Also the proteoglycan thrombomodulin was increased in treatedSchwann cells, in line with induced expression of thrombomodulin in endothelialand leukemia cell lines after elevation of intracellular cAMP levels (Ito etal., 1990; Maruyama et al., 1991; Archipoff et al., 1993). Here, THBD is linked to leukemia.