Characterization of activated peritoneal cells inhibiting the take of transplantable murine tumours.

J. Mináróvits, E. Karczag, I. Földes

Research output: Contribution to journalArticle

Abstract

We studied the properties of activated peritoneal cells (PC) inhibiting the take of SP4 spontaneous adenocarcinoma and Lewis lung carcinoma in syngeneic mice. Treatment of the poly I:C activated PC from Balb/c mice suppressing the take of SP4 tumour with anti-asialo GM1 antibody and complement before transfer did not affect their tumour-inhibitory potential. PC from Balb/c nude mice treated with poly I:C also inhibited the take of SP4 tumour. Spleen cells from untreated or poly I:C treated Balb/c and Balb/c nude mice, however, did not inhibit the take of SP4 adenocarcinoma. Treatment of peritoneal cells activated by a combination of poly I:C, indomethacin and Syncumar (referred to as "combined treatment") with anti-asialo GM1 antibody and complement could not, or could only partly abolish their tumour-inhibitory potential. The cells mediating the suppression of the take of Lewis lung tumour proved to be Thy-1,2+/-, Lyt-1-, Lyt 2.2- cells. We conclude that the activated peritoneal cells inhibiting the take of SP4 adenocarcinoma and Lewis lung tumour are different from NK cells, NC cells and LAK cells and represent a distinct antitumoural effector cell population.

Original languageEnglish
Pages (from-to)33-39
Number of pages7
JournalActa Microbiologica Hungarica
Volume36
Issue number1
Publication statusPublished - 1989

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Poly I-C
Neoplasms
Nude Mice
Acenocoumarol
Lewis Lung Carcinoma
Lymphokine-Activated Killer Cells
Antibodies
Indomethacin
Natural Killer Cells
Adenocarcinoma
Spleen
Lung
Population
asialo GM1 ganglioside
Adenocarcinoma of lung

ASJC Scopus subject areas

  • Microbiology

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Characterization of activated peritoneal cells inhibiting the take of transplantable murine tumours. / Mináróvits, J.; Karczag, E.; Földes, I.

In: Acta Microbiologica Hungarica, Vol. 36, No. 1, 1989, p. 33-39.

Research output: Contribution to journalArticle

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