PARP1 and oculocutaneous albinism type 1: A significant difference in kidney PARP-1 expression was found between recipients of non-ECD kidneys, which largely showed moderate or intense ATN, and ECD biopsy specimens, which showed only mild or moderate ATN (2.33±0.85 vs. 1.69±0.91, p = 0.0001 Bonferroni test).