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Letter |
Thymic tuft cells promote an IL-4-enriched medulla and shape thymocyte development
A comprehensive analysis of the thymic medulla identifies a tuft-cell-like thymic epithelial cell population that is necessary for shaping thymic function.
- Corey N. Miller
- , Irina Proekt
- & Mark S. Anderson
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Letter |
A thymus candidate in lampreys
Jawless fish were recently shown to possess T- and B-like lymphocytes expressing diverse assembled antigen receptors. This study identifies and characterizes lympho-epithelial thymus-like structures at the tips of gill filaments of lamprey larvae, thus providing evidence that the similarities underlying the adaptive immune systems of both types of vertebrate appear to extend to primary lymphoid organs.
- Baubak Bajoghli
- , Peng Guo
- & Thomas Boehm
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Letter |
Microenvironmental reprogramming of thymic epithelial cells to skin multipotent stem cells
The thymus contains thymic epithelial cells (TECs), which form a complex three-dimensional network organized into cortical and medullary compartments. It is shown here that these cells are plastic. Clonogenic TECs can acquire new properties when exposed to the skin microenvironment; under such conditions, they can permanently adopt the fate of hair follicle multipotent stem cells. Hence, microenvironmental cues can be sufficient to re-direct epithelial cell fate.
- Paola Bonfanti
- , Stéphanie Claudinot
- & Yann Barrandon