Distinct Stress-Dependent Signatures of Cellular and Extracellular tRNA-Derived Small RNAs.

ABSTRACT: The cellular response to stress is an important determinant of disease pathogenesis. Uncovering the molecular fingerprints of distinct stress responses may identify novel biomarkers and key signaling pathways for different diseases. Emerging evidence shows that transfer RNA-derived small RNAs (tDRs) play pivotal roles in stress responses. However, RNA modifications present on tDRs are barriers to accurately quantifying tDRs using traditional small RNA sequencing. Here, AlkB-facilitated methylation sequencing is used to generate a comprehensive landscape of cellular and extracellular tDR abundances in various cell types during different stress responses. Extracellular tDRs are found to have distinct fragmentation signatures from intracellular tDRs and these tDR signatures are better indicat

SUBMITTER: Li G 

PROVIDER: S-EPMC9189662 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature