Cited by 98Mesenchymal stem cell researchTelomeres, Telomerase, and SenescenceCircadian rhythm and melatonin

Melatonin Suppresses Senescence-derived Mitochondrial Dysfunction in Mesenchymal Stem Cells via the HSPA1L–Mitophagy Pathway

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Lee, Jun Hee, Yoon, Yeo Min, Song, Keon‐Hyoung, Noh, Hyunjin, Lee, Sang Hun·2020·Aging Cell

Abstract

Mesenchymal stem cells (MSCs) are a popular cell source for stem cell‐based therapy. However, continuous ex vivo expansion to acquire large amounts of MSCs for clinical study induces replicative senescence, causing decreased therapeutic efficacy in MSCs. To address this issue, we investigated the effect of melatonin on replicative senescence in MSCs. In senescent MSCs (late passage), replicative senescence decreased mitophagy by inhibiting mitofission, resulting in the augmentation of mitochondrial dysfunction. Treatment with melatonin rescued replicative senescence by enhancing mitophagy and mitochondrial function through upregulation of heat shock 70 kDa protein 1L (HSPA1L). More specifically, we found that melatonin‐induced HSPA1L binds to cellular prion protein (PrP C ), resulting in the recruitment of PrP C into the mitochondria. The HSPA1L‐PrP C complex then binds to COX4IA, which is a mitochondrial complex IV protein, leading to an increase in mitochondrial membrane potential and anti‐oxidant enzyme activity. These protective effects were blocked by knockdown of HSPA1L. In a murine hindlimb ischemia model, melatonin‐treated senescent MSCs enhanced functional recovery by increasing blood flow perfusion, limb salvage, and neovascularization. This study, for the first time, suggests that melatonin protects MSCs against replicative senescence during ex vivo expansion for clinical application via mitochondrial quality control.

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  • Melatonin reduces oxidative stress and replicative senescence by enhancing autophagy, activating AMPK/FOXO3 pathways, and increasing mitochondrial membrane potential, both in vitro and in vivo.

    “In this respect, melatonin has been proven capable of reducing oxidative stress and replicative senescence by enhancing autophagy, activating AMPK/FOXO3 pathways and increasing mitochondrial membrane potential, both in vitro and in vivo [455,456,457].”

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Authors
Lee, J. H., Yoon, Y. M., Song, K., Noh, H., & Lee, S. H.
Affiliations
Soonchunhyang University (KR)
Corresponding author
Lee, Sang Hun
Venue
Aging Cell
Publisher
Wiley
Published
2020-01-22
Volume
19
Issue
3
Pages
e13111-e13111
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W3001117654
Cited by
97
References
45
Citations by year
2026: 5 · 2025: 9 · 2024: 14 · 2023: 23 · 2022: 20 · 2021: 16 · 2020: 10
FWCI
8.93
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Research Foundation of Korea (NRF‐2016R1D1A3B04933480, NRF‐2017M3A9B4032528)
Topics
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
Keywords
melatonin, replicative senescence, mesenchymal stem cells, mitochondrial dysfunction, mitophagy, HSPA1L, cellular prion protein, mitochondrial quality control, mitochondrial complex IV, mitochondrial membrane potential, antioxidant enzymes, hindlimb ischemia, neovascularization, ex vivo expansion
MeSH terms
Animals, Cells, Cultured, Disease Models, Animal, Humans, Ischemia, Male, Melatonin, Mice, Inbred BALB C, Mice, Nude, Mitochondria, Signal Transduction, Cellular Senescence, HSP70 Heat-Shock Proteins, Protective Agents, Mice, Membrane Potential, Mitochondrial, Gene Knockdown Techniques, Mesenchymal Stem Cells, Mitophagy

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