Importance of non-H-2 genes in the control of the in vivo growth of the virus induced lymphoma YC8

M. P. Colombo, G. Parmiani

Research output: Contribution to journalArticle

Abstract

The genetic control of the in vivo growth of the Moloney virus-induced BALB/c lymphoma YC8 was studied in F1 hybrids between BALB/c and several strains differing at the MHC and/or at the level of non-H-2 genes. Parental strains of the B10 and C3Hf but not of A, BALB/c or DBA/2 backgrounds introduced a significant resistance to the growth of 102 YC8 cells (a dose able to kill 100% of BALB/c mice) in semisyngeneic hosts. This resistance appeared to be due to non-H-2 genes although a modulation of the tumour growth by genes encoded by the MHC was also evident. The study of backcrosses between susceptible BALB/c and resistant (BALB/c x B10.BR)F1 crosses revealed that 83% of animals developed lethal tumours after injection of 102 YC8 cells. This high frequency of tumour takes was not linked to genes of the MHC. Adult thymectomy plus sublethal irradiation was able to abrogate the resistance of (BALB/c x B10.BR) or (BALB/c x B10.RIII)F1 mice to YC8 growth. Since the injection of silica also impaired the resistance to YC8, we tentatively concluded that the genetic control of resistance to YC8 is mediated both by T cells and macrophage-like cells.

Original languageEnglish
Pages (from-to)405-413
Number of pages9
JournalJournal of Immunogenetics
Volume8
Issue number5
Publication statusPublished - 1981

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Lymphoma
Viruses
Growth
Genes
Neoplasms
Thymectomy
Injections
Silicon Dioxide
Macrophages
T-Lymphocytes

ASJC Scopus subject areas

  • Genetics
  • Immunology

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Importance of non-H-2 genes in the control of the in vivo growth of the virus induced lymphoma YC8. / Colombo, M. P.; Parmiani, G.

In: Journal of Immunogenetics, Vol. 8, No. 5, 1981, p. 405-413.

Research output: Contribution to journalArticle

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