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Alfred lee

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https://www.readbyqxmd.com/read/27908880/an-anti-cd3-anti-cll-1-bispecific-antibody-for-the-treatment-of-acute-myeloid-leukemia
#1
Steven R Leong, Siddharth Sukumaran, Maria Hristopoulos, Klara Totpal, Shannon Stainton, Elizabeth Lu, Alfred Wong, Lucinda Tam, Robert Newman, Brian R Vuillemenot, Diego Ellerman, Chen Gu, Mary Mathieu, Mark S Dennis, Allen Nguyen, Bing Zheng, Crystal Zhang, Genee Lee, Yu-Waye Chu, Rodney A Prell, Kedan Lin, Steven T Laing, Andrew G Polson
Acute myeloid leukemia (AML) is major unmet medical need. Most patients have poor long-term survival and treatment has not significantly changed in 40 years. Recently, bispecific antibodies that redirect the cytotoxic activity of effector T-cells by binding to CD3, the signaling component of the T-cell receptor, and a tumor target have shown clinical activity. Notably, blinatumomab is approved to treat relapsed/refractory acute lymphoid leukemia. Here we describe the design, discovery, pharmacological activity, pharmacokinetics, and safety of a CD3 T-cell-dependent bispecific (TDB) full-length human IgG1 therapeutic antibody targeting CLL-1 that could potentially be used in humans to treat AML...
December 1, 2016: Blood
https://www.readbyqxmd.com/read/27897140/agins2-quantum-dots-for-the-detection-of-trinitrotoluene
#2
Alfred J Baca, Heather A Meylemans, Lawrence Baldwin, Lee R Cambrea, Ji Feng, Yadong Yin, M Joseph Roberts
AgInS2 (AIS) quantum dots (QDs) were synthesized via a thermal decomposition reaction with dodecylamine as the ligand to help stabilize the QDs. This reaction procedure is relatively easy to implement, scalable to large batches (up to hundreds of milligrams of QDs are produced), and a convenient method for the synthesis of chalcogenide QDs. Metal powders of AgNO3 and In(NO3)3, were used as the metal precursors while diethyldithiocarbamate was used as the sulfur source. The AIS QDs were characterized via transmission electron microscopy, atomic force microscopy, and energy dispersive x-ray spectroscopy...
November 29, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27887955/treatment-of-hypereosinophilic-syndrome-with-cutaneous-involvement-with-the-jak-inhibitors-tofacitinib-and-ruxolitinib
#3
Brett King, Alfred Ian Lee, Jaehyuk Choi
No abstract text is available yet for this article.
November 22, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27878822/wide-variations-in-blood-product-transfusion-practices-among-providers-who-care-for-patients-with-acute-leukemia-in-the-united-states
#4
Alexander B Pine, Eun-Ju Lee, Mikkael Sekeres, David P Steensma, Daniel Zelterman, Thomas Prebet, Amy DeZern, Rami Komrokji, Mark Litzow, Selina Luger, Richard Stone, Harry P Erba, Guillermo Garcia-Manero, Alfred I Lee, Nikolai A Podoltsev, Lisa Barbarotta, Stephanie Kasberg, Jeanne E Hendrickson, Steven D Gore, Amer M Zeidan
BACKGROUND: Transfusion of blood products is a key component of the supportive management in patients with acute leukemia (AL). However high-quality trial evidence and clinical outcome data to support specific transfusion goals for blood products for patients with AL remain limited leading to diverse transfusion practices. The primary objective of this study was to determine the spectrum of transfusion patterns in a variety of care settings among providers who treat AL patients. STUDY DESIGN AND METHODS: A 31-question survey queried providers caring for AL patients about the existence of institutional guidelines for transfusion of blood products, transfusion triggers for hemoglobin (Hb), platelets (PLTs), and fibrinogen in various settings including inpatient and outpatient and before procedures...
