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https://www.readbyqxmd.com/read/28069490/sexual-segregation-of-forage-patch-use-support-for-the-social-factors-and-predation-hypotheses
#1
Michael T Biggerstaff, Marcus A Lashley, M Colter Chitwood, Christopher E Moorman, Christopher S DePerno
Nearly all species of sexually dimorphic ungulates sexually segregate. Several hypotheses have been proposed to explain this phenomenon, including the social-factors hypothesis (SFH) and the predation hypothesis (PH). Interestingly, previous studies have accepted and rejected each hypothesis within and across species but few studies have simultaneously tested both hypotheses in the same population. In August 2011 and 2012 using 7,680 photographs taken with camera traps in standardized forage patches, we tested two predictions of the SFH: 1) foraging efficiency of both sexes would decrease when foraging rate in mixed-sex groups relative to single-sex groups, and 2) activity patterns (i...
January 6, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28059065/rapid-control-and-feedback-rates-enhance-neuroprosthetic-control
#2
Maryam M Shanechi, Amy L Orsborn, Helene G Moorman, Suraj Gowda, Siddharth Dangi, Jose M Carmena
Brain-machine interfaces (BMI) create novel sensorimotor pathways for action. Much as the sensorimotor apparatus shapes natural motor control, the BMI pathway characteristics may also influence neuroprosthetic control. Here, we explore the influence of control and feedback rates, where control rate indicates how often motor commands are sent from the brain to the prosthetic, and feedback rate indicates how often visual feedback of the prosthetic is provided to the subject. We developed a new BMI that allows arbitrarily fast control and feedback rates, and used it to dissociate the effects of each rate in two monkeys...
January 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28052785/detection-reporting-and-treatment-of-hepatitis-c-infections-among-hemodialysis-patients
#3
Melissa G Collier, Duc B Nguyen, Priti R Patel, Anne C Moorman
No abstract text is available yet for this article.
January 5, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28045622/use-of-minimal-residual-disease-assessment-to-redefine-induction-failure-in-pediatric-acute-lymphoblastic-leukemia
#4
David O'Connor, Anthony V Moorman, Rachel Wade, Jeremy Hancock, Ronald M R Tan, Jack Bartram, John Moppett, Claire Schwab, Katharine Patrick, Christine J Harrison, Rachael Hough, Nick Goulden, Ajay Vora, Sujith Samarasinghe
Purpose Our aim was to determine the role of end-of-induction (EOI) minimal residual disease (MRD) assessment in the identification and stratification of induction failure in patients with pediatric acute lymphoblastic leukemia (ALL) and to identify genetic abnormalities that drive disease in these patients. Patients and Methods Analysis included 3,113 patients who were treated in the Medical Research Council UKALL2003 multicenter randomized trial (NCT00222612) between 2003 and 2011. MRD was measured by using standardized real-time quantitative PCR...
January 3, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28033648/characterisation-of-the-genomic-landscape-of-crlf2-rearranged-acute-lymphoblastic-leukemia
#5
Lisa J Russell, Lisa Jones, Amir Enshaei, Stefano Tonin, Sarra L Ryan, Jeyanthy Eswaran, Sirintra Nakjang, Elli Papaemmanuil, Jose M C Tubio, Adele K Fielding, Ajay Vora, Peter J Campbell, Anthony V Moorman, Christine J Harrison
Deregulated expression of the type I cytokine receptor, CRLF2, is observed in 5-15% of precursor B-cell acute lymphoblastic leukaemia (B-ALL). We aimed to determine the clinical and genetic landscape of those with IGH-CRLF2 or P2RY8-CRLF2 (CRLF2-r) using multiple genomic approaches. Clinical and demographic features of CRLF2-r patients were characteristic of B-ALL. Patients with IGH-CRLF2 were older (14 y vs. 4 y, P < .001), while the incidence of CRLF2-r among Down syndrome patients was high (50/161, 31%)...
December 29, 2016: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28029578/stemmed-tibial-revision-component-alignment-does-an-anatomic-conflict-exist
#6
Kevin M Smith, Andrew Moorman, Sabir K Ismaily, Stephen J Incavo
INTRODUCTION: Obtaining satisfactory coronal plane alignment is important for success in revision total knee arthroplasty (TKA). The study objective was to determine tibial coronal plane alignment after TKA when a tibial stem was used and assess if there was an anatomic conflict in tibial stemmed component alignment. MATERIALS AND METHODS: A radiographic review of 88 revision TKA cases was performed. Full length leg radiographs were examined for varus/valgus alignment, defined as greater than or equal to three degrees from neutral 180 degrees, canal or non-canal filling tibial stems, and any native tibial bow...
