Do Macrophages Have Both MHC I and MHC II Molecules on Their Surface?

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Macrophages, classified as nucleated cells, possess both MHC I and MHC II molecules on their surface. This aligns with the established rule that all nucleated cells express MHC I, while specific immune cells, including dendritic cells, macrophages, and B cells, express MHC II. Thus, macrophages function as antigen-presenting cells, facilitating immune responses through the presentation of antigens via both types of MHC molecules.
jayadds
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Hi all,

I was just wondering, are there MHC I molecules on the surface of a macrophage? According to my textbook, this is the rule:

All nucleated cells have MHC I
Dendritic cells, macrophages and B cells have MHC II

Can macrophage be considered as a nucleated cell? If so, does that mean a macrophage has both MHC I and II molecules on its surface?

Many thanks,
Jay
 
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Yes, macrophages (and other Antigen Presenting Cells) have MHC I in addition to MHC II.
 
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