These are present in the nerves and in some immune cells in the lungs.
Immune cells called macrophages, trying to clear the mess, eventually choke and die, worsening the situation.
The protein is a growth factor that leads to the production of certain immune cells, called B-cells.
Srivastava discovered that three, possibly four, types of HSP go further, prompting immune cells to attack cancerous cells.
Nor is it clear how the transplanted immune cells stop the existing ones from attacking the new organ.
The workhorse liver cells, called hepatocytes, sit next to cells that store fat, immune cells and endothelial cells.
But it also spurred the body to send out T cells, predatory immune cells that hunt down infection.
It acts like a homing beacon for the disease-fighting immune cells that are stirred up by the vaccine.
Merck's adenovirus and Aventis' canarypox seem to infect different kinds of immune cells.
Some evidence has shown that certain immune cells are actually hijacked by cancer cells to become their partners in crime.
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In theory, the medicines could affect the immune system, because a receptor on immune cells is very similar to DPP-4.
The immune cells, called macrophages, act as little garbage-disposal cells, gobbling up the cholesterol in an attempt to remove it.
With nearly all others, however, the cancer cells fight back successfully and even co-opt immune cells to aid their growth.
Little spikes on the insides of vessels snare immune cells that float by and bring them into the artery wall.
Therapeutic cancer vaccines, which train immune cells to attack cancer cells, are one of the most enticing areas of drug development.
They showed infections by respiratory syncytial virus (RSV) stripped immune cells of their ability to calm down inflammation in the lung's airways.
The team suggest that specialised immune cells present in the skin called Langerhans may direct the body to respond positively to the vaccine.
She then saw a TV report about researchers in Liverpool looking at the role of immune cells called NK cells in recurrent miscarriage.
It is a molecule normally found in the walls of blood vessels that attracts clotting and immune cells in other words, it causes inflammation.
Tests on mice and humans, published in the journal Cell Metabolism, showed that immune cells became destructive when they were clogged with fats.
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Provenge, a treatment that trains immune cells to attack a cancer, would be revolutionary even if there were nothing to it but cool science.
In addition, other types of cancer can interfere with the activation of "killer T cells" - immune cells which arrive to destroy tumour cells.
Mice given the modified cells produced more than six times the number of "killer T" cells, which are immune cells produced to neutralise a target.
One approach could be to develop drugs that can bind tightly to the receptors on immune cells and induce the production of the anti-inflammatory IL-10.
Immune cells in the lymph nodes neutralize and degrade this debris.
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In MS patients, the dose eliminates the immune cells entirely, forcing a new immune system to be built from scratch which should not attack the nerves.
Anadys Pharmaceuticals is in early-stage human tests with drugs that stimulate the so-called TLR-7 receptor on immune cells to produce interferon just where it is needed.
This is because for infection to occur, the virus must invade immune cells and incorporate itself into the DNA, where it can remain dormant for decades.
This means that the immune cells from, let's say, humans are unable to recognise a virus that has been infecting birds - they offer no protection.
But not all of the immune cells are fooled by the new disguise and they offer at least some protection, which limits the severity of the infection.
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