Sentences with phrase «destroy cells infected»

killer T cells (CD8)- a group of T cells that is activated by helper T cells (CD4) and have the ability to destroy cells infected by foreign invaders (such as viruses).
They have evidence that some people may be able to resist infection because previous exposure to tiny amounts of virus has stimulated a strong response from killer T cells which can destroy cells infected with virus.

Not exact matches

In such patients, a phenomenon called «antibody - dependent enhancement» (ADE) takes place, during which antibodies that were generated during the first infection bind but do not destroy the slightly different newly infecting virus, but instead facilitate its infection of immune cells.
By studying infected cells grown in a laboratory, the team found that a large number of CMV's genes help it hide from the immune system by allowing it to destroy many of the proteins produced by the body during virus infection and preventing them from activating immune cells to destroy the virus.
CD4 T cells are also known as «helper» cells because they signal another type of T cell, the CD8, to destroy HIV - infected cells.
4) Activated killer T cell destroys HIV - infected helper T cell.
Researchers have used radioimmunotherapy (RIT) to destroy remaining human immunodeficiency virus (HIV)- infected cells in the blood samples of patients treated with antiretroviral therapy, offering the promise of a strategy for curing HIV infection.
Next, T cells — the immune system's foot soldiers — are harvested from the patient's blood and infected with the virus, which rewrites their genetic code to recognize and destroy cancer cells.
«They are paralyzed and don't have the fire - power to destroy cancer or virally - infected cells.
In principle this means that the killer T cells can now trace and destroy the HIV - infected CD4 cells.
Through gene therapy, researchers engineered blood - forming stem cells (hematopoietic stem / progenitor cells, or HSPCs) to carry chimeric antigen receptor (CAR) genes to make cells that can detect and destroy HIV - infected cells.
Moreover, the researchers have investigated if the total HIV reservoir in the body is lowered when the killer T - cells are now able to trace and destroy the HIV - infected CD4 cells.
An international team of scientists, led by Monash Biomedicine Discovery Institute researcher Dr Di Yu, and Dr Axel Kallies from the Walter and Eliza Hall Institute, have discovered that killer T cells, a specialised type of white blood cells, can find these «hidden» infected cells in tissue and destroy them.
With a better «nose» for these chemicals, the altered T cells make a beeline for the outer layer of the skin, where they began destroying defective and infected cells, the team reports in the February issue of Nature Immunology.
The puzzle, however, has been the failure of the immune system to recognise the alien PfEMP1 protein and destroy the infected cells.
If this were disabled, then the parasite would produce just one PfEMP1 protein, allowing the immune system to swing into action and destroy infected cells.
«We don't know for certain if the damage is irreversible, but I expect so, because the cells that hold the internal structure in place have been infected and destroyed,» said Diamond, who is also a professor of pathology and immunology, and of molecular microbiology.
Until this week, the WHO recommended that HIV treatment should begin when each millilitre of an infected person's blood contains fewer than 350 CD4 cells, the white blood cells targeted and destroyed by HIV.
Currently, the WHO recommends that HIV treatment should not begin for most infected people until each cubic millimetre of their blood contains fewer than 350 CD4 cells, the white blood cells targeted and destroyed by HIV.
HIV infects so - called helper T cells, which regulate the immune response, and slowly destroys them.
Johannes Scheid, a student in Nussenzweig's lab, isolated it several years ago from an HIV - infected patient whose immune system had an exceptional ability to neutralize HIV in the blood by preventing the virus from infecting and destroying a specific type of immune cells, called CD4 cells, in patients.
Another interesting finding was the impact of the antibody on CD4 + T cells, helper cells that promote the development of killer T cells called CD8 +, which target and destroy virus - infected liver cells.
There are immune cells called T - cells, for instance, that travel around the body seeking and destroying abnormal - looking cells that may be infected or turning cancerous.
«Since MCR works by targeting specific DNA sequences, in cases where diseased cells have altered DNA as in HIV - infected individuals or some types of cancer, MCR - based methods should be able to distinguish diseased from healthy cells and then be used to selectively either destroy or modify the diseased cells
The findings, published May 18 in the scientific journal PLOS ONE, point to development of a promising HIV treatment that could destroy the HIV DNA harbored in HIV - infected cells.
CTLs can destroy cancer cells and cells infected with viruses, fungi, or certain bacteria.
Next step developing an endonuclase based anti HIV therapy that can destroy retro viral DNA in infected host cells.
An international research collaborative has determined that a promising anti-malarial compound tricks the immune system to rapidly destroy red blood cells infected with the malaria parasite... Read more
In these experiments, the virus managed to infect and destroy only a small proportion of tumor cells directly, the researchers found, but within five days of the initial infection, the rest of the tumor began to be killed by a powerful immune reaction.
This type of «killer» T cell responds to previously encountered cell - surface molecules — including the fragments of SIV proteins encoded by the genes in the CMV / SIV vaccine — and destroys SIV - infected cells.
This is associated with a relative reduction in cytotoxic T - cell activity and a reduced capacity to destroy infected host cells and clear the virus from infected lung tissue.
Microglia assess the situation and then decide whether to leave the infected cells alone or destroy them.
Researchers have happened upon a previously unknown protein shown to ramp up the presence of all - important cytotoxic T cells, which destroy virus - infected and cancerous cells.
Strong evidence however shows that this doesn't mean that cells are actually «destroyed» or «lost», but instead they are moved to other parts of the body such as the lungs which have more of a chance of becoming infected.
Killer T cells are responsible for hunting down and destroying our body's own cells that are cancerous or infected with bacteria or viruses.
Probiotics boost the cells in your Immune System (again, 70 % of which is in your gut) that seek out and destroy infecting organisms... including many of these chronic diseases.
According to the Federation of American Societies for Experimental Biology, hyperthermia, or the exposure of the body to high temperatures, gives these cells the ability to destroy virus - infected cells and tumor cells.
It infects the red blood cells in cats and stimulates the cat's own immune system to destroy those red blood cells.
The primary result of a Babesia infection is anemia as the immune system destroys infected red blood cells, but Babesia can have other effects throughout the body as well.
The virus infects the stomach and small intestine, where it destroys cells, impairs nutrient absorption, and interferes with the gut / blood barrier.
It attacks white blood cells in the body and literally destroys the lining of the GI tract, allowing bacteria to infect the bloodstream (a serious condition called septicemia).
FIV infects and destroys lymphocytes, which are important white blood cells that help your cat fight infection.
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