Two distinct factors are required for induction of T-cell growth

  title={Two distinct factors are required for induction of T-cell growth},
  author={E L Larsson and Norman N. Iscove and Ant{\'o}nio Coutinho},
The molecular and cellular basis of T-lymphocyte activation remains a central question in immunology. The growth of already proliferating T cells is known to depend on T-cell growth factor (TCGF), a physiological mitogen1. Noncycling T lymphocytes, however, are not sensitive to TCGF2. They require a short contact with mitogenic lectins, such as concanavalin A (Con A)3 or leukoagglutinin4 to bind and respond to TCGF, and will thereafter maintain exponential growth for long periods provided that… CONTINUE READING

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