CD Molecules

• CD51---- Endothelial cells, megakaryocytes,
osteoclasts , monocytes and macrophages,
placenta cytotrophoblast and Hofbauer cells;
fibroblasts
• CD61----- on thrombocytes.
a/w- Endometriosis and Glanzmanns
thrombosthenia
• CD71----Transferrin receptor/erythroblast /
glycophorin, mediates cellular uptake of iron.
Its a new receptor for IgA expressed on
mesangial cells.( seen in IgA nephropathy
(IgA-N) and Henoch-Schönlein Purpura (HSP)
nephritis)
• CD81 molecule --- B cells ; T cells, NK cells,
Dendritic cells,Monocytes and blood
progenitors.