1Chian RC, Lim JH, Tan SL. State of the art in in-vitro oocyte maturation[J]. Curr Opin Obstet Gynecol, 2004, 16(3): 211-219.
2Hussein TS, Thompson JG, Gilchrist RB. et al.Oocyte-secreted factors enhance oocyte developmental competence [J]. Dev Biol,2006, 296(2): 514-521.
3Hreinsson JG, Scot JE, Rasmussen C, et al. Growth differentiation factor-9 promotes the growth, development, and survival of human ovarian follicles in organ culture[J]. J Clin Endocrinol Metab, 2002,87(1): 316-321.
4Knight PG, Glister C.TGF-beta superfamily members and ovarian follicle development[J].Reproduction, 2006, 132(2): 191-206.
5Yamamoto N, Christenson LK, Mcallister JM, et al.Growth differentiation factor-9 inhibits 3′5′-adenosine monophosphate-stimulated steroidogenesis in human granulose andtheca cells [J ]. J Clin Endocrinol Metab, 2002, 87(6): 2849-2856.
6Daffy DM. Growth differentiation factor-9 is expressed by the primate follicle throughout the periovulatory interval [J ].Biol Reprod,2003, 69(2): 725-732.
7Kaivo-Oja N, Bondestam J, Kamarainen M, et al. Growth differentiation factor-9 induces Smad2 activation and inhibin B production in cultured human granulosa-luteal cells[J]. J Clin Endocrinol Metab,2003, 88(2): 755-762.
8Gilchrist RB, Ritter LJ, Armstrong DT. Oocyte-somatic cell interactions during follicle development in mammals [J ]. Anim Reprod Sci,2004, 82-83: 431-446.
9Gilchrist RB, Ritter LJ, Cranfield M, et al.Immunoneutralization of growth differentiation factor-9 reveal it partially accounts for mouse oocyte mitogenic activity[J]. Biol Reprod, 2004, 71(3): 732-739.
10Wang J, Roy SK. Growth differentiation factor-9 and stem call factor promote primordial follicle formation in the hamster: modulation by follicle-stimulating hormone[J].Biol Reprod, 2004, 70(3): 577-585.
7Zheng-guang Wang,Song-dong Yu ,Zi-rong Xu. Improvement in bo-vine embryo production in vitro by treatment with green tea polyphenols during in vitro maturation of oocytes[J]. Animal Reproduction Science,2006,7:1-10.
8Daniel G, de Matos, Bianca Gasparrini, et al. Effect of glutathione synthesis stimulation during in vitro maturation of ovine ooeytes on embryo development and intracellular peroxide content[J]. Theriog- enology, 2002,57 : 1443-1451.