Mouse B and T lymphocyte responses to purified timothy pollen antigens in vitro

Fairchild, S.S.; Malley, A.

Journal of Immunology 117(6): 2137-2142

1976


ISSN/ISBN: 0022-1767
PMID: 1086871
Document Number: 105639
Purified populations of splenic B and T lymphocytes from LAF mice immunized with a crude extract of timothy pollen (WST) responded specifically to pollen antigens in an in vitro lymphocyte transformation system. The peak lymphocyte transformation response occurred 5 days after a secondary immunization and was the result of T-B cell cooperation in vitro. Wtih two purified pollen antigens as in vitro stimulants we were able to define at least two antigen-specific population of B cells and one population of T cells. These results were confirmed by inhibition studies with a monovalent hapten from WST, Antigen D.

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