In:
Science Immunology, American Association for the Advancement of Science (AAAS), Vol. 6, No. 63 ( 2021-09-24)
Abstract:
Human adenoviruses (HAdVs) are a major cause for disease in children, in particular after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Currently, effective therapies for HAdV infections in immunocompromised hosts are lacking. To decipher immune recognition of HAdV infection and determine new targets for immune-mediated control, we used an HAdV infection 3D organoid system, based on primary human intestinal epithelial cells. HLA-F, the functional ligand for the activating NK cell receptor KIR3DS1, was strongly up-regulated and enabled enhanced killing of HAdV5-infected cells in organoids by KIR3DS1 + NK cells. In contrast, HLA-A and HLA-B were significantly down-regulated in HAdV5-infected organoids in response to adenoviral E3/glycoprotein19K, consistent with evasion from CD8 + T cells. Immunogenetic analyses in a pediatric allo-HSCT cohort showed a reduced risk to develop severe HAdV disease and faster clearance of HAdV viremia in children receiving KIR3DS1 + / HLA-Bw4 + donor cells compared with children receiving non– KIR3DS1 + / HLA-Bw4 + cells. These findings identify the KIR3DS1/HLA-F axis as a new target for immunotherapeutic strategies against severe HAdV disease.
Type of Medium:
Online Resource
ISSN:
2470-9468
DOI:
10.1126/sciimmunol.abe2942
Language:
English
Publisher:
American Association for the Advancement of Science (AAAS)
Publication Date:
2021
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