Transfer RNAs are the adaptors in protein synthesis that provide the key link between the nucleic acid-based genetic blueprint and proteins. While the central role of tRNAs in protein synthesis has been known for over 60 years, recent discoveries of their many non-canonical functions and therapeutic potential have heightened interest in tRNAs. In this thematic series, we highlight some of the developments presented at the recent biennial "International tRNA Workshop". The topics chosen reflect advances that were enabled by the latest technological breakthroughs in structure determination and small RNA sequencing and emphasize the prospects and challenges of tRNA-based medicines to treat human diseases.
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http://dx.doi.org/10.1016/j.jbc.2023.105170 | DOI Listing |
Cell Mol Biol Lett
January 2025
Clinical Research Center, Jiading District Central Hospital Affiliated to Shanghai University of Medicine and Health Sciences, Shanghai, 201800, China.
Background: Circular (circ)RNAs have emerged as crucial contributors to cancer progression. Nonetheless, the expression regulation, biological functions, and underlying mechanisms of circRNAs in mediating hepatocellular carcinoma (HCC) progression remain insufficiently elucidated.
Methods: We identified circUCK2(2,3) through circRNA sequencing, RT-PCR, and Sanger sequencing.
Anal Chem
January 2025
Synthetic Molecule Design and Development, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, Indiana 46285, United States.
Single-stranded guide RNAs (sgRNAs) are important therapeutic modalities that facilitate selective genome editing by the CRISPR/Cas9 system. While these therapeutic modalities are synthesized through solid phase oligonucleotide synthesis similar to small interfering RNA (siRNAs) and antisense oligonucleotide (ASOs) therapeutics, their sequence length and complex secondary and tertiary structure hinder analytical characterization. The resulting current sgRNA methodologies have limited chromatographic selectivity near the FLP and limited MS compatibility.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
February 2025
Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada.
The ionizable lipid component of lipid nanoparticle (LNP) formulations is essential for mRNA delivery by facilitating endosomal escape. Conventionally, these lipids are synthesized through complex, multistep chemical processes that are both time-consuming and require significant engineering. Furthermore, the development of new ionizable lipids is hindered by a limited understanding of the structure-activity relationships essential for effective mRNA delivery.
View Article and Find Full Text PDFAppl Microbiol Biotechnol
January 2025
Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark.
One strategy for CO mitigation is using photosynthetic microorganisms to sequester CO under high concentrations, such as in flue gases. While elevated CO levels generally promote growth, excessively high levels inhibit growth through uncertain mechanisms. This study investigated the physiology of the cyanobacterium Synechocystis sp.
View Article and Find Full Text PDFJ Insect Sci
January 2025
ZooLab, Department of Biodiversity and Ecology, Plant Science and Biodiversity Centre, Slovak Academy of Sciences, Bratislava, Slovakia.
Mitochondrial genomes are a rich source of data for various downstream analyses such as population genetics, phylogeny, and systematics. Today it is possible to assemble rapidly large numbers of mitogenomes, mainly employing next-generation sequencing and third-generation sequencing. However, verification of the correctness of the generated sequences is often lacking, especially for noncoding, length-variable parts.
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