Activated neutrophils exert myeloid-derived suppressor cell activity damaging T cells beyond repair

Author:

Aarts Cathelijn E. M.1,Hiemstra Ida H.1,Béguin Eelke P.2,Hoogendijk Arjan J.2,Bouchmal Souhailla1,van Houdt Michel1,Tool Anton T. J.1,Mul Erik3,Jansen Machiel H.4,Janssen Hans5,van Alphen Floris P. J.3,de Boer Jan-Paul6,Zuur Charlotte L.7,Meijer Alexander B.23,van den Berg Timo K.1,Kuijpers Taco W.18

Affiliation:

1. Department of Blood Cell Research, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, The Netherlands;

2. Department of Molecular and Cellular Hemostasis and

3. Department of Research Facilities, Sanquin Research, Amsterdam, The Netherlands;

4. Department of Experimental Immunology, AUMC, Amsterdam, The Netherlands;

5. Department of Biochemistry,

6. Department of Medical Oncology, and

7. Department of Head and Neck Surgery, Netherlands Cancer Institute, Amsterdam, The Netherlands; and

8. Department of Pediatric Immunology, Rheumatology and Infectious Diseases, Emma Children’s Hospital, AUMC, University of Amsterdam, Amsterdam, The Netherlands

Abstract

Key Points Activated neutrophils can suppress T-cell proliferation in a CD11b-dependent multistep process involving ROS production and degranulation. MDSC activity results in nonapoptotic T-cell damage.

Publisher

American Society of Hematology

Subject

Hematology

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