ABCD3 and prostate neoplasm: ABCD3 stain intensities ranged from 0 to 1.5 in Caucasian prostate tumors. ABCD3 expression was weak in normal human prostate tissues and moderate to strong in malignant prostate tissue with low and high Gleason scores (43 out of 87 low Gleason tissues stained moderate-to-strong while 36 out of 87 high Gleason tissues showed strong staining) (see Table 1).