Is the plasma membrane what acts as an antigen in cell membrane?

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zarahh09
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Is the plasma membrane what acts as an antigen in cell membrane?
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JA03
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(Original post by zarahh09)
Is the plasma membrane what acts as an antigen in cell membrane?
The plasma membrane HAS antigens so the body's immune system recognises the cell and doesn't attack it.
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zarahh09
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(Original post by JA03)
The plasma membrane HAS antigens so the body's immune system recognises the cell and doesn't attack it.
so it is an antigen?
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Jpw1097
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(Original post by zarahh09)
so it is an antigen?
An antigen is something (often a protein, glycoprotein or carbohydrate) that is capable of generating an antibody response. The plasma membrane in and of itself does not generate an immune response, however, it contains proteins, glycoproteins, etc. which stimulate an immune response.
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zarahh09
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(Original post by Jpw1097)
An antigen is something (often a protein, glycoprotein or carbohydrate) that is capable of generating an antibody response. The plasma membrane in and of itself does not generate an immune response, however, it contains proteins, glycoproteins, etc. which stimulate an immune response.
ooh. I been writing about the wrong thing all this times
So what actaully acts as an antigen in cell membrane then?
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Jpw1097
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(Original post by zarahh09)
ooh. I been writing about the wrong thing all this times
So what actaully acts as an antigen in cell membrane then?
As I said, it’s usually proteins, glycoproteins and sugars attached to the plasma membrane. If you think about it, this makes sense. The plasma membrane is just a phospholipid bilayer, it wouldn’t make sense to mount an immune response against this phospholipid bilayer as cells are made up of this, and the immune system would attack all of your cells.
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