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John Byrd

Virginia Quick, Jennifer Martin-Biggers, Gayle Alleman Povis, John Worobey, Nobuko Hongu, Carol Byrd-Bredbenner
This study examined long-term follow-up effects of participation in the HomeStyles RCT, using Social Cognitive Theory constructs, on physical activity cognitions, home environment, and lifestyle behavioral practices of families with preschool children (ages 2 to 5 years). Parents were systematically randomized to experimental or attention control group at baseline. Those completing all surveys that comprised of valid, reliable measures were the analytic sample (n = 61 experimental, n = 63 control; mean age 32...
March 13, 2018: Contemporary Clinical Trials
Michael Hallek, Bruce D Cheson, Daniel Catovsky, Federico Caligaris-Cappio, Guillermo Dighiero, Hartmut Döhner, Peter Hillmen, Michael Keating, Emili Montserrat, Nicholas Chiorazzi, Stephan Stilgenbauer, Kanti R Rai, John C Byrd, Barbara Eichhorst, Susan O'Brien, Tadeusz Robak, John F Seymour, Thomas J Kipps
In 2008, International Workshop on CLL (iwCLL) published consensus guidelines for the design and conduct of clinical trials for patients with chronic lymphocytic leukemia (CLL) that were revised from those previously published by the National Cancer Institute-sponsored Working Group. These guidelines provided definitions intended to standardize the assessment of patients that were adopted by the Food and Drug Administration (FDA) and European Medicines Agency (EMA) for the evaluation of new drugs. Since the publication of these guidelines there have been major advances in the biology and treatment of patients with CLL, prompting the iwCLL to evaluate and revise the 2008 criteria...
March 14, 2018: Blood
Serena A Byrd, Mary J Xu, Lauren M Cass, Daniel J Wehrmann, Matthew Naunheim, Kara Christopher, John J Dombrowski, Ronald J Walker, Lori Wirth, John Clark, Paul Busse, Annie Chan, Daniel G Deschler, Kevin Emerick, Derrick T Lin, Mark A Varvares
OBJECTIVES: Describe the influence of pretreatment tracheotomy and treatment modality (surgical versus non-surgical) on oncologic and functional outcomes. MATERIALS AND METHODS: Retrospective study of previously untreated advanced-stage laryngeal squamous cell carcinoma patients at two academic tertiary care institutions from 1995 to 2014. RESULTS: Primary outcomes evaluated were disease-free survival, disease-specific survival, and overall survival of pretreatment tracheotomy versus no pretreatment tracheotomy cohorts...
March 2018: Oral Oncology
Susan M O'Brien, Samantha Jaglowski, John C Byrd, Rajat Bannerji, Kristie A Blum, Christopher P Fox, Richard R Furman, Peter Hillmen, Thomas J Kipps, Marco Montillo, Jeff Sharman, Sam Suzuki, Danelle F James, Alvina D Chu, Steven E Coutre
Importance: Ibrutinib, a first-in-class Bruton tyrosine kinase inhibitor taken once daily, is approved in the United States for patients with chronic lymphocytic leukemia/small lymphocytic lymphoma and allows for treatment without chemotherapy. Extended treatment with ibrutinib has demonstrated increased complete response (CR) rates over time. Objective: To analyze baseline factors that predict CR in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma treated with ibrutinib...
February 22, 2018: JAMA Oncology
Susan O'Brien, Richard R Furman, Steven Coutre, Ian W Flinn, Jan A Burger, Kristie Blum, Jeff Sharman, William Wierda, Jeffrey Jones, Weiqiang Zhao, Nyla A Heerema, Amy J Johnson, Ying Luan, Danelle F James, Alvina D Chu, John C Byrd
We previously reported durable responses and manageable safety of ibrutinib from a 3-year follow-up of treatment-naive (TN) older patients (≥65 years) and relapsed/refractory (R/R) patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). We now report on long-term efficacy and safety with median follow-up of 5 years in this patient population with TN (N=31) and R/R (N=101) CLL/SLL. With the current 5-year follow-up, ibrutinib continues to yield a high overall response rate of 89%, with complete response rates increasing over time to 29% in TN and 10% in R/R patients...
