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Which cells alert the body that a virus has entered the bloodstream?
Wiki User
∙ 9y ago
The body has two immune response processes to combat viruses.
The first is called Innate Immunity and works within a few hours of an infection. With this reaction, inflammation occurs which is triggered by Toll-like receptors (TLR). These TLRs are pattern recognition receptors. They activate the Interferon (IFN) regulatory pathway, and in turn, the infected cell secretes IFN-beta. IFN-beta warns neighboring cells of the infection, and triggers the PAX/STAT pathway which leads to the production of antiviral agents and chemokines to increase the flow of macrophages and Natural Killer (NK) cells to the site of the infection.
After a few days, the second immune response, adaptive immunity kicks in. Here dendritic cells (antigen-presenting cells) are infected and carry the virus to the lymph organs. In the lymph organs the virus triggers the proliferation of B and T cells (lymphocytes that are each specific for a particular antigen) which produce antibodies to combat the infection.
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoT-Cells alert the body that a virus has entered the bloodstream.
Wiki User
∙ 9y agoT Helper cells signal the body that a virus is in the bloodstream. The cells quickly divide and secrete cytokines to activate the immune response.
Wiki User
∙ 11y agot-cells
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∙ 6y agonerve cells
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What virus attacks the cells in the immune system that produce antibodies?
The HIV virus kills the helper T-cells which are part of your immune system.
The virus that causes chicken pox contains DNA. It reproduces inside the cells of living organisms. The virus is not made of cells and does not eat or breathe. Why isn’t the virus considered to be a living thing?
it is not made of cells (A+)
What is a Interferons?
Interferon is a fluid protein found in everyone's bloodstream. It is made by the body to protect body cells from being invaded by viruses. Interferon is also used as an injection into a person that is deathly sick from a virus attack of some kind.
What is viral specificity?
Viruses are highly specific and can only attack particular cells of a particular organism. Ex. Polio virus attacks nerve cells Mumps virus attacks salivary glands Hepatitis virus attacks liver cells
What are the cells called that police the body in blood and lymph to kill cancer cells and virus infected body cells?
White blood cells that directly destroy virus-infected and cancerous cells are called?
What alert the body a virus has entered the bloodstream?
nerve cells
Once a virus has entered a living cell what does it force the cell to do?
It turns the cells that infects into factories that produce more of the same virus.
What alert the body that a virus has enter a blood stream?
There are certain cells in the blood whose surfaces have holes all over that exactly fit every kind of bacteria and virus that you are immune to. The germs fall into those holes, are captured, and cannot cause infection. Now, along comes a bunch of a certain virus that you are not immune to - they do not fit any holes in those certain cells. The certain cells try to grab the new viruses, but can't, so they release a tiny bit of chemical that travels in the bloodstream to the brain, causing the brain to release a tiny bit of chemical into the bloodstream that starts up the disease-fighting mechanisms of your body.
How do killer cells work?
Killer t cells are activated by helper t cells. The Helper t cells are alerted by the macrophage that has engulfed the virus. It grows antigens to alert the helper t cells. The killer t cells are like white blood cells, there purpose is to fight pathogens.
Can a virus have cells?
No, a virus cannot have cells.
Where are virus cells located?
The cells in your body are found absolutely everywhere. Skin cells form your skin, nerve cells form your brain and nervous system and muscle cells form your muscles. Almost everything in your body is made of cells.
How does HIV affect white blood cells?
First of all, the virus enters the bloodstream, the body attacks it with white blood cells or T cells. The body produces more cells and very soon, outnumber the virus and go in for the kill. Suddenly, the virus fights back and shows that he is no one to mess with. After he destroys the defenses and goes further into the body. After the defenses are out, even simple diseases can pass through such as the common cold. You can even die from these simple diseases. All of these are the causes of HIV attacking your white blood cells.
Is a virus made up of a cell or cells?
A virus is not made from cells.
WHAT IS THE RED ALERT VIRUS EMAIL?
The answer is internet security company
AIDS is caused by what a virus that infects what?
AIDS is caused by a virus called HIV. HIV enters the bloodstream and directly attacks certain cells that are designed to protect us from infection. The cells involved are called CD4+ or T-helper cells. These cells play a major role in preventing germs from hurting us. When these cells die or are killed off, our bodies lose the ability to fight infections. This is ultimately what causes people to get sick and even die.
Is there a cure for HIV when its in the bloodstream?
There is no cure for HIV at the moment, but there is a daily medication that stops it multiplying. You can have small traces of the virus in your bloodstream without any problem. It's only if the virus is allowed to multiply in your blood that it can cause problems.
What is the first event that occurred when a virus infects the host cell?
The virus attaches to the host cells membrane.
