IL-15 administration following syngeneic bone marrow transplantation prolongs survival of lymphoma bearing mice

Emmanuel Katsanis, Zhiyi Xu, Angela Panoskaltsis-Mortari, Daniel J. Weisdorf, Michael B. Widmer, Bruce R. Blazar

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

The toxicity and antitumor efficacy of simian IL-15 was compared with human IL-2 in the context of syngeneic BMT. Groups of mice receiving or not receiving anti-CD3 activated splenocytes, termed 'T-activated killer' (T-AK) cells, were treated between days 7 and 12 with escalating doses of IL-2 or IL-15 given twice daily. Recipients of IL-2+T-AK or IL-15+T-AK had significantly higher survival rates than saline+T-AK. Tissues from IL-2+T- AK, but not IL-15+T-AK, treated mice revealed the presence of perivascular infiltrates in the lung and liver consisting of CD8+ T cells and Mac-11 cells. Our findings demonstrate that IL-15 can be used effectively to stimulate antitumor responses post-BMT and may be associated with less toxicity than IL-2.

Original languageEnglish (US)
Pages (from-to)872-875
Number of pages4
JournalTransplantation
Volume62
Issue number6
DOIs
StatePublished - Sep 27 1996
Externally publishedYes

ASJC Scopus subject areas

  • Transplantation

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