February 2, 2018: Blood
Zhenyang Lin, Yingchao Du, Jin Yang, Yilun Xu, Lixin Yan, Wenhui Huang, Chuanxiang Tang, Gang Huang, Qiang Du, Lawrence Doolittle, Russell Wilcox, John Byrd
The precise timing and synchronization system is an essential part for the ultra-fast electron and X-ray sources based on the photocathode injector where strict synchronization among RF, laser, and beams are required. In this paper, we present an integrated sub-100 femtosecond timing and synchronization system developed and demonstrated recently in Tsinghua University based on the collaboration with Lawrence Berkeley National Lab. The timing and synchronization system includes the fiber-based CW carrier phase reference distribution system for delivering stabilized RF phase reference to multiple receiver clients, the Low Level RF (LLRF) control system to monitor and generate the phase and amplitude controllable pulse RF signal, and the laser-RF synchronization system for high precision synchronization between optical and RF signals...
January 2018: Review of Scientific Instruments
Hatice Gulcin Ozer, Dalia El-Gamal, Ben Powell, Zachary A Hing, James S Blachly, Bonnie Harrington, Shaneice Mitchell, Nicole R Grieselhuber, Katie Williams, Tzung-Huei Lai, Lapo Alinari, Robert A Baiocchi, Lindsey Brinton, Elizabeth Baskin, Matthew Cannon, Larry Beaver, Virginia M Goettl, David M Lucas, Jennifer A Woyach, Deepa Sampath, Amy M Lehman, Lianbo Yu, Jiazhong Zhang, Yan Ma, Ying Zhang, Wayne Spevak, Songyuan Shi, Paul Severson, Rafe Shellooe, Heidi Carias, Garson Tsang, Ken Dong, Todd Ewing, Adhirai Marimuthu, Christina Tantoy, Jason Walters, Laura Sanftner, Hamid Rezaei, Marika Nespi, Bernice Matusow, Gaston Habets, Prabha Ibrahim, Chao Zhang, Ewy A Mathé, Gideon Bollag, John C Byrd, Rosa Lapalombella
Bromodomain and extra-terminal (BET) family proteins are key regulators of gene expression in cancer. Herein, we utilize BRD4 profiling to identify critical pathways involved in pathogenesis of chronic lymphocytic leukemia (CLL). BRD4 is over-expressed in CLL and is enriched proximal to genes up-regulated or de novo expressed in CLL with known function in disease pathogenesis and progression. These genes, including key members of the BCR signaling pathway, provide rationale for this therapeutic approach to identify new targets in alternative types of cancer...
January 31, 2018: Cancer Discovery
Michael T Riles, John P Smith, Nathan Burkett-Cadena, C Roxanne Connelly, Gary W Morse, Brian D Byrd
The presence of Aedes j. japonicus in Florida is reported for the first time. Four adult females were collected by a Mosquito Magnet® X trap baited with pressurized CO2 in Okaloosa County, FL, in August 2012 and later identified as Ae. japonicus in 2014. Additional adult and larval specimens were collected during 2014-17 from Bay, Leon, Okaloosa, Santa Rosa, or Walton counties, Florida. Notes are provided on the location, general habitats, and mosquito associates that may be found with Ae. japonicus in northwestern Florida...
December 2017: Journal of the American Mosquito Control Association
Andrew Stiff, Prashant Trikha, Bethany L Mundy-Bosse, Elizabeth L McMichael, Thomas A Mace, Brooke Benner, Kari Kendra, Amanda Campbell, Shalini Gautam, David Abood, Ian Landi, Vincent Hsu, Megan C Duggan, Robert Wesolowski, Matthew Old, John H Howard, Lianbo Yu, Nancy Stasik, Thomas Olencki, Natarajan Muthusamy, Susheela Tridandapani, John C Byrd, Michael A Caligiuri, William E Carson
PURPOSE: Monoclonal antibodies (mAb) are used to treat solid and hematological malignancies, and work in part through Fc receptors (FcR) on natural killer cells (NK). However, FcR mediated functions of NK cells from cancer patients are significantly impaired. Identifying the mechanisms of this dysfunction and impaired response to mAb therapy could lead to combination therapies and enhance mAb therapy.  Experimental Design: Co-cultures of autologous NK cells and MDSC from cancer patients were used to study the effect of MDSC on NK cell FcR mediated functions including antibody dependent cellular cytotoxicity, cytokine production, and signal transduction in vitro...
