Science, Vol 251, Issue 4991, 305-308
Copyright © 1991 by American Association for the Advancement of Science
The effect of anti-neoplastic drugs on murine acquired immunodeficiency syndrome
C Simard
and
P Jolicoeur
Laboratory of Molecular Biology, Clinical Research Institute of Montreal, Quebec, Canada.
The murine acquired immunodeficiency syndrome (MAIDS) is associated with proliferation of target cells that have been infected by a defective retrovirus. To control the growth of this primary neoplasia, virus-inoculated mice were treated with anti-neoplastic drugs. Paradoxically, cyclophosphamide, which is also immunosuppressive, was very effective in preventing the appearance and progression of the disease, in restoring a normal T cell function, and in depleting the number of infected target cells. This result suggests that the proliferating infected target cells were responsible for the immunodeficiency.