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Doctor insights on: Antibody

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Antibody (Overview)

An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune system can eliminate it.


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What are antibodies?

What are antibodies?

Immune proteins: Antibodies are complex proteins made by the immune system to act against bacteria, viruses, or other infections. They also are active in signaling between different types of cells and in the activity of cells of the immune system. ...Read more

Antibody (Overview)

An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune system can eliminate it.


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What is pra antibody?

What is pra antibody?

Panel Reactive antib: Pra (panel reactive antibodies) or anti hla antibodies, is used in transplantation surgery, is how the body is going to react to transplantation. Hla testing or human leukocyte antibody cross matching is essential in organ transplantation like kidney. ...Read more

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What is the NS1 antibody?

What is the NS1 antibody?

Not sure,: There could be multiple answers to this (it seems like NS1 could be a common abbreviation). I do know that a structural protein associated with viruses (that cause diseases such as Dengue fever and Yellow fever) is used for diagnosis. Ie, if you have antibody to this NS1 protein, then you have been exposed to that pathogen ...Read more

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U1rnp antibody what does it do?

U1rnp antibody what does it do?

Used for diagnosis: Of mixed connective tissue disease (generally scleroderma with lupus overlap and muscle inflammation) for which it is fairly specific (accurate). The action of the antibody is not well characterized and probably less important than its use for diagnostic purpose (we know it binds to a protein for RNA building). In patients with anti-centromere Ab+ scleroderma, it portends kidney complications. ...Read more

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How fast can you create antibodies?

How fast can you create antibodies?

5 to 7 days: The ability to detect the antibodies affects this answer. The early antibodies are those of the IgM class but there are 5 all together. The antibodies can be formed fast but until a certain level occurs they can not be detected. 5 to 7 days for the early IgM antibodies and longer for igg more permanent antibodies. ...Read more

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Can bad antibodies go away for good?

Can bad antibodies go away for good?

Unfortunately, No: It is not clear what you mean by bad antibodies. Autoantibodies are generally bad and unfortunately usually do not disappear. ...Read more

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What does increse in antibodies mean?

A warrior increase: Think of an antibody as a soldier to help you beat the enemy (infection) if you have increasing antibodies you have more warriors.
The problem here is if the warriors decide to fight against your own body rather than infection. You then have an auto-immune disease like rheumatoid arthritis. ...Read more

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What is some type of antibody positive?

Exposure: A positive antibody response indicates prior exposure to that agent. Some antibodies means nothing more than just that. Others may provide defense or cause diseases. ...Read more

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What are antibodies and how do they help?

What are antibodies and how do they help?

Bind to site(s).: Antibodies (abs) are molecules made to bind to sites on infected cells, bacteria, viral particles, etc. To help the immune system fight disease. For example, monoclonal antibodies bind to the same epitope/site, while polyclonal abs bind to many sites. These can be used in treating cancer and hdnb, autoimmune diseases, like rheumatoid arthritis, and in diagnostic tests, like western blot. ...Read more

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Where are antibodies produced in the body?

From immune B cells: Antibodies, also called immunoglobulins or gamma-globulins, are made in a type of white blood cell called B-cells. They are in the blood stream, lymph nodes and in the bone marrow. We have 5 different types of antibodies: IgM (first responder), IgG (good long term immunity), IgA (in the mucous lining-tears, saliva, respiratory tract and intestinal tract), IgE (allergic antibody) and IgD (unknown) ...Read more

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What could cause a low number of antibodies?

Meds or diseases: There are many reasons. Immune suppressant medications (e.g. steroids, azathioprine, mycophenolate), chemotherapy, certain seizure meds can all cause low antibody levels. Also, immune deficiencies like CVID lead to low levels. Certain infections like HIV can cause it, too. Excessive loss of protein from chronic diarrhea can cause it. Talk with an immunologist if you have more questions. ...Read more

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Antibody levels high. What is this a sign of?

Antibody levels high. What is this a sign of?

Which antibody?: We all have antibodies to a number of antigens. Antibodies to self antigens may be associated with disease. Do you have more information about the type of antibody that is of concern to you. ...Read more

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I'm curious of where crucell antibodies come from?

Antibodies to what?: Antibodies are made by lymphocyte/plasma cells. These may be of animal origin which ranges from mice, rabbits, goat, sheet, cows, horses etc. Some antibodies are of human origin. ...Read more

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What do I need to know about anti kells antibodies?

