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https://www.readbyqxmd.com/read/27872188/a-monoclonal-antibody-to-cryptococcus-neoformans-glucuronoxylomannan-manifests-hydrolytic-activity-for-both-peptides-and-polysaccharides
#1
Anthony Bowen, Maggie P Wear, Radames Cordero, Stefan Oscarson, Arturo Casadevall
Studies in the 1980s first showed that some natural antibodies were "catalytic" and able to hydrolyze peptide or phosphodiester bonds in antigens. Many naturally occurring catalytic antibodies have since been isolated from human sera and associated with positive and negative outcomes in autoimmune disease and infection. The function and prevalence of these antibodies, however, remains unclear. A previous study suggested that the 18B7 monoclonal antibody against glucuronoxylomannan (GXM)--the major component of the Cryptococcus neoformans polysaccharide capsule--hydrolyzed a peptide antigen mimetic...
November 21, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27834205/rigorous-science-a-how-to-guide
#2
EDITORIAL
Arturo Casadevall, Ferric C Fang
Proposals to improve the reproducibility of biomedical research have emphasized scientific rigor. Although the word "rigor" is widely used, there has been little specific discussion as to what it means and how it can be achieved. We suggest that scientific rigor combines elements of mathematics, logic, philosophy, and ethics. We propose a framework for rigor that includes redundant experimental design, sound statistical analysis, recognition of error, avoidance of logical fallacies, and intellectual honesty...
November 8, 2016: MBio
https://www.readbyqxmd.com/read/27822548/asm-journals-eliminate-impact-factor-information-from-journal-websites
#3
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
Many scientists attempt to publish their work in a journal with the highest possible journal impact factor (IF). Despite widespread condemnation of the use of journal IFs to assess the significance of published work, these numbers continue to be widely misused in publication, hiring, funding, and promotion decisions (1, 2).
July 2016: MSystems
https://www.readbyqxmd.com/read/27795401/reply-to-improving-microbiology-research-the-problems-are-less-statistical-and-more-biological
#4
Arturo Casadevall, Lee M Ellis, Erika W Davies, Margaret McFall-Ngai, Ferric C Fang
No abstract text is available yet for this article.
October 18, 2016: MBio
https://www.readbyqxmd.com/read/27775058/extracellular-vesicles-from-paracoccidioides-brasiliensis-induced-m1-polarization-in-vitro
#5
Thiago Aparecido da Silva, Maria Cristina Roque-Barreira, Arturo Casadevall, Fausto Almeida
Extracellular vesicles (EVs) released by eukaryotes, archaea, and bacteria contain proteins, lipids, polysaccharides, and other molecules. The cargo analysis of EVs shows that they contain virulence factors suggesting a role in the pathogenesis of infection. The proteome, lipidome, RNA content, and carbohydrate composition of EVs from Paracoccidioides brasiliensis and Paracoccidioides lutzii were characterized. However, the effects of P. brasiliensis EVs on the host immune system have not yet been investigated...
October 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27725930/combination-of-antiretroviral-drugs-and-radioimmunotherapy-specifically-kills-infected-cells-from-hiv-infected-individuals
#6
Dina Tsukrov, Alicia McFarren, Alfred Morgenstern, Frank Bruchertseifer, Eugene Dolce, Miroslaw K Gorny, Susan Zolla-Pazner, Joan W Berman, Ellie Schoenbaum, Barry S Zingman, Arturo Casadevall, Ekaterina Dadachova
Eliminating virally infected cells is an essential component of any HIV eradication strategy. Radioimmunotherapy (RIT), a clinically established method for killing cells using radiolabeled antibodies, was recently applied to target HIV-1 gp41 antigen expressed on the surface of infected cells. Since gp41 expression by infected cells is likely downregulated in patients on antiretroviral therapy (ART), we evaluated the ability of RIT to kill ART-treated infected cells using both in vitro models and lymphocytes isolated from HIV-infected subjects...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27716502/to-be-or-not-be-a-functional-antibody-against-tb
#7
COMMENT
Arturo Casadevall
In this issue of Cell, Lu et al. provide important insights on the efficacy of human antibodies to Mycobacterium tuberculosis and on how functional heterogeneity of the antibody response may explain a century of contradictory evidence for the role of humoral immunity in defense against tuberculosis.
October 6, 2016: Cell
https://www.readbyqxmd.com/read/27639628/revisiting-the-immunoglobulin-intramolecular-signaling-hypothesis
#8
Anthony Bowen, Arturo Casadevall
A generation ago, the immunoglobulin intramolecular signaling, or allosteric, hypothesis was abandoned in favor of the associative hypothesis, which posited that Fc receptor crosslinking produced the increased affinity of antigen-antibody complexes. This essay argues that there is sufficient evidence to resuscitate the allosteric hypothesis, at least for some antibodies.
September 14, 2016: Trends in Immunology
https://www.readbyqxmd.com/read/27639035/trends-in-incidence-and-survival-analysis-in-non-melanoma-skin-cancer-from-1994-to-2012-in-girona-spain-a-population-based-study
#9
J Rubió-Casadevall, A M Hernandez-Pujol, M C Ferreira-Santos, G Morey-Esteve, L Vilardell, G Osca-Gelis, N Vilar-Coromina, R Marcos-Gragera
INTRODUCTION: We present an epidemiological study focused on Non-melanoma skin cancers (NMSC), including squamous cell carcinoma (SCC), basal cell carcinoma (BCC), Merkel cell carcinoma (MCC), dermatofibrosarcoma protuberans (DFS) and adnexal and skin appendages neoplasm (ASAN), a neoplasm understudied in cancer registries. MATERIAL AND METHODS: We analyze trends of incidence and survival of NMSC registered with the Cancer Registry of Girona, Spain. RESULTS: We found 14389 cases of NMSC, accounting 3,474 SCC, 10729 BCC, 33 MCC, 61 DFSP and 71 ASAN...
