Comparison of heat and/or radiation sensitivity and membrane composition of seven X-ray-transformed C3H 10T1/2 cell lines and normal C3H 10T1/2 cells
C3H 10T1/2 mouse embryo cells were transformed by X-irradiation, and seven transformed clones were isolated and propagated as cell lines. Some of these cell lines produced tumors in syngeneic mice and grew in agarose while the normal C3H 10T1/2 cell line did not possess these characteristics. Exponentially growing cell cultures with comparable cell-cycle distributions as measured by flow cytometry were tested for heat and X-ray sensitivity. The heat and X-ray sensitivity varied randomly compared to the normal cell line. One cell line was more heat resistant and one more heat sensitive than the normal cell line, and the others had sensitivities comparable to the normal cell line. Measurements on some of the biochemical parameters of the particulate fraction of cells after sonication and 24,000 X g centrifugation showed that altered thermal sensitivity was not correlated with protein, cholesterol, or phospholipid content of this fraction.
- Research Organization:
- Atomic Energy of Canada Limited Research Co., Pinawa, Manitoba
- OSTI ID:
- 6231976
- Journal Information:
- Cancer Res.; (United States), Journal Name: Cancer Res.; (United States); ISSN CNREA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560201 -- Thermal Effects-- Cells-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
CELL CYCLE
CELL TRANSFORMATIONS
CONNECTIVE TISSUE CELLS
ELECTROMAGNETIC RADIATION
EMBRYONIC CELLS
ENERGY
FIBROBLASTS
HEAT
IONIZING RADIATIONS
MAMMALS
MICE
ONCOGENIC TRANSFORMATIONS
RADIATIONS
RADIOINDUCTION
RADIOSENSITIVITY
RODENTS
SOMATIC CELLS
TEMPERATURE EFFECTS
VERTEBRATES
X RADIATION