Abstract:
:This paper describes the characteristics of T suppressor inducer (Ts ind) cells which can interact with T suppressor effector (Ts eff) cells and thereby can account for suppression of delayed-type hypersensitivity (DTH) to alloantigens. Adoptive transfer of spleen cells from mice intravenously (i.v.) injected with allogeneic spleen cells one day earlier induced an antigen-specific state of suppression in the recipients. This became apparent when DTH was induced by subcutaneous (s.c.) immunization of the recipients three days after transfer. The induction of suppression after adoptive transfer of spleen cells required Thy-1+, L3T4+, Lyt-1+2- cells. These cells that by themselves did not exert a suppressive effect induced a state of suppression in recipient mice by activation of recipient-type Ts eff cells. Therefore, the former cell type was classified as Ts ind cell. When athymic nude mice were used as recipients, Lyt-2+ precursors of Ts eff cells had to be transferred together with the Ts ind cells to induce a state of suppression in these mice. The Ts ind cells could activate Ts eff cells in MHC- and Igh-incompatible recipients. The results are discussed in relation to previously described immunoregulatory T cell pathways.
journal_name
Immunobiologyjournal_title
Immunobiologyauthors
Molendijk A,van Gurp RJ,Knulst AC,Benner Rdoi
10.1016/s0171-2985(89)80007-5subject
Has Abstractpub_date
1989-03-01 00:00:00pages
56-67issue
1eissn
0171-2985issn
1878-3279pii
S0171-2985(89)80007-5journal_volume
179pub_type
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