CD47 signals T cell death.

@article{Pettersen1999CD47ST,
  title={CD47 signals T cell death.},
  author={Rolf Dagfinn Pettersen and Kjetil Hestdal and Mette Kl\ovstad Olafsen and Sverre Olaf Lie and Frederik P. Lindberg},
  journal={Journal of immunology},
  year={1999},
  volume={162 12},
  pages={7031-40}
}
Activation-induced death of T cells regulates immune responses and is considered to involve apoptosis induced by ligation of Fas and TNF receptors. The role of other receptors in signaling T cell death is less clear. In this study we demonstrate that activation of specific epitopes on the Ig variable domain of CD47 rapidly induces apoptosis of T cells. A new mAb, Ad22, to this site induces apoptosis of Jurkat cells and CD3epsilon-stimulated PBMC, as determined by morphological changes… CONTINUE READING
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