FIG. 3.
FLASH did not reduce immunoreactivity of CLDN5-lectin and OCLN-lectin as CONV irradiation did, at one week postirradiation. Volumetric analysis of markers CLDN5 and OCLN colocalized to lectin were quantified using Imaris software. Panel A: Representative images of CLDN5 and OCLN taken at the stratum radiatum of the hippocampus. Scale bars = 10 μm. Panels B and C: Analysis of OCLN and CLDN5 data at 24 h and one week within hippocampus and subventricular zone. CONV showed a significant drop-off of tight junction proteins at one week postirradiation compared to controls and FLASH. Data are the mean ± SEM (n = per group, two images analyzed per animal). *P ≤ 0.05, **P ≤ 0.01 and ***P ≤ 0.001 (ANOVA with Bonferroni’s multiple comparisons test).