October 29, 2016: Knee
https://www.readbyqxmd.com/read/28012090/a-decade-of-orexin-hypocretin-and-addiction-where-are-we-now
#7
Morgan H James, Stephen V Mahler, David E Moorman, Gary Aston-Jones
One decade ago, our laboratory provided the first direct evidence linking orexin/hypocretin signaling with drug seeking by showing that activation of these neurons promotes conditioned morphine-seeking behavior. In the years since, contributions from many investigators have revealed roles for orexins in addiction for all drugs of abuse tested, but only under select circumstances. We recently proposed that orexins play a fundamentally unified role in coordinating "motivational activation" under numerous behavioral conditions, and here we unpack this hypothesis as it applies to drug addiction...
December 24, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28001143/vital-signs-and-their-cross-correlation-in-sepsis-and-nec-a-study-of-1-065-very-low-birth-weight-infants-in-two-nicus
#8
Karen D Fairchild, Douglas E Lake, John Kattwinkel, J Randall Moorman, David A Bateman, Philip G Grieve, Joseph R Isler, Rakesh Sahni
BACKGROUND: Subtle changes in vital signs and their interactions occur in preterm infants prior to overt deterioration from late-onset septicemia (LOS) or necrotizing enterocolitis (NEC). Optimizing predictive algorithms may lead to earlier treatment. METHODS: For 1,065 very-low-birth-weight (VLBW) infants in two neonatal intensive care units (NICUs), mean, SD, and cross-correlation of respiratory rate, heart rate (HR), and oxygen saturation (SpO2) were analyzed hourly (131 infant-years' data)...
December 21, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27990034/a-dynamic-bayesian-model-for-characterizing-cross-neuronal-interactions-during-decision-making
#9
Bo Zhou, David E Moorman, Sam Behseta, Hernando Ombao, Babak Shahbaba
The goal of this paper is to develop a novel statistical model for studying cross-neuronal spike train interactions during decision making. For an individual to successfully complete the task of decision-making, a number of temporally-organized events must occur: stimuli must be detected, potential outcomes must be evaluated, behaviors must be executed or inhibited, and outcomes (such as reward or no-reward) must be experienced. Due to the complexity of this process, it is likely the case that decision-making is encoded by the temporally-precise interactions between large populations of neurons...
2016: Journal of the American Statistical Association
https://www.readbyqxmd.com/read/27974558/mechanism-of-pkr-inhibition-by-human-cytomegalovirus-ptrs1
#10
Heather A Vincent, Benjamin Ziehr, Nathaniel J Moorman
: Double stranded RNAs (dsRNA) produced during human cytomegalovirus (HCMV) infection activate the antiviral kinase PKR, which potently inhibits virus replication. The HCMV pTRS1 and pIRS1 proteins antagonize PKR to promote HCMV protein synthesis and replication, however the mechanism by which pTRS1 inhibits PKR is unclear. PKR activation occurs in a three-step cascade. First, binding to dsRNA triggers PKR homodimerizaton. PKR dimers then autophosporylate, leading to a conformational shift that exposes the binding site for the PKR substrate eIF2α...
December 14, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27903798/lubac-modulates-lmp1-activation-of-nf%C3%AE%C2%BAb-and-irf7
#11
Ling Wang, Yujia Wang, Juan Zhao, Junping Ren, Kenton H Hall, Jonathan P Moorman, Zhi Q Yao, Shunbin Ning
: Recently, Linear Ubiquitin Assembly Complex (LUBAC)-mediated linear ubiquitination has come into focus due to its emerging role in activation of NFκB in different biological contexts. However, the role of LUBAC in LMP1 signaling leading to NFκB and IRF7 activation has not been investigated. We have shown here that RNF31, the key component of LUBAC complex, interacts with LMP1 and IRF7 in EBV-transformed cells, and that LUBAC stimualtes linear ubiquitination of NEMO and IRF7. Consequently, LUBAC is required for LMP1 signaling to full activation of NFκB, but inhibits LMP1-stimulated IRF7 transcriptional activity...
