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https://www.readbyqxmd.com/read/29792990/identification-of-group-a-rotaviruses-from-zambian-fruit-bats-provides-evidence-for-long-distance-dispersal-events-in-africa
#1
Michihito Sasaki, Masahiro Kajihara, Katendi Changula, Akina Mori-Kajihara, Hirohito Ogawa, Bernard M Hang'ombe, Aaron S Mweene, Martin Simuunza, Reiko Yoshida, Michael Carr, Yasuko Orba, Ayato Takada, Hirofumi Sawa
Group A rotavirus (RVA) is a major cause of diarrhea in children worldwide. Although RVA infects many animals, little is known about RVA in bats. The present study investigated the genetic diversity of RVA in Zambian bats. We identified RVA from two straw-colored fruit bats (Eidolon helvum) and an Egyptian fruit bat (Rousettus aegyptiacus), and analyzed the genome sequences of these strains. Genome segments of the RVA strains from Zambian E. helvum showed 97%-99% nucleotide sequence identity with those of other RVA strains from E...
May 21, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29792928/translation-of-dipeptide-repeat-proteins-from-the-c9orf72-expanded-repeat-is-associated-with-cellular-stress
#2
Yoshifumi Sonobe, Ghanashyam Ghadge, Katsuhisa Masaki, Ataman Sendoel, Elaine Fuchs, Raymond P Roos
Expansion of a hexanucleotide repeat (HRE), GGGGCC, in the C9ORF72 gene is recognized as the most common cause of familial amyotrophic lateral sclerosis (FALS), frontotemporal dementia (FTD) and ALS-FTD, as well as 5-10% of sporadic ALS. Despite the location of the HRE in the non-coding region (with respect to the main C9ORF72 gene product), dipeptide repeat proteins (DPRs) that are thought to be toxic are translated from the HRE in all three reading frames from both the sense and antisense transcript. Here, we identified a CUG translation initiation codon that has a good Kozak consensus sequence as the translation initiation codon...
May 21, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29792886/t-grasp-a-targeted-grasp-for-assessing-neuronal-connectivity
#3
Harold K Shearin, Casey D Quinn, Robert D Mackin, Ian S Macdonald, R Steven Stowers
BACKGROUND: Understanding how behaviors are generated by neural circuits requires knowledge of the synaptic connections between the composite neurons. Methods for mapping synaptic connections, such as electron microscopy and paired recordings, are labor intensive and alternative methods are thus desirable. NEW METHOD: Development of a targeted GFP Reconstitution Across Synaptic Partners(GRASP) method, t-GRASP, for assessing neural connectivity is described. RESULTS: Numerous different pre-synaptic and post-synaptic/dendritic proteins were tested for enhancing the specificity of GRASP signal to synaptic regions...
May 21, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29792801/developing-a-novel-sulfoxide-containing-ms-cleavable-homobifunctional-cysteine-reactive-cross-linker-for-studying-protein-protein-interactions
#4
Craig B Gutierrez, Sarah A Block, Clinton Yu, Stephanie M Soohoo, Alexander S Huszagh, Scott D Rychnovsky, Lan Huang
Cross-linking mass spectrometry (XL-MS) has become an emerging technology for defining protein-protein interactions (PPIs) and elucidating architectures of large protein complexes. Up to now, the mostly widely used cross-linking reagents are targeting lysines. While such reagents have been successfully applied to map PPIs at the proteome-wide scale, comprehensive PPI profiling would require additional cross-linking chemistries. Cysteine is one of the most reactive amino acids and an attractive target for cross-linking owing to its unique role in protein structures...
May 24, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29792757/field-trials-of-ontario-rabies-vaccine-bait-in-the-northeastern-usa-2012-14
#5
Amy T Gilbert, Shylo R Johnson, Kathleen M Nelson, Richard B Chipman, Kurt C VerCauteren, Timothy P Algeo, Charles E Rupprecht, Dennis Slate
In the US, rabies virus (RV) has been enzootic in raccoons ( Procyon lotor) since the late 1940s. Oral rabies vaccination (ORV) was implemented in the 1990s to halt the spread of raccoon RV and continues to be used as a wildlife management tool. Our objective was to evaluate a recombinant human adenovirus-rabies virus glycoprotein vaccine in northern New York, Vermont, and New Hampshire over a 3-yr period, using changes in RV neutralizing antibody (RVNA) seroprevalence in raccoon populations as an immunologic index of ORV impact...
May 24, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29792752/expanding-the-reach-of-early-psychosis-intervention
#6
Eric Macnaughton
No abstract text is available yet for this article.
