PD-1 modulates regulatory T-cell homeostasis during low-dose interleukin-2 therapy

Author:

Asano Takeru1,Meguri Yusuke1,Yoshioka Takanori1,Kishi Yuriko1,Iwamoto Miki1,Nakamura Makoto1,Sando Yasuhisa1,Yagita Hideo2,Koreth John3,Kim Haesook T.4ORCID,Alyea Edwin P.3,Armand Philippe3,Cutler Corey S.3,Ho Vincent T.3,Antin Joseph H.3,Soiffer Robert J.3,Maeda Yoshinobu1,Tanimoto Mitsune1,Ritz Jerome3,Matsuoka Ken-ichi13

Affiliation:

1. Department of Hematology and Oncology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;

2. Department of Immunology, Juntendo University Graduate School of Medicine, Tokyo, Japan;

3. Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA; and

4. Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Harvard School of Public Health, Boston, MA

Abstract

Key Points IL-2 induces expression of PD-1 on Tregs, and PD-1 blockade promotes Treg differentiation and apoptosis. PD-1 regulates IL-2–induced Treg proliferation and prolongs Treg survival in murine models and in patients receiving low-dose IL-2 therapy.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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