Histological evaluation of GI tract segments on day 7 after 11 Gy TBI and vehicle or 40 μg/kg entolimod treatment at +4 hours (study Rs-22, N = 4/group).

A 0: severely abnormal; 1: markedly abnormal; 2: moderately abnormal; 3: mildly abnormal; 4: normal (see S1 Methods).B Student’s t-test of entolimod (E) vs. vehicle (V) scores, 2-tailedHistological evaluation of GI tract segments on day 7 after 11 Gy TBI and vehicle or 40 μg/kg entolimod treatment at +4 hours (study Rs-22, N = 4/group).