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T helper cell


noun, plural: T helper cells

A form of T lymphocyte that acts in conjunction with B lymphocytes to permit antibody formation.


This type of T lymphocyte releases lymphokines upon stimulation of specific antigens to promote the activation of B lymphocytes as well as killer T lymphocytes.



See also: T lymphocyte

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targeting the Aids virus

hello.Aids is actually a disease that attacks and destroy t-helper cells so i dont think you could use a programmed bacteria to attack aids.Aids actually develops ...

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by gauthum
Wed Dec 05, 2012 4:09 pm
Forum: General Discussion
Topic: targeting the Aids virus
Replies: 3
Views: 3143

HIR immune response

For the 1st infection, can B-cells be stimulated by pathogen and turn to plasma cells directly? Or it have to be stimulated by the T-helper cells? If pathogen can stimulate B-cell directly, what is the process? thanks~

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by shirleyisgood
Sat Mar 31, 2012 7:56 am
Forum: Human Biology
Topic: HIR immune response
Replies: 0
Views: 1293

Re: Difference between T-Cell and Phagocyte?

... questions. I have some further questions if you don't mind: 1. Does B cell process the endocyted molecules in similar way as phagocytes do, so ... 5. (unrelated to the above) I was given the impression that a T helper cell gets activated when its receptors recognize antigens presented ...

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by aptitude
Sun Sep 11, 2011 7:27 am
Forum: Physiology
Topic: Difference between T-Cell and Phagocyte?
Replies: 10
Views: 55990

Immunology: Th1/Th2 vs cellular/humoral responses

... they produce and they do not exclusively help just one certain cell type. Th1 cells produce cytokines (such as IFN-g) that generally promote ... division is simplified since many more cytokines are produced by both helper T cell subsets, and there is overlap in cytokine production and function ...

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by biohazard
Thu Sep 08, 2011 10:00 am
Forum: Cell Biology
Topic: Immunology: Th1/Th2 vs cellular/humoral responses
Replies: 10
Views: 51097

What is antigens stimulate?

Briefly, B-cells have B-cell receptors on their surface that are essentially membrane-bound antibodies. ... reality the whole process is very compelx requiring the antigen-specific activation of helper T-cells and a cytokine environment that promotes B-cell activation and antibody production. ...

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by biohazard
Thu Jun 09, 2011 12:48 pm
Forum: Cell Biology
Topic: What is antigens stimulate?
Replies: 1
Views: 3539
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