Cited by 72Extracellular vesicles in diseaseTelomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model Organisms

Effect of young exosomes injected in aged mice

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Lee, Bo-Ram, Kim, Jung-Hee, Choi, Eun-Sook, Cho, Jung Hoon, Kim, Eunjoo·2018·International Journal of Nanomedicine

Abstract

Introduction: Exosomes, nano-sized extracellular vesicles, are known to circulate through the blood stream to transfer molecular signals from tissue to tissue. Methods: To determine whether exosomes affect aging in animals, we primarily identified the changes in exosomal miRNA contents during the aging process. In exosomes from 12-month-old mice, mmu-miR-126-5p and mmu-miR-466c-5p levels were decreased and mmu-miR-184-3p and mmu-miR-200b-5p levels were increased significantly compared with those of 3-month-old mice. Their levels in exosomes were partially correlated with those in tissues: levels of only mmu-miR-126-5p and mmu-miR-466c-5p in lungs and/or liver were decreased, but those of mmu-miR-184-3p and mmu-miR-200b-5p in tissues did not coincide with those of exosomes. Results and discussion: In the aged tissues injected with young exosomes isolated from serum, mmu-miR-126b-5p levels were reversed in the lungs and liver. Expression changes in aging-associated molecules in young exosome-injected mice were obvious: p16 Ink4A , MTOR, and IGF1R were significantly downregulated in the lungs and/or liver of old mice. In addition, telomerase-related genes such as Men1 , Mre11a , Tep1 , Terf2 , Tert , and Tnks were significantly upregulated in the liver of old mice after injection of young exosomes. Conclusion: These results indicate that exosomes from young mice could reverse the expression pattern of aging-associated molecules in aged mice. Eventually, exosomes may be used as a novel approach for the treatment and diagnosis of aging animals. Keywords: exosome, injection, reverse aging, telomerase, biomarker, molecular therapy

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  • Injection of 3-month-old mice blood EVs to 18-month-old mice reverses the expression of aging-associated biomarkers.

    “the injection of 3-month-old mice blood EVs to 18-month-old mice reversed the expression aging-associated biomarkers”

    From Skeletal Muscle-Released Extracellular Vesicles: State of the Art (2019) · cites this paper as Lee et al., 2018

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Authors
Lee, B.-R., Kim, J.-H., Choi, E.-S., Cho, J. H., & Kim, E.
Affiliations
  • Daegu Gyeongbuk Institute of Science and Technology (KR)
  • Pohang University of Science and Technology (KR)
Corresponding author
Kim, Eunjoo
Venue
International Journal of Nanomedicine
Published
2018-09
Volume
Volume 13
Pages
5335-5345
ISSN
  • 1176-9114 (ISSN-L)
  • 1178-2013
OpenAlex
W2890285413
Cited by
72
References
43
Citations by year
2026: 5 · 2025: 11 · 2024: 13 · 2023: 10 · 2022: 13 · 2021: 7 · 2020: 8 · 2019: 5
FWCI
1.78
Type
journal article
Language
en
Open access
Locations
  • International Journal of Nanomedicine (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Dove Medical Press (Taylor and Francis Group) (submittedVersion, cc-by-nc)
Funders
  • Daegu Gyeongbuk Institute of Science and Technology (18-BT-02, 18-LC-01)
  • Ministry of Science and ICT, South Korea
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
exosomes, aging, extracellular vesicles, microRNA, reverse aging, telomerase, p16INK4a, mTOR, IGF-1 receptor, lung aging, liver aging, biomarkers, anti-aging therapy
MeSH terms
Aging, Animals, Injections, Liver, Lung, Male, Mice, Inbred C57BL, Down-Regulation, Telomerase, Gene Expression Profiling, MicroRNAs, Exosomes

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