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. 2007 May 9:47–124. doi: 10.1016/B978-012198382-6/50027-3

Table 3.5.

Human leukocyte differentiation antigens

CD Alternative name HLDA section Ligand/receptor/substrate/associated molecule Description and function MW (kDa) T cell B cell Dendritic cell NK cell Stem cell/precursor Macrophage/monocyte Granulocyte Platelet Erythrocyte Endothelial cell Epithelial cell Gene locus CD
CD1a R4 T Non-peptide antigen presenting molecules; involved in lymphocyte activation; related to thymic T cell development 49/- ⊕ ⊕ — ⊕ — — — 1q22-q23 CD1a

CD1b R1 T Non-peptide antigen presenting molecules; involved in lymphocyte activation; related to thymic T cell development 45/- ⊕ ⊕ — ⊕ − − − 1q22-q23 CD1b

CD1c M241, R7 T Non-peptide antigen presenting molecules; involved in lymphocyte activation; related to thymic T cell development. Expressed by a subset of peripheral blood B cells 43/- ⊕ + − ⊕ − − − 1q22-q23 CD1c

CD1d R3 T Non-peptide antigen presenting molecules; involved in lymphocyte activation; related to thymic T cell development ⊕ + − − − − +c 1q22-q23 CD1d

CD1e R4 T Non-peptide antigen presenting molecules; involved in lymphocyte activation; related to thymic T cell development − − − − 1q22-q23 CD1e

CD2 E-rosette R T11, LFA-2 T Receptor for CD58, CD48, CD59 and CD15; adhesion and signal-transducing molecule 50/- + + − − − 1p13 CD2

CD3 T3 T Associated with T cell receptor α/β or γ/δ dimer, signal transduction; assembly and expression of the T cell receptor complex 20–26 + − − − − − − − − − 11q23 CD3

CD4 L3T4, W3/25 T MHC Class II, gp120, IL-16 Co-receptor in antigen-induced T cell activation; thymic differentiation; regulation of T-B cell adhesion; primary receptor for HIV; binds to MHC class II. Also expressed in peripheral blood monocytes, tissue macrophages, granulocytes 55 + − − − + − − − − − 12pter-p12 CD4

CD5 T1, Tp67, Leu-1 T CD72, BCR, gp35–37 Co-stimulatory molecule; receptor for constitutive (CD72) and inducible (gp35-37) B cell-specific molecules 58/67 + + − − − − − 11q13 CD5

CD6 T12 T CD166 Adhesion molecule. In thymocyte resistance to apoptosis and in positive selection; important in T mature cell response to both alloantigen and self-antigen -/105–130 + + − − − − 11q13 CD6

CD7 gp40 T Possible co-activation/adhesion modulating molecule 40 + − + + − − − − 17q25.2-q25.3 CD7

CD8α Leu2, T8 T MHC I, Lck Co-receptor molecule; binds to MHC class I 68/30–34 + − + − − − − − − − 2p12 CD8 α

CD8β CD8, Leu2, Lyt3 T Co-receptor molecule; binds to MHC class I + − − − − − − − − − 2p12 CD8β

CD9 p24, DRAP-1, MRP-1 Platelet CD63, CD81, CD82 Modulates cell adhesion and migration; triggers platelet activation; expressed on eosinophils and basophils -/24,26 ⊕ + − + + + + + 2p13 CD9

CD10 CALLA, NEP, gp100 B Zinc metalloprotease; neutral endopeptidase; regulator of B cell growth and proliferation by hydrolysis of peptides with proliferative/anti-proliferative effects 100/- − − − + − − − − + 3q25.1-q25.2 CD10

CD11a LFA-1a Integrin αL Adhesion structure ICAM-1,2,3 Intracellular adhesion and co-stimulation; binds to ICAM-1, ICAM-2, ICAM-3; expressed on eosinophils and basophils 170/180 + + + + + − − 16p11.2 CD11a

CD11b Integrin αM MAC-1a Adhesion structure iC3b,Fibrinogen Adherence of polymorphonuclear neutrophils and monocytes to fibrinogen, ICAM-1 endothelium; extravasation; chemotaxis; apoptosis 165/170 + + + + + + − − 16p11.2 CD11b

CD11c Integrin αX, p150:95a Adhesion structure iC3b Adherence of polymorphonuclear neutrophilis and monocytes to fibrinogen, ICAM-1 endothelium; binds iC3b-coated particles 145/150 + + + + + + − − 16p11.2 CD11c

CDw12 P90–120 Myeloid Function unknown 150–160/120 − − + − + + − − CDw12

CD13 APN, Gp150 Myeloid Acts as receptor for coronavirus which causes upper respiratory tract infections; involved in interactions between human CMV and target cells; CD13 auto-Ab associated with GVHD 150/- − − − + + + − − + + 15q25-q26 CD13

CD14 LPS-R Myeloid LPS Receptor for lipopolysaccharide (endotoxin) 53/55 − − − + + 5q31.1 CD14

CD15 X-hapten, Lewis X Carbohydrate CD62 selectin May be important for direct carbohydrate-carbohydrate interactions − − − − + + − − − CD15

CD15s Sialyl Lewis X Carbohydrate and lectin E-selectins Expressed on myelomonocytic leukemia, some lyphocytic leukemia cells, and on adenocarcinomas + ⊕ + + + + CD15s

CD15 u 3′ sulpho Lewis X Carbohydrate and lectin P-selectins CD15 subgroups involved with different carbohydrate to carbohydrate cell adhesion + ⊕ + + + − + CD15u

CD15su 6 sulphosialyl Lewis X Carbohydrate and lectin L-selectins CD15 subgroups involved with different carbohydrate to carbohydrate cell adhesion + ⊕ + + + − + CD15su

CD16 FcγRIIIa NK Fc Low affinity receptor for IgG. Major histocompatibility complex 50–65/- − − + + + + − − CD16

CD16b FcγRIIIb NK Fc Function unknown N/A + + + + − − + CD16b

CDw17 None Myeloid Possible role in phagocytosis. Expressed in basophils 150–160/120 + + + − + + + − + + CDw17

CD18 Integrin β2 Adhesion structure CD11a, b, c Leukocyte adhesion 90/95 + + + + + − − 21q22.3 CD18

CD19 B4 B CD2, CD81, CD225 A critical signal transduction molecule that regulates B cell development, activation and differentiation 90 − + + − + − − − − − − 16p11.2 CD19

CD20 B1, Bp35 B Regulation of B cell activation and proliferation by regulating transmembrane Ca2+ conductance and cell cycle progression 37/35 − + − − − − − − − − − 11q12-q13.1 CD20

CD21 CR2, EBV-R, C3dR B C3d, CD23, CD19, CD81 Receptor for EBV and C3d, C3dg, and iC3b; subset of immature thymocytes; CD21 is part of a large signal transduction complex that also involves CD91, CD81, and Leu1 130–145 − + − − + − − − − − + 1q32 CD21

CD22 BL-CAM, Lyb8 B p72sky, p53/56lyn, SHP1 Adhesion molecule; signaling molecule; antibody treatment of leukemia and lymphoma 135 − + − − + − − − − − − 19p13.1 CD22

CD23 Fc⊕RII, B6, BLAST-2 B IgE, CD21, CD11b, CD11c Low affinity IgE receptor; regulates IgE synthesis; triggers monokine release; serum soluble CD23 level is a significant prognostic marker in CLL 50–45 − + − − − − − 19p13.3 CD23

CD24 BBA-1, HSA B P-selectin Function unknown; homologous to mouse heat stable antigen; P-selectin on human carcinomas is involved in carcinoma binding to platelets 41/38 − + − − − − + − − − + 6g21 CD24