November 30, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27894709/external-validation-in-an-intermediate-unit-of-a-respiratory-decompensation-model-trained-in-an-intensive-care-unit
#12
Holly N Blackburn, Matthew T Clark, Travis J Moss, Jeffrey S Young, J Randall Moorman, Douglas E Lake, J Forrest Calland
BACKGROUND: Preventing urgent intubation and upgrade in level of care in patients with subclinical deterioration could be of great utility in hospitalized patients. Early detection should result in decreased mortality, duration of stay, and/or resource use. The goal of this study was to externally validate a previously developed, vital sign-based, intensive care unit, respiratory instability model on a separate population, intermediate care patients. METHODS: From May 2014 to May 2016, the model calculated relative risk of adverse events every 15 minutes (n = 373,271 observations) for 2,050 patients in a surgical intermediate care unit...
November 25, 2016: Surgery
https://www.readbyqxmd.com/read/27888529/long-term-progression-of-viral-load-and-serum-markers-of-fibrosis-among-treated-and-untreated-patients-with-chronic-hepatitis-b
#13
Jia Li, Stuart C Gordon, Loralee B Rupp, Talan Zhang, Sheri Trudeau, Scott D Holmberg, Anne C Moorman, Philip R Spradling, Eyasu H Teshale, Joseph A Boscarino, Yihe G Daida, Mark A Schmidt, Mei Lu
BACKGROUND AND AIMS: Antiviral therapy for patients with hepatitis B (HBV) infection is generally deferred for "immune inactive" patients, although longitudinal changes in viral load and liver fibrosis remain understudied in this population. Likewise, in treated patients, the temporal relationship between changes in viral load and liver fibrosis is not well-characterized. Using data from the Chronic Hepatitis Cohort Study, we investigated viral load and the Fibrosis-4 index (FIB4, a serum-based marker of liver fibrosis) trajectories in both untreated and treated HBV patients...
November 26, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27884980/an-interactive-three-dimensional-digital-atlas-and-quantitative-database-of-human-development
#14
Bernadette S de Bakker, Kees H de Jong, Jaco Hagoort, Karel de Bree, Clara T Besselink, Froukje E C de Kanter, Tyas Veldhuis, Babette Bais, Reggie Schildmeijer, Jan M Ruijter, Roelof-Jan Oostra, Vincent M Christoffels, Antoon F M Moorman
Current knowledge about human development is based on the description of a limited number of embryonic specimens published in original articles and textbooks, often more than 100 years ago. It is exceedingly difficult to verify this knowledge, given the restricted availability of human embryos. We created a three-dimensional digital atlas and database spanning the first 2 months of human development, based on analysis of nearly 15,000 histological sections of the renowned Carnegie Collection of human embryonic specimens...
November 25, 2016: Science
https://www.readbyqxmd.com/read/27871663/surgical-management-and-treatment-of-the-anterior-cruciate-ligament-medial-collateral-ligament-injured-knee
#15
REVIEW
Kevin M Dale, James R Bailey, Claude T Moorman
The medial collateral ligament (MCL) is the most commonly injured ligament of the knee. The anterior cruciate ligament (ACL) is the most commonly injured ligament in conjunction with the MCL. Most MCL injuries can be treated nonoperatively, whereas the ACL often requires reconstruction. A good physical examination is essential for diagnosis, whereas radiographs and MRI of the knee confirm diagnosis and help guide treatment planning. Preoperative physical therapy should be completed before surgical management to allow for return of knee range of motion and an attempt at MCL healing...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27824051/genomic-analyses-identify-recurrent-mef2d-fusions-in-acute-lymphoblastic-leukaemia
#16
Zhaohui Gu, Michelle Churchman, Kathryn Roberts, Yongjin Li, Yu Liu, Richard C Harvey, Kelly McCastlain, Shalini C Reshmi, Debbie Payne-Turner, Ilaria Iacobucci, Ying Shao, I-Ming Chen, Marcus Valentine, Deqing Pei, Karen L Mungall, Andrew J Mungall, Yussanne Ma, Richard Moore, Marco Marra, Eileen Stonerock, Julie M Gastier-Foster, Meenakshi Devidas, Yunfeng Dai, Brent Wood, Michael Borowitz, Eric E Larsen, Kelly Maloney, Leonard A Mattano, Anne Angiolillo, Wanda L Salzer, Michael J Burke, Francesca Gianni, Orietta Spinelli, Jerald P Radich, Mark D Minden, Anthony V Moorman, Bella Patel, Adele K Fielding, Jacob M Rowe, Selina M Luger, Ravi Bhatia, Ibrahim Aldoss, Stephen J Forman, Jessica Kohlschmidt, Krzysztof Mrózek, Guido Marcucci, Clara D Bloomfield, Wendy Stock, Steven Kornblau, Hagop M Kantarjian, Marina Konopleva, Elisabeth Paietta, Cheryl L Willman, Mignon L Loh, Stephen P Hunger, Charles G Mullighan
Chromosomal rearrangements are initiating events in acute lymphoblastic leukaemia (ALL). Here using RNA sequencing of 560 ALL cases, we identify rearrangements between MEF2D (myocyte enhancer factor 2D) and five genes (BCL9, CSF1R, DAZAP1, HNRNPUL1 and SS18) in 22 B progenitor ALL (B-ALL) cases with a distinct gene expression profile, the most common of which is MEF2D-BCL9. Examination of an extended cohort of 1,164 B-ALL cases identified 30 cases with MEF2D rearrangements, which include an additional fusion partner, FOXJ2; thus, MEF2D-rearranged cases comprise 5...
