ArticleNon-coding RNA research2025
5'tiRNA-Glu-TTC targets TRPV3 and activates the PI3K/AKT signaling pathway to modulate skin photoaging.
Article in Non-coding RNA research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed.
- Transfer RNA Fragments in Diseases of Sensory Organs.International journal of molecular sciences · 2026Review
- Dual modes of action: direct regulation and ceRNA-mediated mechanisms of ncRNAs in dermal fibroblast senescence.Frontiers in cell and developmental biology · 2026Review
- The Emerging Role of tRNA-Derived Small RNAs (tsRNAs) in Radiation-Induced Cardiovascular PathologyEndocrine, metabolic & immune disorders drug targets · 2026Review
- A specific tsRNA in serum from patients with nasopharyngeal carcinoma: 5'tiRNA-32-ValAAC-2 mediates malignance of nasopharyngeal carcinoma cells.Frontiers of medicine · 2025Article
- Fibroblast PI3K/AKT signaling and extracellular matrix homeostasis: mechanisms, targets, and delivery challenges.Frontiers in cell and developmental biology · 2025Review
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
tRNA-derived small RNAs (tsRNAs), a class of non-coding RNAs (ncRNAs), have garnered increasing research interest for their potential roles in various biological processes. Among these, 5'tiRNA-Glu-TTC has been implicated in aging, but its role in skin photoaging remains elusive. This study aimed to elucidate the impact of 5'tiRNA-Glu-TTC on skin photoaging. RT-qPCR analysis revealed that 5'tiRNA-Glu-TTC expression increased in human dermal fibroblasts (HDFs), human skin tissues, and mouse skin tissues following UVB irradiation. In HDFs, transfection of a 5'tiRNA-Glu-TTC mimic induced photoaging phenotypes, while its inhibitor alleviated UVB-induced photoaging. This study found that 5'tiRNA-Glu-TTC participates in photoaging through binding to TRPV3. Overexpression of TRPV3 rescued the photoaging effects induced by the 5'tiRNA-Glu-TTC mimic. Furthermore, 5'tiRNA-Glu-TTC influences photoaging also by activating the PI3K/AKT signaling pathway, an effect that was reversed by TRPV3 overexpression. In vivo studies in nude mice showed that intradermal injection of 5'tiRNA-Glu-TTC adeno-associated virus alleviated UVB-induced skin aging phenotypes, including epidermal thickening, dermal collagen reduction, and increased transepidermal water loss (TEWL). Collectively, our findings demonstrate that 5'tiRNA-Glu-TTC mediates photoaging by targeting TRPV3 and activating the PI3K/AKT pathway.
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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.