CD25 Tac antigen, IL-2Rα CK/CKR IL-2 IL-2 receptor α chain; associated with CD122 and CD132 55 ⊕ + − + − − − − − − − 10p15-p14 CD25

CD26 DPP IV ectoenemye T Adenosine deaminase Co-stimulatory molecule in T cell activation; associated marker of autoimmune diseases, adenosine deaminase-deficiency and HIV pathogenesis 120 + + − + − − − − − − + 2q24.3 CD26

CD27 T14, S152 T CD70, TRAF5, TRAF2 Mediates a co-stimulatory signal for T cell activation. Involved in murine T cell development 110–120 + + − + − − − − − − − 12p13 CD27

CD28 Tp44, T44 T CD80, CD86 Co-stimulates T cell proliferation and cytokine production with CD3; co-stimulates T cell effector function and T cell-dependent antibody production 90 + − − − − − − − − − − 2q33 CD28

CD29 Platelet GPIIa, β-1 integrin Adhesion structure VCAM-1 and MAdCAM-1 Critical molecule for embryogenesis and development; essential to the differentiation of hematopoietic stem cells; associated with tumor progression and metastasis/invasion 110130 + + + + + + + + 10p11.2 CD29

CD30 Ber-H2, Ki-1 Non-lineage CD153, TRAF1,2,3,5 Member of TNFR family, involved in negative selection of T cells in thymus and TCR-mediated cell death; expressed on R-5 cells in Hodgkin's lymphomas 120 ⊕ ⊕ ⊕ − − − − − − 1p36 CD30

CD31 PECAM-1, endocam Adhesion structure CD38 Adhesion receptor with signaling function that participates in an adhesion cascade; transendothelial migration cell-cell adhesion 130–140 + + + + + + − + 17q23 CD31

CD32 FCγRII Non-lineage Phosphatases Regulates B cell functions; major player in immune complex-induced tissue damage 40 − + − + + + − − 1q23 CD32

CD33 P67 Myeloid Sugar chains Diagnosis of acute myelogenous leukemia; negative selection for human self-regenerating hematopoietic stern cells 67 − − − + + + − − − − 19q13.3 CD33

CD34 gp 105–120 Adhesion structure L-selectin Cell adhesion; CD34 also expressed on embryonic fibroblasts and nervous tissue 105–120 − − − − + − − − − + 1q32 CD34

CD35 CR1, C3b/C4b receptor Myeloid C3b, C4b, iC3, iC4 C3b/C4b receptor; promotes phagocytosis (immune adherence); plays a major role in removal of immune complexes; regulates complement activation 160–250 + + + − + + − + 1q32 CD35

CD36 GpIIIb, GPIV Platelet Thrombospondin Recognition and phagocytosis of apoptotic cells; involved in platelet adhesion and aggregation; cytoadherence of plasmodium falciparum-infected erythrocytes 90 − − + − + + − + + − 7q11.2 CD36

CD37 gp52–40 B CD53, CD81, CD82, MHC II Involved in signal transduction 40–52/40–52 + + − + + − − 19p13-q13.4 CD37

CD38 ADP-ribosyl cyclase, T10 B CD31 Regulates cell activation and proliferation; involved in lymphocyte and endothelial cell adhesion 45/45 + + + + + − 4p15 CD38

CD39 None B ADP/ATP May protect cells from lytic effects of extracellular ATP 80/80 ⊕ + + + + − + + 10q24 CD39

CD40 Bp50 B CD40L Involved in B cell growth, differentiation and isotype switching; potent rescue signal from apoptosis; promotes cytokine production 85/48 − + + − + + − − + + 20q12-q13.2 CD40

CD41 GPIIb, αIIb integrin Platelet Fg, Fn, vWF CD41/CD61 complex plays a central role in platelet activation and aggregation 135/120, 23 − − − − + − − + − − − 17q21.32 CD41

CD42a GPIX Platelet vWF, thrombin Forms complex with GPIbα GPIbβ, and GPV, which binds to vWF and thrombin 22/17–22 − − − − + − − + − − − 3q21 CD42a

CD42b GPIbα Platelet vWF, thrombin Forms complex with GPIX, GPIbβ, and GPV, which binds to vWF and thrombin 160/145 − − − − + − − + − − − 17pter-p12 CD42b

CD42c GPIbβ Platelet vWF, thrombin Forms complex with GPIX, GPIbα, and GPV, which binds to vWF and thrombin 160/24 − − − − + − − + − − − 22q11.21 CD42c

CD42d GPV Platelet vWF, thrombin Forms complex with GPIX, GPIbα, and GPIbβ, which binds to vWF and thrombin 82/82 − − − − + − − + − − − 3 CD42d

CD43 Sialophorin, leukosialin Non-lineage Hyaluronan Anti-adhesion molecules mediates repulsion between leucotyes and other cells; under some circumstances it may act as an adhesion molecule 95–135/95–135 + + + + + + − 16p11.2 CD43

CD44 ECMRII, H-CAM, Pgp-1 Adhesion structure Hyaluronan An adhesion molecule in lymphocyte-endothelial cell interaction; a differentiation antigen during lymphopoiesis; a potential marker of malignancy and metastasis 85/- + + + + + − + + + 11p13 CD44

CD44R CD44v, CD44v9 Adhesion structure Hyaluronan Involved in adhesion of leukocytes and endothelial cells; leukocyte homing 85/200/- ⊕ + 11p13 CD44R

CD45 LCA, T200 Non-lineage p56, p59, Src kinases Critical requirements for TCR- and BCR-mediated activation; possible requirement for receptor-mediated activation in other leukocytes 180220/- + + + + + + + − − − − 1q31-q32 CD45

CD45RA Non-lineage p56, p59, Src kinases Critical requirement for TCR- and BCR-mediated activation; expressed on resting/naive T cells; possible requirement for receptor-mediated activation in other leukocytes 220 + + + + + + − − − − − 1q31-q32 CD45RA

CD45RB Non-lineage p45, p59, Src kinases Critical requirement for TCR- and BCR-mediated activation; possible requirement for receptor-mediated activation in other leukocytes 220 + + + + + + + − + − − 1q31-q32 CD45RB

CD45RC Non-lineage p56, p59, Src kinases Critical requirement for TCR- and BCR-mediated activation; possible requirement for receptor-mediated activation in other leukocytes 220 + + + + + + − − − − − 1q31-q32 CD45RC

CD45RO UCHL-1 Non-lineage p56, p59, Src kinases Critical requirement for TCR- and BCR-mediated activation; expressed on activated/momery T cells; possible requirement for receptor-mediated activation in other leukocytes 180 ⊕ + + + + + + − − − − 1q31-q32 CD45RO

CD46 MCP Non-lineage SCR Co-factor for factor I proteolytic cleavage of C3b and C4b 52–58/64–68 + + + + + + − + + 1q32 CD46

CD47 gp42, IAP, OA3 Adhesion structure SIRP Adhesion molecule; thrombospondin receptor 45–60/50–55 + + + + + + + + + 3q13.1-q13.2 CD47

CD47R MEM-133 Non-lineage CDw149 mAbs actually recognized with low affinity the CD47 glycoprotein 120/- + + + + + + + + 3q13.1-q13.2 CD47R

CD48 Blast-1, Hu lym3 Non-lineage CD2, lck, fyn Adhesion molecule; acts as an accessory molecule for γ/δ T-cell recognition; as predicted for α/β T-cell antigen recognition 45/45 + + + + + − − − 1q21.3-q22 CD48

CD49a VLA-1α, α1 integrin Adhesion structure Collagen, laminin-1 Adhesion receptor 200/200 ⊕ − ⊕ − − − − − 5 CD49a

