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https://www.readbyqxmd.com/read/28492509/transcriptomic-profiling-of-the-allorecognition-response-to-grafting-in-the-demosponge-amphimedon-queenslandica
#1
Laura F Grice, Bernard M Degnan
Sponges, despite their simple body plan, discriminate between self and nonself with remarkable specificity. Sponge grafting experiments simulate the effects of natural self or nonself contact under laboratory conditions. Here we take a transcriptomic approach to investigate the temporal response to self and nonself grafts in the marine demosponge Amphimedon queenslandica. Auto- and allografts were established, observed and sampled over a period of three days, over which time the grafts either rejected or accepted, depending on the identity of the paired individuals, in a replicable and predictable manner...
May 11, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28479978/convergent-minds-ostension-inference-and-grice-s-third-clause
#2
Richard Moore
A prevailing view is that while human communication has an 'ostensive-inferential' or 'Gricean' intentional structure, animal communication does not. This would make the psychological states that support human and animal forms of communication fundamentally different. Against this view, I argue that there are grounds to expect ostensive communication in non-human clades. This is because it is sufficient for ostensive communication that one intentionally addresses one's utterance to one's intended interlocutor-something that is both a functional pre-requisite of successful communication and cognitively undemanding...
June 6, 2017: Interface Focus
https://www.readbyqxmd.com/read/28438788/associations-between-persistent-organic-pollutants-type-2-diabetes-diabetic-nephropathy-and-mortality
#3
Brian A Grice, Robert G Nelson, Desmond E Williams, William C Knowler, Clinton Mason, Robert L Hanson, Kai McKeever Bullard, Meda E Pavkov
OBJECTIVE: Relationships were examined between persistent organic pollutants (POPs) and incident type 2 diabetes, end-stage renal disease (ESRD) and mortality. METHODS: In a nested case-control study, 300 persons without diabetes had baseline examinations between 1969 and 1974; 149 developed diabetes (cases) and 151 remained non-diabetic (controls) during 8.0 and 23.1 years of follow-up, respectively. POPs were measured at baseline. ORs for diabetes were computed by logistic regression analysis...
April 24, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28386571/the-broken-ring-of-fire-a-new-radiological-sign-as-predictor-of-syndesmosis-injury
#4
James Calder, Adam Mitchell, Adam Lomax, Moez S Ballal, John Grice, Niek van Dijk, Justin Lee
BACKGROUND: Subcircumferential periosteal edema above the ankle joint is frequently present on magnetic resonance imaging (MRI) with syndesmosis injuries but has not been previously reported. Fluid height within the interosseous membrane also has not previously been shown to be associated with syndesmosis injury severity. PURPOSE: To investigate whether a new sign on MRI and measurement of the length of fluid within the interosseous membrane above the ankle may be used to enable identification of a syndesmosis injury and allow differentiation from lateral ligament injury...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28383682/kaposi-s-sarcoma-associated-herpesvirus-polyadenylated-nuclear-rna-a-structural-scaffold-for-nuclear-cytoplasmic-and-viral-proteins
#5
Joanna Sztuba-Solinska, Jason W Rausch, Rodman Smith, Jennifer T Miller, Denise Whitby, Stuart F J Le Grice
Kaposi's sarcoma-associated herpes virus (KSHV) polyadenylated nuclear (PAN) RNA facilitates lytic infection, modulating the cellular immune response by interacting with viral and cellular proteins and DNA. Although a number nucleoprotein interactions involving PAN have been implicated, our understanding of binding partners and PAN RNA binding motifs remains incomplete. Herein, we used SHAPE-mutational profiling (SHAPE-MaP) to probe PAN in its nuclear, cytoplasmic or viral environments or following cell/virion lysis and removal of proteins...
April 5, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28368977/cutaneous-burn-injury-promotes-shifts-in-the-bacterial-microbiome-in-autologous-donor-skin-implications-for-skin-grafting-outcomes
#6
Jennifer K Plichta, Xiang Gao, Huaiying Lin, Qunfeng Dong, Evelyn Toh, David E Nelson, Richard L Gamelli, Elizabeth A Grice, Katherine A Radek
INTRODUCTION: The cutaneous microbiome maintains skin barrier function, regulates inflammation, and stimulates wound healing responses. Burn injury promotes an excessive activation of the cutaneous and systemic immune response directed against commensal and invading pathogens. Skin grafting is the primary method of reconstructing full-thickness burns, and wound infection continues to be a significant complication. METHODS: In this study, the cutaneous bacterial microbiome was evaluated and subsequently compared to patient outcomes...
