Novel Cancer Stem Marker and Its Applicability for Grading Primary Human Gliomas.

Abstract:

:Poorly differentiated cell populations including tumor-initiating stem cells have been demonstrated to display a unique ability to natively internalize fragmented double-stranded DNA. Using this feature as a marker, we show that 0.1% to 6% of human glioblastoma cells from the bioptates can effectively internalize a fluorescently labeled DNA probe. Of these, using samples from 3 patients, 66% to 100% cells are also positive for CD133, a well-established surface marker of tumor-initiating glioma stem cells. Using the samples from primary malignant brain lesions (33 patients), we demonstrate that tumor grading significantly correlates ( R = .71) with the percentage of DNA-internalizing cells. No such correlation is observed for relapse samples (18 patients).

authors

Dolgova EV,Mishinov SV,Proskurina AS,Potter EA,Efremov YR,Bayborodin SI,Tyrinova TV,Stupak VV,Ostatin AA,Chernykh ER,Bogachev SS

doi

10.1177/1533034617753812

subject

Has Abstract

pub_date

2018-01-01 00:00:00

pages

1533034617753812

eissn

1533-0346

issn

1533-0338

journal_volume

17

pub_type

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