Comment on

• T cell sensing of antigen dose governs interactive behavior with dendritic cells and sets a threshold for T cell activation.

  Henrickson SE, Mempel TR, Mazo IB, Liu B, Artyomov MN, Zheng H, Peixoto A, Flynn MP, Senman B, Junt T, Wong HC, Chakraborty AK, von Andrian UH. Henrickson SE, et al. Nat Immunol. 2008 Mar;9(3):282-91. doi: 10.1038/ni1559. Epub 2008 Jan 20. Nat Immunol. 2008. PMID: 18204450 Free PMC article.