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comment_37475

Would someone please explain the f antigen and antibody for me. I can't seem to get it straight and if I do I don't retain it! Thanks in advance.

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comment_37477

Or where I can find information. I did a search of this site and didn't find all that much, which confuses me because I think it's talked about alot. I also searched the internet and what I found didn't explain it well. Thanks

comment_37479

You can look at the "antigens" area of this site - under Rh. f ag occurs when ce are together ®. It is a compound ag dervied from the configuration of c and e ags together.

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comment_37481

If a DCe/DcE patient receives Rh negative blood (usually dce/dce)then they may develop anti-f ?

The Rh genotypes DCe/DCe and DCe/DcE can make anti-f whereas DCe/dce, DcE/dce and dce/dce can cause the anti-f to be made if transfused into the first two genotypes? What about auto anti-f. Is there a tendency of any paticular genotype to make it more often? It occurs often with anti-c?

  • 1 month later...
comment_38718

If a DCe/DcE patient receives Rh negative blood (usually dce/dce)then they may develop anti-f ? --> I would say yes because the recipient does not have the 'f' antigen (you need to remember that the ce antigens must be inherited from the same haplotype ie the same parent); the donor does express the 'f'antigen, therefore the recipient may form Anti-f.

The Rh genotypes DCe/DCe and DCe/DcE can make anti-f whereas DCe/dce, DcE/dce and dce/dce can cause the anti-f to be made if transfused into the first two genotypes? --> yes, see above.

What about auto anti-f. Is there a tendency of any paticular genotype to make it more often? It occurs often with anti-c? --> not sure but there's just about auto-anti-anytying... Marion Reed's book might give you a better idea about the frequency of this occurring.

comment_38726

Remeber also, that an apparent R1R2 (DCe/Dce) may actually be an Rzr (DCE/dce) or other rare genotypes (such as dCE/Dce or DCE/Dce), all of which can stimulate anti-f (or react with it) and so we always advise givine R1R1 or R2R2 blood, depending upon the recipient's Rh type - just in case!

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