this decrease was seen with cdna probes for the mrna for secreted extracellular matrix macromolecules ( fibronectin , thrombospondin and collagen chains alpha 2 ( i ) , alpha 1 ( iii ] as well as with cdna probes for rna of intracellular macromolecules actin and beta-tubulin .
C0015350
extracellular matrix
C0076560
thrombospondin