Group 3 innate lymphoid cells regulate neutrophil migration and function in human decidua

D. Croxatto, A. Micheletti, Elisa Montaldo, P. Orecchia, F. Loiacono, F. Canegallo, F. Calzetti, E. Fulcheri, E. Munari, A. Zamò, P. L. Venturini, L. Moretta, M. A. Cassatella, M. C. Mingari, P. Vacca

Research output: Contribution to journalArticlepeer-review

Abstract

Innate lymphoid cells (ILCs) have a central role in innate defenses against pathogens, lymphoid organogenesis, and tissue remodeling. They have been detected in human decidua, however, their role in this tissue remains unclear. Successful pregnancy requires an early inflammatory phase favoring implantation and tissue remodeling as well as a subsequent regulatory phase to prevent fetal rejection and supporting neoangiogenesis. Here, we show that, during the first trimester of pregnancy, neutrophils infiltrate decidua basalis and are more abundant in normal pregnancy than in spontaneous miscarriages. Decidual neutrophils localize in proximity of NCR + ILC3, which may influence neutrophil migration and survival given their production of CXCL8 and granulocyte macrophage colony-stimulating factor (GM-CSF). Moreover, NCR + ILC3-derived GM-CSF was found to induce the expression of heparin-binding EGF-like growth factor and IL1ra in neutrophils, two proteins/cytokines involved in tissue remodeling and maintenance of pregnancy. Our data suggest that the simultaneous presence of NCR + ILC3 and neutrophils in decidual tissues and their possible cross talk, may have a role in the early phases of pregnancy.

Original languageEnglish
Pages (from-to)1372-1383
Number of pages12
JournalMucosal Immunology
Volume9
Issue number6
DOIs
Publication statusPublished - Nov 1 2016

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Fingerprint Dive into the research topics of 'Group 3 innate lymphoid cells regulate neutrophil migration and function in human decidua'. Together they form a unique fingerprint.

Cite this