Article
Dendritic cell sphingosine-1-phosphate lyase regulates thymic egress.
The Journal of experimental medicine - 14 Nov 2016
Zamora-Pineda Jesus, Kumar Ashok, Suh Jung H, Zhang Meng, Saba Julie D
Abstract excerpt
T cell egress from the thymus is essential for adaptive immunity and involves chemotaxis along a sphingosine-1-phosphate (S1P) gradient. Pericytes at the corticomedullary junction produce the S1P egress signal, whereas thymic parenchymal S1P levels are kept low through S1P lyase (SPL)-mediated metabolism. Although SPL is robustly expressed in thymic epithelial cells (TECs), in this study, we show that deleting...
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