we find that normal fibroblasts ( gm3348 ) have ldl-receptor complex populations dominated by large cluster sizes ( greater than 4 ldl ) , while internalization-deficient j.d . mutant fibroblasts ( gm2408a ) and epidermoid carcinoma cells ( a-431 ) show predominantly small clusters ( 1-3 ldl ) .
C0016030
fibroblasts
C0007634
cells