| pubmed-article:9065021 | pubmed:abstractText | While CD40 is a costimulatory molecule of utmost importance for B-cell proliferation and Ig class switch its role has not been elucidated in the human thymus and in thymic epithelial tumors. To investigate, whether CD40 is functionally active there, we investigated the proliferative response by 3H-Thymidin incorporation of primary normal and neoplastic thymic epithelial cell cultures to CD40 triggering by soluble CD40 ligand (CD40L). | lld:pubmed |
