Mechanism of lipopolysaccharide-induced tumor necrosis: requirement for lipopolysaccharide-sensitive lymphoreticular cells

D. N. Mannel, David L. Rosenstreich, S. E. Mergenhagen

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23 Citations (Scopus)

Abstract

Lipopolysaccharide (LPS) induces rapid necrosis of intradermal fibrosarcomas in mice. the mechanism(s) by which LPS produces tumor necrosis has been investigated using histocompatible LPS-sensitive (C3H/HeN) and LPS-resistant (C3H/HeJ) mouse strains. C3H/HeN- or C3H/HeJ-derived fibrosarcomas were necrotized by LPS when they were grafted onto C3H/HeN mice but were not affected when growing on C3H/HeJ mice, indicating that LPS does not act directly on the tumor itself. In contrast, lethally X-irradiated C3H/HeJ mice exhibit necrosis of their tumors when reconstituted with C3H/HeN bone marrow cells, whereas C3H/HeN mice no longer exert LPS-induced tumor necrosis after the adoptive transfer of C3H/HeJ bone marrow cells. These findings clearly indicate that LPS produces necrosis of tumors by activating host lymphorecticular cells.

Original languageEnglish (US)
Pages (from-to)573-576
Number of pages4
JournalInfection and Immunity
Volume24
Issue number2
StatePublished - 1979
Externally publishedYes

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Lipopolysaccharides
Necrosis
Inbred C3H Mouse
Neoplasms
Fibrosarcoma
Bone Marrow Cells
Adoptive Transfer

ASJC Scopus subject areas

  • Immunology

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Mechanism of lipopolysaccharide-induced tumor necrosis : requirement for lipopolysaccharide-sensitive lymphoreticular cells. / Mannel, D. N.; Rosenstreich, David L.; Mergenhagen, S. E.

In: Infection and Immunity, Vol. 24, No. 2, 1979, p. 573-576.

Research output: Contribution to journalArticle

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