Durable and controlled depletion of neutrophils in mice.

Abstract:

:Neutrophils are an essential part of the innate immune system. To study their importance, experimental studies often aim to deplete these cells, generally by injecting anti-Ly6G or anti-Gr1 antibodies. However, these approaches are only partially effective, transient or lack specificity. Here we report that neutrophils remaining after anti-Ly6G treatment are newly derived from the bone marrow, instead of depletion escapees. Mechanistically, newly generated, circulating neutrophils have lower Ly6G membrane expression, and consequently reduced targets for anti-Ly6G-mediated depletion. To overcome this limitation, we develop a double antibody-based depletion strategy that enhances neutrophil elimination by anti-Ly6G treatment. This approach achieves specific, durable and controlled reduction of neutrophils in vivo, and may be suitable for studying neutrophil function in experimental models.

journal_name

Nat Commun

journal_title

Nature communications

authors

Boivin G,Faget J,Ancey PB,Gkasti A,Mussard J,Engblom C,Pfirschke C,Contat C,Pascual J,Vazquez J,Bendriss-Vermare N,Caux C,Vozenin MC,Pittet MJ,Gunzer M,Meylan E

doi

10.1038/s41467-020-16596-9

subject

Has Abstract

pub_date

2020-06-02 00:00:00

pages

2762

issue

1

issn

2041-1723

pii

10.1038/s41467-020-16596-9

journal_volume

11

pub_type

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