News tagged with host
Researchers find human protein that prevents H1N1 influenza infection
Dec 17, 2009 |
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Howard Hughes Medical Institute researchers have identified a naturally occurring human protein that helps prevent infection by H1N1 influenza and other viruses, including West Nile and dengue virus.
Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
Dec 16, 2009 |
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(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
Parasite evades death by promoting host cell survival
Dec 08, 2009 |
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Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks cell ...
Genetic variations indicate risk of recurrence, secondary cancer among head and neck cancer patients
Dec 07, 2009 |
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Eighteen single-point genetic variations indicate risk of recurrence for early-stage head and neck cancer patients and their likelihood of developing a second type of cancer, researchers at The University of Texas M. D. Anderson ...
Researchers identify new mechanism of blocking HIV-1 from entering cells
Medicine & Health / HIV & AIDS
Nov 30, 2009 |
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Publishing in PLoS Pathogens, researchers at from the Kimmel Cancer Center at Jefferson have found a novel mechanism by which drugs block HIV-1 from entering host cells.
It takes two to infect: Structural biologists shed light on mechanism of invasion protein
Nov 30, 2009 |
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Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
Blocking biofilms: Alzheimer's research sheds light on potential treatments for urinary tract infections
Nov 25, 2009 |
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(PhysOrg.com) -- Research into Alzheimer's disease seems an unlikely approach to yield a better way to fight urinary tract infections (UTIs), but that's what scientists at Washington University School of Medicine in St. Louis ...
Maps Unveil the Source of Starburst Galaxy's Winds
Nov 18, 2009 |
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(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...
No-entry zones for AIDS virus
Medicine & Health / HIV & AIDS
Nov 12, 2009 |
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The AIDS virus inserts its genetic material into the genome of the infected cell. Scientists of the German Cancer Research Center have now shown for the first time that the virus almost entirely spares particular ...
Pathogen protection and virulence: Dark side of fungal membrane protein revealed
Nov 06, 2009 |
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Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and Montana State University have discovered a fungal protein that plays a key role in causing disease in plants and animals and which also shields ...
Inconspicuous leaf beetles reveal environment's role in formation of new species
Oct 30, 2009 |
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(PhysOrg.com) -- Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that ...
HIV tamed by designer 'leash'
Medicine & Health / HIV & AIDS
Oct 29, 2009 |
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Researchers have shown how an antiviral protein produced by the immune system, dubbed tetherin, tames HIV and other viruses by literally putting them on a leash, to prevent their escape from infected cells. The insights reported ...
Geologist analyzes earliest shell-covered fossil animals
Space & Earth / Earth Sciences
Oct 22, 2009 |
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The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, provide a window on evolution at this ...
The White Stuff: Marine Lab Team Seeks to Understand Coral Bleaching
Oct 20, 2009 |
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(PhysOrg.com) -- With technology similar to that used by physicians to perform magnetic resonance imaging (MRI) scans, researchers from six institutions -- including the National Institute of Standards and ...
