Dictionary » I » Immunogen



noun, plural: immunogens

Any substance that stimulates an immune response, such as production of specific antibody or cellular immunity.


An immunogen is a kind of antigen that elicits an immune response. Unlike other types of antigens (such as hapten and tolerogen), immunogen can by itself stimulate an immune response and then serve as the target of such response.

Word origin: From immuno-, immune + -gen, from Gk -genés, born, produced.

Related forms: immunogenic (adjective).

Synonym: antigen.

Compare: tolerogen.
See also: immune response.

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I have got some BIG issues! forgive the long post

... tightly linked and highly homologous genes occupying the short arm of the chromosome 1. RhD carries the D antigen as the most potent blood group immunogen, but it is absent from a relatively large segment of the population (i.e. Rh-negative phenotype), mainly as the result of RHD gene deletion. ...

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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: 1948

antibody staining

... in vivo, and i found a new subcellular location for a protein with one antibody (which has been use in many publication). Pre-incubation with the immunogen peptide (blocking peptide) result in the loss of the signal. Overexpression of this protein in cells can be also seen. But using an other ...

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by gael
Tue Nov 03, 2009 10:33 am
Forum: Cell Biology
Topic: antibody staining
Replies: 2
Views: 1944

B and T Cells

... to "specific immune response" which could be humoral or cell-mediated immunities. If this is so, the more proper term is "immunogen" rather then "antigen". This because antigen can be self or nonself, which sel-antigen won't generate immune response but immuno-tolerance. ...

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by Dr.Stein
Fri Oct 13, 2006 3:21 am
Forum: Human Biology
Topic: B and T Cells
Replies: 7
Views: 5523


... C3 (e.g. DAKO A 0062). In Western blotting after SDS-PAGE, HYB 005-01 reacts with C3 in reduced as well as non-reduced forms. The HYB 005-01-02 immunogen is C3 found in human plasma cells.

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by showmeproof
Sun Jul 09, 2006 3:28 am
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6266036

"Twenty questions"-biology game

Is it an immunogen? Is it a fungus? Am I ever going to figure this out in a million years? (Sorry for my pessimism, but I really don't know much about immunology.) #6 question Answer: Yes. No. Depends. Comment: The "yes" ...

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by Dr.Stein
Sat Feb 25, 2006 5:01 am
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 771
Views: 376525
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