Evidence map›Paper›PMID 32666649›Full record

ArticleAging cell2020

Aging shifts mitochondrial dynamics toward fission to promote germline stem cell loss.

Oyundari Amartuvshin, Chi-Hung Lin, Shao-Chun Hsu, Shih-Han Kao, Alvin Chen, Wei-Chun Tang, Han-Lin Chou, Dong-Lin Chang, Yen-Yang Hsu, Bai-Shiou Hsiao and 7 more

Open access · goldAbstract read
In one paragraph

Article in Aging cell, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
4.0field-weighted citation impact, top 5% 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

52 citing papers in PubMed, 74 citations in OpenAlex.

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  10. Metabolic Regulation in the Maintenance ofInternational journal of molecular sciences · 2026
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  13. Ceramide as a Biomarker for HFpEF in Women: Menopause, Aging, and Pregnancy.International journal of molecular sciences · 2025
    Review
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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

17 authors at 4 institutions in 1 country.

Oyundari AmartuvshinMolecular and Cell Biology, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan.ORCID 0000-0003-0626-8350
Chi-Hung LinInstitute of Cellular and Organismic Biology, Taipei, Taiwan.ORCID 0000-0002-5511-3286
Shao-Chun HsuImaging Core Facility at the Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan.
Shih-Han KaoInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Alvin ChenInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Wei-Chun TangResearch Center for Applied Science, Academia Sinica, Taipei, Taiwan.
Han-Lin ChouInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Dong-Lin ChangInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Yen-Yang HsuInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Bai-Shiou HsiaoInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Elham RastegariInstitute of Cellular and Organismic Biology, Taipei, Taiwan.
Kun-Yang LinInstitute of Cellular and Organismic Biology, Taipei, Taiwan.ORCID 0000-0002-6197-3995
Yu-Ting WangMolecular and Cell Biology, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan.
Chi-Kuang YaoInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.
Guang-Chao ChenInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.
Bi-Chang ChenResearch Center for Applied Science, Academia Sinica, Taipei, Taiwan.
Hwei-Jan HsuMolecular and Cell Biology, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan.ORCID 0000-0001-7892-2310
Institute of Cellular and Organismic Biology, Academia Sinica · TWNational Taiwan Normal University · TWInstitute of Biological Chemistry, Academia Sinica · TWResearch Center for Applied Science, Academia Sinica · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Changes in mitochondrial dynamics (fusion and fission) are known to occur during stem cell differentiation; however, the role of this phenomenon in tissue aging remains unclear. Here, we report that mitochondrial dynamics are shifted toward fission during aging of Drosophila ovarian germline stem cells (GSCs), and this shift contributes to aging-related GSC loss. We found that as GSCs age, mitochondrial fragmentation and expression of the mitochondrial fission regulator, Dynamin-related protein (Drp1), are both increased, while mitochondrial membrane potential is reduced. Moreover, preventing mitochondrial fusion in GSCs results in highly fragmented depolarized mitochondria, decreased BMP stemness signaling, impaired fatty acid metabolism, and GSC loss. Conversely, forcing mitochondrial elongation promotes GSC attachment to the niche. Importantly, maintenance of aging GSCs can be enhanced by suppressing Drp1 expression to prevent mitochondrial fission or treating with rapamycin, which is known to promote autophagy via TOR inhibition. Overall, our results show that mitochondrial dynamics are altered during physiological aging, affecting stem cell homeostasis via coordinated changes in stemness signaling, niche contact, and cellular metabolism. Such effects may also be highly relevant to other stem cell types and aging-induced tissue degeneration.

Indexed as

Adult Germline Stem CellsAnimalsCell DifferentiationCell ProliferationDrosophilaFemaleMaleMitochondrial DynamicsSignal TransductionStem CellsBMPDrp1GSCMarfmitochondrial fissionmitochondrial fusion

Identifiers

PMID32666649
PMCPMC7431834
OpenAlexW3043370561

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.