Myofibroblasts in the stroma of oral cancer promote tumorigenesis via secretion of activin A.
Sobral LM, Bufalino A, Lopes MA, Graner E, Salo T, Coletta RD. Myofibroblasts in the stroma of oral cancer promote tumorigenesis via secretion of activin A. Oral Oncol. 2011 Sep; 47(9):840-6.