reference
FcRn
Neonatal Fc receptor that recycles IgG and albumin and supports long antibody half-life
IgGFc receptorhalf-lifeplacenta
Review layer
Last reviewed 2026-05-17
conceptualeducational
Systems teaching draft. Content is structured for education and graph expansion, with formal source tagging ready for the next review pass.
receptor
Systems Context
FcRn is the persistence layer of the IgG system; it determines how long systemic antibody information remains available.
Clinical Use
Important for therapeutic antibody pharmacology, maternal-fetal immunity, and IgG persistence logic.
Aliases
Expressed By
Targets
IgGalbumin
Functions
IgG recyclinghalf-life extensionplacental transfermucosal transport