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. 1986 May;52(2):401–407. doi: 10.1128/iai.52.2.401-407.1986

Isolation and characterization of protective T cells induced by Listeria monocytogenes.

M Chen-Woan, D D McGregor, S K Noonan
PMCID: PMC261013  PMID: 3084382

Abstract

Rats convalescing from a recent infection with Listeria monocytogenes generate T cells which can protect recipient rats against a challenge infection with that organism. Using monoclonal antibodies that react with some but not all rat peripheral T cells, the T-cell mediators of acquired resistance to infection (TCRI) were isolated by panning and characterized by using a fluorescence-activated cell sorter. Many L. monocytogenes-immune TCRI were relatively large cells as judged by their light-scattering properties. That finding accords with previously reported cytokinetic data and velocity sedimentation analyses which revealed that the majority of L. monocytogenes-immune TCRI are lymphoblasts. In the current investigation, the surface antigenic profile of these mediator T cells was revealed as W3/25+ OX8+ OX4+ RT6.1-. That phenotype is identical to that of L. monocytogenes-induced prekiller cells which are formed as part of the animal's cell-mediated response to infection. Like prekiller cells and their differentiated counterparts, L. monocytogenes-immune TCRI adhere preferentially to monolayers of syngeneic fibroblasts. The results indicate that L. monocytogenes-immune TCRI belong to a minor subset of peripheral T cells which also contains T cells that have the cytotoxic potential by which L. monocytogenes-induced prekiller cells have been defined.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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