Discover and read the best of Twitter Threads about #polymorphic

Most recents (1)

1/ A short #tweetorial introducing human leukocyte antigen (HLA) and typing...an important and often confusing topic in #transplantation #kidneytransplant

#FOAMed @MedTweetorials

What is an "HLA"?
2/

HLAs = cell surface proteins encoded by highly polymorphic major histocompatibility complex (MHC) genes on Ch 6 🧬

In #transplantation, HLA proteins are #polymorphic antigens ➡️ alloreactive trigger for the immune response ➡️ can ultimately lead to organ #rejection ☠️
3/ The 2 primary classes of MHC molecules are 1⃣ and 2⃣.

Class 1⃣ MHC are found on the cell surface of ALL nucleated cells + platelets. Their role is to present intracelleular peptide fragments to CD8 #Tcells
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