November 22, 2016: Transfusion
https://www.readbyqxmd.com/read/27870886/comparative-genomics-revealed-multiple-helicobacter-pylori-genes-associated-with-biofilm-formation-in-vitro
#5
Eric Hong Jian Wong, Chow Goon Ng, Eng Guan Chua, Alfred Chin Yen Tay, Fanny Peters, Barry J Marshall, Bow Ho, Khean Lee Goh, Jamuna Vadivelu, Mun Fai Loke
BACKGROUND: Biofilm formation by Helicobacter pylori may be one of the factors influencing eradication outcome. However, genetic differences between good and poor biofilm forming strains have not been studied. MATERIALS AND METHODS: Biofilm yield of 32 Helicobacter pylori strains (standard strain and 31 clinical strains) were determined by crystal-violet assay and grouped into poor, moderate and good biofilm forming groups. Whole genome sequencing of these 32 clinical strains was performed on the Illumina MiSeq platform...
2016: PloS One
https://www.readbyqxmd.com/read/27866576/thrombocytopenia
#6
REVIEW
Eun-Ju Lee, Alfred Ian Lee
Thrombocytopenia is a commonly encountered hematologic problem in inpatient and ambulatory medicine. The many underlying mechanisms of thrombocytopenia include pseudothrombocytopenia, splenic sequestration, and marrow underproduction and destruction. This article presents the known causes of thrombocytopenia, a framework for evaluation, and brief descriptions of management in a case-based format.
December 2016: Primary Care
https://www.readbyqxmd.com/read/27861463/promoting-healthy-eating-and-active-playtime-by-connecting-to-nature-families-with-preschool-children-evaluation-of-pilot-study-play-grow
#7
Tanja Sobko, Zhenzhen Jia, Matthew Kaplan, Alfred Lee, Chia-Huei Tseng
BackgroundThis pilot project aimed to evaluate the "Play&Grow" program which promotes age-appropriate dietary habits and playtime healthy routines through "connectedness to nature" experiences in Hong Kong families with young children.Method38 pre-schoolers (aged 33.97 ± 9.38 months), mothers and their domestic workers were recruited. The families attended one workshop/week for a 4-month period, consisting of: 1) health topic; 2) food games; 3) nature-related outdoor activities.ResultsFeeding practices, particularly Promoting and Encouragement to eat (PE) and Instrumental Feeding (IF) improved after the intervention (p =...
November 18, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27829463/frequency-and-predictors-of-the-lupus-low-disease-activity-state-in-a-multi-national-and-multi-ethnic-cohort
#8
Vera Golder, Rangi Kandane-Rathnayake, Alberta Yik-Bun Hoi, Molla Huq, Worawit Louthrenoo, Yuan An, Zhan Guo Li, Shue Fen Luo, Sargunan Sockalingam, Chak Sing Lau, Alfred Lok Lee, Mo Yin Mok, Aisha Lateef, Kate Franklyn, Susan Morton, Sandra Teresa V Navarra, Leonid Zamora, Yeong-Jian Wu, Laniyati Hamijoyo, Madelynn Chan, Sean O'Neill, Fiona Goldblatt, Eric Francis Morand, Mandana Nikpour
BACKGROUND: Systemic lupus erythematosus (SLE) is a chronic heterogeneous disease with considerable burden from disease activity and damage. A novel clinical treatment target in the form of the lupus low disease activity state (LLDAS) has been recently reported, with retrospective validation showing that time spent in LLDAS translates to reduced damage accrual. The objectives of this study were to describe the frequency and identify the predictors of attaining LLDAS in a large multinational cohort of patients with SLE...
November 9, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27793011/metastasis-suppressing-nid2-an-epigenetically-silenced-gene-in-the-pathogenesis-of-nasopharyngeal-carcinoma-and-esophageal-squamous-cell-carcinoma
#9
Annie Wai Yeeng Chai, Arthur Kwok Leung Cheung, Wei Dai, Josephine Mun Yee Ko, Joseph Chok Yan Ip, Kwok Wah Chan, Dora Lai-Wan Kwong, Wai Tong Ng, Anne Wing Mui Lee, Roger Kai Cheong Ngan, Chun Chung Yau, Stewart Yuk Tung, Victor Ho Fun Lee, Alfred King-Yin Lam, Suja Pillai, Simon Law, Maria Li Lung
Nidogen-2 (NID2) is a key component of the basement membrane that stabilizes the extracellular matrix (ECM) network. The aim of the study is to analyze the functional roles of NID2 in the pathogenesis of nasopharyngeal carcinoma (NPC) and esophageal squamous cell carcinoma (ESCC). We performed genome-wide methylation profiling of NPC and ESCC and validated our findings using the methylation-sensitive high-resolution melting (MS-HRM) assay. Results showed that promoter methylation of NID2 was significantly higher in NPC and ESCC samples than in their adjacent non-cancer counterparts...
