Related Experiment Video
Updated: Aug 10, 2026
11:24
Measuring DNA Damage and Repair in Mouse Splenocytes After Chronic In Vivo Exposure to Very Low Doses of Beta- and Gamma-Radiation
Published on: July 3, 2015
Comparative studies on cell lines established from normal and radiation-exposed miniature swine
In Vitro
|December 1, 1979
Summary
Swine cell lines from radiation-induced myeloproliferative disorders showed malignant transformation, forming tumors in mice. Type C viruses were detected only in diseased swine cells, not normal controls.
Area of Science:
- Oncology
- Virology
- Cell Biology
Background:
- Radiation exposure can induce myeloproliferative disorders in swine.
- Understanding cellular changes and viral presence in these disorders is crucial.
Purpose of the Study:
- To establish and characterize cloned cell lines from swine with radiation-induced myeloproliferative disorders.
- To compare the growth and transformation characteristics of normal and diseased swine cells.
- To investigate the presence of type C viruses in these cell lines.
Main Methods:
- Cloning cell lines from swine with myelogenous leukemia, myeloid metaplasia, and normal fetal swine cornea.
- Culturing cells in semisolid agar medium.
- Assessing morphological transformation through loss of contact inhibition and aneuploidy.
- Tumorigenicity testing in nude mice.
- Electron microscopy for type C virus detection.
Main Results:
- All three cell lines exhibited transformed characteristics, including colony formation in agar and lack of contact inhibition.
- Cloned cells from diseased swine induced tumors in nude mice, confirming malignant transformation.
- Type C viruses were exclusively observed in cell lines derived from swine with myeloproliferative disorders.
Conclusions:
- Cloned swine cell lines from radiation-induced myeloproliferative disorders are morphologically and malignantly transformed.
- The presence of type C viruses is associated with radiation-induced myeloproliferative disorders in swine.
- These cell lines serve as valuable models for studying radiation-induced cancers and associated viral activity.
