EPO and amyotrophic lateral sclerosis: On the other hand, in slowly progressing ALS, we found more basophils (BAS), a higher percentage of CD3 and CD8 cells, and higher levels of LDH, albumin, IgG, IL4, IL10, IL2R, IL6R, EPO, ICAM1, ERS, associated with lower percentages of CD16+56 and CD45 cells.