two types of experiments indicated that factors associated with the astrocyte surface were primarily responsible for the vigorous neurite outgrowth seen on these cells : ( a ) conditioned media from either astrocytes or fibroblasts had no effect on the pattern of outgrowth on fibroblasts and astrocytes , and conditioned media factors from either cell type did not promote neurite outgrowth when bound to polylysine-coated dishes .
C0016030
fibroblasts
C0007634
cell type