Lymphatic Endothelial Cells Control Initiation of Lymph Node Organogenesis

Lymph node (LN) formation is thought to rely mainly on interactions between mesenchymal lymphoid tissue organizer cells and lymphoid tissue inducer cells. Onder et al. now show that LN formation is governed by RANK-dependent activation of lymphatic endothelial cells that control retention of lymphoid tissue inducer cells in embryonic LN anlagen.

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