CD49b VLA-2α, GPIa Adhesion structure Collagen, laminin Adhesion molecule 150/160 ⊕ + + + + − + − + + 5q23–31 CD49b

CD49c VLA-3α, α3 integrin Adhesion structure laminin-5, Fn, collagen Component of adhesion receptor; associates with TM4 of protein; may be involved in signal transduction 145–150/125,30 − − + + + 17q21.31 CD49c

CD49d VLA-4α, α4 integrin Adhesion structure CD106, MAdCAM Cell adhesion; lymphocyte migration; tethering or rolling and homing of T cells 145/150 + + + + + ⊕ − − − + 2q31-q32 CD49d

CD49e VLA-5α, α5 integrin Adhesion structure Fibronectin, invasin Adhesion molecule 160/135, 25 + + + + + − + + 12q11-q13 CD49e

CD49f VLA-6α, α6 integrin, gplc Adhesion structure Laminins, invasin Component of adhesion receptor; CD49f/CD29-mediated T cell binding to laminin receptor provides a co-stimulatory signal to T cells for activation and proliferation 150/125 + + + + + + 2p14-q14.3 CD49f

CD50 ICAM-3 Adhesion structure LFA-1, integrin ad/b2 Co-stimulatory molecule; regulates LFA-1/ICAM-1 and integrin-β1-dependent pathways adhesion; soluble form can be detected in the blood 110/140/- + + + + + + − − + − 19p13.3-p13.2 CD50

CD51 Integrin αv, VNR-α Platelet Arg-Gly-Asp Involved in cell adhesion and signal transduction; role in bone metabolism and apoptosis; possible role in infection 150/124, 24 + − + + 2q31-q32 CD51

CD52 CAMPATH-1, HE5 Non-lineage CD52 antibodies are remarkably lytic for target cells, both with human complement and by antibody-dependent cellular cytotoxicity 25–29/25–29 + + + + − − + 1p36 CD52

CD53 Non-lineage VLA-4, HLA-DR Signal transduction; CD53 cross-linking promotes activation of B cells 32–42/ + + − + + + + − − + − 1p31-p12 CD53

CD54 ICAM-1 Adhesion structure LFA-1, Mac-1, rhinovirus Involved in immune reaction and/or inflammation; receptor for Rhinovirus or RBCs infected with malarial parasite; soluble form can be detected in the blood 90/95 + + + + 19p13.3-p13.2 CD54

CD55 DAF Non-lineage SCR, CD97 Complement regulation by decay acceleration; ligand or protective molecule in fertilization; involved in signal transduction; soluble form can be detected in plasma and body fluid 5570/80 + + + + + + + + + + 1q32 CD55

CD56 Leu-19, NKH-1, NCAM NK NCAM, Heparin sulfate Homophilic and heterophilic adhesion 140 + + 11q23-q24 CD56

CD57 HNK1, Leu-7 NK L-selectin, P-selectin Laminin Cell-cell adhesion 110–115 + CD57

CD58 LFA-3 Adhesion structure CD2 Mediates adhesion between killer and target cells, antigen-presenting cells and T cells; activation of killer cells; co-stimulatory molecule 55–70 + + + + + + + + + 1p13 CD58

CD59 IF5Ag, H19 Non-lineage C8-α, C9, lck, fyn Associates with C9, inhibiting incorporation into C5b-8 preventing the completion of MAC formation 18–25 + + + + + 11p13 CD59

CD60a GD3 Carbohydrate and lectin Induces mitochondrial permeability transition during apoptosis; marker for malignant melanomas + + + + + − CD60a

CD60b 9–0-acetyl CD3 Carbohydrate and lectin 9–0-acetyl-CD3 mAbs immunoreactive to CD60b have co-mitogenic activity of synovial T cells; also observed on some breast carcinomas and melanomas 90–94/120 + + + + + CD60b

CD60c 7-0-acetyl CD3 Carbohydrate and lectin T cell activation receptor; T cell activation by CD60c does not require co-stimulatory signals + + + CD60c

CD61 GP IIIa, β3 integrin Platelet Fibrinogen CD41/61 mediates attachment of cells to diverse matrix proteins 90110 + + + 17q21.32 CD61

CD62E E-selectin Adhesion structure (CD15s) Mediates leukocyte rolling on activated endothelium at inflammatory sites; may support cell adhesion during hematogenous metastasis and play a role in angiogenesis 115 + 1q22-q25 CD62E

CD62L L-selectin Adhesion structure CD34, GlyCAM-1, M Mediates lymphocyte homing to high endothelial venules or peripheral lymphoid tissue and leukocyte rolling on activated endothelium at inflammatory sites 74 + + + − + + 1q23-q25 CD62L

CD62P P-selectin, GMP-140 Platelet CD162, CD24 Interaction of CD62P and CD162 mediates tethering and rolling of leukocytes on the surface of activated endothelial cells; mediates rolling of platelets on endothelial cells 120 + + 1q22-q25 CD62P

CD63 LIMP, MLA1, gp55 Platelet VLA-3, VLA-6, CD81 CD63 gene may play a role in tumor suppression; expression of CD63 in melanoma cells reduces metastasis 40–60 + + + + + 12-q12-q13 CD63

CD64 FCRI Myeloid IgG Receptor-mediated endocytosis of IgG-antigen complexes; antigen capture for presentation to T cells. ADCC 72 − − + − + + − − − − 1q21.2-q21.3 CD64

CD65 Ceramide, VIM-2 Myeloid E-selectin Function unknown + + CD65

CD65s Sialylated-CD65, VIM2 Myeloid Possibly E- or P-selectin VIM2 antibody has been described to inhibit phagocytosis and to induce phagocyte calcium flux and oxidative burst − − − + + − − − CD65s

CD66a NCA-160, BGP Myeloid Homophilic and heterophilic adhesion; E-selectin binding; capable of activating granulocytes; functions as a receptor for Neisseria gonorrhea 140–180 − − − + − − − + CD66a

CD66b CD67, CGM6, NCA-95 Myeloid Capable of heterophilic adhesion and transmembrane signaling; capable of activating neutrophils 95100 − − − + − − − 19q13.2 CD66b

CD66c NCA, NCA-50/90 Myeloid Homophilic and heterophilic adhesion, E-selectin binding; capable of activating granulocytes; functions as a receptor for Neisseria gonorrhea 90 − − − + − − − + 19q13.2 CD66c

CD66d CGM1 Myeloid Capable of activating granulocytes. Functions as a receptor for Neisseria gonorrhea 35 − − − + − − − 19q13.2 CD66d

CD66e CEA Myeloid Homphilic and heterophilic adhesion 180200 − − − − − − + 19q13.2-q13.2 CD66e

CD66f SP-1, PSG Myeloid Unclear, may be involved in immune regulation and regulation and protection of fetus from maternal immune system; necessary for successful pregnancy 54–72 − + 19q13.2 CD66f

CD68 gp110, macrosialin Myeloid LDL Lysosomal membrane glycoprotein (LAMP 1 group); possible receptor 110 +c +c +c +c +c +c − − 17p13 CD68

CD69 AIM, EA 1, MLR3, gp34/28 NK Involved in lymphocyte, monocyte, and platelet activation 60 ⊕ ⊕ ⊕ ⊕ ⊕ + 12p13-p12 CD69

CD70 Ki-24 Non-lineage CD27 Co-stimulation of T and/or B cells; enhances the proliferation of cytotoxic T cells and cytokine production. Co-stimulates B cell proliferation and Ig production 55–170 ⊕ ⊕ − − − − − − − − − 19p13 CD70

CD71 T9, Transferrin receptor Non-lineage Transferrin Controls the supply of iron uptake during proliferation 190 − − − − + − + 3q26.2-qter CD71

