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M8694

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M J Percy et al.
Genes, chromosomes & cancer, 29(4), 356-362 (2000-11-07)
Breast cancer is a heterogeneous disorder in which most tumors display some degree of aneuploidy, especially those at later stages of the disease. Aneuploidy and associated chromosome instability may be important in the progression of mammary tumorigenesis. Aneuploidy is prevented...
Ikram Mossaid et al.
Journal of cell science, 133(21) (2020-10-08)
Nucleoporin Nup153 is a multifunctional protein and a known binding partner of mitotic checkpoint protein Mad1 (also known as MAD1L1). The functional relevance of their interaction has remained elusive. Here, we have further dissected the interface and functional interplay of...
Norihisa Uemura et al.
Cancer science, 100(9), 1612-1622 (2009-06-30)
To identify the molecular background of esophageal cancer, we conducted a proteomics study using an antibody microarray consisting of 725 antibodies and surgical specimens from three cases. The microarray analysis identified 24 proteins with aberrant expression in esophageal cancer compared...
Lucia Sironi et al.
The EMBO journal, 21(10), 2496-2506 (2002-05-15)
The spindle checkpoint protein Mad1 recruits Mad2 to unattached kinetochores and is essential for Mad2-Cdc20 complex formation in vivo but not in vitro. The crystal structure of the Mad1-Mad2 complex reveals an asymmetric tetramer, with elongated Mad1 monomers parting from...
Mayuko Hara et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(36), 11252-11257 (2015-08-26)
The spindle checkpoint senses unattached kinetochores during prometaphase and inhibits the anaphase-promoting complex or cyclosome (APC/C), thus ensuring accurate chromosome segregation. The checkpoint protein mitotic arrest deficient 2 (Mad2) is an unusual protein with multiple folded states. Mad2 adopts the...
Lijuan Zhu et al.
The Journal of biological chemistry, 290(45), 27053-27066 (2015-09-18)
Mitotic chromosome segregation is orchestrated by the dynamic interaction of spindle microtubules with the kinetochores. During chromosome alignment, kinetochore-bound microtubules undergo dynamic cycles between growth and shrinkage, leading to an oscillatory movement of chromosomes along the spindle axis. Although kinetochore...
Yang Bian et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(4), 1628-1633 (2014-01-16)
The spindle checkpoint is essential to ensure proper chromosome segregation and thereby maintain genomic stability. Mitotic arrest deficiency 2 (Mad2), a critical component of the spindle checkpoint, is overexpressed in many cancer cells. Thus, we hypothesized that Mad2 overexpression could...
C L Pang et al.
Oncogene, 33(31), 4039-4049 (2013-10-22)
High-risk human papillomaviruses are causative agents of cervical cancer. Viral protein E7 is required to establish and maintain the pro-oncogenic phenotype in infected cells, but the molecular mechanisms by which E7 promotes carcinogenesis are only partially understood. Our transcriptome analyses...
Clara Rizzardi et al.
Anticancer research, 34(12), 7021-7027 (2014-12-17)
Defects in the cell-cycle surveillance mechanism, called the spindle checkpoint, might contribute to the chromosomal instability observed in human cancers, including oral squamous cell carcinoma. MAD2 and BUBR1 are key components of the spindle checkpoint, whose role in oral carcinogenesis...
M S Campbell et al.
Journal of cell science, 114(Pt 5), 953-963 (2001-02-22)
Mad1 was first identified in budding yeast as an essential component of the checkpoint system that monitors spindle assembly in mitosis and prevents premature anaphase onset. Using antibodies to the human homologue of Mad1 (HsMAD1), we have begun to characterize...
Chaoqun Li et al.
International journal of molecular sciences, 15(4), 5553-5569 (2014-04-03)
The Mad2 protein, with two distinct conformations of open- and closed-states, is a key player in the spindle checkpoint. The closed Mad2 state is more active than the open one. We carried out conventional and targeted molecular dynamics simulations for...