REVIEW published: 18 February 2021 doi: 10.3389/fimmu.2020.619925 b2 Integrin Signaling Cascade in Neutrophils: More Than a Single Function † † Panagiota Bouti 1* , Steven D. S. Webbers 1,2* , Susanna C. Fagerholm 3, Ronen Alon 4, Markus Moser 5, Hanke L. Matlung 1 and Taco W. Kuijpers 1,2 1 Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam University Medical Center, Edited by: University of Amsterdam, Amsterdam, Netherlands, 2 Department of Pediatric Immunology, Rheumatology and Infectious Vicky L. Morrison, Disease, Amsterdam University Medical Center (AUMC), Emma Children’s Hospital, University of Amsterdam, Amsterdam, University of Glasgow, Netherlands, 3 Research Program of Molecular and Integrative Biosciences, Faculty of Biological and Environmental United Kingdom Sciences, University of Helsinki, Helsinki, Finland, 4 Department of Immunology, The Weizmann Institute of Science, Rehovot, Reviewed by: Israel, 5 Institute of Experimental Hematology, School of Medicine, Technical University of Munich, Munich, Germany Vineet Gupta, Rush University Medical Center, United States Neutrophils are the most prevalent leukocytes in the human body. They have a pivotal role Keehoon Jung, in the innate immune response against invading bacterial and fungal pathogens, while Seoul National University, South Korea recent emerging evidence also demonstrates their role in cancer progression and anti- *Correspondence: Panagiota Bouti tumor responses. The efficient execution of many neutrophil effector responses requires
[email protected] the presence of b2 integrins, in particular CD11a/CD18 or CD11b/CD18 heterodimers. Steven D. S. Webbers
[email protected] Although extensively studied at the molecular level, the exact signaling cascades †These authors have contributed downstream of b2 integrins still remain to be fully elucidated.