CD72 Ly-19.2, Ly-32.2, Lyb-2 B CDS Plays a role in downregulation of signaling through the BCR on B cells as a regulator of signaling thresholds 43/39 − + + − + − − − 9p CD72

CD73 Ecto-5-nuclotidase B AMP Hydrolyzes adenosine monophosphate into adenosine; can mediate co-stimulatory signals in T cell activation 69–72 + + + − + − − − − + + 6q14-q21 CD73

CD74 invariant chain B HLA-DR, CD44 Intracellular sorting of MHC class II molecules; also known as Class II specific chaperone li 41 + + + + + 5q32 CD74

CD75 Sialo-masked lactosamine Carbohydrate and lectin CD75 is newly clustered including CDw75 and CDw76, CDw76 has been deleted − + − − + − − + − − CD75

CD75s a2, 6 sialylated lactosamine Carbohydrate and lectin CD22 (proposed) May be involved in regulation of CD95-mediated apoptosis and may be important for infection by a lymphotropic virus + + − − + + − + + + CD75s

CD77 Pk antigen/BLA/CTH/Gb3 B Receptor for Shiga toxin Cross-linking of CD77 induces apoptosis in Burkitt's lymphoma cells 1 − + − − − − − − + + CD77

CD79a Ig α/MB1 B Ig/CD5/CD19/CD22/CD79b Transmits signals into cytoplasm upon antigen-binding to surface lgs 40–45 + 19q13.2 CD79a

CD79b Ig β/B29, BCR B Ig/CD5/CD19/CD22/CD79a B cell antigen receptor (BCR) mediates the response of B cells to foreign antigens and determines the fate of B cells during development and differentiation -/37 − + − − − − − − − + 17q23 CD79b

CD80 B7-1/BB1 B CD28/CD152 (CTLA-4) Co-regulation of T-cell activation with CD86 60/- ⊕ ⊕ + − − + − − − − − 3q13.3-q21 CD80

CD81 TAPA-1 B Leu-13/CD19/CD21 Member of CD19/CD21/Leu-13 signal transduction complex. #Or ly on eosinophils, not neutrophils 26/- + + + + + + +# + + 11p15 CD81

CD82 4F9/C33/IA4/KAI1/R2 B Signal transduction. #Also associates with MHC class I and II, β1 integrins, CD4 and CD8 45–90/- + + + + + + + − + + 11p11.2 CD82

CD83 HB15 B Unknown Function unknown -/43 − + + − − − − − − − 6p23 CD83

CD84 None B Unknown Function unkown, some indication that it may be a signaling molecule 68–80 + + − + − − − − 1q24 CD84

CD85a* ILT5/LIR3/HL9 Dendritic cell HLA class I Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity + − + − + + + − − − − 19q13.4 CD85a*

CD85b* ILT8 NK FcRγ Involved with activation of NK-mediated cytotoxicity 19ql3.4 CD85b*

CD85c* LIR8 NK FcRγ Involved with activation of NK-mediated cytotoxicity 19ql3.4 CD85c*

CD85d* ILT4/LIR2/MIR 10 Dendritic cell HLA class I Contains I TIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 110 − − + − − + + − − − − 19ql3.4 CD85d*

CD85e* ILT6/LIR4 NK FcRγ Involved with activation of NK-mediated cytotoxicity 19ql3.4 CD85e*

CD85f* ILT11 NK FcRγ Involved with activation of NK-mediated cytotoxicity. Mainly expressed on PBL 19ql3.4 CD85f*

CD85g* ILT7 NK FcRγ Involved with activation of NK-mediated cytotoxicity 19ql3.4 CD85g*

CD85h* ILT1/LIR7 NK FcRγ Involved with activation of NK-mediated cytotoxicity. Expressed on myeloid cells and some NK cells 19ql3.4 CD85h*

CD85i* LIR6a NK FcRγ Involved with activation of NK-mediated cytotoxicity 19ql3.4 CD85i*

CD85j* ILT2/LIR1/MIR7 Dendritic cell HLA class I Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 110 + + + + − + + − − − − 19ql3.4 CD85J*

CD85k* ILT3/LIR5/HM18 Dendritic cell HLA class I Ligation of CD85K induces an inhibitory signal via recruitment of SHP-1 phosphatase 60 − − + − + + + − − − − 19ql3.4 CD85k*

CD85i* ILT9 NK FcRγ Binds FcRγ 19ql3.4 CD85L*

CD85m* ILT10 NK FcRγ Binds FcRγ 19ql3.4 CD85m*

CD86 B7-2/B70 B CD8S/CD152 (CTLA-4) Co-regulator of T cell activation with CD80 -/80 ⊕ ⊕ + − − + − − − + − 3q21 CD86

CD87 uPAR Myeloid uPA/Pro-UPA/vitronectin CD87 serves as the cellular receptor for pro-uPA and uPA 35–68/32–66 + − + + − + + − − + − 19ql3 CD87

CD88 C5aR Myeloid C5a/C5a(desArg) C5a-mediated inflammation; activation of granulocytes 43/- − − + − − + + − − + + 19ql3.3-ql 3.4 CD88

CD89 IgA FC receptor Myeloid IgAl/IgA2 Induces phagocytosis, degranulation, respiratory burst, and the killing of microorganisms 45–100/45–100 − − − − + + − − − − 19ql3.2-ql 3.4 CD89

CD90 Thy-1 Endothelial cell CD45/lck/fyn/P100 May contribute to lymphocyte co-stimulation, inhibition of stem cell proliferation/differentiation and neuron memory formation 25–35/25–35 − − − + − − − − + − 11q22.3-q23 CD90

CD91 ALPHA2M-R/LRP Myeloid ALPHA2M/LDLs Endocytosis-mediating receptor expressed in coated pits. #Expressed on erythroblast/reticulocytes 600/- − − − +# + − − − − + 12q13-q14 CD91

CD92 None Myeloid Unknown Function unkown 70/70 + + + + − − + + CD92

CDw93 None Myeloid Unknown Function unknown 110/120 − − − − − + + − − + − CDw93

CD94 Kp43 NK HLA class I Assembled with other C-type lectins (NKG2) forms inhibitory or activating receptors for HLA class I 70, 30 + − + − − − − − − 12q13 CD94

CD95 APO-1, FAS, TNFRF6 Cytokine receptor Fas ligand Receptor molecule for Fas ligand, which mediates apoptosis-inducing signals 45, 90, 200/45 + + + + + − − 10q24.1 CD95

CD96 TACTILE NK Adhesion of activated T and NK cells during the late phase of immune response; weakly expressed by peripheral resting NK or T cells, upregulated after activation 160/- ⊕ − ⊕ − − − − CD96

CD97 Non-lineage CD55 Member of the EGF-TM7 family; weakly expressed on resting lymphocytes, upregulated by activation /28, 75–85 ⊕ ⊕ + ⊕ + + − − 19p13.2-p13.12 CD97

CD98 4F2, FRP-1, RL-388 Non-lineage actin Possible amino acid transporter; broad reactivity on activated and transformed cells, not hematopoietic specific, and found at lower levels on quiescent cells 125/80, 45 + + + + + + − + + 11q13 CD98

CD99 MIC2, E2 T Modulates T-cell adhesion; induces apoptosis of double-positive thymocytes; expressed on all hemological cells and present on many other cell types 32/32 + + + + − + + + + Xp22.32, Yp11.3 CD99

CD99R CD99 Mab restricted T Modulates T-cell adhesion; induces apoptosis of double-positive thymocytes 32/32 + − + − + − − 9q22-q31 CD99R

