Differential Integrin Adhesome Expression Defines Human NK Cell Residency and Developmental Stage.

Differential Integrin Adhesome Expression Defines Human NK Cell Residency and Developmental Stage.
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DOI:
10.4049/jimmunol.2100162
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发表时间:
2021-08-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Mace EM
Mace EM
中科院分区:
其他
文献类型:
--
作者:
Hegewisch-Solloa E;Seo S;Mundy-Bosse BL;Mishra A;Waldman EH;Maurrasse S;Grunstein E;Connors TJ;Freud AG;Mace EM

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Natural killer (NK) cells are innate immune cells that reside within tissue and circulate in peripheral blood. They interact with a variety of microenvironments, yet how NK cells engage with these varied microenvironments is not well-documented. The adhesome represents a molecular network of defined and predicted integrin-mediated signaling interactions. Here, we define the integrin adhesome expression profile of NK cells from human tonsil, peripheral blood and those derived from human hematopoietic precursors through stromal cell co-culture systems. We report that the site of cell isolation and NK cell developmental stage dictate differences in expression of adhesome associated genes and proteins. Furthermore, we define differences in cortical actin content associated with differential expression of actin regulating proteins, suggesting that differences in adhesome expression are associated with differences in cortical actin homeostasis. These data provide new understanding into the diversity of human NK cell populations and how they engage with their microenvironment.
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