March 31, 2017: Shock
https://www.readbyqxmd.com/read/28349199/amyloid-%C3%AE-accumulation-in-the-cns-in-human-growth-hormone-recipients-in-the-uk
#7
Diane L Ritchie, Peter Adlard, Alexander H Peden, Suzanne Lowrie, Margaret Le Grice, Kimberley Burns, Rosemary J Jackson, Helen Yull, Michael J Keogh, Wei Wei, Patrick F Chinnery, Mark W Head, James W Ironside
Human-to-human transmission of Creutzfeldt-Jakob disease (CJD) has occurred through medical procedures resulting in iatrogenic CJD (iCJD). One of the commonest causes of iCJD was the use of human pituitary-derived growth hormone (hGH) to treat primary or secondary growth hormone deficiency. As part of a comprehensive tissue-based analysis of the largest cohort yet collected (35 cases) of UK hGH-iCJD cases, we describe the clinicopathological phenotype of hGH-iCJD in the UK. In the 33/35 hGH-iCJD cases with sufficient paraffin-embedded tissue for full pathological examination, we report the accumulation of the amyloid beta (Aβ) protein associated with Alzheimer's disease (AD) in the brains and cerebral blood vessels in 18/33 hGH-iCJD patients and for the first time in 5/12 hGH recipients who died from causes other than CJD...
March 27, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28296633/the-vacuolar-atpase-complex-and-assembly-factors-tmem199-and-ccdc115-control-hif1%C3%AE-prolyl-hydroxylation-by-regulating-cellular-iron-levels
#8
Anna L Miles, Stephen P Burr, Guinevere L Grice, James A Nathan
Hypoxia Inducible transcription Factors (HIFs) are principally regulated by the 2-oxoglutarate and Iron(II) prolyl hydroxylase (PHD) enzymes, which hydroxylate the HIFα subunit, facilitating its proteasome-mediated degradation. Observations that HIFα hydroxylation can be impaired even when oxygen is sufficient emphasise the importance of understanding the complex nature of PHD regulation. Here, we use an unbiased genome-wide genetic screen in near-haploid human cells to uncover cellular processes that regulate HIF1α...
March 15, 2017: ELife
https://www.readbyqxmd.com/read/28294975/reverse-transcription-in-the-saccharomyces-cerevisiae-long-terminal-repeat-retrotransposon-ty3
#9
REVIEW
Jason W Rausch, Jennifer T Miller, Stuart F J Le Grice
Converting the single-stranded retroviral RNA into integration-competent double-stranded DNA is achieved through a multi-step process mediated by the virus-coded reverse transcriptase (RT). With the exception that it is restricted to an intracellular life cycle, replication of the Saccharomyces cerevisiae long terminal repeat (LTR)-retrotransposon Ty3 genome is guided by equivalent events that, while generally similar, show many unique and subtle differences relative to the retroviral counterparts. Until only recently, our knowledge of RT structure and function was guided by a vast body of literature on the human immunodeficiency virus (HIV) enzyme...
March 15, 2017: Viruses
https://www.readbyqxmd.com/read/28277679/electrochemical-reduction-of-co2-catalyzed-by-re-pyridine-oxazoline-co-3cl-complexes
#10
John K Nganga, Christian R Samanamu, Joseph M Tanski, Carlos Pacheco, Cesar Saucedo, Victor S Batista, Kyle A Grice, Mehmed Z Ertem, Alfredo M Angeles-Boza
A series of rhenium tricarbonyl complexes coordinated by asymmetric diimine ligands containing a pyridine moiety bound to an oxazoline ring were synthesized, structurally and electrochemically characterized, and screened for CO2 reduction ability. The reported complexes are of the type Re(N-N)(CO)3Cl, with N-N = 2-(pyridin-2-yl)-4,5-dihydrooxazole (1), 5-methyl-2-(pyridin-2-yl)-4,5-dihydrooxazole (2), and 5-phenyl-2-(pyridin-2-yl)-4,5-dihydrooxazole (3). The electrocatalytic reduction of CO2 by these complexes was observed in a variety of solvents and proceeds more quickly in acetonitrile than in dimethylformamide (DMF) and dimethyl sulfoxide (DMSO)...
