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https://www.readbyqxmd.com/read/28103018/copper-oxygen-complexes-revisited-structures-spectroscopy-and-reactivity
#1
Courtney E Elwell, Nicole L Gagnon, Benjamin D Neisen, Debanjan Dhar, Andrew D Spaeth, Gereon M Yee, William B Tolman
A longstanding research goal has been to understand the nature and role of copper-oxygen intermediates within copper-containing enzymes and abiological catalysts. Synthetic chemistry has played a pivotal role in highlighting the viability of proposed intermediates and expanding the library of known copper-oxygen cores. In addition to the number of new complexes that have been synthesized since the previous reviews on this topic in this journal (Mirica, L. M.; Ottenwaelder, X.; Stack, T. D. P. Chem. Rev. 2004, 104, 1013-1046 and Lewis, E...
January 19, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28103008/quantitative-tracking-of-combinatorially-engineered-populations-with-multiplexed-binary-assemblies
#2
Ramsey Zeitoun, Gur Pines, William C Grau, Ryan T Gill
Advances in synthetic biology and genomics have enabled full-scale genome engineering efforts on laboratory timescales. However, the absence of sufficient approaches for mapping engineered genomes at system-wide scales onto performance has limited the adoption of more sophisticated algorithms for engineering complex biological systems. Here we report on the development and application of a robust approach to quantitatively map combinatorially engineered populations at scales up to several dozen target sites...
January 19, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28102896/impact-of-pre-transplant-depression-on-outcomes-of-allogeneic-and-autologous-hematopoietic-stem-cell-transplantation
#3
Areej El-Jawahri, Yi-Bin Chen, Ruta Brazauskas, Naya He, Stephanie J Lee, Jennifer M Knight, Navneet Majhail, David Buchbinder, Raquel M Schears, Baldeep M Wirk, William A Wood, Ibrahim Ahmed, Mahmoud Aljurf, Jeff Szer, Sara M Beattie, Minoo Battiwalla, Christopher Dandoy, Miguel-Angel Diaz, Anita D'Souza, Cesar O Freytes, James Gajewski, Usama Gergis, Shahrukh K Hashmi, Ann Jakubowski, Rammurti T Kamble, Tamila Kindwall-Keller, Hilard M Lazarus, Adriana K Malone, David I Marks, Kenneth Meehan, Bipin N Savani, Richard F Olsson, David Rizzieri, Amir Steinberg, Dawn Speckhart, David Szwajcer, Helene Schoemans, Sachiko Seo, Celalettin Ustun, Yoshiko Atsuta, Jignesh Dalal, Carmem Sales-Bonfim, Nandita Khera, Theresa Hahn, Wael Saber
BACKGROUND: To evaluate the impact of depression before autologous and allogeneic hematopoietic cell transplantation (HCT) on clinical outcomes posttransplantation. METHODS: We analyzed data from the Center for International Blood and Marrow Transplant Research to compare outcomes after autologous (n = 3786) or allogeneic (n = 7433) HCT for adult patients with hematologic malignancies with an existing diagnosis of pre-HCT depression requiring treatment versus those without pre-HCT depression...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28102781/a-neurodevelopmental-disorder-with-a-nonsense-mutation-in-the-ox-2-antigen-domain-of-the-amyloid-precursor-protein-app-gene
#4
Khue Vu Nguyen, Karen Leydiker, Raymond Wang, Jose Abdenur, William L Nyhan
We report a patient, an infant with a neurodevelopmental disorder manifesting intractable complex partial epilepsy, bull's eye maculopathy, microcephaly, bilateral cataracts, truncal hypotonia, and spasticity of all four extremities. Sequencing of genomic DNA revealed mutations in (a) exon 8 (Ox-2 antigen domain) of the amyloid precursor protein (APP) gene: c.1075C>T, p.Arg359(*) (b) exon 8 of the senataxin (SETX) gene: c.4738C>T, p.Arg1580Cys, and (c) exon 2 of the ceroid-lipofuscinosis, neuronal 8 (CLN8) gene: c...
January 19, 2017: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/28102230/corrigendum-genomic-selection-improves-heat-tolerance-in-dairy-cattle
#5
J B Garner, M L Douglas, S R O Williams, W J Wales, L C Marett, T T T Nguyen, C M Reich, B J Hayes
No abstract text is available yet for this article.
