学術雑誌論文 Expression of DNAM-1 (CD226) on inflammatory monocytes

Anh Van Vo  ,  Takenaka, Eri  ,  Shibuya, Akira  ,  Shibuya, Kazuko

69pp.70 - 76 , 2016-01 , Elsevier
ISSN:0161-5890
NII書誌ID(NCID):AA00307483
内容記述
DNAM-1 is an activating receptor expressed on NK cells and T cells and plays an important role in cytotoxicity of these cells against target cells. Although the role of DNAM-1 in the function of T cells and NK cells has been well studied, the expression and function of DNAM-1 on myeloid cells have been incompletely understood. In this study, we investigated expression of DNAM-1 on monocyte subsets in mouse peripheral blood and found that only inflammatory monocytes (iMos), but not patrolling monocytes (pMos), expressed high levels of DNAM-1. In addition, we found that DNAM-1 was highly expressed on iMos, rather than pMos, also in human. Furthermore, we found that DNAM-1 on inflammatory monocytes was involved in cell adhesion to CD155-expressing cells. Therefore, we propose that expression of DNAM-1 on inflammatory monocytes are evolutionally conserved and act as an adhesion molecule on blood inflammatory monocytes.
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