- Key: n/a not applicable. *p < 0.05, **p < 0.005, and ***p < 0.0005 as compared to pre-radiation (pre-rad control). Vehicle (PBS), uneducated monocytes (monocytes), unprimed MSC-exosome educated monocytes (EEMo), and LPS-primed MSC-exosome educated monocytes (LPS-EEMos) were each compared to pre-rad control