ArticleProceedings of the National Academy of Sciences of the United States of America2021
Sufu negatively regulates both initiations of centrosome duplication and DNA replication.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Centrosome-Signaling Pathway Crosstalk: A Core Hub From Cellular Homeostasis to Disease.Cytoskeleton (Hoboken, N.J.) · 2026Review
- Article
- Coronavirus M protein impairs cilium during early infection by enhancing the AurA-HDAC6 axis.PLoS pathogens · 2025Article
- Hedgehog pathway, cell cycle, and primary cilium.Cell death discovery · 2025Review
- PLK4 as a Key Regulator of Neuroblastoma Differentiation and a Promising Therapeutic Target.International journal of biological sciences · 2025Article
- Phosphorylation of human glioma-associated oncogene 1 on Ser937 regulates Sonic Hedgehog signaling in medulloblastoma.Nature communications · 2024Article
- The phosphorylation of PHF5A by TrkA-ERK1/2-ABL1 cascade regulates centrosome separation.Cell death & disease · 2023Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Centrosome duplication and DNA replication are two pivotal events that higher eukaryotic cells use to initiate proliferation. While DNA replication is initiated through origin licensing, centrosome duplication starts with cartwheel assembly and is partly controlled by CP110. However, the upstream coordinator for both events has been, until now, a mystery. Here, we report that suppressor of fused protein (Sufu), a negative regulator of the Hedgehog (Hh) pathway playing a significant role in restricting the trafficking and function of glioma-related (Gli) proteins, acts as an upstream switch by facilitating CP110 phosphorylation by CDK2, promoting intranuclear Cdt1 degradation and excluding prereplication complex (pre-RC) components from chromosomes, independent of its canonical function in the Hh pathway. We found that Sufu localizes to both the centrosome and the nucleus and that knockout of Sufu induces abnormalities including centrosome amplification, increased nuclear size, multipolar spindle formation, and polyploidy. Serum stimulation promotes the elimination of Sufu from the centrosome by vesicle release at the ciliary tip and from the nucleus via protein degradation, which allows centrosome duplication and DNA replication to proceed. Collectively, this work reveals a mechanism through which Sufu negatively regulates the G1-S transition.
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Registered trials
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