March 9, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28211841/predictors-of-employment-status-among-adults-with-autism-spectrum-disorder
#11
Alisha Ohl, Mira Grice Sheff, Sarah Little, Jamie Nguyen, Kelly Paskor, Aliza Zanjirian
BACKGROUND: In the United States, adults with Autism Spectrum Disorder (ASD) experience high rates of unemployment and underemployment in relation to adults with other disabilities and the general population. Yet there is little research examining their employment experiences and the predictors of employment status. OBJECTIVE: The purpose of this study was to examine the employment characteristics and histories of both employed and unemployed adults with ASD, and the factors that contributed to their employment status...
February 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28201872/online-quantification-of-criegee-intermediates-of-%C3%AE-pinene-ozonolysis-by-stabilization-with-spin-traps-and-proton-transfer-reaction-mass-spectrometry-detection
#12
Chiara Giorio, Steven J Campbell, Maurizio Bruschi, Francesco Tampieri, Antonio Barbon, Antonio Toffoletti, Andrea Tapparo, Claudia Paijens, Andrew J Wedlake, Peter Grice, Duncan J Howe, Markus Kalberer
Biogenic alkenes, which are among the most abundant volatile organic compounds in the atmosphere, are readily oxidized by ozone. Characterizing the reactivity and kinetics of the first-generation products of these reactions, carbonyl oxides (often named Criegee intermediates), is essential in defining the oxidation pathways of organic compounds in the atmosphere but is highly challenging due to the short lifetime of these zwitterions. Here, we report the development of a novel online method to quantify atmospherically relevant Criegee intermediates (CIs) in the gas phase by stabilization with spin traps and analysis with proton-transfer reaction mass spectrometry...
March 7, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28194314/evolutionary-and-functional-implications-of-hypervariable-loci-within-the-skin-virome
#13
Geoffrey D Hannigan, Qi Zheng, Jacquelyn S Meisel, Samuel S Minot, Frederick D Bushman, Elizabeth A Grice
Localized genomic variability is crucial for the ongoing conflicts between infectious microbes and their hosts. An understanding of evolutionary and adaptive patterns associated with genomic variability will help guide development of vaccines and antimicrobial agents. While most analyses of the human microbiome have focused on taxonomic classification and gene annotation, we investigated genomic variation of skin-associated viral communities. We evaluated patterns of viral genomic variation across 16 healthy human volunteers...
2017: PeerJ
https://www.readbyqxmd.com/read/28194120/sincere-deceitful-and-ironic-communicative-acts-and-the-role-of-the-theory-of-mind-in-childhood
#14
Francesca M Bosco, Ilaria Gabbatore
The aim of the study is to investigate the relationship among age, first- and second-order Theory of Mind and the increasing ability of children to understand and produce different kinds of communicative acts - sincere, ironic, and deceitful communicative acts - expressed through linguistic and extralinguistic expressive means. To communicate means to modify an interlocutor's mental states (Grice, 1989), and pragmatics studies the inferential processes that are necessary to fill the gap, which often exists in human communication, between the literal meaning of a speaker's utterance and what the speaker intends to communicate to the interlocutor...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28190633/novel-5-arylthio-5h-chromenopyridines-as-a-new-class-of-anti-fibrotic-agents
#15
Renukadevi Patil, Anandita Ghosh, Phoebus Sun Cao, Roger D Sommer, Kyle A Grice, Gulam Waris, Shivaputra Patil
Liver fibrosis is a critical wound healing response to chronic liver injury such as hepatitis C virus (HCV) infection. If persistent, liver fibrosis can lead to cirrhosis and hepatocellular carcinoma (HCC). The development of new therapies for preventing liver fibrosis and its progression to cancer associated with HCV infection remains a critical challenge. Identification of novel anti-fibrotic compounds will provide opportunities for innovative therapeutic intervention of HCV-mediated liver fibrosis. We designed and synthesized a focused set of 5-arylthio-5H-chromenopyridines as a new class of anti-fibrotic agents...