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102226/chronic-lymphocytic-leukaemia
#6
Thomas J Kipps, Freda K Stevenson, Catherine J Wu, Carlo M Croce, Graham Packham, William G Wierda, Susan O'Brien, John Gribben, Kanti Rai
Chronic lymphocytic leukaemia (CLL) is a malignancy of CD5(+) B cells that is characterized by the accumulation of small, mature-appearing lymphocytes in the blood, marrow and lymphoid tissues. Signalling via surface immunoglobulin, which constitutes the major part of the B cell receptor, and several genetic alterations play a part in CLL pathogenesis, in addition to interactions between CLL cells and other cell types, such as stromal cells, T cells and nurse-like cells in the lymph nodes. The clinical progression of CLL is heterogeneous and ranges from patients who require treatment soon after diagnosis to others who do not require therapy for many years, if at all...
January 19, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28101991/clinically-distinct-phenotypes-of-canavan-disease-correlate-with-residual-aspartoacylase-enzyme-activity
#7
Marisa I Mendes, Desirée Ec Smith, Ana Pop, Pascal Lennertz, Matilde R Fernandez Ojeda, Warsha A Kanhai, Silvy J M van Dooren, Yair Anikster, Ivo Barić, Carolien Boelen, Jaime Campistol, Lonneke de Boer, Ariana Kariminejad, Hulya Kayserili, Agathe Roubertie, Krijn T Verbruggen, Christine Vianey-Saban, Monique Williams, Gajja S Salomons
We describe 14 patients with 12 novel missense mutations in ASPA, the gene causing Canavan disease (CD). We developed a method to study the effect of these 12 variants on the function of aspartoacylase - the hydrolysis of N-acetyl-L-aspartic acid (NAA) to aspartate and acetate. The wild-type ASPA open reading frame (ORF) and the ORFs containing each of the variants were transfected into HEK293 cells. Enzyme activity was determined by incubating cell lysates with NAA and measuring the released aspartic acid by LC-MS/MS...
January 19, 2017: Human Mutation
https://www.readbyqxmd.com/read/28101415/endoscopic-sensing-of-alveolar-ph
#8
D Choudhury, M G Tanner, S McAughtrie, F Yu, B Mills, T R Choudhary, S Seth, T H Craven, J M Stone, I K Mati, C J Campbell, M Bradley, C K I Williams, K Dhaliwal, T A Birks, R R Thomson
Previously unobtainable measurements of alveolar pH were obtained using an endoscope-deployable optrode. The pH sensing was achieved using functionalized gold nanoshell sensors and surface enhanced Raman spectroscopy (SERS). The optrode consisted of an asymmetric dual-core optical fiber designed for spatially separating the optical pump delivery and signal collection, in order to circumvent the unwanted Raman signal generated within the fiber. Using this approach, we demonstrate a ~100-fold increase in SERS signal-to-fiber background ratio, and demonstrate multiple site pH sensing with a measurement accuracy of ± 0...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28100970/sickle-cell-disease-with-cyanotic-congenital-heart-disease-long-term-outcomes-in-5-children
#9
Glen J Iannucci, Olufolake A Adisa, Matthew E Oster, Michael McConnell, William T Mahle
Sickle cell disease is a risk factor for cerebrovascular accidents in the pediatric population. This risk is compounded by hypoxemia. Cyanotic congenital heart disease can expose patients to prolonged hypoxemia. To our knowledge, the long-term outcome of patients who have combined sickle cell and cyanotic congenital heart disease has not been reported. We retrospectively reviewed patient records at our institution and identified 5 patients (3 girls and 2 boys) who had both conditions. Their outcomes were uniformly poor: 4 died (age range, 12 mo-17 yr); 3 had documented cerebrovascular accidents; and 3 developed ventricular dysfunction...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28100834/soft-robotic-sleeve-supports-heart-function
#10
Ellen T Roche, Markus A Horvath, Isaac Wamala, Ali Alazmani, Sang-Eun Song, William Whyte, Zurab Machaidze, Christopher J Payne, James C Weaver, Gregory Fishbein, Joseph Kuebler, Nikolay V Vasilyev, David J Mooney, Frank A Pigula, Conor J Walsh
There is much interest in form-fitting, low-modulus, implantable devices or soft robots that can mimic or assist in complex biological functions such as the contraction of heart muscle. We present a soft robotic sleeve that is implanted around the heart and actively compresses and twists to act as a cardiac ventricular assist device. The sleeve does not contact blood, obviating the need for anticoagulation therapy or blood thinners, and reduces complications with current ventricular assist devices, such as clotting and infection...
