Xiao Min Wang

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The spindle assembly checkpoint prevents cells whose spindles are defective or chromosomes are misaligned from initiating anaphase and leaving mitosis. Studies of Xenopus egg extracts have implicated the Erk2 mitogen-activated protein kinase (MAP kinase) in this checkpoint. Other studies have suggested that MAP kinases might be important for normal mitotic(More)
Microtubule-associated protein 4 (MAP4) promotes MT assembly in vitro and is localized along MTs in vivo. These results and the fact that MAP4 is the major MAP in nonneuronal cells suggest that MAP4's normal functions may include the stabilization of MTs in situ. To understand MAP4 function in vivo, we produced a blocking antibody (Ab) to prevent MAP4(More)
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