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  • Title: Analysis of DNA-ploidy using laser scanning cytometer in brain tumors and its clinical application.
    Author: Tsukazaki Y, Numa Y, Zhao S, Kawamoto K.
    Journal: Hum Cell; 2000 Dec; 13(4):221-8. PubMed ID: 11329938.
    Abstract:
    There have been few reports on investigation of the cell kinetics of brain tumors using a laser scanning cytometer (LSC). We compared DNA analysis using a flow cytometer (FCM) with that by LSC using established cell lines of brain tumors, and we demonstrated the similarity of both analytical results. The DNA-index (DI) and proliferating index (PI) of various brain tumors were determined, and the results showed that these indices reflected the malignancy of the tumors. The DI values were higher for astrocytoma grade IV than for astrocytoma grade II, frequently showing an aneuploid pattern. The determination of DNA-ploidy using LSC, together with cryopathological diagnosis, was considered to be useful for deciding the area to be resected for glioma perioperatively and to be worth applying clinically.
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