January 23, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Jonathan L Linehan, Oliver J Harrison, Seong-Ji Han, Allyson L Byrd, Ivan Vujkovic-Cvijin, Alejandro V Villarino, Shurjo K Sen, Jahangheer Shaik, Margery Smelkinson, Samira Tamoutounour, Nicholas Collins, Nicolas Bouladoux, Amiran Dzutsev, Stephan P Rosshart, Jesse H Arbuckle, Chyung-Ru Wang, Thomas M Kristie, Barbara Rehermann, Giorgio Trinchieri, Jason M Brenchley, John J O'Shea, Yasmine Belkaid
Mammalian barrier surfaces are constitutively colonized by numerous microorganisms. We explored how the microbiota was sensed by the immune system and the defining properties of such responses. Here, we show that a skin commensal can induce T cell responses in a manner that is restricted to non-classical MHC class I molecules. These responses are uncoupled from inflammation and highly distinct from pathogen-induced cells. Commensal-specific T cells express a defined gene signature that is characterized by expression of effector genes together with immunoregulatory and tissue-repair signatures...
January 15, 2018: Cell
Shailesh Gurung, John Hoffman, Kendre Stringfellow, Daad Abi-Ghanem, Dan Zhao, David Caldwell, Jason Lee, Darrel Styles, Luc Berghman, James Byrd, Yuhua Farnell, Gregory Archer, Morgan Farnell
During the 2014-2015 US highly pathogenic avian influenza (HPAI) outbreak, 50.4 million commercial layers and turkeys were affected, resulting in economic losses of $3.3 billion. Rapid depopulation of infected poultry is vital to contain and eradicate reportable diseases like HPAI. The hypothesis of the experiment was that a compressed air foam (CAF) system may be used as an alternative to carbon dioxide (CO₂) inhalation for depopulating caged layer hens. The objective of this study was to evaluate corticosterone (CORT) and time to cessation of movement (COM) of hens subjected to CAF, CO₂ inhalation, and negative control (NEG) treatments...
January 11, 2018: Animals: An Open Access Journal From MDPI
Darrin Byrd, Rebecca Christopfel, Grae Arabasz, Ciprian Catana, Joel Karp, Martin A Lodge, Charles Laymon, Eduardo G Moros, Mikalai Budzevich, Sadek Nehmeh, Joshua Scheuermann, John Sunderland, Jun Zhang, Paul Kinahan
Positron emission tomography (PET) is a quantitative imaging modality, but the computation of standardized uptake values (SUVs) requires several instruments to be correctly calibrated. Variability in the calibration process may lead to unreliable quantitation. Sealed source kits containing traceable amounts of [Formula: see text] were used to measure signal stability for 19 PET scanners at nine hospitals in the National Cancer Institute's Quantitative Imaging Network. Repeated measurements of the sources were performed on PET scanners and in dose calibrators...
January 2018: Journal of Medical Imaging
Grace A Archer, Christopher A Phillips, Laura Adamovicz, Mark Band, John Byrd, Matthew C Allender
Conservation efforts are investigating the impact of diseases within a species of interest, including prevalence and transmission and morbidity and mortality rates. However, the majority of these studies focus solely on the characteristics of a single pathogen. Recently, the role of copathogens has been reported to impact disease susceptibility and mortality. To that effect, a survey was conducted including 318 eastern box turtles ( Terrapene carolina carolina) from populations in Illinois and Tennessee in 2014 and 2015...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Yo-Ting Tsai, Aparna Lakshmanan, Amy Lehman, Bonnie K Harrington, Fabienne McClanahan Lucas, Minh Tran, Ellen J Sass, Meixiao Long, Alan D Flechtner, Florinda Jaynes, Krista La Perle, Vincenzo Coppola, Gerard Lozanski, Natarajan Muthusamy, John C Byrd, Michael R Grever, David M Lucas
Mutated mitogen-activated protein kinase (MAPK) pathway components promote tumor survival, proliferation, and immune evasion in solid tumors. MAPK mutations occur in hematologic cancers as well, but their role is less clear and few models are available to study this. We developed an in vivo model of disseminated BRAFV600E B-cell leukemia to determine the effects of this mutation on tumor development and immune evasion. Mice with B-cell-restricted BRAFV600E expression crossed with the Eµ-TCL1 model of chronic lymphocytic leukemia (CLL) developed leukemia significantly earlier (median, 4...
November 14, 2017: Blood Advances
Tracy E Wiczer, Lauren B Levine, Jessica Brumbaugh, Jessica Coggins, Qiuhong Zhao, Amy S Ruppert, Kerry Rogers, Anli McCoy, Luay Mousa, Avirup Guha, Nyla A Heerema, Kami Maddocks, Beth Christian, Leslie A Andritsos, Samantha Jaglowski, Steven Devine, Robert Baiocchi, Jennifer Woyach, Jeffrey Jones, Michael Grever, Kristie A Blum, John C Byrd, Farrukh T Awan
Atrial fibrillation (AF) has been reported in up to 16% of patients taking ibrutinib. Data regarding the management of AF in this patient population are limited, and stroke prevention poses a challenge because of increased risk of bleeding with ibrutinib treatment. Our study sought to describe the incidence of AF in adult patients treated with ibrutinib for a hematologic malignancy, assess management strategies, evaluate stroke and bleeding outcomes, and identify risk factors for occurrence. Of 582 patients treated with ibrutinib, 76 developed AF...
