Immune evasion via PD-1/PD-L1 on NK cells and monocyte/macrophages is more prominent in Hodgkin lymphoma than DLBCL

Author:

Vari Frank1,Arpon David1,Keane Colm12,Hertzberg Mark S.3,Talaulikar Dipti45,Jain Sanjiv4,Cui Qingyan1,Han Erica1,Tobin Josh12,Bird Robert2,Cross Donna2,Hernandez Annette2,Gould Clare12,Birch Simone6,Gandhi Maher K.12ORCID

Affiliation:

1. University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD, Australia;

2. Department of Haematology, Princess Alexandra Hospital, Brisbane, QLD, Australia;

3. Haematology, Prince of Wales Hospital, Sydney, NSW, Australia;

4. Canberra Hospital, Canberra, ACT, Australia;

5. Australian National University Medical School, Acton, ACT, Australia; and

6. Department of Pathology, Princess Alexandra Hospital, Brisbane, QLD, Australia

Abstract

Key Points Expansion of PD-1+ CD3−CD56hiCD16-ve NK cells and PD-L1+ monocytes/macrophages is more prominent in cHL than DLBCL. PD-1 blockade reverses the immune evasion mediated by the interaction of PD-1+ NK cells and PD-L1+ monocytes/macrophages.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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