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Macrophage-1 antigen

Macrophage-1 antigen

An adhesion-promoting leukocyte surface membrane heterodimer. The alpha subunit consists of the CD11b antigen and the beta subunit of the cd18 antigen (antigens, cd18). The antigen, which is an integrin, functions both as a receptor for complement 3 and in cell-cell and cell-substrate adhesive interactions.


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... 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 and thus aren’t able to alert the immune cell to ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 3
Views: 18484

Does Langerhan cell in epidermis change to macrophage?

Langerhans cells are antigen presenting cells and macrophages are phagocytes. They both act in the immune responds. Macrophages are found in the tissue where monocytes(lymphocytes) in the blood, slips it way through into the tissue ...

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by AUY11345303
Tue Dec 20, 2011 3:58 pm
Forum: Human Biology
Topic: Does Langerhan cell in epidermis change to macrophage?
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More general biology questions..

... lungs have surfactants, which as opsonins (substances that targets an antigen for an immune response) - is this true? 12. Are macrophages and phagocytes nautral killer cells? Wikipedia says that "NK cells are activated ...

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by freedompeace
Fri Apr 15, 2011 12:30 pm
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Topic: More general biology questions..
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Re: white blood cell

... particularly in immune system and body clearance. Some cells do eat antigens (e.g. neutrophil and macrophage), some other cells secrete enzyme(s) or other protein substance(s) to kill pathogens ...

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by DoctorStein
Fri May 30, 2008 10:13 am
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Topic: white blood cell
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... an antibody or serological response, and a cellular response. Different antigens can ellicit one or the other or even both types of response depending ... (though, too much of this can damage the glomeruli); or that attract macrophages by way of the Fc ends and Fc-receptors on the macrophage, which ...

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by blcr11
Mon Jun 11, 2007 4:51 pm
Forum: Cell Biology
Topic: Antibodies
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