. . . . . . . . . . . . . "cat(p(PFM:\"Pde4 Family\")) -| bp(GO:\"osteoblast differentiation\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "PGE2 stimulates differentiation of osteoblast progenitor cells through the EP4 receptor in an autocrine manner, and the PDE4 inhibitor potentiates the differentiation by inhibiting hydrolysis of cyclic AMP in the cells." . . "Selventa" . . . . "2014-07-03T14:30:15.883+02:00"^^ . . .