Differential Effect of Coformycin on the Cell Cycle Traverse of Normal and Simian Virus 40-transformed Human Fibroblasts

Haingsub R. Chung, Ernest A. Albanese, George Studzinski

Research output: Contribution to journalArticle

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Abstract

Normal and simian virus 40-transformed human embryonic lung fibroblasts in culture were exposed to 3.5 μM coformycin (CF). This treatment resulted in almost complete inhibition of adenosine deaminase activity in both cell lines and retarded the progress of the fibroblasts through the cell cycle, as measured by the rate of cell proliferation. There was a marked difference, however, in the effect of CF on the traverse of different segments of the cell cycle. In normal fibroblasts, CF rapidly but transiently inhibited cell entry into visible stages of mitosis and delayed the progress through S and G2. In transformed fibroblasts, the effects of CF on the cell cycle included an early acceleration of the cell entry into visible mitosis and prolongation of this phase of the cell cycle. These results indicate that inhibition of adenosine deaminase can have different effects on the traverse of the critical segments of the cell cycle in normal and transformed cells.

Original languageEnglish (US)
Pages (from-to)1269-1274
Number of pages6
JournalCancer Research
Volume43
Issue number3
StatePublished - Mar 1 1983

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Coformycin
Simian virus 40
Cell Cycle
Fibroblasts
Adenosine Deaminase
Mitosis
Cell Proliferation
Cell Line
Lung

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Chung, Haingsub R. ; Albanese, Ernest A. ; Studzinski, George. / Differential Effect of Coformycin on the Cell Cycle Traverse of Normal and Simian Virus 40-transformed Human Fibroblasts. In: Cancer Research. 1983 ; Vol. 43, No. 3. pp. 1269-1274.
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Differential Effect of Coformycin on the Cell Cycle Traverse of Normal and Simian Virus 40-transformed Human Fibroblasts. / Chung, Haingsub R.; Albanese, Ernest A.; Studzinski, George.

In: Cancer Research, Vol. 43, No. 3, 01.03.1983, p. 1269-1274.

Research output: Contribution to journalArticle

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