November 8, 2016: Nature Communications
https://www.readbyqxmd.com/read/27819673/lmp1-signaling-pathway-activates-irf4-in-latent-ebv-infection-and-a-positive-circuit-between-pi3k-and-src-is-required
#17
L Wang, J Ren, G Li, J P Moorman, Z Q Yao, S Ning
Interferon (IFN) regulatory factors (IRFs) have crucial roles in immune regulation and oncogenesis. We have recently shown that IRF4 is activated through c-Src-mediated tyrosine phosphorylation in virus-transformed cells. However, the intracellular signaling pathway triggering Src activation of IRF4 remains unknown. In this study, we provide evidence that Epstein-Barr virus (EBV) latent membrane protein 1 (LMP1) promotes IRF4 phosphorylation and markedly stimulates IRF4 transcriptional activity, and that Src mediates LMP1 activation of IRF4...
November 7, 2016: Oncogene
https://www.readbyqxmd.com/read/27813662/matrix-metalloproteinase-activity-and-prostaglandin-e2-are-elevated-in-the-synovial-fluid-of-meniscus-tear-patients
#18
Betty Liu, Adam P Goode, Teralyn E Carter, Gangadhar M Utturkar, Janet L Huebner, Dean C Taylor, Claude T Moorman Iii, William E Garrett, Virginia B Kraus, Farshid Guilak, Louis E DeFrate, Amy L McNulty
PURPOSE: Meniscus tears are a common knee injury and are associated with the development of post-traumatic osteoarthritis (OA). The purpose of this study is to evaluate potential OA mediators in the synovial fluid and serum of meniscus tear subjects compared to those in the synovial fluid of radiographic non-OA control knees. MATERIALS AND METHODS: Sixteen subjects with an isolated unilateral meniscus injury and six subjects who served as reference controls (knee Kellgren-Lawrence grade 0-1) were recruited...
November 4, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27809352/t-bet-mediated-tim-3-expression-dampens-monocyte-function-during-chronic-hepatitis-c-virus-infection
#19
Wenjing Yi, Peixin Zhang, Yan Liang, Yun Zhou, Huanjun Shen, Chao Fan, Jonathan P Moorman, Zhi Q Yao, Zhansheng Jia, Ying Zhang
Hepatitis C virus (HCV) induces a high rate of chronic infection via dysregulation of host immunity. We have previously shown that T-cell immunoglobulin and mucin domain protein-3 (Tim-3) is up-regulated on monocyte/macrophages (M/Mφ) during chronic HCV infection; little is known, however, about the transcription factor that controls its expression in these cells. In this study, we investigated the role of transcription factor, T-box expressed in T cells (T-bet), in Tim-3 expression in M/Mφ in the setting of HCV infection...
November 3, 2016: Immunology
https://www.readbyqxmd.com/read/27780221/breeding-early-successional-bird-response-to-forest-harvests-for-bioenergy
#20
Steven M Grodsky, Christopher E Moorman, Sarah R Fritts, Steven B Castleberry, T Bently Wigley
Forest regeneration following timber harvest is a principal source of habitat for early-successional birds and characterized by influxes of early-successional vegetation and residual downed woody material. Early-successional birds may use harvest residues for communication, cover, foraging, and nesting. Yet, increased market viability of woody biomass as bioenergy feedstock may intensify harvest residue removal. Our objectives were to: 1) evaluate effects of varying intensities of woody biomass harvest on the early-successional bird community; and (2) document early-successional bird use of harvest residues in regenerating stands...
2016: PloS One
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