December 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27583447/a-small-protein-associated-with-fungal-energy-metabolism-affects-the-virulence-of-cryptococcus-neoformans-in-mammals
#10
Erin E McClelland, Udupi A Ramagopal, Johanna Rivera, James Cox, Antonio Nakouzi, Moses M Prabu, Steven C Almo, Arturo Casadevall
The pathogenic yeast Cryptococcus neoformans causes cryptococcosis, a life-threatening fungal disease. C. neoformans has multiple virulence mechanisms that are non-host specific, induce damage and interfere with immune clearance. Microarray analysis of C. neoformans strains serially passaged in mice associated a small gene (CNAG_02591) with virulence. This gene, hereafter identified as HVA1 (hypervirulence-associated protein 1), encodes a protein that has homologs of unknown function in plant and animal fungi, consistent with a conserved mechanism...
September 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27578762/reply-to-funding-by-lottery-political-problems-and-research-opportunities
#11
Arturo Casadevall, Ferric C Fang
No abstract text is available yet for this article.
2016: MBio
https://www.readbyqxmd.com/read/27578761/moonshot-science-risks-and-benefits
#12
EDITORIAL
Arturo Casadevall, Ferric C Fang
Ever since the successful Apollo 11 Moon landing in 1969, a "moonshot" has come to signify a bold effort to achieve a seemingly impossible task. The Obama administration recently called for a moonshot to cure cancer, an initiative that has elicited mixed responses from researchers who welcome additional funding but worry about raising expectations. We suggest that a successful moonshot requires a sufficient understanding of the basic science underlying a problem in question so that efforts can be focused on engineering a solution...
2016: MBio
https://www.readbyqxmd.com/read/27578756/a-framework-for-improving-the-quality-of-research-in-the-biological-sciences
#13
EDITORIAL
Arturo Casadevall, Lee M Ellis, Erika W Davies, Margaret McFall-Ngai, Ferric C Fang
The American Academy of Microbiology convened a colloquium to discuss problems in the biological sciences, with emphasis on identifying mechanisms to improve the quality of research. Participants from various disciplines made six recommendations: (i) design rigorous and comprehensive evaluation criteria to recognize and reward high-quality scientific research; (ii) require universal training in good scientific practices, appropriate statistical usage, and responsible research practices for scientists at all levels, with training content regularly updated and presented by qualified scientists; (iii) establish open data at the timing of publication as the standard operating procedure throughout the scientific enterprise; (iv) encourage scientific journals to publish negative data that meet methodologic standards of quality; (v) agree upon common criteria among scientific journals for retraction of published papers, to provide consistency and transparency; and (vi) strengthen research integrity oversight and training...
2016: MBio
https://www.readbyqxmd.com/read/27562429/commentary-the-role-of-epidemiologists-in-funding-biomedical-education-and-research
#14
Melissa J Perry
Melissa Perry served as the president of the American College of Epidemiology from September 2014 to September 2015. This is a written version of her Presidential Address at the 2015 Annual Meeting. Her speech was inspired by a 2014 Wall Street Journal commentary by Dr. Ferric Fang of the Washington University School of Medicine and Dr. Arturo Casadevall of the Albert Einstein College of Medicine of Yeshiva University. They likened the process of submitting a research proposal to the National Institutes of Health to playing the Powerball lottery...
September 2016: Annals of Epidemiology
https://www.readbyqxmd.com/read/27412882/asm-journals-eliminate-impact-factor-information-from-journal-websites
#15
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
No abstract text is available yet for this article.
September 2016: Microbiology and Molecular Biology Reviews: MMBR
https://www.readbyqxmd.com/read/27408939/asm-journals-eliminate-impact-factor-information-from-journal-websites
#16
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
Many scientists attempt to publish their work in a journal with the highest possible journal impact factor (IF). Despite widespread condemnation of the use of journal IFs to assess the significance of published work, these numbers continue to be widely misused in publication, hiring, funding, and promotion decisions (1, 2).
July 2016: MSphere
https://www.readbyqxmd.com/read/27402961/asm-journals-eliminate-impact-factor-information-from-journal-websites
#17
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
No abstract text is available yet for this article.
September 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27402825/asm-journals-eliminate-impact-factor-information-from-journal-websites
#18
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
No abstract text is available yet for this article.
2016: MBio
https://www.readbyqxmd.com/read/27402659/asm-journals-eliminate-impact-factor-information-from-journal-websites
#19
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
No abstract text is available yet for this article.
October 2016: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/27401972/asm-journals-eliminate-impact-factor-information-from-journal-websites
#20
EDITORIAL
Arturo Casadevall, Stefano Bertuzzi, Michael J Buchmeier, Roger J Davis, Harold Drake, Ferric C Fang, Jack Gilbert, Barbara M Goldman, Michael J Imperiale, Philip Matsumura, Alexander J McAdam, Marcela F Pasetti, Rozanne M Sandri-Goldin, Thomas Silhavy, Louis Rice, Jo-Anne H Young, Thomas Shenk
No abstract text is available yet for this article.
September 15, 2016: Applied and Environmental Microbiology
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