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H. Dorota Halicka

Researcher at New York Medical College

Publications -  56
Citations -  3027

H. Dorota Halicka is an academic researcher from New York Medical College. The author has contributed to research in topics: DNA damage & Cell cycle. The author has an hindex of 31, co-authored 56 publications receiving 2804 citations.

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Journal ArticleDOI

Discontinuous fragmentation of nuclear DNA during apoptosis revealed by discrete “sub‐G1” peaks on DNA content histograms

TL;DR: The aim of the present study was to explore whether in situ DNA fragmentation during apoptosis is discontinuous or progresses incessantly and if it is discontinued, to define the resistant to cleavage fraction of DNA that remains stainable with the fluorochrome.
Journal ArticleDOI

Cytometry of ATM Activation and Histone H2AX Phosphorylation to Estimate Extent of DNA Damage Induced by Exogenous Agents

TL;DR: The advantages of cytometric flow‐ and image‐analysis of these events are illustrated in terms of offering a sensitive and valuable tool in studies of factors that induce DNA damage and/or affect DNA repair and allow one to explore the linkage between DNA damage, cell cycle checkpoints and initiation of apoptosis.
Journal ArticleDOI

Constitutive histone H2AX phosphorylation and ATM activation, the reporters of DNA damage by endogenous oxidants.

TL;DR: The reviewed data indicate that multiparameter cytometric measurement of the level of CHP and/or CAA allows one to estimate the extent of ongoing oxidative DNA damage and to measure the DNA protective-effects of antioxidants or agents that reduce or amplify generation of endogenous ROS.
Journal ArticleDOI

Cytometric assessment of DNA damage in relation to cell cycle phase and apoptosis.

TL;DR: The presented data reveal cell cycle phase‐specific patterns of H2AX phosphorylation and ATM autophosphorylation in response to induction of DSBs by ionizing radiation, topoisomerase I and II inhibitors and carcinogens.
Book ChapterDOI

Analysis of cellular DNA content by flow and laser scanning cytometry.

TL;DR: This chapter covers several aspects of methodology of DNA content analysis in individual cells that is most commonly used for assessment of DNA ploidy and for enumeration of cells in particular phases of the cell cycle.