CD56bright natural killer (NK) cells: an important NK cell subset

Immunology - Tập 126 Số 4 - Trang 458-465 - 2009
Aurélie Poli1, Tatiana Michel2, Maud Thérésine2, Emmanuel Andrès3, François Hentges2, Jacques Zimmer2
1Laboratoire d'Immunogénétique-Allergologie, Centre de Recherche Public de la Santé, Luxembourg-City, Luxembourg.
2Laboratoire d’Immunogénétique‐Allergologie, Centre de Recherche Public de la Santé (CRP‐Santé), Luxembourg‐City, Luxembourg
3Service de Médecine Interne, Clinique Médicale B, Hôpitaux Universitaires de Strasbourg, Strasbourg, France

Tóm tắt

SummaryHuman natural killer (NK) cells can be subdivided into different populations based on the relative expression of the surface markers CD16 and CD56. The two major subsets are CD56bright CD16dim/− and CD56dim CD16+, respectively. In this review, we will focus on the CD56bright NK cell subset. These cells are numerically in the minority in peripheral blood but constitute the majority of NK cells in secondary lymphoid tissues. They are abundant cytokine producers but are only weakly cytotoxic before activation. Recent data suggest that under certain conditions, they have immunoregulatory properties, and that they are probably immediate precursors of CD56dim NK cells. CD56bright NK cell percentages are expanded or reduced in a certain number of diseases, but the significance of these variations is not yet clear.

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Thông tin xuất bản

Immunology

Tập 126 Số 4

458-465

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