“RESULTS Both beta-carotene and al ha-TS ma rkedly enhanced the level of morphologic differentiation (neurite formation) induced by both PGE 1 an d R020-1724.”
“beta-carotene and alpha-TS caused a transient increase in cAMP level, and they also enhanced the effect of PGE1 and R020-1724 on cAMP level in a transient manner.”