CD100 SEMA4D Non-lineage CD45, serine kinase Co-stimulatory molecule for T-cells; increases PMA, CD3, and CD2 induced T cell proliferation; Soluble form is 120 kD 300/150 + + − + − + + − − − 9q22-q31 CD100

CD101 IGSF2, P126, V7 Myeloid Co-stimulatory molecule; antibodies against CD101 inhibit allogenic T cell responses and co-stimulate T cell proliferation with suboptimal anti-CD3 activation 240/120 ⊕ − + − + + − − 1p13 CD101

CD102 ICAM-2 Adhesion structure LFA-1, CD11b/CD18 Provides co-stimulatory signal in immune response; lymphocyte recirculation; expressed on some resting lymphocytes 55–65/ + + + + − + − + 17q23-q25 CD102

CD103 HML-1, integrin αE Adhesion structure E-cadherin; integrin β7 Expressed on intestinal intraepithelial lymphocytes, lamina propria T cells in intestine; stimulation of PBL with PHA induce CD103 expression 175/150,25 ⊕ − − − − − − − 17p13 CD103

CD104 β4 integrin chain, TSP-180 Adhesion structure Laminins (I, II, IV, V), CD49F Hemidesmosomal CD49f/CD104 (α6β4 integrin) plays an important role in the adhesion of epithelia to basement membranes. #CD4-CD8-pre-T cells 205/220 − − − +# + − − − + + 17q11-qter CD104

CD105 Endoglin Endothelial cell TGF-β 1, TGF-β 3 Regulatory component of the TGF β receptor complex; modulator of cellular responses to TGF-1 β 180/90 − − − + + − − − + 9q33-q34.1 CD105

CD106 VCAM-1, INCAM-110 Endothelial cell Integrin α4β 1 Leukocyte adhesion, transmigration and co-stimulation of T cell proliferation; expressed on activated endothelial cells, follicular dendritic cells, and certain tissue macrophages# 110/110 − − +# − +# − − − ⊕ 1p32-p31 CD106

CD107a LAMP-1 Platelet Possible role in cell adhesion; highly metastatic tumor cells express more LAMP molecules on the cell surface than poorly metastatic cells; expressed on lysosomal membrane 100–120/ ⊕ − − + ⊕ ⊕ − ⊕ + 13q34 CD107a

CD107b LAMP-2 Platelet Possible role in cell adhesion; highly metastatic tumor cells express more LAMP molecules on the cell surface than poorly metastatic cells; expressed on lysosomal membrane 100–120/ − − − − ⊕ ⊕ − ⊕ Xq24 CD107b

CD108 SEMA7A, JMH Non-lineage CD232 Function unknown; carries JMH blood group antigen; expressed at low levels on circulating lymphocytes, at moderately high levels by cells and lymphoblastic cell lines 76/80 + + − − + 15q22.3-q23 CD108

CD109 8A3, 7D1, E123 Endothelial cell Function unknown 170/170 ⊕ − − + − − ⊕ − + + CD109

CD110 TPO-R, MPL, C-MPL Platelet TPO Receptor for TPO. Receptor binding results in the prevention of apoptosis, stimulation of cell growth and differentiation of megakaryocyte and platelet formation 82–92/ − − − − + − − + − 1p34 CD110

CD111 HveC, PRR1, PVRL1, nectin1 Myeloid gD, nectin3, afadin Intercellular adhesion molecule; involved in epithelial cell physiology; pan-alphaherpes virus entry receptor -/75 − − + + + − + + + 11q23-q24 CD111

CD112 HveB, PRR2, PVRL2, nectin2 Myeloid PRR3, afadin Homophilic adhesion receptor that could play a role in the regulation of hematopoietic/endothelial cell functions; involved in cell to cell spreading of viruses 72, 64/72, 64 − + + + + + − + + 19q13.2–13.4 CD112

CD114 CSF3R, G-CSFR, HG-CSFR Myeloid G-CSF, Jak1, Jak2 Regulates myeloid proliferation and differentiation 130 − − − + + + − + 1p35-p34.3 CD114

CD115 c-fms, CSF-1R, M-CSFR Myeloid CSF-1 Receptor for CSF-1 (macrophage colony stimulating factor); mediates all of the biological effects of this cytokine 150 − − − + + − − − 5q33.2–33.3 CD115

CD116 GM-CSFRα CD/CKR GM-CSF Primary binding subunit of GM-CSF with low affinity and binds it with high affinity when it is coexpressed with the common beta subunit CDw131 80 − − + − + + + − − − Xp22.32 or Yp11.3 CD116

CD117 c-KIT SCRF CK/CKR SCF, MGF, KL Growth factor receptor, tyrosine kinase 145 − − − − + − − − − − 4q11-q12 CD117

CDw119 iFN-γR, IFNγRa CK/CKR IFNγ Interferon γ binding 80–95 + + + + + + + − + + 6q23-q24 CDw119

CD120a TNFRI, p55 CK/CKR TNF, TRADD, TRAF, RiP, LTa Programmed cell death anti-viral activity; receptor for TNF 55 + + + + + + + − + + 12p13.2 CD120a

CD120b TNFRII, p75, TNFR p80 CK/CKR TNF, TRADD, TRAF, RiP, LTa Programmed cell death anti-viral activity; receptor for TNF 75 + + + + + + − + + 1p36.3-p36.2 CD120b

CD121a IL-1R type 1 CK/CKR II-1α and II-1β IL-1 signaling 75–85/75–85 + + − − − − − − − + 2q12 CD121a

CD121b IL-1R type 2 CK/CKR IL-1β, IL-1Rα, IL-1α Negative regulator of IL-1 60–68/60–68 + + + + − − − + 2q12-q22 CD121b

CD122 IL2Rβ CK/CKR IL-2, IL-15, CD25, CD132 Critical component of IL-2 and IL-15-mediated signaling 70–75/- + + + + − − − − 22g13.1 CD122

CD123 IL-3Rα subunit CK/CKR IL-3 Primary low affinity binding subunit of IL-3 receptor 70 − − + + + + + Xp22.3 or Yp11.3 CD123

CD124 IL-4R CK/CKR IL-4, IL-13 Receptor subunit for IL-4 and IL-13; #expression on B cells is upregulated by LPs, anti-IgM or IL-4; #on T cells is increased by stimulation with ConA or IL-4 140/- ⊕# ⊕# − + + − − − 16p11.2–12.1 CD124

CD125 IL-5Rα CK/CKR IL-5 Low affinity receptor for IL-5; alpha chain of IL-5 receptor; expressed on eosinophils and basophils 60/- − ⊕ − − + − − − 3p26-p24 CD125

CD126 IL-6R CK/CKR IL-6 Required, in association with gp130(CD130), for mediating biological activities of interleukin-6; expressed on hepatocytes and some non-hematopoietic cells 80/80 + ⊕ − + − − − − 1q21 CD126

CD127 IL-7Rα CK/CKR IL-7, CD132, fyn, yn, Jak1 Specific receptor for IL-7; expression downregulated following T cell activation 65 90/- + + + − − − − 5p13 CD127

CD128a II-8RA, CXCR1 CK/CKR IL-8 Critical regulation of IL-8 mediated neutrophil chemotaxis and activation; potential role in angiogenesis 44–59/67–70 + − + − + + + + 2q35 CD128a

CD128b IL-8RB, CXCR2 CK/CKR IL-8 Critical regulators of IL-8 mediated neutrophil chemotaxis and activation; potential role in angiogenesis 44–59/67–70 + − + − + + + + 2q35 CD128b

CD130 gp130 CK/CKR Oncostatin M Required for transducing biological activities of IL-6, IL-11, LIP, ciliary neutropholic factor, oncostatin M, and cardiotrophin-1 130–140/130–140 + + + + + + + 5q11 CD130

