PMID: 37274Aug 1, 1979

Nature of the stimulus leading to lymphocyte-induced angiogenesis

The Journal of Immunology : Official Journal of the American Association of Immunologists
R Auerbach, Y A Sidky


Experiments are described that characterize the nature of the stimulus leading to lymphocyte-induced angiogenesis (LIA), a reaction previously shown to reflect a local in vivo graft-vs-host reaction. The studies demonstrate that circulating cells of the host animal provide the stimulation essential for activation of donor lymphocytes and that the major allogeneic stimulus in congenic lines of mice is correlated with I-region disparity, primarily associated with IA-controlled determinants. The results are readily compatible with the hypothesis that is proposed that LIA is in large part of the consequence of the release of soluble mediators or lymphokines that may act either directly on endothelial cells or indirectly by activating macrophages, which in turn generate the vascular reaction.

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