T Cell Lineage Commitment: Identity and Renunciation
نویسندگان
چکیده
منابع مشابه
T cell lineage commitment: identity and renunciation.
Precursors undertaking T cell development shed their access to other pathways in a sequential process that begins before entry into the thymus and continues through many cell cycles afterward. This process involves three levels of regulatory change, in which the cells' intrinsic transcriptional regulatory factors, expression of signaling receptors (e.g., Notch1), and expression of distinct homi...
متن کاملT cell lineage commitment: identity and renunciation1
Precursors undertaking T-cell development shed their access to other pathways in a sequential process that begins before entry into the thymus and continues through many cell cycles afterwards. This process involves three levels of regulatory change, in which the cells’ intrinsic transcriptional regulatory factors, expression of signaling receptors like Notch1, and expression of distinct homing...
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Precursor cell entry into the T-cell developmental pathway can be divided into two phases by the closure of T-lineage commitment. As cells decide against the last alternative options to the T-cell fate, they turn on the transcription factor Bcl11b and silence expression of a group of multipotent progenitor regulatory factors that include hematopoietic transcription factor PU.1. Functional pertu...
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Years of controversy about the lineage relationship between alpha beta and gamma delta T cells may at last have been resolved: it now appears that most T cells derive from an identical T-lineage committed precursor.
متن کاملT-cell lineage commitment and cytokine responses of thymic progenitors.
The earliest steps of intrathymic differentiation recently have been elucidated. It has been reported that both CD4lo (CD44+ CD25- c-kit+ CD3- CD4lo CD8-) and pro-T cells (CD44+ CD25+ c-kit+ CD3- CD4- CD8-, representing the next step in maturation) exhibit germline T-cell receptor beta and gamma loci, suggesting that neither population is exclusively committed to the T-cell lineage. Several gro...
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ژورنال
عنوان ژورنال: The Journal of Immunology
سال: 2011
ISSN: 0022-1767,1550-6606
DOI: 10.4049/jimmunol.1003703