CD131 Common beta subunit CK/CKR CD123, CD125, CD116 Key signal transducing molecule of the IL-3, GM-CSF, and IL-5 receptors; expressed on early B cells and early progenitors 120–140/- − − − + + + 22q13.1 CD131

CD132 IL-2Rγ CK/CKR IL-12 Common subunit of IL-2, IL-4, IL-7, IL-9, IL-15 receptors; mutation causes X-linked severe combined immunodeficiency (XSCID) 65 70/- + + + + + + Xq13.1 CD132

CD133 AC133 Stem Cell N/A Used for positive selection of hematopoietic stem and progenitor cells for transplantation studies 120 − − − − + − − − − + + 4p16.2 CD133

CD134 OX40 CK/CKR 0X40 ligand Receptor for 0X40 ligand; co-stimulatory signal transducer of T cell receptor-mediated activation, cell adhesion 48–50/- ⊕ − − 1p36 CD134

CD135 Flt3, FLK2, STK1 CK/CKR FL Receptor tyrosine kinase; co-stimulatory molecule; survival receptor; growth factor receptor for early hematopoietic progenitors 130/155–160 − − − − + + − − − 13q12 CD135

CDw136 MSP-R, RON CK/CKR MSP, HGFI Chemotactic migration, morphological change, cell growth, cytokine induction, phagocytosis, and cell differentiation 180/150, 40 + + 13p21.3 CDw136

CDw137 4-1BB, ILA CK/CKR 4-1BB ligand Receptor for 4-1BB ligand; co-stimulatory molecule 85/39 ⊕ + − + − + 1p36 CDw137

CD138 Syndecan1 B Extracellular matrix receptor; co-receptor for fibroblast growth factor signaling receptors; #expressed on plasma cells -/165150 − +# − − − − − + 2p24.1 CD138

CD139 None B Function unknown 209/228 − + + − + + + + CD139

CD140a PDGF a receptor Endothelial cell PDGF Involved in signal transduction associated with PDGF receptors; expressed on mesenchymal cells 160, 180/- − − − − − + − 4q11-q13 CD140a

CD140b PDGF B receptor Endothelial cell PDGF Involved in signal transduction associated with PDGF receptors; expressed on mesenchymal cells 160, 180/- − − − + + − − + 5q31-q32 CD140b

D141 Thrombomodulin Endothelial cell Thrombin, protein C Critical for activation of protein C and initiation of the protein C anticoagulant pathway; co-factor in the thrombin-mediated activation of protein C 75/105 − − − + + + + + 20p12-cen CD141

CD142 Tissue factor Endothelial cell Factor VIlla, factor Xa/TFPI Initiator of the blood clotting cascade; cell surface receptor/cofactor for factor VII; can be induced by inflammatory mediators 45–47/45–47 − − − − − − + + 1p22-p21 CD142

CD143 ACE Endothelial cell ANG-1, bradykinin Angiotensin-converting enzyme, peptidyl dipeptidase, is necessary for spermatozoa to bind to eggs 90, 170/90, 170 + − − − − − − + + 17q2 CD143

CD144 VE-cadherin, cadherin-5 Endothelial cell β-catenin, pl20 CAS Controls endothelial permeability, growth, migration, and contact inhibition of cell growth; expressed only on endothelial cells 135/130 − − − − − + − CD 144

CDwl45 None Endothelial cell Highly expressed on endothelial cells; antibodies were originally raised against human urinary bladder carcinoma cells 25, 90, 110 − − − − − + CDwl45

CD146 Muc 18 S-endo Endothelial cell Potential adhesion molecule; expressed by melanoma, smooth muscle, and intermeciate trophoblasts 118/130 ⊕ − − − − − + llq23.3 CD146

CD147 Neurothelin, OX-47 Endothelial cell Potential adhesion molecule; involved in regulation of T cell function 50–60/55–95 | | + + + + + + 10pl3.3 CD147

CD148 HPTPn, p260 DEP-1 Non-lineage HPTP-etc/Dep-1 involved in contact inhibition of cell growth; chromosomal location region frequently detailed in carcinoma 200–260/200–260 + + + + + + llpll.2 CD148

CD150 SLAM-1, IPO-3 Non-lineage Tyrosine phosphatase CD45 An important molecule associated with intracellular adaptor protein SAP. Absence of SAP causes X-linked lymphoproliferative disease 65–85/75–95 + + + − − − − − + lq22-q23 CD150

CD151 PET A-3 Platelet β1 integrins Integrin-associated protein; transmembrane signaling 32/- − − − + − − + + + llpl5.5 CD151

CD152 CTLA-4 T Receptor for CD80/CD86; negative regulator of T cell activation 50/33 ⊕ ⊕ − − − − − 2q33 CD152

CD153 CD30L T CD30 Co-stimulatory signal for peripheral blood T cells 40 + − ⊕ + 9q33 CD153

CD154 CD40L, gp39, TRAP-1, T-BAH T Ligand for CD40 Essential for germinal center formation and antibody class switching; co-stimulatory molecule; regulator of THl generation and function 33 ⊕ − − − − − − Xq26 CD 154

CD155 PVR Myeloid Polio virus receptor Possible interaction with CD44 60–90 − + − 19ql3.2 CD155

CD156a CD156, ADAM8, MS2 Myeloid Myeloid Possible involvement in extravasation of leukocytes -/69 + + 10q26.3 CD156a

CD156b TACE, AD AM 17 Adhesion structure Pro-INFl pro-TGFα, MAD2 Cleavers the transmembrane form of TNF-α to yield the soluble active form 100120 + − + + + − − + 2p25 CD156b

CD157 Mo5, BST-1 Myeloid A sister molecule of CD3S, a type II membrane protein with identical ectoenzyme activity; a distribution complementary to that of CD3S 42–15 + + + + + CD157

CD158a† KIR2DL1, p58.1 NK HLA-Cw4, 2,5,6 Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 58/58 + − 19ql3.4 CD158a†

CD158bl† KIR2DL2, p58.2 NK HLA-3.1, 7, 8 Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 58/58 + + 19ql3.4 CD158bl†

CD158b2† KIR2DL3, p58.3 NK HLA-Cw3, 1, 7, 8 Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 58/58 + + 19ql3.4 CD158b2†

CD158cl† KIR2DS6, KIRX NK Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity + + 19ql3.4 CD158cl†

CD158d† KIR2DL4 NK Function unknown + 19ql3.4 CD158d†

CD158 e1/e2† KIR3DLI/S1, p70 NK HLA-Bw4 Involved in the suppression of NK-mediated cytotoxicity (KIR3DL1); expressed on subsets of NK and cytotoxic cells 70/70 + + 10ql3.4 CD158e1/e2†

CD158f† KIR2DL5 NK Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity + + 10ql3.4 CD158f†

CDl58g† KIR2DS5 NK Associated with KARAP/DAP12; involved in the activation of NK-mediated cytotoxicity + + 10ql3.4 CDl58g†

CD158h† KIR2DS1, p50.1 NK HLA-C Associated with KARAP/DAP12; involved in the activation of NK-mediated cytotoxicity + + 10ql3.4 CD158h†

CD158i† KIR2DS4, p50.3 NK HLA-C Associated with KARAP/DAP12; involved in the activation of NK-mediated cytotoxicity 50/50 + + 19ql3.4 CD158i†

CD158j† KIR2DS2, p50.2 NK HLA-C Associated with KARAP/DAP12; involved in the activation of NK-mediated cytotoxicity + + 10ql3.4 CD158j†

CD158k† KIR3DL2, pl40 NK HLA-A Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 140/70 + + 10ql3.4 CD158k†

