Provided herein are methods of treating individuals having suffered exposure to radiation, e.g., individuals having radiation injury, by administering to the individuals angiogenic cells from amnion, referred to as amnion derived adherent cells, or populations of, and compositions comprising, such cells.本文提供治療已遭受輻射曝露之個體、例如經受輻射傷害之個體之方法,其係藉由向個體投與稱為羊膜衍生附著性細胞的來自羊膜之血管生成細胞,或該等細胞之群體,及包含該等細胞之組合物。