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John Chua

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https://www.readbyqxmd.com/read/28820383/carbapenemase-producing-enterobacteriaceae-and-nonfermentative-bacteria-the-philippines-2013-2016
#1
John Mark Velasco, Maria Theresa Valderama, Trent Peacock, Nirdnoy Warawadee, Kathyleen Nogrado, Fatima Claire Navarro, Domingo Chua, Srijan Apichai, Ruekit Sirigade, Louis R Macareo, Brett Swierczewski
During 2013-2016, we isolated blaNDM- and blaVIM-harboring Enterobacteriaceae and nonfermentative bacteria from patients in the Philippines. Of 130 carbapenem-resistant isolates tested, 45 were Carba NP-positive; 43 harbored blaNDM, and 2 harbored blaVIM. Multidrug-resistant microbial pathogen surveillance and antimicrobial drug stewardship are needed to prevent further spread of New Delhi metallo-β-lactamase variants.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28796588/obinutuzumab-or-rituximab-plus-cyclophosphamide-doxorubicin-vincristine-and-prednisone-in-previously-untreated-diffuse-large-b-cell-lymphoma
#2
Umberto Vitolo, Marek Trněný, David Belada, John M Burke, Angelo Michele Carella, Neil Chua, Pau Abrisqueta, Judit Demeter, Ian Flinn, Xiaonan Hong, Won Seog Kim, Antonio Pinto, Yuan-Kai Shi, Yoichi Tatsumi, Mikkel Z Oestergaard, Michael Wenger, Günter Fingerle-Rowson, Olivier Catalani, Tina Nielsen, Maurizio Martelli, Laurie H Sehn
Purpose Rituximab (R) plus CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone) chemotherapy is the standard of care in previously untreated diffuse large B-cell lymphoma (DLBCL). Obinutuzumab (G) is a glycoengineered, type II, anti-CD20 monoclonal antibody. GOYA was a randomized phase III study that compared G-CHOP with R-CHOP in patients with previously untreated advanced-stage DLBCL. Methods Patients (N = 1,418) were randomly assigned to receive eight 21-day cycles of G (n = 706) or R (n = 712), plus six or eight cycles of CHOP...
August 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28723573/proteomic-and-metabolomic-characterization-of-a-mammalian-cellular-transition-from-quiescence-to-proliferation
#3
Ho-Joon Lee, Mark P Jedrychowski, Arunachalam Vinayagam, Ning Wu, Ng Shyh-Chang, Yanhui Hu, Chua Min-Wen, Jodene K Moore, John M Asara, Costas A Lyssiotis, Norbert Perrimon, Steven P Gygi, Lewis C Cantley, Marc W Kirschner
There exist similarities and differences in metabolism and physiology between normal proliferative cells and tumor cells. Once a cell enters the cell cycle, metabolic machinery is engaged to facilitate various processes. The kinetics and regulation of these metabolic changes have not been properly evaluated. To correlate the orchestration of these processes with the cell cycle, we analyzed the transition from quiescence to proliferation of a non-malignant murine pro-B lymphocyte cell line in response to IL-3...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28704949/surrendered-and-stray-dogs-in-australia-estimation-of-numbers-entering-municipal-pounds-shelters-and-rescue-groups-and-their-outcomes
#4
Diana Chua, Jacquie Rand, John Morton
There is no national system for monitoring numbers of dogs entering municipal council pounds and shelters in Australia, or their outcomes. This limits understanding of the surrendered and stray dog issue, and prevents the evaluation of management strategies. We aimed to estimate these in 2012-2013. Dog intake and outcome data were collected for municipal councils and animal welfare organizations using annual reports, publications, primary peer-reviewed journal articles, websites and direct correspondence. More comprehensive data were obtained for New South Wales, Victoria, South Australia and Australian Capital Territory, whereas it was necessary to impute some or all data for Western Australia, Northern Territory, Queensland and Tasmania, as data were incomplete/unavailable...
July 12, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28624812/extracorporeal-shock-wave-treatment-attenuated-left-ventricular-dysfunction-and-remodeling-in-mini-pig-with-cardiorenal-syndrome
#5
Jiunn-Jye Sheu, Hani E E Ali, Ben-Chung Cheng, Hsin-Ju Chiang, Pei-Hsun Sung, Kuan-Hung Chen, Chih-Chao Yang, Yen-Ta Chen, John Y Chiang, Pao-Yuan Lin, Sarah Chua, Han-Tan Chai, Sheng-Ying Chung, Cheuk-Kwan Sun, Hon-Kan Yip
This study tested the hypothesis that extracorporeal shock wave (ECSW) treatment can improve ischemia-induced left ventricular (LV) dysfunction in mini-pig with co-existing chronic kidney disease (CKD). LV ischemia in mini-pigs was induced by applying an ameroid constrictor over mid-left anterior descending artery (LAD), while model of CKD was established by right nephrectomy with partial ligation of left renal arterioles 2 weeks before LAD constriction. Thirty mini-pigs were randomly divided into group 1 (sham-control), group 2 (LV-ischemia), group 3 (LV-ischemia + CKD), Group 4 [LV-ischemia + ECSW (applied 1200 shots at 0...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624625/a-formalin-fixed-paraffin-embedded-ffpe-based-prognostic-signature-to-predict-metastasis-in-clinically-low-risk-stage-i-ii-microsatellite-stable-colorectal-cancer
#6
Yee Syuen Low, Christopher Blöcker, John R McPherson, See Aik Tang, Ying Ying Cheng, Joyner Y S Wong, Clarinda Chua, Tony K H Lim, Choong Leong Tang, Min Hoe Chew, Patrick Tan, Iain B Tan, Steven G Rozen, Peh Yean Cheah
Approximately 20% early-stage (I/II) colorectal cancer (CRC) patients develop metastases despite curative surgery. We aim to develop a formalin-fixed and paraffin-embedded (FFPE)-based predictor of metastases in early-stage, clinically-defined low risk, microsatellite-stable (MSS) CRC patients. We considered genome-wide mRNA and miRNA expression and mutation status of 20 genes assayed in 150 fresh-frozen tumours with known metastasis status. We selected 193 genes for further analysis using NanoString nCounter arrays on corresponding FFPE tumours...
September 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28544973/pegylation-of-a-tlr2-agonist-based-vaccine-delivery-system-improves-antigen-trafficking-and-the-magnitude-of-ensuing-antibody-and-cd8-t-cell-responses
#7
Toshiki Sekiya, Junya Yamagishi, John Henry V Gray, Paul G Whitney, Axel Martinelli, Weiguang Zeng, Chinn Yi Wong, Chihiro Sugimoto, David C Jackson, Brendon Y Chua
The lipopeptide R4Pam2Cys is an agonist for toll-like receptor-2 (TLR2), a key pathogen-associated molecular pattern receptor expressed on many antigen-presenting cells such as dendritic cells (DCs). Electrostatic association of R4Pam2Cys with soluble protein antigens significantly enhances their immunogenicity and there is evidence to suggest that reducing the size of suitably adjuvanted-antigen complexes in solution may further improve their immunostimulatory capabilities. In this study, we investigated how incorporation of polyethylene glycol (PEG) into R4Pam2Cys affects the size, activity and efficacy of formed antigen-lipopeptide complexes...
August 2017: Biomaterials
https://www.readbyqxmd.com/read/28384427/primate-resting-postures-constraints-by-foregut-fermentation
#8
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
#9
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
#10
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
#11
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...
June 1, 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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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