CDl58z† KIR3DL7, KIRCl NK Contains ITIM sequences in cytoplasmic tail; involved in the suppression of NK-mediated cytotoxicity 19ql3.4 CD158z†

CD159a NKG2A NK HLA-E CD94/CD159a heterodimer constitutes a potent negative regulator of NK-T and cell activation programs; expressed on subsets of NK and CD8+ (γδ) cells 70/43 + + 12pl2.3-pl3.1 CD159a

CD160 BY55, NK1, NK28 T MHC class I Cross-linking CD160 with certain mAbs triggers co-stimulatory signals in CDS T cells. CD160 is also expressed on all intestinal intraepithelial lymphocytes 80/27 + – + lq42.3 CD 160

CD161 NKR-P1A NK NK cell cytolytic activity; regulation of thymocyte precursor proliferation 80/40 + − − + − − − − − CD161

CD162 PSGL-1 Adhesion structure P-selectin Binds P- and L-selectins; can mediate leukocyte rolling 160–250/110–120 + + + + + − − − CD 162

CD162R PENS NK L-selectin Post-translational modification of the P-selectin glycoprotein ligand-1 (CD162); developmentally regulated marker of both immune and neural cells 240/140 + CD162R

CD163 Ml 30, GHI/61, RM3/1 Myeloid Expressed on tissue macrophages and LPS activated monocytes 110 − − − ⊕ − − − − − CD 163

CD164 MGC-24, MUC-24 Adhesion structure Facilitating the adhesion of human CD34+ cells to stroma and by negatively regulating CD34+CD38−progenitor cell proliferation 160/80 + + + + − − + CD 164

CD165 Ad2, gp37 Adhesion structure Adhesion of thymocytes to thymic epithelial cells; expressed on many T cell acute lymphoblastic leukemia (ALL) 37/42 − + − + − + CD 165

CD166 ALCAM, KG-CAM Adhesion structure Binds CD6 Adhesion receptor 100–105/100–105 ⊕ + ⊕ − + + CD 166

CD167a DDR1 Adhesion structure Collagen Adhesion molecule, DDR1 overexpression in several human cancers suggests a function in tumor progression 52–62 + + + 6p21.3 CD167a

CD168 RHAMM Adhesion structure CD44 Involved in adhesion of early thymocyte progenitors to matrix and its interaction with HA can mediate signals to other cell adhesion molecules 52–125 − − + + + 5q33.2 CD 168

CD169 Sialoadhesion/Siglec-1 Adhesion structure MUC1, CD206 Mediates cell-cell, cell matrix interaction; may facilitate phagocytosis 180/200 + + 20p13 CD169

CD170 Siglec-5 Adhesion structure Terminal sialic acid residues Adhesion molecule; as a pattern or self/non-self recognition receptor and mediates negative signals into the cell 140 + + + 19q13.3 CD170

CD171 N-CAM, L1 Adhesion structure CD56, CD24 Neuronal cell recognition molecule L1 involved in cell adhesion, cell spreading and motility. Also acts as a costimulatory molecule on lymphocytes 200–230 + + + + + Xq28 CD171

CD172 SIRP-1a Adhesion structure CD47 Adhesion molecule; binds to CD47 and may mediate inhibitory signals via the ITIM/SHP-2 65 + + + + 20p13 CD172

CD173 Blood group H type 2 Carbohydrate and lectin Biosynthetic precursor of A and B antigen; carcinoma-associated antigen; may be involved in the homing process of hematopoietic stem cells to the bone marrow − + + + CD173

CD174 Lewis Y Carbohydrate and lectin New hematopoietic progenitor cell marker; may be involved in the homing process of hematopoietic stem cells to the bone marrow − + + CD174

CD175 Tn Carbohydrate and lectin TFRA Tumor-specific antigen expressed on various carcinomas; histo-blood group-related carbohydrate antigen; precursor of the blood groups ABO and TF antigen − − − + + CD175

CD175s Sialyl-Tn (s-Tn) Carbohydrate and lectin TFRA Tumor-specific antigen expressed on various carcinomas; histo-blood group-related carbohydrate antigen; precursor of the blood groups ABO and TF antigen − + − + + + CD175s

CD176 TF antigen Carbohydrate and lectin TFRA Pan-carcinoma antigen tumor antigen marker; may be involved in metastasis of tumor cells 120–198 − + + + + CD176

CD177 NB1, HNA-2a Myeloid NB antigens play a critical role in autoimmune neonatal neutropenia and autoimmune neutropenia; polymorphic; expressed in 89-97% of healthy individuals 49–55/56–64 + CD177

CD178 Fas ligand CKR CD95(Fas) Involved in Fas/Fas ligand interaction, apoptosis, regulates immune responses, #Expressed on immature dendritic cells 27–40/27–40 ⊕ − +# + − + − − + + 1q23 CD178

CD179a VpreB B CD179b, μ heavy chain Surrogate light chain VpreB is one of the components of the pre-B-cell receptor complex. #Expressed in cytoplasm of pro-B cells and on the surface of pre-B cells 16–18/ +# 22q11.22 CD179a

CD179b λ5, 14.1 B CD179a, μ heavy chain λ5 is one of the components of the pre-B-cell receptor complex.#Expressed in cytoplasm of pro-B cells and on the surface of pre-B cells -/22 +# 22q11.23 CD179b

CD180 RP105/Bgp95 B LPS, MD-1 May regulate the LPS signaling in B cells in concert with TLR4; ligation of CD180 induces proliferation of B cells and increases susceptibility to BCR-induced cell death 95–105/95–105 + + + 5q12 CD180

CD183 CXCR3 CK/CKR IP-10, Mig, I-TAC Involved with inflammation-associated effector T-cell chemotaxis 40–41 + + + 8p12-p11.2, Xq13 CD183

CD184 CXCR4 CK/CKR HIV-1 Homing receptor of hematopoietic progenitor cells; co-stimulation of B cells; induces apoptosis; involved with the entry of HIV-1 + + + + + + + − + + 2q21 CD184

CD195 CCR5 CK/CKR HIV-1 Regulates lymphocyte chemotaxis activation and transendothelial migration during inflammation. Neutralizes HIV infection. #Expressed on immature dendritic cells 37.0/40.6 + − +# − + + − − − CD195

CDw197 CCR7, EBI1, BLR2 CK/CKR SLC/6Ckine,ELC/MIP-3b Lymphocytes and dendritic cell homing to lymphoid organs 90 + + + + + + – – 9p13 CDw197

CD200 OX2 Non-lineage OX2R Ig-SF, OX2 shares many biochemical similarities with Thy-1; may regulate myeloid cell activity 40–45 + + − + − − − − + CD200

CD201 EPCR Endothelial cells Protein C Involved in protein C activation 49/25 + 20q11.2 CD201

CD202b TEK/Tie2 Endothelial cells Angiopoietin-1,2, and 4 Involved in vascular development 140 + 9p21 CD202b

CD203c PDNP3, B10,PDIβ,E-NPP3 Myeloid Oligonucleotides Multi-functional ectoenzyme involved in the clearance of extracellular nucleotides.#Expressed on basophils, mast cells, and their precursors 270/130, 150 +# +# 6q22 CD203c

CD204 MSR Myeloid LDL Role in deposition of cholesterol through receptor mediated uptake of LDL; recognition and elimination of pathogenic microorganisms 220 + CD204

CD205 DEC-205 Dendritic cell Unknown Antigen-uptake receptor for mannosylated antigens; present on both CD11c+ blood dendritic cells and in lesser density on surface of T and B cells 198 + + + + + CD205

