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Doctor insights on: Antigen Marker

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What are antigens?

What are antigens?

Antigens are...: An antigen is any substance that causes your immune system to produce antibodies against it. It may be a foreign substance from the environment such as bacteria, viruses, pollen or chemicals. An antigen may also be formed within the body, as with bacterial toxins. ...Read more

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Antigen (Definition)

Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this and allergic response is the basis for immunological protection for ...Read more


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What is the definition or description of: antigen?

What is the definition or description of: antigen?

Immunoloigic chemica: Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this and allergic response is the basis for immunological protection for defense against invading organisms. ...Read more

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Which cells are required to process antigens from foreign materials?

Which cells are required to process antigens from foreign materials?

Dendritic macrophage: There are reliable textbooks and websites where you can read about these fascinating players in the wonderful and still-puzzling immune system. ...Read more

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Are antigens and t-cells related?

Yes and no: T cells are a particular type of cell of the specific immune system. T cells can be activated by specific antigens through their t cell receptors. An antigen is a particle with that is recognized by the immune system (b cells, antibodies, t cells, etc.). ...Read more

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What are some HIV antigens?

Viral load?: A high level of viral antigen in the blood? There's good correlation between viral load ; progression of HIV to aids. A viral load (number of viral particles per ml of blood) 30, 000 copies means that the disease will progress rapidly. By treating with haart ; suppressing to undetectable virus we halt ds progrn. ...Read more

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Is pencillin a hapten instead of a antigen?

Is pencillin a hapten instead of a antigen?

Read: Penicillin is a chemical compound which has areas on its molecule which are haptenic. The drug itself is considered an antigen. Altering the molecule to create derivatives seldom alters the haptenic component. ...Read more

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What is meant by the australian antigen is positive?

HBsAg: It's an old term for the hepatitis b surface antigen. Having a positive hbsag means that you have hepatitis b: either acute or chronic. ...Read more

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What makes food particles antigens in the human body?

Food antigens: Antigens are substances, typically proteins, that are recognized by the immune system as foreign to the body. Typically, protective antibodies (igg, IgM or iga) are made to foreign proteins however, some times allergic antibodies (ige) are created. Not all persons have the genetic predisposition to make ige but about 1/3rd of the population is prone to this problem. ...Read more

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What's the difference between a superantigen and an antigen?

Super vs mere mortal: A superantigen does not require processing by a middle-man to induce an immune response. Staph enterotoxin is just one of the examples. The regular antigen requires processing and presentation to the lymphocyte in order to induce the immune response. This is just a simple answer to a complex question. ...Read more

Marker (Definition)

A "marker" is a protein or enzyme that can represent a disease process. Some markers are specific for a particular disease, while ...Read more