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6 papers 25 to 100 followers
By François B Intern
Sven Moller-Tank, Lorraine M Albritton, Paul D Rennert, Wendy Maury
UNLABELLED: T-cell immunoglobulin and mucin domain 1 (TIM-1) and other TIM family members were recently identified as phosphatidylserine (PtdSer)-mediated virus entry-enhancing receptors (PVEERs). These proteins enhance entry of Ebola virus (EBOV) and other viruses by binding PtdSer on the viral envelope, concentrating virus on the cell surface, and promoting subsequent internalization. The PtdSer-binding activity of the immunoglobulin-like variable (IgV) domain is essential for both virus binding and internalization by TIM-1...
June 2014: Journal of Virology
George G Daaboul, Carlos A Lopez, Jyothsna Chinnala, Bennett B Goldberg, John H Connor, M Selim Ünlü
Rapid, sensitive, and direct label-free capture and characterization of nanoparticles from complex media such as blood or serum will broadly impact medicine and the life sciences. We demonstrate identification of virus particles in complex samples for replication-competent wild-type vesicular stomatitis virus (VSV), defective VSV, and Ebola- and Marburg-pseudotyped VSV with high sensitivity and specificity. Size discrimination of the imaged nanoparticles (virions) allows differentiation between modified viruses having different genome lengths and facilitates a reduction in the counting of nonspecifically bound particles to achieve a limit-of-detection (LOD) of 5 × 10(3) pfu/mL for the Ebola and Marburg VSV pseudotypes...
June 24, 2014: ACS Nano
Darryl Falzarano, Heinz Feldmann
In a recent study published in Nature, Warren et al. describe the generation of a novel synthetic adenosine analogue, BCX4430, a synthetic drug-like small molecule that provides protection from Ebola and Marburg virus infection in animal models.
June 2014: Cell Research
Andrea Du Toit
No abstract text is available yet for this article.
April 16, 2014: Nature Reviews. Microbiology
Sylvain Baize, Delphine Pannetier, Lisa Oestereich, Toni Rieger, Lamine Koivogui, N'Faly Magassouba, Barrè Soropogui, Mamadou Saliou Sow, Sakoba Keïta, Hilde De Clerck, Amanda Tiffany, Gemma Dominguez, Mathieu Loua, Alexis Traoré, Moussa Kolié, Emmanuel Roland Malano, Emmanuel Heleze, Anne Bocquin, Stephane Mély, Hervé Raoul, Valérie Caro, Dániel Cadar, Martin Gabriel, Meike Pahlmann, Dennis Tappe, Jonas Schmidt-Chanasit, Benido Impouma, Abdoul Karim Diallo, Pierre Formenty, Michel Van Herp, Stephan Günther
In March 2014, the World Health Organization was notified of an outbreak of a communicable disease characterized by fever, severe diarrhea, vomiting, and a high fatality rate in Guinea. Virologic investigation identified Zaire ebolavirus (EBOV) as the causative agent. Full-length genome sequencing and phylogenetic analysis showed that EBOV from Guinea forms a separate clade in relationship to the known EBOV strains from the Democratic Republic of Congo and Gabon. Epidemiologic investigation linked the laboratory-confirmed cases with the presumed first fatality of the outbreak in December 2013...
October 9, 2014: New England Journal of Medicine
Chad E Mire, Joan B Geisbert, Krystle N Agans, Benjamin A Satterfield, Krista M Versteeg, Elizabeth A Fritz, Heinz Feldmann, Lisa E Hensley, Thomas W Geisbert
The filoviruses, Marburg virus (MARV) and Ebola virus, causes severe hemorrhagic fever with high mortality in humans and nonhuman primates. A promising filovirus vaccine under development is based on a recombinant vesicular stomatitis virus (rVSV) that expresses individual filovirus glycoproteins (GPs) in place of the VSV glycoprotein (G). These vaccines have shown 100% efficacy against filovirus infection in nonhuman primates when challenge occurs 28-35 days after a single injection immunization. Here, we examined the ability of a rVSV MARV-GP vaccine to provide protection when challenge occurs more than a year after vaccination...
2014: PloS One
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