February 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28168677/examining-the-efficacy-of-a-family-peer-advocate-model-for-black-and-hispanic-caregivers-of-children-with-autism-spectrum-disorder
#16
J M Jamison, E Fourie, P M Siper, M P Trelles, Julia George-Jones, A Buxbaum Grice, J Krata, E Holl, J Shaoul, B Hernandez, L Mitchell, M M McKay, J D Buxbaum, Alexander Kolevzon
Autism spectrum disorder (ASD) affects individuals across all racial and ethnic groups, yet rates of diagnosis are disproportionately higher for Black and Hispanic children. Caregivers of children with ASD experience significant stressors, which have been associated with parental strain, inadequate utilization of mental health services and lower quality of life. The family peer advocate (FPA) model has been utilized across service delivery systems to provide family-to-family support, facilitate engagement, and increase access to care...
May 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28160355/the-effect-of-uni-and-bilateral-thalamic-deep-brain-stimulation-on-speech-in-patients-with-essential-tremor-acoustics-and-intelligibility
#17
RANDOMIZED CONTROLLED TRIAL
Johannes Becker, Michael T Barbe, Mariam Hartinger, Till A Dembek, Jil Pochmann, Jochen Wirths, Niels Allert, Doris Mücke, Anne Hermes, Ingo G Meister, Veerle Visser-Vandewalle, Martine Grice, Lars Timmermann
BACKGROUND: Deep brain stimulation (DBS) of the ventral intermediate nucleus (VIM) is performed to suppress medically-resistant essential tremor (ET). However, stimulation induced dysarthria (SID) is a common side effect, limiting the extent to which tremor can be suppressed. To date, the exact pathogenesis of SID in VIM-DBS treated ET patients is unknown. OBJECTIVE: We investigate the effect of inactivated, uni- and bilateral VIM-DBS on speech production in patients with ET...
April 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28104746/origin-and-evolution-of-the-sponge-aggregation-factor-gene-family
#18
Laura F Grice, Marie E A Gauthier, Kathrein E Roper, Xavier Fernàndez-Busquets, Sandie M Degnan, Bernard M Degnan
Although discriminating self from nonself is a cardinal animal trait, metazoan allorecognition genes do not appear to be homologous. Here, we characterize the Aggregation Factor (AF) gene family, which encodes putative allorecognition factors in the demosponge Amphimedon queenslandica, and trace its evolution across 24 sponge (Porifera) species. The AF locus in Amphimedon is comprised of a cluster of five similar genes that encode Calx-beta and Von Willebrand domains and a newly defined Wreath domain, and are highly polymorphic...
May 1, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28093576/synthetic-%C3%AE-hydroxytropolones-as-inhibitors-of-hiv-reverse-transcriptase-ribonuclease-h-activity
#19
Ryan P Murelli, Michael P D'Erasmo, Danielle R Hirsch, Christine Meck, Takashi Masaoka, Jennifer A Wilson, Baofeng Zhang, Rajat K Pal, Emilio Gallicchio, John A Beutler, Stuart F J Le Grice
HIV Reverse Transcriptase-associated ribonuclease H activity is a promising enzymatic target for drug development that has not been successfully targeted in the clinic. While the α-hydroxytropolone-containing natural products β-thujaplicinol and manicol have emerged as some of the most potent leads described to date, structure-function studies have been limited to the natural products and semi-synthetic derivatives of manicol. Thus, a library of α-hydroxytropolones synthesized through a convenient oxidopyrylium cycloaddition/ring-opening sequence have been tested in in vitro and cell-based assays, and have been analyzed using computational support...
September 1, 2016: MedChemComm
https://www.readbyqxmd.com/read/28090282/traceless-solid-phase-%C3%AE-hydroxytropolone-synthesis
#20
Michael P D'Erasmo, Takashi Masaoka, Jennifer A Wilson, Errol M Hunte, John A Beutler, Stuart F J Le Grice, Ryan P Murelli
α-Hydroxytropolones are established inhibitors of several therapeutically relevant binuclear metalloenzymes, and thus lead drug targets for various human diseases. We have leveraged a recently-disclosed three-component oxidopyrylium cycloaddition in the first solid-phase synthesis of α-hydroxytropolones. We also showed that, while minor impurities exist after cleavage and aqueous wash, the semi-crude products display activity in HIV RT-associated RNaseH enzymatic and cell-based assays consistent with pure molecules made in solution phase...
September 1, 2016: MedChemComm
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