Abstract
AbstractInterferon α/β (IFN α/β) is highly effective in inhibiting the development of Friend erythroleukemia cell (FLC) visceral metastases in DBA/2 mice injected intravenously (i.v.) with FLC, but does not protect FLC‐injected DBA/2 beige (bg/bg) mice. Use of IFN α/β‐resistant FLC indicated that IFN was acting through host mechanisms in DBA/2 mice and thus pointed to a defect in some host mechanism in bg/bg mice essential for IFN's anti‐metastatic action. We undertook experiments to restore in bg/bg mice the marked anti‐FLC meta‐static effect of IFN a/p observed in DBA/2 and +/bg mice. Adoptive transfer of spleen cells from normal syngeneic mice to IFN‐treated bg/bg mice was ineffective, but the transfer of splenic T lymphocytes from FLC‐immunized DBA/2 or +/bg mice markedly increased the survival time of FLC‐injected bg/bg mice provided that these mice were also treated with IFN a/p. Neither treatment alone resulted in an increase in survival time. As few as 1 × 107 immune spleen cells were effective in IFN‐treated FLC‐injected bg/bg mice. The T‐cell immune response to FLC of bg/bg mice was diminished compared with that of +/bg mice. Likewise, only combination therapy of immune spleen cells and IFN α/β resulted in an increased survival time of ESb‐lymphoma‐injected bg/bg mice. Our results indicate the essential participation both of T‐cell‐mediated immune mechanisms and of IFN α/βin the inhibition of FLC visceral metastases.
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Dates
Type | When |
---|---|
Created | 18 years, 6 months ago (Feb. 19, 2007, 6:09 p.m.) |
Deposited | 1 year, 10 months ago (Oct. 26, 2023, 3:53 a.m.) |
Indexed | 1 year, 10 months ago (Oct. 27, 2023, 9:10 a.m.) |
Issued | 32 years, 3 months ago (May 28, 1993) |
Published | 32 years, 3 months ago (May 28, 1993) |
Published Online | 19 years, 1 month ago (July 17, 2006) |
Published Print | 32 years, 3 months ago (May 28, 1993) |
@article{Kaido_1993, title={Sensitized T lymphocytes render DBA/2 beige mice responsive to IFN α/β therapy of friend erythroleukemia visceral metastases}, volume={54}, ISSN={1097-0215}, url={http://dx.doi.org/10.1002/ijc.2910540320}, DOI={10.1002/ijc.2910540320}, number={3}, journal={International Journal of Cancer}, publisher={Wiley}, author={Kaido, Thomas and Gresser, Ion and Maury, Chantal and Vignaux, Françoise and Maunoury, Maric‐Thérèse and Belardelli, Filippo}, year={1993}, month=may, pages={475–481} }