Evidence map›Paper›PMID 30416048›Full record

ArticleStem cell reports2018

The Ubiquitin-Proteasome System Is Indispensable for the Maintenance of Muscle Stem Cells.

Yasuo Kitajima, Naoki Suzuki, Aki Nunomiya, Shion Osana, Kiyoshi Yoshioka, Yoshitaka Tashiro, Ryosuke Takahashi, Yusuke Ono, Masashi Aoki, Ryoichi Nagatomi

Open access · goldAbstract read
In one paragraph

Article in Stem cell reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
3.2field-weighted citation impact, top 7% 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

35 citing papers in PubMed, 72 citations in OpenAlex.

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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

10 authors at 5 institutions in 1 country.

Yasuo KitajimaMusculoskeletal Molecular Biology Research Group, Nagasaki University Graduate School of Biomedical Sciences, Basic and Translational Research Center for Hard Tissue Disease, 1-7-1 Sakamoto, Sakamoto, Nagasaki 852-8588, Japan; Japan Society for the Promotion of Science, Tokyo, Japan. Electronic address: yasuo.kitajima1108@gmail.com.
Naoki SuzukiDepartment of Neurology, Tohoku University School of Medicine, Sendai, Japan.
Aki NunomiyaDivision of Biomedical Engineering for Health and Welfare, Tohoku University Graduate School of Biomedical Engineering, 2-1 Seiryomachi, Aoba-ku, Sendai 980-8575, Japan.
Shion OsanaDivision of Biomedical Engineering for Health and Welfare, Tohoku University Graduate School of Biomedical Engineering, 2-1 Seiryomachi, Aoba-ku, Sendai 980-8575, Japan.
Kiyoshi YoshiokaMusculoskeletal Molecular Biology Research Group, Nagasaki University Graduate School of Biomedical Sciences, Basic and Translational Research Center for Hard Tissue Disease, 1-7-1 Sakamoto, Sakamoto, Nagasaki 852-8588, Japan.
Yoshitaka TashiroDepartment of Aging Neurobiology, National Center for Geriatrics and Gerontology, Obu City, Japan.
Ryosuke TakahashiDepartment of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Yusuke OnoMusculoskeletal Molecular Biology Research Group, Nagasaki University Graduate School of Biomedical Sciences, Basic and Translational Research Center for Hard Tissue Disease, 1-7-1 Sakamoto, Sakamoto, Nagasaki 852-8588, Japan. Electronic address: yusuke-ono@nagasaki-u.ac.jp.
Masashi AokiDepartment of Neurology, Tohoku University School of Medicine, Sendai, Japan.
Ryoichi NagatomiDivision of Biomedical Engineering for Health and Welfare, Tohoku University Graduate School of Biomedical Engineering, 2-1 Seiryomachi, Aoba-ku, Sendai 980-8575, Japan. Electronic address: nagatomi@med.tohoku.ac.jp.
Tohoku University · JPNagasaki University · JPJapan Society for the Promotion of Science · JPKyoto University · JPNational Center for Geriatrics and Gerontology · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adult muscle stem cells (satellite cells) are required for adult skeletal muscle regeneration. A proper balance between quiescence, proliferation, and differentiation is essential for the maintenance of the satellite cell pool and their regenerative function. Although the ubiquitin-proteasome is required for most protein degradation in mammalian cells, how its dysfunction affects tissue stem cells remains unclear. Here, we investigated the function of the proteasome in satellite cells using mice lacking the crucial proteasomal component, Rpt3. Ablation of Rpt3 in satellite cells decreased proteasome activity. Proteasome dysfunction in Rpt3-deficient satellite cells impaired their ability to proliferate, survive and differentiate, resulting in defective muscle regeneration. We found that inactivation of proteasomal activity induced proliferation defects and apoptosis in satellite cells. Mechanistically, insufficient proteasomal activity upregulated the p53 pathway, which caused cell-cycle arrest. Our findings delineate a critical function of the proteasome system in maintaining satellite cells in adult muscle.

Indexed as

AnimalsApoptosisCell ProliferationCells, CulturedMiceMice, KnockoutMuscle, SkeletalPhenotypeProteasome Endopeptidase ComplexRegenerationSatellite Cells, Skeletal MuscleStem CellsTumor Suppressor Protein p53UbiquitinProteasome Endopeptidase ComplexTumor Suppressor Protein p53Ubiquitindifferentiation defectmuscle regenerationmuscle satellite cellsmuscle stem cellsp53proliferation defectproteasome dysfunctionproteolysisRpt3skeletal muscle

Identifiers

PMID30416048
PMCPMC6294073
OpenAlexW2900402493

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.