Cell Struct Funct. 2010;35(1):1.
Retraction notice: the RZZ complex and the spindle assembly checkpoint.
Lu Y, Wang Z, Ge L, Chen N, Liu H.

MOE Key Laboratory of Arid and Grassland Ecology, Institute of Cell Biology, Life Science School, Lanzhou University, Lanzhou, PR China.
This article has been retracted at the request of the Editor-in-Chief of the Cell Structure and Function. This review article contains a substantial amount of text that had previously appeared in other published articles, including the Elsevier journals Current Biology (Howell et al., Curr. Biol. 2004 Jun 8; 14(11): 953-964), Trends in Cell Biology (Karess, Trends Cell Biol. 2005 Jul; 15(7): 386-392) and Current Opinion in Cell Biology (Yu, Curr. Opin. Cell Biol. 2002 Dec; 14(6): 706-714). In accordance with policies and procedures governing academic publication we concluded that the above-mentioned article published in Cell Struct. Funct. be retracted. We apologize to readers of the journals that this was not detected during the submission and review process.

Brain Res Bull. 2010 Mar 16;81(4-5):524.
Retraction notice to "the protective mechanism of progesterone on blood-brain barrier in cerebral ischemia in rats" Brain Research Bulletin 79 (2009) 426-430.
Wang J, Jiang C, Li X, Liu C, Cheng N, Hao Y.

Department of Neurology, The second Affiliated Hospital of Zhengzhou University, 450014, Henan, PR China.

Mol Neurodegener. 2009 Nov 4;4:45.
Retraction: Dopaminergic regeneration by neurturin-overexpressing c17.2 neural stem cells in a rat model of Parkinson's disease.
Liu WG, Wang XJ, Lu GQ, Li B, Wang G, Chen SD.

Department of Neurology & Neuroscience Institute, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, PR China. chen_sd@medmail.com.cn.