Augmentation of NK activity and/or macrophage-mediated cytotoxicity in the liver by biological response modifiers including human recombinant interleukin 2

Shu Ren Zhang, Raoul R. Salup, Patricia E. Urias, Theresa A. Twilley, James E. Talmadge, Ronald B. Herberman, Robert H. Wiltrout

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Administration of several biological response modifiers (BRMs) to mice strongly augmented natural killer (NK) activity of leukocytes isolated from the liver. This augmentation of NK activity was induced by two synthetic molecules (MVE-2 and poly ICLC), by two BRMs of bacterial origin (formalin-fixed Propionibacterium acnes: P. acnes and a streptococcal cell wall preparation designated OK-432), as well as a single injection of human recombinant interleukin-2 (hrIL 2). All of these BRMs augmented NK activity in the liver to a greater degree than in the spleen. In addition, adherent leukocytes (>90% macrophages) isolated from the liver following P. acnes administration also exhibited augmented macrophage-mediated cytotoxicity. This cytotoxicity was characterized as macrophage mediated and distinguished from NK activity, on the basis of adherence purification, kinetics of cytotoxicity, and target cell selectivity. The results demonstrate that a variety of BRMs induce augmented natural immunity in the liver and suggest that such organ-associated immune responses may play an important role in the antimetastatic effects of BRMs.

Original languageEnglish (US)
Pages (from-to)19-25
Number of pages7
JournalCancer Immunology Immunotherapy
Volume21
Issue number1
DOIs
StatePublished - Jan 1 1986

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Immunologic Factors
Interleukin-2
Propionibacterium acnes
Macrophages
Liver
Pyran Copolymer
Leukocytes
Picibanil
Innate Immunity
Cell Wall
Formaldehyde
Spleen
Injections

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Oncology
  • Cancer Research

Cite this

Augmentation of NK activity and/or macrophage-mediated cytotoxicity in the liver by biological response modifiers including human recombinant interleukin 2. / Zhang, Shu Ren; Salup, Raoul R.; Urias, Patricia E.; Twilley, Theresa A.; Talmadge, James E.; Herberman, Ronald B.; Wiltrout, Robert H.

In: Cancer Immunology Immunotherapy, Vol. 21, No. 1, 01.01.1986, p. 19-25.

Research output: Contribution to journalArticle

Zhang, Shu Ren ; Salup, Raoul R. ; Urias, Patricia E. ; Twilley, Theresa A. ; Talmadge, James E. ; Herberman, Ronald B. ; Wiltrout, Robert H. / Augmentation of NK activity and/or macrophage-mediated cytotoxicity in the liver by biological response modifiers including human recombinant interleukin 2. In: Cancer Immunology Immunotherapy. 1986 ; Vol. 21, No. 1. pp. 19-25.
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