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Researchers are using a herpes virus that produces a firefly enzyme to illuminate the virus’s course of infection in mice and to help monitor the infection’s response to therapy. The work is published by scientists at Washington University School of Medicine in St. Louis in the December issue of the Journal of Virology.
“This study demonstrates the feasibility of monitoring microbial infections in living animals in real time,” says study leader David A. Leib, Ph.D., associate prof
Indiana resident Luke Pascale runs two pizza restaurants and had worked out three times a week. He also enjoyed long bike rides with his wife, but last year, the pain in his hip became so severe he couldn’t stay on a bike for more than five minutes.
“I’m very active so the thought of having hip surgery was not pleasant,” said the 53-year-old father of four from St. John, Ind.
Instead of receiving the traditional hip replacement surgery, which uses a metal ball bearing in a polyeth
A group of researchers at The Scripps Research Institute (TSRI) have developed a novel DNA vaccine that helps the body resist the growth of cancerous tumors by choking off the tumors’ blood supply.
“We stimulate the immune system to recognize proliferating blood vessels in the tumor vasculature and to recruit killer T cells to destroy these vessels,” explains TSRI Immunology Professor Ralph Reisfeld, Ph.D., who conducted the study with Research Associate Andreas G. Niethammer, M.D., an
Age is the ’equalizer,’ according to a study that provides new insights into why women live longer than men
Men die earlier than women. This fact leads scientists and medical researchers to conclude that gender and age are two basic factors continuously affecting body functions, disease categories and even life expectancy. Previous research has determined that gender influences brain structure and functions; however, in considering the cardiac pacemaker, there is still debat
MRI used in a breakthrough study to explore how we gather information
How do we learn? At the same time, when learning is conscious, does the brain engage in learning based on experience? Many scientists have believed that the two processes are independent of each other. Now, new research findings published in the current edition of the Journal of Neurophysiology, suggest otherwise.
Background
Procedural learning, such as perceptual-motor sequence learning, is thought
T cells and antibody-producing B cells carry out immune defense against specific pathogens such as viruses. Antibodies and T cell receptors are highly diverse molecules that can recognize millions of different molecules. Upon encounter of a foreign antigen (such as a molecule from the surface of a virus), T cells and B cells whose receptors match that particular antigen expand dramatically, providing the immune system with a large number of very specific defenders. After an attack is fought off, the