Dictionary » I » Immunoglobulin

Immunoglobulin

Definition

noun, plural: immunoglobulins

(1) Any of several classes of structurally related proteins in the blood serum, produced by plasma cells as an immune response against foreign agents (antigens).

(2) The fraction of the blood serum containing antibodies.


Supplement

In placental mammals, there are about five classes of immunoglobulins based on structure and biological activity: IgA, IgD, IgE, IgG, IgM.


Word origin: immuno- (relating to immune) + globulin.

Abbreviation: Ig

Synonym: antibody

Related terms:


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Re: immunoglobulins

... and plasma cells and found in the serum and in other body fluids and tissues, including the urine, spinal fluid, lymph nodes, and spleen. Each immunoglobulin molecule consists of four polypeptide chains: two heavy chains (H chains) and two light chains (L chains). There are five antigenically ...

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by RZachary1
Wed Jan 14, 2015 5:49 am
 
Forum: Cell Biology
Topic: immunoglobulins
Replies: 2
Views: 2185

I have got some BIG issues! forgive the long post

... with a molecular weight of approximately 29000. They consits of two domains (1 and 1) forming the peptide- binding region (PBR) and two other immunoglobulin like domains (2 and 2) forming the membrane proximal region. The class II proteins appear to form (super) dimers at the cell surface. ...

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by saddy51
Sun Jan 04, 2015 10:39 am
 
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
Replies: 1
Views: 1779

immunoglobulins

on what basis are heavy chain of immunoglobulin classified?

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by jannat
Mon Oct 27, 2014 3:39 pm
 
Forum: Cell Biology
Topic: immunoglobulins
Replies: 2
Views: 2185

Ig and Ab

is there any difference between immunoglobulin and an antibody? are the two exactly same?

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by jannat
Mon Oct 27, 2014 3:37 pm
 
Forum: Cell Biology
Topic: Ig and Ab
Replies: 3
Views: 905

What is gluten?

... HLA molecules and initiate an autoimmune-like response that is the source of the celiac disease. In others, gluten may act as an allergen, causing immunoglobulin E production by B cells that binds to the surface of mast cells and is cross-linked by subsequent exposure to gluten, leading to allergic ...

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by biohazard
Tue Oct 09, 2012 7:42 am
 
Forum: Human Biology
Topic: What is gluten?
Replies: 2
Views: 2583
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