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Viral antigen

viral antigen

Those antigens specified by the viral genome (often coat proteins) that can be detected by a specific immunological response. Often of diagnostic importance.


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Bio Research Paper Writing

... and I are writing a research paper on the topic of "how do chronic viral infections contribute to immune senescence and how do they affect aging ... One factor is the loss of the CD28 marker; when CD28 isn’t expressed, antigen-presenting cells like macrophages no longer recognise the T cell ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
 
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 1
Views: 8084

How does negative selection in the thymus get around viral a

Precursor T-cells undergo positive and negative selection in the thymus. Negative selection eliminates T-cells that bind strongly to self antigens (e.g. produced by the AIRE gene). However, how is it ensured that only SELF antigens are tested for during negative selection? Perhaps some virus ...

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by micro999
Mon Jun 27, 2011 8:06 pm
 
Forum: Human Biology
Topic: How does negative selection in the thymus get around viral a
Replies: 3
Views: 5487

Killer Cells vs. Cytotoxic Cells

... the CD4+ helper T cells. Both of these cell types have to be presented antigens by antigen-presenting cells (APCs) in order to function. For CD4+ ... it kills this cells - hence the 'killer cell' name (this is to prevent viral infection or cancer from spreading). The "killing" happens ...

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by biohazard
Mon May 02, 2011 8:23 am
 
Forum: Cell Biology
Topic: Killer Cells vs. Cytotoxic Cells
Replies: 9
Views: 26080

Immunology

... all nucleated cells express MHC class I proteins, which present antigen fragments from the cytoplasm that are recognized by cytotoxic CD8+ ... death pathway. This is an important way e.g. when battling against many viral infections (where the pathogen prevails & reproduces intracellularly), ...

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by biohazard
Wed Nov 21, 2007 6:25 pm
 
Forum: Human Biology
Topic: Immunology
Replies: 2
Views: 1239

The Fiber Disease

... protein pVIII, which overlap one another to form a tube encasing the viral DNA. We have shown that filamentous phage can serve as a scaffold, able to form on its surface an indefinite number of potential antigen-binding sites by displaying random peptides fused to major coat protein ...

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by London
Mon Dec 11, 2006 8:19 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5000311
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