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Article Abstract
The prevalent use of light-emitting diodes (LEDs) has caused revolutionary changes in modern life, but the potential hazards to health of blue light are poorly understood. N-methyladenosine (mA) is the most prevalent posttranscriptional modification in eukaryotes and can modulate diverse physiological processes by regulating mRNA fate. Here, to understand the effects and molecular mechanisms of daily low-intensity blue light exposure (BLE) and ascertain whether mA methylation plays a role in BLE-induced phenotypes, we constructed a series of models under different durations of daily low-intensity BLE and obtained multiomics profiles. Our results revealed that BLE could induce transcriptomic, mA epitranscriptomic, and metabolomic reprogramming in along with aging process. Importantly, the mA methylation sites enriched in the 5' untranslated regions (UTRs) of transcripts showed strong age specificity and could be altered by BLE. We experimentally validated that aging-related gene and circadian rhythm-related gene were regulated by 5' UTR-enriched mA methylation. Overall, our study provides a systematic assessment of mA RNA methylome reprogramming by BLE and aging in model.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10697416 | PMC |
| http://dx.doi.org/10.1093/pnasnexus/pgad390 | DOI Listing |
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