3.4.24.35 gelatinase B culture condition:CD68+ cell - 700539 4.1.2.27 sphinganine-1-phosphate aldolase culture condition:CD68+ cell the cells expressing sphingosine-1-phosphate lyase in the parenchyma o lymph nodes are CD68+ antigen-presenting cells. CD68+ antigen-presenting cells generated from human monocytes are able to internalize and irreversibly degrade sphingosine 1-phosphate 727416