Hyaluronan synthesis by mouse cumulus cells is regulated by interactions between follicle-stimulating hormone (or epidermal growth factor) and a soluble oocyte factor (or transforming growth factor beta 1) - Tirone,E.; D'Alessandris,C.; Hascall,V.C.; Siracusa,G.; Salustri,A. (J Biol Chem, 1997)