Journal
IMMUNOLOGICAL REVIEWS
Volume 209, Issue -, Pages 159-169Publisher
WILEY
DOI: 10.1111/j.0105-2896.2006.00343.x
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Funding
- NCI NIH HHS [R01 CA105129] Funding Source: Medline
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Pre-T-cell receptor (pre-TCR) functions and the study of early thymocyte development continue to fascinate immunologists more than 10 years after the first description and cloning of the receptor. Although multiple reports have addressed several aspects of pre-TCR signaling and function, its ability to regulate diverse functions, including proliferation, survival, and allelic exclusion of the TCR-beta locus, remains an open question. What fascinates us is its central role in the fine balance between physiological differentiation and thymocyte transformation that leads to T-cell leukemia and lymphomas. In this review, we integrate pre-TCR signaling pathways and study their effects on the regulation of T-cell progenitor cell-cycle entry and cell survival. We also connect aberrant pre-TCR signaling to deregulated proliferation and apoptotic balances and thymocyte transformation.
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