in addition , the quantity of transforming polypeptide growth factor ( s ) , secreted into serum-free medium , which was capable of competing with labeled epidermal growth factor for binding to its receptors on a cloned fischer rat embryo cell line ( cref ) and inducing agar growth in normally anchorage-dependent cref cells was similar in e11-nmt cells grown in medium containing or depleted of thyroid hormone .
C1327616
secreted
C0007634
cells