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INFLUENCE OF AGE AND STRAIN OF X-IRRADIATED MICE ON THE APPEARANCE OF LEUKEMIA AND LYMPHOID TUMORS

Journal Article · · Bull. Assoc. Franc. Etudes Cancer
OSTI ID:4789107
A single 300-r whole-body dose was given to mice of 3 strains (C3H, IC, XLII) and of 2 age groups (4-6 weeks and 4-6 months). Both age and strain influenced the incidence of leukemia and lymphoid tumors following irradiation. The incidence was higher in young than old mice; the XLII strain was resistant and the IC strain relatively susceptible. The incidence of leukemia or lymphosarcoma in young and old mice, respectively, was 12.2 and 6.8% in the IC strain, 0 and 2.6% in the C3H strain, and 0 and 0% in the XLII strain, The respective incidences in control animals were mediastinal in location. By injection of an extract prepared from lymphomas of AKR mice, combined with irradiation, leukemia or lymphosarcoma could be induced in the resistant XLII stain. Young and old rats developed malignancy in 6.8 and 3.1%, but lymphoma extract alone had no effect. (H.H.D.)
Research Organization:
Institut de Recherches Scientifiques sur le Cancer, Villejuif, France
NSA Number:
NSA-17-001276
OSTI ID:
4789107
Journal Information:
Bull. Assoc. Franc. Etudes Cancer, Journal Name: Bull. Assoc. Franc. Etudes Cancer Vol. Vol: 49
Country of Publication:
Country unknown/Code not available
Language:
English