Target intelligence / Profile preview

RhD Antigen (RhD)

Target
RhD
Molecular classification
Transmembrane multipass protein, Antigen
01

Overview

The RhD antigen is a highly immunogenic protein found on the surface of red blood cells. Its presence or absence determines whether an individual is classified as RhD positive or RhD negative. While its precise physiological function is not fully understood, it may play a role in gas transport across the red cell membrane. Its primary clinical significance lies in its role in hemolytic disease of the fetus and newborn (HDFN) due to maternal anti-D antibodies.

Other names
RHDCD240Dcluster of differentiation 240DHDFNRH
02

Biological functions

Potential membrane transporter for gasesErythrocyte structural component
03

Disease associations

Hemolytic disease of fetus/newborn (HDFN)
04

Safety considerations

Alloimmunization leading to anti-D antibody formationHemolytic transfusion reactionsHemolytic disease of fetus/newborn (HDFN)
05

Biomarkers

Presence/absence of RhD antigen on red blood cells

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