October 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27779965/management-of-completion-and-total-thyroidectomy-patients-based-on-1-hour-postoperative-parathyroid-hormone
#10
Joshua Park, Ethan Frank, Alfred Simental, Sara Yang, Christopher Vuong, Steve Lee, Pedro Andrade Filho
After thyroid surgery, protocols based on postoperative parathyroid hormone (PTH) levels may prevent symptoms of hypocalcemia, while avoiding unnecessary prophylactic calcium and/or vitamin D supplementation. We examined the value of an initial management protocol based solely on a single PTH level measured one hour after completion or total thyroidectomy to prevent symptomatic hypocalcemia by conducting a retrospective review of 697 consecutive patients treated from July 2003 to April 2015. The proportion of patients who developed symptomatic hypocalcemia was similar between those treated before (n = 155) and after (n = 542) implementation of this 1-hour PTH protocol (16...
October 2016: American Surgeon
https://www.readbyqxmd.com/read/27722031/categorizing-fetal-heart-rate-variability-with-and-without-visual-aids
#11
Amanda J Ashdown, Mark W Scerbo, Lee A Belfore, Stephen S Davis, Alfred Z Abuhamad
Objective This study examined the ability of clinicians to correctly categorize images of fetal heart rate (FHR) variability with and without the use of exemplars. Study Design A sample of 33 labor and delivery clinicians inspected static FHR images and categorized them into one of four categories defined by the National Institute of Child Health and Human Development (NICHD) based on the amount of variability within absent, minimal, moderate, or marked ranges. Participants took part in three conditions: two in which they used exemplars representing FHR variability near the center or near the boundaries of each range, and a third control condition with no exemplars...
October 2016: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/27697534/emerging-roles-of-the-neurotrophin-receptor-trkc-in-synapse-organization
#12
Yusuke Naito, Alfred Kihoon Lee, Hideto Takahashi
Tropomyosin-receptor-kinase (Trk) receptors have been extensively studied for their roles in kinase-dependent signaling cascades in nervous system development. Synapse organization is coordinated by trans-synaptic interactions of various cell adhesion proteins, a representative example of which is the neurexin-neuroligin complex. Recently, a novel role for TrkC as a synapse organizing protein has been established. Post-synaptic TrkC binds to pre-synaptic type-IIa receptor-type protein tyrosine phosphatase sigma (PTPσ)...
September 30, 2016: Neuroscience Research
https://www.readbyqxmd.com/read/27659211/the-whole-genome-sequence-of-the-mediterranean-fruit-fly-ceratitis-capitata-wiedemann-reveals-insights-into-the-biology-and-adaptive-evolution-of-a-highly-invasive-pest-species
#13
Alexie Papanicolaou, Marc F Schetelig, Peter Arensburger, Peter W Atkinson, Joshua B Benoit, Kostas Bourtzis, Pedro Castañera, John P Cavanaugh, Hsu Chao, Christopher Childers, Ingrid Curril, Huyen Dinh, HarshaVardhan Doddapaneni, Amanda Dolan, Shannon Dugan, Markus Friedrich, Giuliano Gasperi, Scott Geib, Georgios Georgakilas, Richard A Gibbs, Sarah D Giers, Ludvik M Gomulski, Miguel González-Guzmán, Ana Guillem-Amat, Yi Han, Artemis G Hatzigeorgiou, Pedro Hernández-Crespo, Daniel S T Hughes, Jeffery W Jones, Dimitra Karagkouni, Panagiota Koskinioti, Sandra L Lee, Anna R Malacrida, Mosè Manni, Kostas Mathiopoulos, Angela Meccariello, Shwetha C Murali, Terence D Murphy, Donna M Muzny, Georg Oberhofer, Félix Ortego, Maria D Paraskevopoulou, Monica Poelchau, Jiaxin Qu, Martin Reczko, Hugh M Robertson, Andrew J Rosendale, Andrew E Rosselot, Giuseppe Saccone, Marco Salvemini, Grazia Savini, Patrick Schreiner, Francesca Scolari, Paolo Siciliano, Sheina B Sim, George Tsiamis, Enric Ureña, Ioannis S Vlachos, John H Werren, Ernst A Wimmer, Kim C Worley, Antigone Zacharopoulou, Stephen Richards, Alfred M Handler
BACKGROUND: The Mediterranean fruit fly (medfly), Ceratitis capitata, is a major destructive insect pest due to its broad host range, which includes hundreds of fruits and vegetables. It exhibits a unique ability to invade and adapt to ecological niches throughout tropical and subtropical regions of the world, though medfly infestations have been prevented and controlled by the sterile insect technique (SIT) as part of integrated pest management programs (IPMs). The genetic analysis and manipulation of medfly has been subject to intensive study in an effort to improve SIT efficacy and other aspects of IPM control...
