Journal
JOURNAL OF CELLULAR PHYSIOLOGY
Volume 229, Issue 2, Pages 172-180Publisher
WILEY
DOI: 10.1002/jcp.24430
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- CONACYT
- DGAPA/UNAM
- PROMEP, Mexico
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T cells are increasingly used for passive immunotherapy and bone marrow transplantation. Proper ex-vivo management of the cells is important for the desired therapeutic effects. For differentiation into effector cells of the Th1 and Th2 phenotypes, T-cells require signals from IFN and IL-4, respectively. Naive cells have an extremely low expression of the specific receptors that recognize these cytokines, indicating that in order to differentiate, cells need to perceive other signals that will enable them to sense the cytokine milieu. CD43 has been proposed as one of the molecules that make the initial contacts with antigen presenting cells. We report here that in cord blood, adult naive and total human T cells, CD43 signals induced the expression of both IFN and IL-4 receptors, mediate their capping, increased their signaling and augmented differentiation mediated by these receptors. CD43 signals also stimulated the expression of IFN and in neonatal cells that of IL-4 as well. These data demonstrate an important role for CD43 signals in T-cell preparedness for differentiation into effector cells. J. Cell. Physiol. 229: 172-180, 2014. (c) 2013 Wiley Periodicals, Inc.
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