September 12, 2017: Blood Advances
Cecelia R Miller, Amy S Ruppert, Nyla A Heerema, Kami J Maddocks, Jadwiga Labanowska, Heather Breidenbach, Gerard Lozanski, Weiqiang Zhao, Amber L Gordon, Jeffrey A Jones, Joseph M Flynn, Samantha M Jaglowski, Leslie A Andritsos, Kristie A Blum, Farrukh T Awan, Kerry A Rogers, Michael R Grever, Amy J Johnson, Lynne V Abruzzo, Erin K Hertlein, James S Blachly, Jennifer A Woyach, John C Byrd
Ibrutinib is a highly effective targeted therapy for chronic lymphocytic leukemia (CLL). However, ibrutinib must be discontinued in a subset of patients due to progressive CLL or transformation to aggressive lymphoma (Richter transformation). Transformation occurs early in the course of therapy and has an extremely poor prognosis. Thus, identification of prognostic markers associated with transformation is of utmost importance. Near-tetraploidy (4 copies of most chromosomes within a cell) has been reported in various lymphomas, but its incidence and significance in CLL has not been described...
August 22, 2017: Blood Advances
Anant A Agrawal, Michael Seiler, Lindsey T Brinton, Rose Mantel, Rosa Lapalombella, Jennifer A Woyach, Amy J Johnson, Ping Zhu, Markus Warmuth, Lihua Yu, John C Byrd, Peter G Smith, James S Blachly, Silvia Buonamici
We identify and characterize novel SF3B1 in-frame deletions in chronic lymphocytic leukemia.These deletions are functionally similar to well-known SF3B1 hotspot mutations and are sensitive to splicing modulation.
June 27, 2017: Blood Advances
Darrin Byrd, Rebecca Christopfel, John Buatti, Eduardo Moros, Sadek Nehmeh, Adam Opanowski, Paul Kinahan
Clinical trials that evaluate cancer treatments may benefit from positron emission tomography (PET) imaging, which for many cancers can discriminate between effective and ineffective treatments. However, the image metrics used to quantify disease and evaluate treatment may be biased by many factors related to clinical protocols and PET system settings, many of which are site- and/or manufacturer-specific. An observational study was conducted using two surveys that were designed to record key sources of bias and variability in PET imaging...
January 2018: Journal of Medical Imaging
J W Thomas Byrd, John C Clohisy, Young-Jo Kim, F Winston Gwathmey, Kay S Jones, Michael B Millis
Hip problems due to dysplasia are commonly associated with female athletes in sports demanding supraphysiologic motion, such as ballet, gymnastics and figure skating. However, hip problems are rarely mentioned among wrestlers, a male sport in which flexibility is advantageous. Dysplasia may have a mostly unrecognized prevalence among wrestlers that can lead to problems and benefit from reorientation periacetabular osteotomy (PAO). Study design in this research is Level 4 evidence case reports. Three consecutive intercollegiate wrestlers ages 20, 21 and 22 years underwent PAO for dysplasia and are reported...
December 2017: Journal of Hip Preservation Surgery
Jeffrey A Jones, Anthony R Mato, William G Wierda, Matthew S Davids, Michael Choi, Bruce D Cheson, Richard R Furman, Nicole Lamanna, Paul M Barr, Lang Zhou, Brenda Chyla, Ahmed Hamed Salem, Maria Verdugo, Rod A Humerickhouse, Jalaja Potluri, Steven Coutre, Jennifer Woyach, John C Byrd
BACKGROUND: Therapy targeting Bruton's tyrosine kinase (BTK) with ibrutinib has transformed the treatment of chronic lymphocytic leukaemia. However, patients who are refractory to or relapse after ibrutinib therapy have poor outcomes. Venetoclax is a selective, orally bioavailable inhibitor of BCL-2 active in previously treated patients with relapsed or refractory chronic lymphocytic leukaemia. In this study, we assessed the activity and safety of venetoclax in patients with chronic lymphocytic leukaemia who are refractory to or relapse during or after ibrutinib therapy...
December 12, 2017: Lancet Oncology
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