Bystander Effect(redirected from Bystander effect (radiobiology))
Molecular biology The secondary effects on adjacent cells and tissues triggered by treatment of a primary target with a therapeutic agent.
Molecular medicine An anticancer effect of unknown origin evoked by some forms of gene therapy in which a treatment—e.g., p53 therapy—kills more tumour cells than can be accounted for by the number of cells actually expressing an inserted gene bystander effect
Psychology Bystander apathy A type of social phenomenon in which person ‘A' is less likely to assist a person 'B' in need of help, when other people are present, than when ‘A’ is alone
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