PMID: 11605235Oct 19, 2001Paper

Apoptosis of peripheral lymphocytes of healthy donors and patients with laryngeal neoplasms after gamma-irradiation in vitro

Radiatsionnaia biologiia, radioecologiia
N V OrlovaA S Saenko

Abstract

Apoptosis in peripheral blood lymphocytes of healthy donors and cancer patients after gamma-irradiation with different doses was studied by the flow cytometry method. Wide intra- and interindividual variabilities of the lymphocyte radiosensitivity were observed. The radiosensitivity did not depend on the subpopulation composition of the lymphocyte pool. The persons with very low and high lymphocyte radiosensitivities were found significantly more often among the cancer patients than among the healthy donors. One can suggest that this method is useful as a biomarker of future cancer risk and prognosis of radiotherapy efficiency.

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Apoptosis

Apoptosis is a specific process that leads to programmed cell death through the activation of an evolutionary conserved intracellular pathway leading to pathognomic cellular changes distinct from cellular necrosis