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Tag: "virus" at biology news

Female sex hormones play a vital role in defense against sexually transmitted diseases

...eams could be formulated that would prevent herpes virus infection before they could start. Additionally sh... and progesterone, were protected, but only if the virus doses were weakened. In the second study, just like in the first study, mice were treated with horm...

Spider Venom Could Yield Eco-Friendly Insecticides

...mber of species within a genus. The toxin-enhanced virus would act like a magic insecticide bullet, targeti...al insecticides, the toxins used in the engineered virus would not end up in the food supply. Recent laboratory research on cockroaches and tobacco budworms...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...glycogen-degrading enzyme with an adeno-associated virus (AAV) vector. AAV is not associated with any known...mice. Six weeks after muscular injection with the virus containing the muscle-restricted gene, mice exhibited high levels of the enzyme and reduced glycogen...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

... Those are, respectively, a harmless bacterium and virus comparable to, and substituted for, disease-causin...s agents and measured how much of the bacteria and virus remained afterwards. Sixty-two adults volunteered for and participated in the study. Investigators ...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...-vectored?approach, in which a naturally occurring virus isre-engineered to be propagation defective but st...ne system.The basis for this new vaccine is an RNA virus called VEE, forVenezuelan equine encephalitis, which in its natural form can causedisease in horses....

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...-vectored?approach, in which a naturally occurring virus isre-engineered to be propagation defective but st...ne system.The basis for this new vaccine is an RNA virus called VEE, forVenezuelan equine encephalitis, which in its natural form can causedisease in horses....

Studies reveal methods viruses use to sidestep immune system

...scade of host immune defenses when the hepatitis C virus (HCV) replicates in cultured human cells. Those i...ow HCV sidesteps the immune response, allowing the virus to replicate unchecked. Dr. Michael Gale, associate professor of microbiology at UT Southwestern an...

New SARS Protein Linked To Important Cell Doorway

...ability to cause disease and death. When the SARS virus first jumped from its still unknown animal reservo...ovel viruses used to be the ability to isolate the virus and grow it in a culture," notes lead author Daved Fremont, Ph.D., assistant professor of biochemist...

NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention

...ully prevent transmission of -- this strain of the virus by encouraging gay men, in particular, to practice safer sex and use condoms during all sexual encounters." "This case in New York underscores the crucial need to step up collaborative efforts among public health officials, medical providers and AID...

NIAID Initiates Trial of Experimental Avian Flu Vaccine

... the public health community is concerned that the virus will develop the capability of efficiently spreadi... which is an inactivated vaccine made from an H5N1 virus isolated in Southeast Asia in 2004. Sanofi pasteur, formerly Aventis Pasteur, was awarded a contract...

Nano-Probes Allow an Inside Look at Cell Nuclei

...guards the entrance into the nucleus. In nature, a virus called SV40 is coated with a protein that binds to...clear trafficking mechanism, a ploy that gives the virus an unhindered ride inside the nucleus. Chen and Gerion obtained a portion of this protein and attach...

New studies suggest airborne SARS transmission is possible

Two new studies present evidence that the virus causing severe acute respiratory syndrome (SARS) m...erimental confirmation of the presence of the SARS virus in the air of an infected patient's hospital room. The authors cautioned that their results do not ...

UCLA scientists transform HIV into cancer-seeking missile

Camouflaging an impotent AIDS virus in new clothes enables it to hunt down metastasize...added the protein that makes fireflies glow to the virus in order to track its journey from the bloodstream to new tumors in the animals' lungs. "For the pa...

FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media

...ative and not seek medical treatment or spread the virus to others. The tests were sold through websites and distributed throughout the U.S., usually by overnight delivery services. These have been made available for sale on several websites, including www.htkit.com and www.hstkits.com. The kits usually a...

Influenza vaccine uses insect cells to speed development

...ur cell-based method, the time from receipt of the virus strain to the final vaccine product would be short...eggs. The eggshell is punctured, and the influenza virus is injected into the fluid surrounding the embryo. The egg is then resealed, the embryo becomes infe...

How an AIDS-Related Cancer Unleashes Inflammation

...ll contribute to understanding how the responsible virus produces cytokines, there are likely other mechanisms at work as well, Ganem emphasized. Other viral genes are also known to be involved in cytokine pathways, he said. Developing countries ?where HIV treatments are not readily available ?will be mos...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

... been that when you inject the envelope of the HIV virus into people or animals, no broadly neutralizing an... adaptive antibodies that target only the invading virus or other pathogens. Many widely used non-HIV vaccines "train" adaptive antibodies to seek out a uniq...

Antibiotic might fight HIV-induced neurological problems

...op even though antiretroviral therapy controls the virus elsewhere in the body. Five monkeys infected with simian immunodeficiency virus (SIV), a very close relative of HIV, and treated with minocycline had less damage to brain cells, le...

Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer

...se a system that consistently converts the measles virus into a therapeutic killer that hunts down and dest...g and commandeering cells, and then redirected the virus to attack diseased, rather than healthy cells. The work was done on laboratory animals implanted wit...

NYU study reveals how brain's immune system fights viral encephalitis

... Virology, show that proteins in neurons fight the virus at multiple stages--by preventing the formation of...y of Southern California. Recently, the West Nile virus has been responsible for a viral encephalitis outbreak in the northeast. The NYU researchers set out...

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