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Scientists find a key to immune system's ability to remember
10-23-2006 · EurekAlert!An international team of scientists has ferreted out an important clue to how the key cells of the immune system are able to remember old foes and quickly mount a response to hold them at bay.
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Keywords: scientists, key, immune, system, ability, remember, scientist
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- MicroRNAs may be key to HIV's ability to hide, evade drugs, Jefferson scientists find
09-30-2007 · EurekAlert!
Tiny pieces of genetic material called microRNA could be key to HIV's ability to evade detection in the immune system. Researchers have shown that when an HIV-infected individual receives a powerful cocktail of antiviral agents called HAART, the virus uses miRNAs to help it hide and remain practically undetectable, temporarily shutting down its ability to replicate. Learning to manipulate miRNA's inhibitory effects might have implications for new strategies against the virus.
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- New research helps explain how tumors go undetected by the body
11-19-2007 · EurekAlert!
Scientists studying how immune cells are regulated in healthy individuals, have made a key discovery in understanding why tumors may go undetected by the immune system and remain untreated by the body's own natural defences. The findings, published online this week (November 19-23) by the Proceedings of the National Academy of Sciences, could lead to new treatments for tumors.
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- Poxvirus' ability to hide from the immune system may aid vaccine design
11-15-2007 · EurekAlert!
The cowpox virus, a much milder cousin of the deadly smallpox virus, can keep infected host cells from warning the immune system that they have been compromised, researchers at Washington University School of Medicine in St. Louis have found. The scientists also showed that more virulent poxviruses, such as the strains of monkeypox prevalent in Central Africa, likely have the same ability.
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- Scientists identify key to integrating transplanted nerve cells into injured tissue
04-26-2007 · EurekAlert!
Scientists at the Schepens Eye Research Institute, an affiliate of Harvard Medical School, have identified a key mechanism for successfully transplanting tissue into the adult central nervous system. The study found that a molecule known as MMP-2 (which is induced by stem cells) has the ability to break down barriers on the outer surface of a damaged retina and allow healthy donor cells to integrate and wire themselves into remaining recipient tissue.
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- Insights into cell movement likely to aid immune study, cancer research
01-07-2008 · EurekAlert!
Scientists at Washington University School of Medicine in St. Louis have used yeast cells to better understand a collection of proteins associated with the formation of actin networks, which are essential to cell movement. The cell's ability to move is important to a broad range of biomedical concerns, including understanding how immune system cells pursue disease-causing invaders and how metastasizing cancer cells migrate from a tumor.
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- A key antibody, IgG, links cells' capture and disposal of germs
11-13-2006 · EurekAlert!
Scientists have found a new task managed by the antibody that's the workhorse of the human immune system: Inside cells, Immunoglobulin G (IgG) helps bring together the phagosomes that corral invading pathogens and the potent lysosomes that eventually kill off the germs.
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- New simulator is next step on the road to developing quantum computers
11-26-2006 · EurekAlert!
Scientists have proven theoretically a novel way to build a simulator that can recreate the way atoms and particles behave in a quantum system, says research published today. The proposed simulator is unique because it could let researchers control how individual particles move and interact with each other. This ability to control individual parts of a quantum system is key to the development of powerful quantum computers in the future.
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- Natural immune-control system may aid treatment of autoimmune disease and tissue rejection
05-17-2007 · EurekAlert!
The immune system’s ability to police itself may offer a new method of arresting the cells responsible for autoimmune diseases such as multiple sclerosis and for the rejection of transplanted organs and tissues, report scientists at Dana-Farber Cancer Institute.
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- Promising treatment target found in Hodgkin lymphoma
07-30-2007 · EurekAlert!
Dana-Farber Cancer Institute scientists have identified a protein that prevents the body's immune system from recognizing and attacking Hodgkin lymphoma cells. Based on this finding, the researchers are now investigating targeted therapies to disable this molecular "bodyguard" and boost a patient's ability to fight the blood cancer.
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- Researchers uncover more about how poxviruses evade the immune system
01-31-2008 · EurekAlert!
Scientists at St. Louis University and the University of Alabama at Birmingham have uncovered important new information about a key protein that allows viruses such as smallpox to replicate and wreak havoc on the immune system.
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