Stimulator T-cells and the regulation of growth factors produced in the murine mixed leukocyte reaction.

Abstract:

:Previous work had implicated T cells within the stimulating population as having a significant role in the MLR. We now report that depletion of T cells from the stimulators caused a reduction in proliferative response in mixed leukocyte reaction (MLR) by 50% or more. This response could be restored by adding T-enriched cells from the stimulators but not from the responders. During MLR, the T-cells in the stimulating population demonstrated changes characteristic of early activation, namely, increase in RNA synthesis. Stimulator T-cells have been shown to regulate the interleukin 2 (IL 2) production in mixed leukocyte culture (MLC). Depletion of T cells from the stimulators reduced the level of IL 2 in the culture. Addition of IL 2 to the cultures containing T-depleted stimulators reconstituted the proliferative response. Our data suggest that there may be alternative ways of producing IL 2-like growth factors. Depletion of T cells from the stimulators allows the detection of a growth factor which differs from IL 2 in its mode of production. We conclude that optimal proliferation in the MLR requires that the stimulating population contain T cells which regulate the growth factors in the culture.

journal_name

Immunol Invest

authors

Roy C,Brown DL,Kaplan JG

doi

10.3109/08820138609042020

subject

Has Abstract

pub_date

1986-03-01 00:00:00

pages

73-86

issue

1

eissn

0882-0139

issn

1532-4311

journal_volume

15

pub_type

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