
Keywords: ALK، kinase like-receptor activin; ALK, activin receptor-like kinase; cDNA, complementary DNA; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; GDF, growth differentiation factor; hGL, human gralulosa-lutein; PCOS, polycystic ovarian syndrome; PTX, pentraxin; siRNA, small interfering RNA;