January 18, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28100832/reporter-gene-imaging-of-targeted-t-cell-immunotherapy-in-recurrent-glioma
#11
Khun Visith Keu, Timothy H Witney, Shahriar Yaghoubi, Jarrett Rosenberg, Anita Kurien, Rachel Magnusson, John Williams, Frezghi Habte, Jamie R Wagner, Stephen Forman, Christine Brown, Martin Allen-Auerbach, Johannes Czernin, Winson Tang, Michael C Jensen, Behnam Badie, Sanjiv S Gambhir
High-grade gliomas are aggressive cancers that often become rapidly fatal. Immunotherapy using CD8(+) cytotoxic T lymphocytes (CTLs), engineered to express both herpes simplex virus type 1 thymidine kinase (HSV1-TK) and interleukin-13 (IL-13) zetakine chimeric antigen receptor (CAR), is a treatment strategy with considerable potential. To optimize this and related immunotherapies, it would be helpful to monitor CTL viability and trafficking to glioma cells. We show that noninvasive positron emission tomography (PET) imaging with 9-[4-[(18)F]fluoro-3-(hydroxymethyl)butyl]guanine ([(18)F]FHBG) can track HSV1-tk reporter gene expression present in CAR-engineered CTLs...
January 18, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28100527/transnasal-humidified-rapid-insufflation-ventilatory-exchange-thrive-in-children-a-randomized-controlled-trial
#12
S Humphreys, P Lee-Archer, G Reyne, D Long, T Williams, A Schibler
BACKGROUND: Transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) was introduced to adult anaesthesia to improve the safety of airway management during apnoea before intubation. The objective of our study was to determine whether THRIVE safely prolongs apnoeic oxygenation in children. METHODS: This was a randomized controlled trial in 48 healthy children, with normal airways and cardiorespiratory function, in age groups 0-6 and 7-24 months, 2-5 and 6-10 yr old, presenting for elective surgery or imaging under general anaesthesia...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100498/the-predominant-cd4-th1-cytokine-elicited-to-chlamydia-trachomatis-infection-in-women-is-tumor-necrosis-factor-alpha-not-interferon-gamma
#13
Stephen J Jordan, Kanupriya Gupta, Brian M O Ogendi, Rakesh K Bakshi, Richa Kapil, Christen G Press, Steffanie Sabbaj, Jeannette Y Lee, William M Geisler
Chlamydia trachomatis infection is the most prevalent bacterial sexually transmitted infection and can cause significant reproductive morbidity in women. There is insufficient knowledge of C. trachomatis-specific immune responses in humans, which could be important in guiding vaccine development efforts. In contrast, murine models have clearly demonstrated the essential role of Type 1 T helper cells (Th1), especially interferon-gamma (IFN-γ) producing CD4(+) T-cells, in protective immunity to chlamydia. To determine the frequency and magnitude of Th1 cytokine responses elicited to C...
January 18, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28100446/commentaries-on-viewpoint-a-time-for-exercise-the-exercise-window
#14
Normand G Boulé, Tasuku Terada, Monique E Francois, John A Hawley, James D Cotter, Nicholas T Kruse, Matthew W McDonald, T Dylan Olver, Antonio Paoli, Massimo Sacchetti, Luigi Di Luigi, Jan-Willem van Dijk, Luc J C van Loon, Jane Yardley, Loretta DiPietro, Andrei Gribok, William Rumpler
No abstract text is available yet for this article.
January 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28100103/systematic-review-of-genetic-risk-factors-for-sustaining-a-mild-traumatic-brain-injury
#15
William Panenka, Andrew Gardner, Michael Dretsch, Gogce Crynen, Fiona C Crawford, Grant L Iverson
INTRODUCTION: This systematic review examined the association between genetics and risk for sustaining a traumatic brain injury. METHODS: Articles published in English from 1980 to July 2016 obtained from the online databases PubMed, PsycINFO®, MEDLINE®, EMBASE, and Web of Science. RESULTS: 5,903 articles were identified, 77 underwent full-text screening, and six were included in this review. Five studies examined the risk of concussion associated with Apolipoprotein E alleles (APOE-ε2 ,ε3 ,ε4,), and polymorphisms of the APOE promoter (rs405509), Brain Derived Neurotrophic Factor (BDNF, rs6265), and Dopamine Receptor D2 (DRD2, rs1800497) were each considered in two studies...
