Fig. 2
Model fitting of in vitro measurements in [31] of the change in the radiosensitivity of LNCaP, PC3, and Du145 prostate cancer cell cultures after exposure to fractionated radiation. Pre-treatment parameters in Eq. (3) were (a) αc = 0.43 Gy− 1, (b) αc = 0.35 Gy− 1 and (c) αc = 0.30 Gy− 1 with βc = 0.02 Gy− 2, σα = 1.0 × 10− 1 Gy− 1 and σβ = 3.5 × 10− 3 Gy− 2