June 2018: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/29792734/clinical-updates-on-perianal-fistulas-in-crohn-s-disease
#7
Ori Rackovsky, Robert Hirten, Ryan Ungaro, Jean-Frederic Colombel
Perianal fistulizing disease is an aggressive and debilitating phenotype of Crohn's disease (CD), representing a significant therapeutic challenge. New work has led to advancement in epidemiology and long term outcomes of perianal disease. The range of therapeutic options continues to expand, including new biologic agents, biosimilars, and stem cell therapy. Areas covered: We discuss updates to all aspects of management of perianal disease, with a focus on the last three years of published data. Areas considered include new data on epidemiology and prognostication, medical and surgical therapy, and stem cell therapy...
May 24, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29792730/nivolumab-for-the-treatment-of-colorectal-cancer
#8
Kortnye Maureen Smith, Jayesh Desai
Despite a variety of therapies for advanced metastatic colorectal cancer being available, the outcomes in this malignancy remain sub-optimal. Immunotherapy has been slow to impact the management of this patient group. Checkpoint inhibitors, such as nivolumab, have had disappointing results when used broadly. However, for the subset of patients with microsatellite unstable colorectal cancer the use of checkpoint inhibitors such as nivolumab appears to be transformative, and will provide a new therapeutic option for patient with advanced disease...
May 24, 2018: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29792716/options-to-improve-the-quality-of-kidney-grafts-from-expanded-criteria-donors-experimental-study
#9
J Molacek, V Opatrný, V Treska, R Matejka, O Hes
INTRODUCTION: There is a worldwide discrepancy between the number of donors and the number of organs needed for transplantation, leading to certain expansion of criteria, resulting in acceptance of donor organs. This means that organs with worse parenchymal qualities may be harvested for transplantation. One possibility, how to ameliorate the quality of these organs, is to change the concept of their preservation during cold ischemia or even after sudden circulatory arrest, prior to the collection of the organ itself...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29792712/targeted-discovery-and-combinatorial-biosynthesis-of-polycyclic-tetramate-macrolactam-combamides-a-e
#10
Yan Liu, Haoxin Wang, Rentai Song, Jining Chen, Tianhong Li, Yaoyao Li, Liangcheng Du, Yuemao Shen
Polycyclic tetramate macrolactams (PoTeMs) are a growing class of natural products with distinct structure and diverse biological activities. By promoter engineering and heterologous expression of the cryptic cbm gene cluster, four new PoTeMs, combamides A-E (1-4), were identified. Additionally, two new derivatives, combamides E (5) and F (6), were generated via combinatorial biosynthesis. Together, our findings provide a sound base for expanding the structure diversities of PoTeMs through genome mining and combinatorial biosynthesis...
May 24, 2018: Organic Letters
https://www.readbyqxmd.com/read/29792711/interfacial-emulsification-an-emerging-monodisperse-droplet-generation-method-for-microreactors-and-bioanalysis
#11
Shenglong Liao, Yi Tao, Wenbin Du, Yapei Wang
Generation of uniform droplets has been extensively investigated owing to its profound potentials both in scientific research and engineering applications. Although various methods have been put forward to expand this area, new innovations are still needed to improve the technical convenience and save instrumental cost. In this feature article, we highlight an Interfacial Emulsification technique that we developed in the past several years. This technique serves as a platform for preparing uniform droplets that are formed on the air-liquid interface of the continuous phase based on interfacial shearing...
May 24, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29792690/a-general-method-to-increase-stokes-shift-by-introducing-alternating-vibronic-structures
#12
Tian-Bing Ren, Wang Xu, Wei Zhang, Xing-Xing Zhang, Zhi-Yao Wang, Zhen Xiang, Lin Yuan, Xiaobing Zhang
Fluorescent dyes have enabled the progress of the broad biomedical fields. However, many commercially available dyes suffer from small Stokes shifts, resulting in poor signal-to-noise ratio and self-quenching on current microscope configuration. In this work, we have developed a general method to significantly increase the Stokes shifts of common fluorophores. By simply appending a 1,4-diethyl-decahydro-quinoxaline (DQ) moiety onto the conjugated structure, we introduced a vibronic backbone that could facilely expand the Stokes shifts, emission wavelength and photo-stability of eleven different fluorophores by more than 3-fold...
May 24, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29792672/biosynthesis-of-lincosamide-antibiotics-reactions-associated-with-degradation-and-detoxification-pathways-play-a-constructive-role
#13
Daozhong Zhang, Zhijun Tang, Wen Liu
Natural products typically are small molecules produced by living organisms. These products possess a wide variety of biological activities and thus have historically played a critical role in medicinal chemistry and chemical biology either as chemotherapeutic agents or as useful tools. Natural products are not synthesized for use by human beings; rather, living organisms produce them in response to various biochemical processes and environmental concerns, both internal and external. These processes/concerns are often dynamic and thus motivate the diversification, optimization, and selection of small molecules in line with changes in biological function...
