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Receptors complement 3d

receptors, complement 3d

molecular sites on or in b-lymphocytes, follicular dendritic cells, lymphoid cells, and epithelial cells that recognise and combine with complement 3d. Human cr2 serves as a receptor for both c3dg and the gp350/220 glycoprotein of herpes virus 4, human, and binds the monoclonal antibody okb7, which blocks binding of both ligands to the receptor.


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Immune System

... - both of these from NK or cytotoxic T-cells - that cause apoptosis. - Complement directly leads to the destruction of cells by causing a membrane ... Antibodies can be used for tagging, but more often they just bind receptors so they're useless or cause agglutination of invading particles ...

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by Babybel56
Tue May 10, 2011 7:05 pm
 
Forum: Human Biology
Topic: Immune System
Replies: 4
Views: 5723

Immune System

... does the dirty work, natural killer cells? where? phagoctyes? Do the complement and antibodies just kind mark the antigen for destruction? What ... the antigen? wouldnt it be enough for the MHC to recognise the receptors of the T cells (TCR) ? Sorry lots of questions, maybe someone can ...

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by snezka18
Mon May 09, 2011 10:15 pm
 
Forum: Human Biology
Topic: Immune System
Replies: 4
Views: 5723

gene redundancy?

... often the truth. For example, in Arabidospsis there are three cytokinin receptors and when you make single knock-outs, you do not see much difference from WT, as the other two receptors are still enough and complementary, but when you double knock-outs, the plants are much smaller and ...

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by JackBean
Wed Apr 06, 2011 5:18 am
 
Forum: Genetics
Topic: gene redundancy?
Replies: 3
Views: 2643

Re: Cytokine - Receptor concepts

... different types of inmunoglobulins, for example: IgM ( wich acts in the complement activation), IgG and it subclasses ( acts in Fc receptor-dependent ... on the cell surface the affinity of the cytokine will be increase. Receptors has remarkable characteristics and are partly because of deficiency ...

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by marla
Tue Jun 01, 2010 9:08 pm
 
Forum: Cell Biology
Topic: Cytokine - Receptor concepts
Replies: 7
Views: 14488

Re: how does innate immunity link to b-cell and t-cell responses

... mechanisms (Phagocytosis, fever, inflammation, natural killer cells, complement proteins) 2. Adaptive (specific) Defence mechanisms also known ... Immunity (B-cells make antibodies. These antibodes are made to have receptors that recognise specific antigens on the pathogen and lead to it's ...

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by favorina
Fri Jan 30, 2009 6:55 pm
 
Forum: Cell Biology
Topic: how does innate immunity link to b-cell and t-cell responses
Replies: 1
Views: 4584
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