Antibody to red cell: Antigen. Kell is one of the antigens on red cells. People who do not have the antigen, may make antibodies to this antigen. If a person has anti-kell antibody, s/he should not get a blood transfusion with red cells that have kell antigen. ...Read more

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What is the definition or description of: antibody?

A protective protien: An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune system can eliminate it. ...Read more

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My ccp antibodies result is 23, what does that mean?

See below: The report should have a reference range, which varies with different methods. All lab results need to be interpreted in the clinical context and the doctor who ordered the test is usually in the best position to do that. See this site for info.
http://www.rheumatology.org/publications/hotline/1003anticcp.asp. ...Read more

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Can you tell me how are antibodies in your body made?

Can you tell me how are antibodies in your body made?

Like other proteins: In the golgi and endoplasmic reticulum of plasma cells when required in bulk. Their sequences are determined during the randomization before birth. ...Read more

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What does it mean when our body has natural antibody?

What does it mean when our body has natural antibody?

Exposure: Basically, this your body's memory protein and tells us that, at some point, you've been exposed to the agent (e.g. Virus, substance, etc...). You should check with your doctor/lab about the significance of specific values. ...Read more

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What does it mean to be antibody ahcv reactive by eciq?

Unclear question: If you mean antibody to hepatitis C virus detected by ECiQ analyzer, then if the antibody is present, it warrants further testing to look for Hep C nucleic acid to determine if you have active infection of a previous infection that is no longer active. About 80% of the people infected with Hep C develop chronic infection. ...Read more

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What is the function of antibodies in regard to immunity?

What is the function of antibodies in regard to immunity?

One facet: Immune system has two main categories, Innate and acquired or adaptive. Cell mediated immunity and antibodies are acquired. Antibodies can kill bacteria, inactivate viruses, expel worms, neutralize toxins, cause allergies and some other undesired effects. ...Read more

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What can cause someone to have a low number of antibodies?

A number of things,: Most common would be losing protein from the blood and the antibody level would correlate with low serum albumin levels (intestinal or kidney disease). Severe malnutrition is another possibility. Medication side effect is another (eg prolonged prednisone treatment). Finally, primary immune deficiency with poor B-cell function is possible and would correlate with history of infection ...Read more

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Should I be concerned with a positive VGKC antibody test?

Should I be concerned with a positive VGKC antibody test?

Issac Syndrome&: VGKC Antibodies cause hyperexcitability of the peripheral nerves and Central Nervous System.Peripheral Nerve Excitability is the chief manifestation of Issac Syndrome ans Cramp Fasciculation Syndrome.
Consult a Neurologist if not done already ...Read more

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Need expert help here. What are the antibodies that causes hdn?

ABO: If by hdn you mean hemolytic disease of the newborn, ABO incompatibility between mother and baby, and ABO antibodies are the commonest cause. Antibodies to rh blood group types can also cause hdn, and uncommonly antibodies to other blood groups are involved. See this site for more info.
http://www.ncbi.nlm.nih.gov/books/nbk2266/. ...Read more

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What happens when a child develops antibodies to a certain food?

What happens when a child develops antibodies to a certain food?

Allergies: When a child develops antibodies to food, they can have an allergic reaction to that food. The reaction is most commonly a rash, but could be more serious and involve trouble breathing, stomach pain, or other concerning symptoms. ...Read more

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What is the average level of antibodies in a non-sick individual?

Depends on the : Type of antibody. A person has antiboides to thousands of antigens. If what you mean is immunoglobulin levels, these also vary by age and gender. The following site provides general information about immunoiglobulin levels for the three major types.
http://www.webmd.com/a-to-z-guides/immunoglobulins. ...Read more

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Can you tell me what does it mean if you're some type of antibody positive?

Antibodies: An antibody is made by your immune system in response to an antigen. It means you have been exposed to something and your immune system did its job of making antibodies so that it could fight off the antigen — now and in the future. It could also be from an immunization.

Sometimes you can make antibodies against your own tissue, and that is a problem referred to as an auto-immune problem. ...Read more

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What are the rare cases for someone who doesn't develop antibodies until 6 months?

What are the rare cases for someone who doesn't develop antibodies until 6 months?

Depends: What kind of antibodies are you talking about? There is a condition of immune deficiency disease and the baby at six months may be able to diagnose a problem because of certain signs during his/her examination. I think it best to talk to the baby's physician at the next visit to rest your mind. ...Read more

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What quantity of antibodies can your body have since they don't die for a long time?

Turn over rate: Antibodies do die out in 3-4 weeks. Body keeps making new ones. The normal level of all the antibodies is about 1.0gm/dl. ...Read more

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