May 24, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29792555/vaccine-hesitancy-among-caregivers-and-association-with-childhood-vaccination-timeliness-in-addis-ababa-ethiopia
#14
Nina B Masters, Yemesrach A Tefera, Abram L Wagner, Matthew L Boulton
INTRODUCTION: Vaccines are vital to reducing childhood mortality, and prevent an estimated 2 to 3 million deaths annually which disproportionately occur in the developing world. Overall vaccine coverage is typically used as a metric to evaluate the adequacy of vaccine program performance, though it does not account for untimely administration, which may unnecessarily prolong children's susceptibility to disease. This study explored a hypothesized positive association between increasing vaccine hesitancy and untimeliness of immunizations administered under the Expanded Program on Immunization (EPI) in Addis Ababa, Ethiopia...
May 24, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29792488/asian-americans-and-materialism-exploring-the-phenomenon-and-its-why-and-when
#15
Jia Wei Zhang
OBJECTIVES: Consumer values, including but not limited to materialism, have received much less attention than other topics within research on Asian Americans. METHODS: Across 3 studies (N = 6,955), the author explored the difference between Asian Americans and White/European Americans on materialism, and the mediating and moderating mechanisms. RESULTS: Studies 1a-1c found Asian Americans, compared to White/European Americans, more strongly endorsed materialistic values...
May 24, 2018: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/29792470/the-science-of-teamwork-progress-reflections-and-the-road-ahead
#16
Eduardo Salas, Denise L Reyes, Susan H McDaniel
We need teams in nearly every aspect of our lives (e.g., hospitals, schools, flight decks, nuclear power plants, oil rigs, the military, and corporate offices). Nearly a century of psychological science has uncovered extensive knowledge about team-related processes and outcomes. In this article, we draw from the reviews and articles of this special issue to identify 10 key reflections that have arisen in the team literature, briefly summarized here. Team researchers have developed many theories surrounding the multilayered aspects of teams, such that now we have a solid theoretical basis for teams...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29792446/an-expanded-theory-of-alzheimer-s-caregiving
#17
Samantha F Lang, Blaine J Fowers
The ancient and cross-culturally prevalent pattern of caregiving suggests that long-term caregiving is species characteristic for humans. If so, then an evolutionary account of the adaptation(s) that underwrite this caregiving is necessary, particularly for the one-sided and long-term nature of Alzheimer's caregiving. Four standard evolutionary explanations are evaluated: kin selection theory, the grandmother hypothesis, direct reciprocity, and indirect reciprocity. Each is found inadequate to explain caregiving because of the lack of reproductive benefits...
May 24, 2018: American Psychologist
https://www.readbyqxmd.com/read/29792283/repurposing-available-drugs-for-neurodevelopmental-disorders-the-fragile-x-experience
#18
REVIEW
Michael R Tranfaglia, Clare Thibodeaux, Daniel J Mason, David Brown, Ian Roberts, Richard Smith, Tim Guilliams, Patricia Cogram
Many available drugs have been repurposed as treatments for neurodevelopmental disorders. In the specific case of fragile X syndrome, many clinical trials of available drugs have been conducted with the goal of disease modification. In some cases, detailed understanding of basic disease mechanisms has guided the choice of drugs for clinical trials, and several notable successes in fragile X clinical trials have led to common use of drugs such as minocycline in routine medical practice. Newer technologies like Disease-Gene Expression Matching (DGEM) may allow for more rapid identification of promising repurposing candidates...
May 4, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29792274/ex-vivo-expanded-natural-regulatory-t-cells-from-patients-with-end-stage-renal-disease-or-kidney-transplantation-are-useful-for-autologous-cell-therapy
#19
Sybille Landwehr-Kenzel, Anne Zobel, Henrike Hoffmann, Niels Landwehr, Michael Schmueck-Henneresse, Thomas Schachtner, Andy Roemhild, Petra Reinke
Novel concepts employing autologous, ex vivo expanded natural regulatory T cells (nTreg) for adoptive transfer has potential to prevent organ rejection after kidney transplantation. However, the impact of dialysis and maintenance immunosuppression on the nTreg phenotype and peripheral survival is not well understood, but essential when assessing patient eligibility. The current study investigates regulatory T-cells in dialysis and kidney transplanted patients and the feasibility of generating a clinically useful nTreg product from these patients...
June 2018: Kidney International
https://www.readbyqxmd.com/read/29792188/health-related-quality-of-life-in-multiple-sclerosis-temperament-outweighs-edss
#20
S Salhofer-Polanyi, F Friedrich, S Löffler, P S Rommer, A Gleiss, R Engelmaier, F Leutmezer, B Vyssoki
BACKGROUND: The influence of personality on health-related quality of life in patients with multiple sclerosis has been the focus of previous studies showing that introversion and neuroticism were related with reduced health related quality of life. However, no data exist on the impact of temperament on quality of life in this patient group. METHODS: Between April 2014 and March 2016 139 multiple sclerosis patients were recruited from a specialized outpatient clinic of the general hospital of Vienna...
May 23, 2018: BMC Psychiatry
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