## Abstract Livers in anesthetized rats were exposed to 1.90 mHz, 60 mW/cm^2^ (spatial average) continuous wave ultrasound for five minutes. Subsequent mitotic activity was stimulated by partial hepatectomy. About thirty hours following stimulation (the time of peak mitotic activity in control anim
Absence of mitotic reduction in regenerating rat livers exposed to ultrasound
β Scribed by Morton W. Miller; Gary E. Kaufman; Frederick L. Cataldo; Edwin L. Carstensen
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 350 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0091-2751
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
The frequency of mitotic cells in surgically stimulated rat livers in vivo was not affected by one and fiveminute exposures to 2.2 MHz ultrasound at intensities ranging from 60 to 16,000 mW/cm^2^. These results do not confirm Kremkau and Witcofski's report on mitotic reduction in rat liver similarly exposed to ultrasound.
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## Abstract Following 5βazacytidine, the incorporation of thymidine into DNA in regenerating rat liver is modified depending on the time of drug administration. When given shortly before or after partial hepatectomy, 5βazacytidine leads to the inhibition of DNA synthesis, while its administration 1