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Cellular senescence — a key player in radiotherapy and radiation induced bystander effect?

Prelegent(ci)
Jan Poleszczuk
Afiliacja
MISDoMP Uniwersytet Warszawski
Termin
13 marca 2013 16:15
Pokój
p. 5820
Seminarium
Seminarium Zakładu Biomatematyki i Teorii Gier

I'm going to present a novel biological hypothesis which combines two hitherto distinct phenomena: cellular senescence and radiation induced bystander effects. Hypothesis gives a new insight into the principles governing the tumor response to ionizing radiation and provides elegant explanation for the various types of bystander effects. Basic analysis based on a mathematical models reveals that the radiation-dose survival curves, and hence the tumor cure probabilities are highly dependent on the amount of cellular senescence triggered by the ionizing radiation or by the bystander signals.