we have confirmed the reports of harper and grove ( science , 204 ( 1979 ) 526-527 ) , and azzarone and macierira-coehlo ( j. cell sci. , 57 ( 1982 ) 177-187 ) that fibroblasts derived from the papillary dermis have greater in vitro growth potential and longer replicative lifespans than genomically identical fibroblasts derived from the reticular dermis .
C0007634
cell
C0016030
fibroblasts