<td>&nbsp;40-52125, 25</td> <td>&nbsp;Bp50&nbspalpha;-6 integrinchain, platelet gpI, VLA-6 &alpha;chain</td> <td>&nbsp;B T cells, T cellsmonocytes, neutrophilsplatelets, granulocytesmegakaryocytes, monocytes&nbsp;&nbsp; trophoblasts</td> <td>&nbsp;Role in signal transduction&nbsp;Integrin that associates with CD29, binds laminin, invasin, merosine</td>

<td bgcolor="#cccccc">&nbsp;48 (monomer)130</td> <td bgcolor="#cccccc">&nbsp;Bp50&nbsp;Intercellular molecule-3, ICAM-3</td> <td bgcolor="#cccccc">&nbsp;B-lineage cells (pro-B through plasma cells), macrophages, follicular dendritic cells, endothelial cells, fibroblasts, keratinocytes, CD34+ hematopoeitic cell progenitors&nbsp;&nbsp;Leukocytes of all lineages</td> <td bgcolor="#cccccc">&nbsp;Roles Co-stimulatory molecule in Bimmune response; regulator of LFA-cell growth, differentiation, 1/ICAM-1 and isotypeintegrin-switching&beta; apoptosis rescue signal for germinal-center B cells; stimulation of cytokine production in macrophages and dendritic cells; up-regulation of dependent adhesion molecules on dendritic cells</td>