiD Efficacy on Stroke recovery - Extension (CHIMES-E) study is among the few acute stroke trials with long-term outcome data. We aimed to evaluate the recovery pattern and the influence of prognostic factors on treatment effect of MLC601 over 2 years. METHODS: The CHIMES-E study evaluated the 2 years outcome of subjects aged ≥18 years with acute ischemic stroke, National Institutes of Health Stroke Scale (NIHSS) score 6-14, pre-stroke modified Rankin Scale (mRS) score ≤1 included in a multicenter, randomized, double-blind, placebo-controlled trial of MLC601 for 3 months...
2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27784824/durability-of-the-beneficial-effect-of-mlc601-neuroaid%C3%A2-on-functional-recovery-among-stroke-patients-from-the-philippines-in-the-chimes-and-chimes-e-studies
#12
Jose C Navarro, Christopher Lh Chen, Chun F Lee, Herminigildo H Gan, Annabelle Y Lao, Alejandro C Baroque, John Harold B Hiyadan, Carlos L Chua, Ma Cristina San Jose, Joel M Advincula, Narayanaswamy Venketasubramanian
BACKGROUND AND AIM: A pre-specified country analysis of subjects from the Philippines in the CHInese Medicine NeuroAiD Efficacy on Stroke recovery (CHIMES) Study showed significantly improved functional and neurological outcomes on MLC601 at month (M) 3. We aimed to assess these effects on long-term functional recovery in the Filipino cohort. METHODS: The CHIMES-E (extension) Study evaluated subjects who completed three months of randomized placebo-controlled treatment in CHIMES up to two years...
October 26, 2016: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/27766868/photoadduct-formation-from-the-fmn-singlet-excited-state-in-the-lov2-domain-of-chlamydomonas-reinhardtii-phototropin
#13
Jingyi Zhu, Tilo Mathes, Yusaku Hontani, Maxime T A Alexandre, Kee Chua Toh, Peter Hegemann, John T M Kennis
The two Light, Oxygen, and Voltage domains of phototropin are blue-light photoreceptor domains which control various functions in plants and green algae. The key step of the light-driven reaction is the formation of a photoadduct between its FMN chromophore and a conserved cysteine, where the canonical reaction proceeds through the FMN triplet state. Here, complete photoreaction mapping of CrLOV2 from Chlamydomonas reinhardtii phototropin and AsLOV2 from Avena sativa phototropin-1 was realized by ultrafast broadband spectroscopy from femtoseconds to microseconds...
October 21, 2016: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/27629548/rationale-and-design-of-the-multidisciplinary-team-intervention-in-cardio-oncology-study-titan
#14
Edith Pituskin, Mark Haykowsky, Margaret McNeely, John Mackey, Neil Chua, Ian Paterson
BACKGROUND: Cancer is the leading cause of premature death in Canada. In the last decade, important gains in cancer survival have been achieved by advances in adjuvant treatment. However, many oncologic treatments also result in cardiovascular "toxicity". Furthermore, cardiac risk factors such as hypertension, dyslipidemia, and diabetes mellitus are known to contribute to the progression of cardiac damage and clinical cardiotoxicity. As such, for many survivors, the risk of death from cardiac disease exceeds that of recurrent cancer...
September 15, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27559728/target-product-profile-for-a-diagnostic-assay-to-differentiate-between-bacterial-and-non-bacterial-infections-and-reduce-antimicrobial-overuse-in-resource-limited-settings-an-expert-consensus
#15
Sabine Dittrich, Birkneh Tilahun Tadesse, Francis Moussy, Arlene Chua, Anna Zorzet, Thomas Tängdén, David L Dolinger, Anne-Laure Page, John A Crump, Valerie D'Acremont, Quique Bassat, Yoel Lubell, Paul N Newton, Norbert Heinrich, Timothy J Rodwell, Iveth J González
Acute fever is one of the most common presenting symptoms globally. In order to reduce the empiric use of antimicrobial drugs and improve outcomes, it is essential to improve diagnostic capabilities. In the absence of microbiology facilities in low-income settings, an assay to distinguish bacterial from non-bacterial causes would be a critical first step. To ensure that patient and market needs are met, the requirements of such a test should be specified in a target product profile (TPP). To identify minimal/optimal characteristics for a bacterial vs...
