Abstract:
:OVA-specific T cells were immortalized by infection with radiation leukemia virus (RadLV). Some clones derived from such population were shown to exhibit helper activity. We then tested clones without such function and found among them some that secreted macrophage migration inhibition factor (MIF) and leukocyte migration inhibition factor (LIF) upon exposure to the antigen in vitro. The lymphokine-producing clones, which were Thy-1+, Ly-1+ and Ly-2-, did not secrete MIF and LIF constitutively. Like other antigen-specific T cells, the immortalized clones could not be stimulated by free soluble antigen but required macrophages for presentation and for triggering the lymphokine production. The antigen-activated clones exclusively produced MIF and LIF, but not interleukin 2 or colony-stimulating factor. They neither provided helper activity nor induced delayed-type hypersensitivity. The data suggest that the T-cell clones carry the antigen receptors and that their antigen-inducible biological function is restricted to the migration inhibitory factor production.
journal_name
Cell Immunoljournal_title
Cellular immunologyauthors
Szigeti R,Kagan-Haion K,Klein E,Ben-Sasson SZdoi
10.1016/0008-8749(86)90328-xsubject
Has Abstractpub_date
1986-10-01 00:00:00pages
89-98issue
1eissn
0008-8749issn
1090-2163pii
0008-8749(86)90328-Xjournal_volume
102pub_type
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