Cited by 53Autophagy in Disease and TherapySkin Protection and AgingTelomeres, Telomerase, and Senescence

MiR-23a-depressed autophagy is a participant in PUVA- and UVB-induced premature senescence

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Zhang, Jia-an, Zhou, Bing-rong, Xu, Yang, Chen, Xu, Liu, Juan, Gozali, Maya, Wu, Di, Yin, Zhi-qiang +1 more·2016·Oncotarget

Abstract

// Jia-an Zhang 1,* , Bing-rong Zhou 1,2,* , Yang Xu 1 , Xu Chen 2,3 , Juan Liu 1 , Maya Gozali 1 , Di Wu 1 , Zhi-qiang Yin 1 and Dan Luo 1 1 Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China 2 Jiangsu Provincial Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, Jiangsu, China 3 Institute of Dermatology, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College (PUMC), Nanjing, Jiangsu, China * These authors have contributed equally to this work Correspondence to: Bing-rong Zhou, email: // Dan Luo, email: // Keywords : autophagy, stress-induced premature senescence, miR-23a, AMBRA1, ultraviolet, Gerotarget Received : September 17, 2015 Accepted : May 05, 2016 Published : May 13, 2016 Abstract Autophagy is a cellular catabolic mechanism that is activated in response to stress conditions, including ultraviolet (UV) irradiation, starvation, and misfolded protein accumulation. Abnormalities in autophagy are associated with several pathologies, including aging and cancer. Furthermore, recent studies have demonstrated that microRNAs (miRNAs) are potent modulators of the autophagy pathway. As a result, the current study aims to elucidate the role of the autophagy-related miRNA miR-23ain the process of photoaging. Experiments demonstrated that the antagomir-mediated inactivation of miR-23a resulted in the stimulation of PUVA- and UVB-depressed autophagy flux and protected human fibroblasts from premature senescence. Furthermore, AMBRA1 was identified as a miR-23a target. AMBRA1 cellular levels increased following the introduction of miR-23a antagomirs. And a bioinformatics analysis revealed that the AMBRA1 3’ UTR contains functional miR-23a responsive sequences. Finally, it was also demonstrated that both AMBRA1 overexpression and Rapamycin treatment were both able to rescue fibroblasts from PUVA and UVB irradiation-induced autophagy inhibition, but that these effects could also be mitigated by miR-23a overexpression. Therefore, this study concludes that miR-23a-regulated autophagy is a novel and important regulator of ultraviolet-induced premature senescence and AMBRA1 is a rate-limiting miRNA target in this pathway.

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  1. [1]Gilchrest BA Photoaging The Journal of investigative dermatology 2013 133 E2 6 23820721

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Authors
Zhang, J.-A., Zhou, B.-R., Xu, Y., Chen, X., Liu, J., Gozali, M., Wu, D., Yin, Z.-Q., & Luo, D.
Affiliations
  • Jiangsu Province Hospital (CN)
  • Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
Corresponding author
Zhang, Jia-an
Venue
Oncotarget
Published
2016-05-13
Volume
7
Issue
25
Pages
37420-37435
ISSN
1949-2553 (ISSN-L)
OpenAlex
W2386447396
Cited by
53
References
36
Citations by year
2025: 3 · 2024: 5 · 2023: 3 · 2022: 4 · 2021: 8 · 2020: 8 · 2019: 9 · 2018: 3 · 2017: 8 · 2016: 2
FWCI
6.88
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Oncotarget (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Government of Jiangsu Province
  • Priority Academic Program Development of Jiangsu Higher Education Institutions
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
miR-23a, autophagy, stress-induced premature senescence, photoaging, PUVA, UV-B radiation, AMBRA1, microRNA, rapamycin, human fibroblasts, 3' untranslated region, antagomir, skin aging, skin aging biomarkers, aging biomarkers
MeSH terms
Antagomirs, Autophagy, Fibroblasts, Humans, Skin, Skin Physiological Phenomena, Transfection, Skin Aging, Cellular Senescence, MicroRNAs, Adaptor Proteins, Signal Transducing

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