CD206 MMR Dendritic cell Sialodine sins and CD45 Mediates endocytosis of glycoconjugates with terminal mannose, fucose N-acetylglucosamine or glucose residues 162–175 + + + 10p13 CD206

CD207 Langerin Dendritic cell Found on a subset of cultured blood CD11c+ DC and TGF beta differentiated MoDC. Provides new reagent for characterizing Langerhans histiocytosis. Endocytic receptor with functional lectin domain with mannose specificity + + + 2p13 CD207

CD208 DG-LAMP Dendritic cell Function unknown. Possible participation in peptide loading onto MHC class II + + 3q26.3-q27 CD208

CD209 DC-SIGN Dendritic cell Expressed on MoDC but not on blood DC even after activation; contributes to the initial adhesion interaction between MoDC and naïve T cells, regulation of T cell proliferation 44 − − + 19p13 CDw209

CDw210 CK CK/CKR IL-10 Receptors involved with cell signaling and immune regulation 90 − + − 11q23.3, 21q22.11 CDw210

CD212 CK CK/CKR IL-12 Tyrosine kinase membrane receptor for angiopoietin; involved in cell signaling and immune regulation -/110 ⊕ − + − − 19p13.1 CD212

CD213a CK CK/CKR IL-13 Receptors involved in cell signaling and immune regulation. CD213a1, CD213a2 − − − + − + x13 CD213a

CDw217 CK CK/CKR IL-17 Involved in inflammation, osteogenesis, and granulopoiesis + + + + 2p31 CDw217

CD220 Insulin R Non-lineage Insulin Functions in the clearance of ligands rather than intracellular signaling + + − + + + 19p13.3 CD220

CD221 IGF1 R Non-lineage Insulin Functions in the clearance of ligands rather than intracellular signaling + + + + + + 15q25–26 CD221

CD222 M6P/IGFII-R Non-lineage Plasminogen, M6P and IGFII Plays role in the transport of newly synthesized acid hydrolases to lysomes 250 + + + + + + CD222

CD223 LAG-3 Non-lineage MHC class II Cell activation Gene-3, like CD4, interacts with MHC class II molecules 70 ⊕ − − ⊕ + − − 12p13 CD223

CD224 GGT Non-lineage GSH G-glutamyl transderase; ectoenzyme; maintains intracellular glutathione (GHS) concentrations and consequently a state of oxidative homeostasis within cellular microenvironments 27–68 + + − + + − + CD224

CD225 Leu 13 Non-lineage IFN-γ Interferon-inducible protein may play role in controlling cell-cell interactions 17 + + + + − − + − CD225

CD226 DNAM-1, PTA1 T LFA-1 Adhesion molecule; cytolytic function mediated by CTL and NK cells; platelet and T cell activation antigen 1 65 + + + + + − + − − 18q22.3 CD226

CD227 MUC1 Non-lineage CD54, CD169 Involved in cell surface protection and modulation of adhesion and cell migration 300 ⊕ + + + ⊕ + CD227

CD228 p97, gp95, MT Non-lineage GPI-anchored melanoma-associated protein 97 − − − + − − + CD228

CD229 Ly9 Non-lineage SAP protein In activated T cells, the SAP protein binds to and regulates signal transduction events initiated through the engagement of SLAM, 2B4, CD84, and Ly-9 100 + + + − − − − 1q22 CD229

CD230 Prion Protein (PrP) Non-lineage Isoform PrPsc (pathological) is present in transmissible spongiform encephalitis (TSE) 33–37 + + + + + + CD230

CD231 TALLA-1/A15, TALLA Non-lineage Highly expressed on T cell acute lymphoblastic leukemia; can be potentially useful as an anti-tumor agent 30–45 + CD231

CD232 VESP-R Non-lineage CD108 Receptor for CD108 and semaphorin from virus; A39R (protein of semaphorin family) upregulates ICAM-1 and induces cytokine production 200 + + + + CD232

CD233 Band 3/AE1 RBC Carrier of the Diego blood group system; maintains red cell morphology; Band 3 is essential for terminal erythroid differentiation 95–105 − − − − − − − + − 17q12-q21 CD233

CD234 DARC/Fy-glycoprotein RBC IL-8, MGSA RANTES, MCP-1 Carrier of the Duffy blood group system; binds to a number of chemokines to modulate the intensity of inflammatory reactions 34–43 − − − − + − − − + + + 1q22–23 CD234

CD235a Glycophorin A RBC Major membrane sialoglycoprotein of RBC membrane and carrier of blood group M and N specificites − − − − − − − − + − 4q28-q31 CD235a

CD235ab Glycophorin A and B RBC Glycophorin B is the carrier of blood group S, s, and N specificities (for Glycophorin A see CD235a) − − − − − − − − + − − 4q28-q31 CD235ab

CD236 Glycophorin C and D RBC One of the chored protein of red blood cell skeleton that maintains cell morphology; carrier of Gerbich blood group 30–40 + + 2q14-q21 CD236

CD236R GlycophorinC, GYPC RBC Plays a role in the invasion and intra-erythrocytic development of P. falciparum 40 + 2q14-q21 CD236R

CD238 Kell RBC Endothelin-3 Kell is classified as a member of the small neprilysin (M13) family of zinc metalloproteases, which include CD10. Kell antibodies inhibit erythropoeisis 93 + 7q33 CD238

CD239 Lu/B-CAM RBC Laminin Carrier of the Lutheran blood group; receptor for laminin; plays role in terminal erythroid differentation; facilitates trafficking of more mature RBC 78–85 + + + 19q13.2 CD239

CD240 RBC CD240 includes CD240CE (RhCE), CD240D (RhD), and CD240DCE (RhD/RhCE). Rh system is one of the most polymorphic in the blood group system comprising 45 different antigens; Rh antigen may promote export of ammonium 30 + 1p34.3-p36.1 CD240

CD241 RhAG/Rh50 RBC Promotes export of ammonium that accumulates within erythrocytes; promotes erythrocyte-mediated retention of ammonium from the plasma and its release to detoxifying organs 50 − − − − − − − − + 6p11-p21.1 CD241

CD242 ICAM-4/LW RBC LFA-1, Mac-1, VLA-4 Carrier of LW blood group system; involved in red cell senescence; interaction with VLA-4 may stabilize erythroblastic islands in normal BM 37–43 − − − − + − − − + + 19p13.3 CD242

CD243 MDR-1 Sterm/progenitor cells p-glycoprotein, drug resistance pump 180 − − − + − − − − CD243

CD244 2B4, P38, NAIL NK CD48 Engagement of 2B4 with its ligand, CD48, or with specific antibodies enhances NK cell cytokine production and cytolytic function. #Found only on basophils 70/70 + + + +# 1q22 CD244

CD245 p220/240 T Lymphocyte receptor Signal transduction and co-stimulation of T and NK cells; function is distinct from CD45 or CD148 220–250 + + + + + − CD245

CD246 ALK T Tyrosine kinase R Expressed in T cell lymphoma subtype; suggested role in cellular proliferation, apoptosis and embryonic neural differentiation 200 + 2p23 CD246

CD247 Zeta chain T Essential signal sub-unit of activating receptor on T and NK cells + + 2p23 CD247
Key:
+
Positive
⊕
Positive upon activation
+c
Positive by cytoplasm staining
-
Negative
+#
Refer to ‘Description and function’ column for further details
*
A CD nomenclature of detailing LIR/ILT genes (CD85) as well as KIR genes (CD158) has been proposed based on the previous
†
CD designation of some members of this family and on the position of the genes on chromosomes 19q13.4 from centromeric to telomeric loci
Abbreviations::
MW
Molecular weight is shown as non-reduced/reduces where available
CK/CKR
Cytokine/chemokine receptors