January 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28099507/correlations-of-behavioral-deficits-with-brain-pathology-assessed-through-longitudinal-mri-and-histopathology-in-the-hdhq150-q150-mouse-model-of-huntington-s-disease
#16
Ivan Rattray, Edward J Smith, William R Crum, Thomas A Walker, Richard Gale, Gillian P Bates, Michel Modo
A variety of mouse models have been developed that express mutant huntingtin (mHTT) leading to aggregates and inclusions that model the molecular pathology observed in Huntington's disease. Here we show that although homozygous HdhQ150 knock-in mice developed motor impairments (rotarod, locomotor activity, grip strength) by 36 weeks of age, cognitive dysfunction (swimming T maze, fear conditioning, odor discrimination, social interaction) was not evident by 94 weeks. Concomitant to behavioral assessments, T2-weighted MRI volume measurements indicated a slower striatal growth with a significant difference between wild type (WT) and HdhQ150 mice being present even at 15 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28099036/another-generation-of-stigma-assessing-healthcare-student-perceptions-of-hiv-positive-patients-in-mwanza-tanzania
#17
Sahil Aggarwal, Debora H Lee, William B Minteer, Reece T H Fenning, Shella K Raja, Megan E Bernstein, Kaavya R Raman, Sean P Denny, Priya A Patel, Mark Lieber, Allison O Farfel, Catherine A Diamond
HIV-related stigma remains a persistent global health concern among people living with HIV/AIDS (PLWA) in developing nations. The literature is lacking in studies about healthcare students' perceptions of PLWA. This study is the first effort to understand stigmatizing attitudes toward HIV-positive patients by healthcare students in Mwanza, Tanzania, not just those who will be directly treating patients but also those who will be indirectly involved through nonclinical roles, such as handling patient specimens and private health information...
January 18, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28098440/corrosion-protection-of-copper-using-al2o3-tio2-zno-hfo2-and-zro2-atomic-layer-deposition
#18
James S Daubert, Grant T Hill, Hannah N Gotsch, Antoine P Gremaud, Jennifer S Ovental, Philip S Williams, Christopher J Oldham, Gregory N Parsons
Atomic layer deposition (ALD) is a viable means to add corrosion protection to copper metal. Ultrathin films of Al2O3, TiO2, ZnO, HfO2, and ZrO2 were deposited on copper metal using ALD, and their corrosion protection properties were measured using electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV). Analysis of ∼50 nm thick films of each metal oxide demonstrated low electrochemical porosity and provided enhanced corrosion protection from aqueous NaCl solution. The surface pretreatment and roughness was found to affect the extent of the corrosion protection...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28097645/bacterial-subversion-of-camp-signalling-inhibits-cathelicidin-expression-which-is-required-for-innate-resistance-to-mycobacterium-tuberculosis
#19
Shashank Gupta, Kathryn Winglee, Richard Gallo, William R Bishai
Antimicrobial peptides such as cathelicidins are an important component of innate immune defence against inhaled microorganisms and have demonstrated antimicrobial activity against Mycobacterium tuberculosis with in vitro models. Despite this, little is known about the regulation and expression of cathelicidin during tuberculosis in vivo. We sought to determine whether the cathelicidin-related antimicrobial peptide (Cramp) gene, the murine functional homologue of the human cathelicidin gene (CAMP or LL-37), is required for regulating protective immunity during M...
January 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28097515/distress-is-interdependent-in-patients-and-caregivers-with-newly-diagnosed-incurable-cancers
#20
Jamie M Jacobs, Kelly M Shaffer, Ryan D Nipp, Joel N Fishbein, James MacDonald, Areej El-Jawahri, William F Pirl, Vicki A Jackson, Elyse R Park, Jennifer S Temel, Joseph A Greer
BACKGROUND: Individuals with advanced, incurable cancer often experience high physical and psychological symptom burden. Family and friend caregivers are at risk for emotional distress. PURPOSE: The aim of the study is to investigate the interrelationship of distress in patient-caregiver dyads at the time of newly diagnosed incurable cancer. METHODS: From May 2011 to July 2015, within 8 weeks of diagnosis of advanced lung or noncolorectal gastrointestinal cancer, 350 patients and 275 family caregivers were enrolled in a randomized controlled trial of early palliative care...
January 17, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
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