The chemokine system in innate immunity

CL Sokol, AD Luster - Cold Spring Harbor perspectives …, 2015 - cshperspectives.cshlp.org
CL Sokol, AD Luster
Cold Spring Harbor perspectives in biology, 2015cshperspectives.cshlp.org
Chemokines are chemotactic cytokines that control the migration and positioning of immune
cells in tissues and are critical for the function of the innate immune system. Chemokines
control the release of innate immune cells from the bone marrow during homeostasis as well
as in response to infection and inflammation. They also recruit innate immune effectors out
of the circulation and into the tissue where, in collaboration with other chemoattractants, they
guide these cells to the very sites of tissue injury. Chemokine function is also critical for the …
Chemokines are chemotactic cytokines that control the migration and positioning of immune cells in tissues and are critical for the function of the innate immune system. Chemokines control the release of innate immune cells from the bone marrow during homeostasis as well as in response to infection and inflammation. They also recruit innate immune effectors out of the circulation and into the tissue where, in collaboration with other chemoattractants, they guide these cells to the very sites of tissue injury. Chemokine function is also critical for the positioning of innate immune sentinels in peripheral tissue and then, following innate immune activation, guiding these activated cells to the draining lymph node to initiate and imprint an adaptive immune response. In this review, we will highlight recent advances in understanding how chemokine function regulates the movement and positioning of innate immune cells at homeostasis and in response to acute inflammation, and then we will review how chemokine-mediated innate immune cell trafficking plays an essential role in linking the innate and adaptive immune responses.
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