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<td><strong> CD65</strong></td>
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<td> Ceramide-dodecasaccharide, VIM-2; glycolipid </td> <td> Myeloid cells </td> <td> Not known </td>
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<td bgcolor="#cccccc"><strong> CD65s</strong></td>
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<td bgcolor="#cccccc"> Sialylated-CD65, VIM-2; carbohydrate </td> <td bgcolor="#cccccc"> Granulocytes, monocytes</td> <td bgcolor="#cccccc"> Possible involvement with phagocytosis and Ca 2+ influx </td>
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<td><strong> CD66a</strong></td>
<td> 160-180</td> <td> NCA-160, biliary glycoprotein (BGP) </td> <td> Granulocytes, epithelial cells</td> <td> Adhesion molecule; receptor for <em>Neisseria gonorrheae</em> and <em>N. meningitidis</em>; trigger of neutrophil activation </td>
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<td bgcolor="#cccccc"><strong> CD66b</strong></td>
<td bgcolor="#cccccc"> 95-100</td> <td bgcolor="#cccccc"> CD67, CGM6, NCA-95 </td> <td bgcolor="#cccccc"> Granulocytes</td> <td bgcolor="#cccccc"> Adhesion molecule; trigger of neutrophil activation </td>
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<td><strong> CD66c</strong></td>
<td> 90</td> <td> NCA, NCA-50/90 </td> <td> Granulocytes, epithelial cells </td> <td> Adhesion molecule; trigger of neutrophil activation </td>
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<td bgcolor="#cccccc"><strong> CD66d</strong></td>
<td bgcolor="#cccccc"> 30</td> <td bgcolor="#cccccc"> CGM1 </td> <td bgcolor="#cccccc"> Granulocytes</td> <td bgcolor="#cccccc"> Unclear; receptor for <em>Neisseria gonorrheae and N. meningitidis</em></td>
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<td><strong> CD66e</strong></td>
<td> 180-200</td> <td> Carcinoembryonic antigen (CEA) </td> <td> Epithelial cells</td> <td> Unclear; possible adhesion molecule </td>
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<td bgcolor="#cccccc"><strong> CD66f</strong></td>
<td bgcolor="#cccccc"> 54-72</td> <td bgcolor="#cccccc"> Pregnancy-specific b1 glycoprotein, SP-1, pregnancy-specific glycoprotein (PSG) </td> <td bgcolor="#cccccc"> Fetal liver; produced in placenta and released </td> <td bgcolor="#cccccc"> Unclear; possible involvement in immune regulation and protection of fetus from maternal immune system; necessary for successful pregnancy </td>
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<td><strong> CD68</strong></td>
<td> 110</td> <td> gp110, macrosialin </td> <td> Monocytes, macrophages, dendritic cells, neutrophils, basophils, mast cells, myeloid progenitor cells, subset of CD34+ hematopoeitic progenitor cells, activated T cells, some peropheral-blood B cells </td> <td> Not known </td>
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<td bgcolor="#cccccc"><strong> CD69</strong></td>
<td bgcolor="#cccccc"> 60</td> <td bgcolor="#cccccc"> Activation-inducer molecule (AIM), EA1, MLR3, gp34/28, very early activation (VEA) </td> <td bgcolor="#cccccc"> Activated leukocytes, inducing T cells, thymocytes, B cells, NK cells, neutrophils, eosinophils, and Langerhans cells; subset of mature thymocytes, germinal-center mantle B cells, some CD4+ germinal-center T cells </td> <td bgcolor="#cccccc"> Involvement in early events of lymphocyte, monocyte, and platelet activation: promotes Ca2+ influx, synthesis of cytokines and their receptors, induction of c-myc and c-fos proto-oncogene expression; role in promoting lysis mediated by activated NK cells </td>
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<td><strong> CD70</strong></td>
<td> 75, 95, 170 </td> <td> CD27-ligand, Ki24 antigen </td> <td> Activated T and B cells and macrophages </td> <td> Ligand for CD27; possible role in co-stimulation of B and T cells </td>
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