the tumor cells with no detectable levels of estrogen receptors ( mda-mb-231 , hbl-100 , and bt-20 cells ) exhibited significantly larger ( p less than 0.001 ) cytosolic pkc activities than those cells that contained estrogen receptors ( mcf-7 , t-47-d , and zr-75 cells ) .
C1383501
cytosolic
C0007634
cells