the efficiency of endothelial cell growth supplement ( ecgs ) , a commercially marketed extract of bovine neural tissue , human endothelial cell supernatant ( hecs ) derived from freshly isolated endothelial cells , and feeder layers of murine peritoneal cells ( pec ) , were compared for their ability to support cell fusion , clonal growth , and monoclonal antibody production of murine hybridoma cells .
C0014257
endothelial
C0225336
endothelial cells