2016: PloS One
https://www.readbyqxmd.com/read/27500074/pathological-relationships-involving-iron-and-myelin-may-constitute-a-shared-mechanism-linking-various-rare-and-common-brain-diseases
#16
Moones Heidari, Sam H Gerami, Brianna Bassett, Ross M Graham, Anita C G Chua, Ritambhara Aryal, Michael J House, Joanna F Collingwood, Conceição Bettencourt, Henry Houlden, Mina Ryten, John K Olynyk, Debbie Trinder, Daniel M Johnstone, Elizabeth A Milward
We previously demonstrated elevated brain iron levels in myelinated structures and associated cells in a hemochromatosis Hfe (-/-) xTfr2 (mut) mouse model. This was accompanied by altered expression of a group of myelin-related genes, including a suite of genes causatively linked to the rare disease family 'neurodegeneration with brain iron accumulation' (NBIA). Expanded data mining and ontological analyses have now identified additional myelin-related transcriptome changes in response to brain iron loading...
2016: Rare Diseases
https://www.readbyqxmd.com/read/27488234/higher-concentrations-of-serum-iron-and-transferrin-saturation-but-not-serum-ferritin-are-associated-with-cancer-outcomes
#17
Anita Cg Chua, Matthew W Knuiman, Debbie Trinder, Mark L Divitini, John K Olynyk
BACKGROUND: Although the carcinogenic potential of iron has been shown, evidence from observational studies that have linked serum iron variables and cancer outcomes has been inconsistent. OBJECTIVE: We investigated whether higher iron concentrations increased risk of cancer outcomes. DESIGN: A prospective examination of iron biomarkers as independent risk factors for cancer was assessed in 1597 men and 1795 women aged 25-79 y who participated in the 1994/1995 Busselton Health Survey and had relevant data, no history of cancer before the survey, and serum ferritin concentrations ≥20 μg/L...
September 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27431749/a-numerical-study-on-flow-and-pollutant-transport-in-singapore-coastal-waters
#18
Ming Xu, Vivien P Chua
Intensive economic and shipping activities in Singapore Strait have caused Singapore coastal waters to be under high risk of water pollution. A nested three-dimensional unstructured-grid SUNTANS model is applied to Singapore coastal waters to simulate flow and pollutant transport. The small domain (~50m resolution) Singapore coastal model is nested within a large domain (~200m resolution) regional model. The nested model is able to predict water surface elevations and velocities with high R(2) values of 0.96 and 0...
October 15, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/27421745/quality-of-harness-fit-for-normal-and-low-birthweight-infants-observed-among-newborns-in-infant-car-seats
#19
Julie Brown, John Kam Hung Sinn, Aileen Chua, Elizabeth Clare Clarke
INTRODUCTION: Child restraint fit is important for crash protection. For newborns, standards universally require a rear-facing restraint and some upper limit on size, but historically there has been no specification of a lower design limit and there is concern over whether low birthweight infants (LBW) are adequately restrained. The aim of this study was to determine the quality of harness fit for newborns of low and normal weight in a range of modern child restraints. METHODS: A convenience sample of infants (1...
April 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/27345636/obinutuzumab-plus-bendamustine-versus-bendamustine-monotherapy-in-patients-with-rituximab-refractory-indolent-non-hodgkin-lymphoma-gadolin-a-randomised-controlled-open-label-multicentre-phase-3-trial
#20
Laurie H Sehn, Neil Chua, Jiri Mayer, Gregg Dueck, Marek Trněný, Kamal Bouabdallah, Nathan Fowler, Vincent Delwail, Oliver Press, Gilles Salles, John Gribben, Anne Lennard, Pieternella J Lugtenburg, Natalie Dimier, Elisabeth Wassner-Fritsch, Günter Fingerle-Rowson, Bruce D Cheson
BACKGROUND: Patients with indolent non-Hodgkin lymphoma who fail to achieve adequate disease control with rituximab-based treatment have few treatment options and a poor prognosis. We aimed to assess a combination of obinutuzumab (GA101), a novel glyco-engineered type II anti-CD20 monoclonal antibody, and bendamustine in this patient population. METHODS: In this open-label, randomised, phase 3 study (GADOLIN), patients aged 18 years or older with histologically documented, CD20-positive indolent non-Hodgkin lymphoma refractory to rituximab were enrolled at 83 hospital and community sites in 14 countries in Europe, Asia, and North and Central America...
August 2016: Lancet Oncology
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