Intratumoral expression of macrophage-derived chemokine induces CD4+ T cell-independent antitumor immunity in mice

Jay M. Lee, Robert E. Merritt, Ali Mahtabifard, Reiko Yamada, Toshiaki Kikuchi, Ronald Crystal, Robert J. Korst

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Macrophage-derived chemokine is chemotactic for a variety of leukocytes, and has been shown to be involved in TH2-mediated cellular immunity. To evaluate the role of this chemokine in tumor immunity in vivo, an adenovirus vector encoding the human macrophage-derived chemokine cDNA (AdMDC) was administered to established murine tumors. Gene transfer with AdMDC significantly inhibited tumor growth and prolonged animal survival. AdMDC was not directly cytotoxic to tumor cells, but splenocytes from animals that received intratumoral AdMDC were able to lyse syngeneic tumor cells, and purified splenic CD8+ cells secreted interferon-γ in a tumor-specific manner. The antitumor activity of AdMDC was lost in mice lacking CD8+ T lymphocytes, but surprisingly, it was preserved in animals lacking CD4+ cells, as was the systemic cytotoxic T lymphocyte response. Systemic NK cells did not play a role in the antitumor immune response induced by AdMDC. Experiments using knockout mice demonstrated that host expression of MHC Class I, but not Class II, IL-4, or IL-12, was necessary for AdMDC to exert its antitumor effect, and immunohistochemistry demonstrated infiltrates of CD8+ and CD86+ cells, but not CD4+ cells in treated tumors. These studies highlight a new function for macrophage-derived chemokine by demonstrating that it possesses in vivo antitumor activity with CD8+ T cells as the effector cells, and interestingly, that the CD4+ cell/MHC II pathway of CD8+ cell activation is not required for the antitumor effects of this chemokine.

Original languageEnglish
Pages (from-to)117-129
Number of pages13
JournalJournal of Immunotherapy
Volume26
Issue number2
DOIs
Publication statusPublished - 1 Mar 2003
Externally publishedYes

Fingerprint

Chemokine CCL22
Immunity
T-Lymphocytes
Neoplasms
Chemokines
Cytotoxic T-Lymphocytes
Interleukin-12
Adenoviridae
Knockout Mice
Cellular Immunity
Natural Killer Cells
Interleukin-4
Interferons
Leukocytes
Complementary DNA
Immunohistochemistry

Keywords

  • Adenovirus
  • Chemokine
  • Cytotoxic T lymphocyte
  • Gene therapy
  • Tumor immunity

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Pharmacology
  • Cancer Research

Cite this

Intratumoral expression of macrophage-derived chemokine induces CD4+ T cell-independent antitumor immunity in mice. / Lee, Jay M.; Merritt, Robert E.; Mahtabifard, Ali; Yamada, Reiko; Kikuchi, Toshiaki; Crystal, Ronald; Korst, Robert J.

In: Journal of Immunotherapy, Vol. 26, No. 2, 01.03.2003, p. 117-129.

Research output: Contribution to journalArticle

Lee, Jay M. ; Merritt, Robert E. ; Mahtabifard, Ali ; Yamada, Reiko ; Kikuchi, Toshiaki ; Crystal, Ronald ; Korst, Robert J. / Intratumoral expression of macrophage-derived chemokine induces CD4+ T cell-independent antitumor immunity in mice. In: Journal of Immunotherapy. 2003 ; Vol. 26, No. 2. pp. 117-129.
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