Autonomous growth and increased cytotoxicity of natural killer cells expressing membrane-bound interleukin-15

Author:

Imamura Masaru1,Shook David2,Kamiya Takahiro1,Shimasaki Noriko1,Chai Sally M. H.1,Coustan-Smith Elaine1,Imai Chihaya3,Campana Dario1

Affiliation:

1. Department of Pediatrics, National University of Singapore, Singapore;

2. Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN; and

3. Department of Pediatrics, Niigata University, Niigata, Japan

Abstract

Key PointsExpression of IL-15 in a membrane-bound form sustains NK cell survival and expansion in vitro and in vivo without exogenous cytokines. These NK cells have superior cytotoxicity against leukemia, lymphoma, and solid tumor cells, supporting their clinical testing.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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