September 22, 2016: Genome Biology
https://www.readbyqxmd.com/read/27548145/sex-based-selectivity-of-ppar%C3%AE-regulation-in-th1-th2-and-th17-differentiation
#14
Hong-Jai Park, Hyeon-Soo Park, Jae-Ung Lee, Alfred L M Bothwell, Je-Min Choi
Peroxisome proliferator-activated receptor gamma (PPARγ) has recently been recognized to regulate adaptive immunity through Th17 differentiation, Treg functions, and TFH responses. However, its role in adaptive immunity and autoimmune disease is still not clear, possibly due to sexual differences. Here, we investigated in vitro treatment study with the PPARγ agonist pioglitazone to compare Th1, Th2, and Th17 differentiation in male and female mouse splenic T cells. Pioglitazone treatment significantly inhibited various effector T cell differentiations including Th1, Th2, and Th17 cells from female naïve T cells, but it selectively reduced IL-17 production in male Th17 differentiation...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27498872/direct-induction-and-functional-maturation-of-forebrain-gabaergic-neurons-from-human-pluripotent-stem-cells
#15
Alfred Xuyang Sun, Qiang Yuan, Shawn Tan, Yixin Xiao, Danlei Wang, Audrey Tze Ting Khoo, Levena Sani, Hoang-Dai Tran, Paul Kim, Yong Seng Chiew, Kea Joo Lee, Yi-Chun Yen, Huck Hui Ng, Bing Lim, Hyunsoo Shawn Je
Gamma-aminobutyric acid (GABA)-releasing interneurons play an important modulatory role in the cortex and have been implicated in multiple neurological disorders. Patient-derived interneurons could provide a foundation for studying the pathogenesis of these diseases as well as for identifying potential therapeutic targets. Here, we identified a set of genetic factors that could robustly induce human pluripotent stem cells (hPSCs) into GABAergic neurons (iGNs) with high efficiency. We demonstrated that the human iGNs express neurochemical markers and exhibit mature electrophysiological properties within 6-8 weeks...
August 16, 2016: Cell Reports
https://www.readbyqxmd.com/read/27476966/midbrain-like-organoids-from-human-pluripotent-stem-cells-contain-functional-dopaminergic-and-neuromelanin-producing-neurons
#16
Junghyun Jo, Yixin Xiao, Alfred Xuyang Sun, Engin Cukuroglu, Hoang-Dai Tran, Jonathan Göke, Zi Ying Tan, Tzuen Yih Saw, Cheng-Peow Tan, Hidayat Lokman, Younghwan Lee, Donghoon Kim, Han Seok Ko, Seong-Oh Kim, Jae Hyeon Park, Nam-Joon Cho, Thomas M Hyde, Joel E Kleinman, Joo Heon Shin, Daniel R Weinberger, Eng King Tan, Hyunsoo Shawn Je, Huck-Hui Ng
Recent advances in 3D culture systems have led to the generation of brain organoids that resemble different human brain regions; however, a 3D organoid model of the midbrain containing functional midbrain dopaminergic (mDA) neurons has not been reported. We developed a method to differentiate human pluripotent stem cells into a large multicellular organoid-like structure that contains distinct layers of neuronal cells expressing characteristic markers of human midbrain. Importantly, we detected electrically active and functionally mature mDA neurons and dopamine production in our 3D midbrain-like organoids (MLOs)...
