Evidence map›Paper›PMID 20729194›Full record

ArticleThe Journal of biological chemistry2010

Degradation of the human mitotic checkpoint kinase Mps1 is cell cycle-regulated by APC-cCdc20 and APC-cCdh1 ubiquitin ligases.

Yongping Cui, Xiaolong Cheng, Ce Zhang, Yanyan Zhang, Shujing Li, Chuangui Wang, Thomas M Guadagno

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
2.0field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 48 citations in OpenAlex.

  1. MPS1 inhibition as an anticancer strategy: where do we stand?Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 2 countries.

Yongping CuiFrom the Key Laboratory of Cellular Physiology, Ministry of Education, Taiyuan, Shanxi 030001, China; Department of Cell Biology and Genetics, Taiyuan, Shanxi 030001, China. Electronic address: cuiy0922@yahoo.com.
Xiaolong ChengDepartment of Anatomy, Shanxi Medical University, Taiyuan, Shanxi 030001, China.
Ce ZhangFrom the Key Laboratory of Cellular Physiology, Ministry of Education, Taiyuan, Shanxi 030001, China.
Yanyan ZhangDepartment of Cell Biology and Genetics, Taiyuan, Shanxi 030001, China.
Shujing LiDepartment of Cell Biology and Genetics, Taiyuan, Shanxi 030001, China.
Chuangui WangSchool of Life Science, East China Normal University, Shanghai 200062, China.
Thomas M GuadagnoDepartment of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612. Electronic address: Thomas.Guadagno@yahoo.com.
Ministry of Education of the People's Republic of China · CNEast China Normal University · CNMoffitt Cancer Center · USShanxi Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mps1 is a dual specificity protein kinase with key roles in regulating the spindle assembly checkpoint and chromosome-microtubule attachments. Consistent with these mitotic functions, Mps1 protein levels fluctuate during the cell cycle, peaking at early mitosis and abruptly declining during mitotic exit and progression into the G(1) phase. Although evidence in budding yeast indicates that Mps1 is targeted for degradation at anaphase by the anaphase-promoting complex (APC)-c(Cdc20) complex, little is known about the regulatory mechanisms that govern Mps1 protein levels in human cells. Here, we provide evidence for the ubiquitin ligase/proteosome pathway in regulating human Mps1 levels during late mitosis through G(1) phase. First, we showed that treatment of HEK 293T cells with the proteosome inhibitor MG132 resulted in an increase in both the polyubiquitination and the accumulation of Mps1 protein levels. Next, Mps1 was shown to co-precipitate with APC and its activators Cdc20 and Cdh1 in a cell cycle-dependent manner. Consistent with this, overexpression of Cdc20 or Cdh1 led to a marked reduction of endogenous Mps1 levels during anaphase or G(1) phase, respectively. In contrast, depletion of Cdc20 or Cdh1 by RNAi treatment both led to the stabilization of Mps1 protein during mitosis or G(1) phase, respectively. Finally, we identified a single D-box motif in human Mps1 that is required for its ubiquitination and degradation. Failure to appropriately degrade Mps1 is sufficient to trigger centrosome amplification and mitotic abnormalities in human cells. Thus, our results suggest that the sequential actions of the APC-c(Cdc20) and APC-c(Cdh1) ubiquitin ligases regulate the clearance of Mps1 levels and are critical for Mps1 functions during the cell cycle in human cells.

Indexed as

Amino Acid MotifsAntigens, CDCadherinsCdc20 ProteinsCell CycleCell Cycle ProteinsCell LineCentrosomeEnzyme StabilityHumansProtein Serine-Threonine KinasesProtein-Tyrosine KinasesUbiquitin-Protein LigasesAntigens, CDCadherinsCDC20 protein, humanCdc20 ProteinsCDH1 protein, humanCell Cycle ProteinsProtein Serine-Threonine KinasesProtein-Tyrosine KinasesTTK protein, humanUbiquitin-Protein Ligases

Identifiers

PMID20729194
PMCPMC2963336
OpenAlexW2015745313

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.