References

Adona, P.R., P.R. Pires, M.D. Quetglas, K.R. Schwarz and C.L. Leal, 2008. Nuclear maturation kinetics and in vitro embryo development of cattle oocytes prematured with butyrolactone I combined or not combined with roscovitine. Anim. Reprod. Sci., 104: 389-397.
PubMed  |  

Carneiro, G.F., I.K.M. Liu, D. Hyde, G.B. Anderson, P.L. Lorenzo and B.A. Ball, 2002. Quantification and distribution of equine oocyte cortical granules during meiotic maturation and after activation. Mol. Reprod. Dev., 63: 451-458.
CrossRef  |  

Fair, T., P. Hyttel, J. Motlik, M. Boland and P. Lonergan, 2002. Maintenance of meiotic arrest in bovine oocytes in vitro using butyrolactone I: Effects on oocyte ultrastructure and nucleolus function. Mol. Reprod. Dev., 62: 375-386.
CrossRef  |  

Hashimoto, S., N. Minami, R. Takakura and H. Imai, 2002. Bovine immature oocytes acquire developmental competence during meiotic arrest in vitro. Biol. Reprod., 66: 1696-1701.
CrossRef  |  Direct Link  |  

Krischek, C. and B. Meinecke, 2001. Roscovitine, a specific inhibitor of cyclin-dependent protein kinases, reversibly inhibits chromatin condensation during in vitro maturation of porcine oocytes. Zygote, 9: 309-316.
CrossRef  |  

Kubelka, M., J. Motlik, R.M. Schultz and A. Pavlok, 2000. Butyrolactone I reversibly inhibits meiotic maturation of bovine oocytes, without influencing chromosome condensation activity. Biol. Reprod., 62: 292-302.
CrossRef  |  Direct Link  |  

Lonergan, P., I. Faerge, P.M. Hyttel, M. Boland and T. Fair, 2003. Ultrastructural modifications in bovine oocytes maintained in meiotic arrest in vitro using roscovitine or butyrolactone. Mol. Reprod. Dev., 64: 369-378.
PubMed  |  

Marchal, R., M. Tomanek, M. Terqui and P. Mermillod, 2001. Effects of cell cycle dependent kinases inhibitor on nuclear and cytoplasmic maturation of porcine oocytes. Mol. Reprod. Dev., 60: 65-73.
CrossRef  |  

Mermillod, P., M. Tomanek, R. Marchal and L. Meijer, 2000. High developmental competence of cattle oocytes maintained at the vesicle stage for 24 h in culture by specific inhibition of MPF kinase activity. Mol. Reprod. Dev., 55: 89-95.
PubMed  |  

Nogueira, D., R. Cortvrindt, D.G. De Matos, L. Vanhoutte and J. Smitz, 2003. Effect of phosphodiesterase type 3 inhibitor on developmental competence of immature mouse oocytes in vitro. Biol. Reprod., 69: 2045-2052.
CrossRef  |  Direct Link  |  

Stojkovic, M., S.A. Machado, P. Stojkovic, V. Zakhartchenko, P. Hutzler, P.B. Goncalves and E. Wolf, 2001. Mitochondrial distribution and adenosine triphosphate content of bovine oocytes and after in vitro maturation: Correlation with morphological criteria and developmental capacity after in vitro fertilization and culture. Biol. Reprod., 64: 904-909.
PubMed  |  Direct Link  |  

Trounson, A., C. Anderiesz and G. Jones, 2001. Maturation of human oocytes in vitro and their developmental competence. Reproduction, 121: 51-75.
PubMed  |  Direct Link  |  

Van Blerkom, J., P.W. Davis and J. Lee, 1995. Fertilization and early embryolgoy: ATP content of human oocytes and developmental potential and outcome after in-vitro fertilization and embryo transfer. Hum. Reprod., 10: 415-424.
Direct Link  |  

Wang, H. and S. M. Zeng, 2002. Effects of culture medium, cumulus cells and follicular diameter on maturation of porcine oocytes in vitro. Chin. J. Anim. Sci., 38: 15-17.

Weng, Y.C., S.W. Sha, C.M. Chiou, P.C. Tang, J.H. Yang and J.C. Ju, 2007. Butyrolactone I reversibly alters nuclear configuration, periooplasmic microtubules and development of porcine oocytes. Theriogenology, 67: 509-519.
CrossRef  |  

Wu, G.M., Q.Y. Sun, J. Mao, L. Lai and T.C. McCauley et al., 2002. High developmental competence of pig oocytes after meiotic inhibition with a specific M-phase promoting factor kinase inhibitor, butyrolactone I. Biol. Reprod., 67: 170-177.
CrossRef  |  Direct Link  |  

Yang, Y.J., Y.J. Zhang, B.H. Zhang and Y. Li, 2005. Ultrastructure of human oocytes during in vitro maturation. Acta Anatomica Sinica, 36: 655-659.

Zhang, W.X. and Y.X. Cao, 2005. Effects of cumulus on oocyte in vitro maturation and its molecular mechanism. Foreign Med. Sci. (Family Planning Fascicle), 24: 243-245.

Zhang, X.H., Z.J. Zhu, S.Q. Yuan, D.Q. Li and G.B. Luo, 2005. The role of cumulus cell in oocyte in vitro maturation. J. Yellow Cattle Sci., 31: 43-45.