Suppression by radiosensitizer AK-2123 of early phorbol myristate acetate-stimulated chemiluminescence response of human neutrophils induced by gamma-irradiation (short communication)

Igor Schepetkin

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

The influence of γ-irradiation and radiosensitizer AK-2123 on secretion of reactive oxygen species (ROS) of human neutrophils was studied, γ- irradiation (from 5 to 25 Gy) of the neutrophil suspension inhibited spontaneous chemiluminescence and activated phorbol-12-myristate-13-acetate (PMA)-stimulated chemiluminescence. The time of maximum PMA-stimulated chemiluminescence amplitude was decreased with the dose range from 2 to 25 Gy. The addition of radiosensitizer AK-2123 depressed the early PMA- stimulated chemiluminescence response to γ-irradiation. The obtained results suggest that this effect is connected with influence of AK-2123 on ion canals of neutrophils and may prevent the radiation-induced damage of blood cells.

Original languageEnglish
Pages (from-to)453-456
Number of pages4
JournalCancer Biotherapy and Radiopharmaceuticals
Volume13
Issue number6
Publication statusPublished - 1998
Externally publishedYes

Keywords

  • γ-irradiation
  • Neutrophils
  • Radiosensitizer
  • Reactive oxygen species

ASJC Scopus subject areas

  • Cancer Research
  • Oncology
  • Pharmacology

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