Bystander Effect

Also found in: Idioms, Wikipedia.
Immunology See Bystander suppression
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
References in periodicals archive ?
Bystander effect of ADCs - How the presence of antigen expressing cells can induce additional efficacy of the ADC and can cause antigen negative cells to express cytotoxicity
We extended the bystander effect to the context of charitable behavior by demonstrating the diffusion of responsibility when the others' similarity is low.
001-23nM, FRA-negative cells IC50 > 100nM), a clear bystander effect in the co-culture of positive and negative FRA-positive cells, long half-life in blood (111-178 hours), and a long-lasting antitumor effect with only a single dose (In mouse models inoculated with triple-negative breast cancer cells and dosed with 5mg/kg, a 60-day tumor regression effect and complete response in 4 out of 8 mice was observed).
elegans, as a model to study the bystander effect in action.
Studies have shown that the more people who witness an event, the greater the bystander effect becomes.
The bystander effect is not limited to street crime scenarios.
The bystander effect exists when being part of a group paralyzes an individual from coming to the aid of someone in need.
To avoid this bystander effect, this Article suggests that the implementation of IEL obligations would benefit from taking an IDL approach by reframing land-based pollution as a disaster risk reduction priority and by applying disaster risk reduction approaches to the problem.
Comparison between student A's first and final drafts in the system First draft Summary = 68 The key of bystander effect is question numbers.
It was a noteworthy outcome, especially considering the well-known bystander effect in psychology-i.
But what was most interesting of all was learning about the bystander effect - that's when people toddle on past someone in need because they think someone else will help.