August 4, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27441568/assessment-of-risk-and-sero-prevalence-of-helicobacter-pylori-colonization-among-remote-orang-asli-tribes-in-peninsula-malaysia
#17
Kavitha Thevakumar, Josephine Rebecca Chandren, Guillermo Ignacio Perez-Perez, Eng Guan Chua, Lay Kek Teh, Mohd Zaki Salleh, Jin Ai Mary Anne Tan, Alex Hwong Ruey Leow, Khean Lee Goh, Alfred Chin Yen Tay, Barry J Marshall, Jamuna Vadivelu, Mun Fai Loke, Li Ping Wong
The epidemiology of Helicobacter pylori (H. pylori) infection is related to human poverty with marked differences between developing and developed countries. Socioeconomic factors and living standards are the main determinants of the age-dependent acquisition rate of H. pylori, and consequently its prevalence. The aim of this study was to assess the risk and sero-prevalence of H. pylori colonization among Orang Asli in Peninsula Malaysia. This cross-sectional study was conducted on Orang Asli subjects in seven isolated settlements spanning across all three major tribes (Negrito, Proto Malay and Senoi) in Malaysia...
2016: PloS One
https://www.readbyqxmd.com/read/27426424/associations-between-the-phosphatidylethanol-alcohol-biomarker-and-self-reported-alcohol-use-in-a-sample-of-hiv-infected-outpatient-drinkers-in-western-kenya
#18
Rebecca K Papas, Benson N Gakinya, Michael M Mwaniki, Alfred K Keter, Hana Lee, Michelle P Loxley, Debra A Klein, John E Sidle, Steve Martino, Joyce B Baliddawa, Kathryn L Schlaudt, Stephen A Maisto
BACKGROUND: To counteract the syndemics of HIV and alcohol in Sub-Saharan Africa, international collaborations have developed interventions to reduce alcohol consumption. Reliable and accurate methods are needed to estimate alcohol use outcomes. A direct alcohol biomarker called phosphatidylethanol (PEth) has been shown to validate heavy, daily drinking, but the literature indicates mixed results for moderate and nondaily drinkers, including among HIV-infected populations. This study examined the associations of the PEth biomarker with self-report alcohol use at 2 time points in 127 HIV-infected outpatient drinkers in western Kenya...
August 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27342256/impaired-personal-trait-knowledge-but-spared-other-person-trait-knowledge-in-an-individual-with-bilateral-damage-to-the-medial-prefrontal-cortex
#19
María J Marquine, Matthew D Grilli, Steven Z Rapcsak, Alfred W Kaszniak, Lee Ryan, Katrin Walther, Elizabeth L Glisky
Functional neuroimaging has revealed that in healthy adults retrieval of personal trait knowledge is associated with increased activation in the medial prefrontal cortex (mPFC). Separately, neuropsychology has shown that the self-referential nature of memory can be disrupted in individuals with mPFC lesions. However, it remains unclear whether damage to the mPFC impairs retrieval of personal trait knowledge. Therefore, in this neuropsychological case study we investigated the integrity of personal trait knowledge in J...
August 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27335315/gender-specific-differences-in-ppar%C3%AE-regulation-of-follicular-helper-t-cell-responses-with-estrogen
#20
Hong-Jai Park, Hyeon-Soo Park, Jae-Ung Lee, Alfred L M Bothwell, Je-Min Choi
Peroxisome proliferator-activated receptor gamma (PPARγ), a master regulator of adipocyte differentiation, has recently been connected with effector T cells, though its role is still not clear. Here, we investigated the roles of PPARγ in follicular helper T (TFH) cell responses regarding gender specificity. NP-OVA immunization in female but not male CD4-PPARγ(KO) mice induced higher proportions of TFH cells and germinal center (GC) B cells following immunization than were seen in wild type mice. Treatment with the PPARγ agonist pioglitazone significantly reduced TFH cell responses in female mice while pioglitazone and estradiol (E2) co-treatment ameliorated TFH cells and GC responses in male mice...
2016: Scientific Reports
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