<td>&nbsp;80</td> <td>&nbsp;IL-1R, IL-1R type 1, type 1 IL-1R&nbsp;</td> <td>&nbsp;Thymocytes, T cells&nbsp;</td> <td>&nbsp;Type&nbsp;Ⅰ interleukin-1 receptor&nbsp;</td>

<td bgcolor="#cccccc">&nbsp;60-70</td> <td bgcolor="#cccccc">&nbsp;Il-1R type2, type2 IL-1R&nbsp;</td> <td bgcolor="#cccccc">&nbsp;B cells, macrophages, monocytes&nbsp;&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Type&nbsp;Ⅰ interleukin-1 receptor&nbsp;</td>

<td>&nbsp;70-75</td> <td>&nbsp;Interleukin-2 receptor &beta; chain (IL-2R&beta;)</td> <td>&nbsp;T cells, B cells, NK cells, monocytes/macrophages&nbsp;</td> <td>&nbsp;Critical component of IL-2-and IL-15-mediated signaling</td>

<td bgcolor="#cccccc">&nbsp;70</td> <td bgcolor="#cccccc">&nbsp;IL-3 receptor &alpha; subunit (IL-3R&alpha;)&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Bone-marrow stem cells, granulocytes, monocytes, megakaryocytes&nbsp;</td> <td bgcolor="#cccccc">&nbsp;IL-3 receptor chain&nbsp;</td>

<td>&nbsp;140</td> <td>&nbsp;IL-4R&nbsp;</td> <td>&nbsp;Hematopoeitiv and non-hematopoeitic cells&nbsp;</td> <td>&nbsp;Receptor subunit of IL-4 and IL-113&nbsp;</td>

<td bgcolor="#cccccc">&nbsp;60</td> <td bgcolor="#cccccc">&nbsp;IL-5R&alpha;&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Eosinophils, activated B cells, basophils&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Low-affinity receptor for IL-5; &alpha; chain of IL-5 receptor&nbsp;</td>

<td>&nbsp;80</td> <td>&nbsp;Interleukin-6 receptor (IL-6R); associates with CD130&nbsp;</td> <td>&nbsp;T cells,&nbsp;monocytes, activated&nbsp;B cells, hepatocytes and some other non-hematopoeitic cells&nbsp;</td> <td>&nbsp;Receptor for IL-6&nbsp;</td>

<td bgcolor="#cccccc">&nbsp;65-75, 90</td> <td bgcolor="#cccccc">&nbsp;IL-7 receptor(IL-7R), IL-7 receptor &alpha;&nbsp;(IL-7R&alpha;)&nbsp;p90 I17R&nbsp;</td> <td bgcolor="#cccccc">&nbsp;B-cell precursors, T cells&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Specific receptor for interleukin 7&nbsp;</td>

<td>&nbsp;58-67</td> <td>&nbsp;CXCR1, interleukin-8 receptor A (IL-8RA)&nbsp;</td> <td>&nbsp;Not known&nbsp;</td> <td>&nbsp;Chemokine receptor</td>

<td bgcolor="#cccccc">&nbsp;58-67</td> <td bgcolor="#cccccc">&nbsp;CXCR2, interleukin-8 receptor&nbsp;B (IL-8RB)&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Not known&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Chemokine receptor</td>

<td>&nbsp;~130-140</td> <td>&nbsp;gp130&nbsp;</td> <td>&nbsp;Low level on almost all cell types</td> <td>&nbsp;Receptor subunit required for signal transduction when interleukin 6, interleukin11, leukemia inhibitory factor, ciliary neutrophic factor, oncostatin M, and cardiotrophin-1 bind to their receptors&nbsp;</td>

<td bgcolor="#cccccc">&nbsp;120-140</td> <td bgcolor="#cccccc">&nbsp;Common beta subunit&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Most myeloid cells including early progenitors, early B cells&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Receptor subunit required for signal transduction by IL-3, GM-CSF, and IL-5 receptors</td>

<td bgcolor="#cccccc"><strong>&nbsp;CD132</strong></td> <td bgcolor="#cccccc">&nbsp;64, 65-70</td> <td bgcolor="#cccccc">&nbsp;Common cytokine receptor &gamma; chain, common&nbsp;&gamma; chain</td> <td bgcolor="#cccccc">&nbsp;T cells, B cells, NK cells, monocytes/macrophages, neutrophils&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Subunit of IL-2, IL-4, IL-7, IL-9, and IL-15 receptors</td>

<td bgcolor="#cccccc">&nbsp;50</td> <td bgcolor="#cccccc">&nbsp;OX40&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Activated T cellls&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Possible adhesion molecule co-stimulator&nbsp;</td>

<td bgcolor="#cccccc"><strong>&nbsp;CD135</strong></td> <td bgcolor="#cccccc">&nbsp;130</td> <td bgcolor="#cccccc">&nbsp;FMS-like tyrosine kinase 3(flt3), Flk-2 in mice, STK-1&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Multipotential, myelomonocytic, and primitive B-cell progenitors&nbsp;</td> <td bgcolor="#cccccc">&nbsp;Growth factor receptor for early hematopoeitic progenitors&nbsp;</td>