Cytokinetic properties of asynchronous and cytosine arabinoside perturbed murine tumors measured by simultaneous bromodeoxyuridine/DNA analyses

M. G. Pallavicini, L. J. Summers, F. D. Dolbeare, Joe Gray

Research output: Chapter in Book/Report/Conference proceedingChapter

47 Citations (Scopus)

Abstract

This paper describes the determination of cytokinetic properties of asynchronous and cytosine arabinoside- (Ara-C) treated KHT tumors growing in vivo using the bromodeoxyuridine (BrdUrd)/DNA analysis technique. The cytokinetic properties of asynchronously growing tumors were estimated by computer analysis of sequential BrdUrd/DNA distributions measured at 2- to 3-h intervals after administration of a single i.p. injection of BrdUrd. The cytokinetic properties of the Ara-C-treated tumors were estimated by computer analysis of BrdUrd/DNA distributions measured at 2- to 3-h intervals after Ara-C treatment. BrdUrd was injected 30 min prior to tumor harvest. The cytokinetic properties of the cells rendered nonclonogenic by Ara-C were followed in BrdUrd/DNA distributions measured at 2- to 3-h intervals after Ara-C treatment of tumors that were labeled with BrdUrd 30 min prior to Ara C injection. The G1-, S-, and G2M-phase durations were estimated to be 7.6, 10.9, and 2.0 h prior to Ara-C; decreasing to 1.2, 4.1, and 1.4 after Ara-C. The growth fraction was estimated to be 0.8 prior to Ara-C. Complete recruitment of the normally noncycling subpopulation was observed after Ara-C treatment. Ara-C-killed cells were removed from the tumor within 24 h following Ara-C injection. These cytokinetic properties were similar to those reported in other studies.

Original languageEnglish (US)
Title of host publicationCytometry
Pages602-610
Number of pages9
Volume6
Edition6
StatePublished - 1985
Externally publishedYes

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Cytarabine
Bromodeoxyuridine
DNA
Neoplasms
Injections
S Phase
Therapeutics

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Cytokinetic properties of asynchronous and cytosine arabinoside perturbed murine tumors measured by simultaneous bromodeoxyuridine/DNA analyses. / Pallavicini, M. G.; Summers, L. J.; Dolbeare, F. D.; Gray, Joe.

Cytometry. Vol. 6 6. ed. 1985. p. 602-610.

Research output: Chapter in Book/Report/Conference proceedingChapter

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