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The Plethora of RNA-Protein Interactions Model a Basis for RNA Therapies.
Genes (Basel)
January 2025
Department of Chemistry, The RNA Institute, University at Albany, SUNY, 1400 Washington Ave Extension, Albany, NY 12222, USA.
The notion of RNA-based therapeutics has gained wide attractions in both academic and commercial institutions. RNA is a polymer of nucleic acids that has been proven to be impressively versatile, dating to its hypothesized RNA World origins, evidenced by its enzymatic roles in facilitating DNA replication, mRNA decay, and protein synthesis. This is underscored through the activities of riboswitches, spliceosomes, ribosomes, and telomerases.
View Article and Find Full Text PDFThe maternal X chromosome affects cognition and brain ageing in female mice.
Nature
January 2025
Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA.
Female mammalian cells have two X chromosomes, one of maternal origin and one of paternal origin. During development, one X chromosome randomly becomes inactivated. This renders either the maternal X (X) chromosome or the paternal X (X) chromosome inactive, causing X mosaicism that varies between female individuals, with some showing considerable or complete skew of the X chromosome that remains active.
View Article and Find Full Text PDFExploring CX3CR1 as a prognostic biomarker and immunotherapeutic target in sarcoma.
Transl Oncol
January 2025
The First Affiliated Hospital of Guangxi Medical University, Nanning, China. Electronic address:
Background: Sarcomas (SARC) are a diverse group of malignant tumors originating from mesenchymal tissues, characterized by poor prognosis under conventional therapies. CX3CR1, a chemokine receptor involved in immune cell migration, has emerged as a key player in SARC. Post-translational modifications (PTMs) such as phosphorylation and ubiquitination critically modulate CX3CR1, influencing cancer progression, immune responses, and treatment resistance.
View Article and Find Full Text PDFPrevalent integration of genomic repetitive and regulatory elements and donor sequences at CRISPR-Cas9-induced breaks.
Commun Biol
January 2025
Bioscience Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia.
CRISPR-Cas9 genome editing has been extensively applied in both academia and clinical settings, but its genotoxic risks, including large insertions (LgIns), remain poorly studied due to methodological limitations. This study presents the first detailed report of unintended LgIns consistently induced by different Cas9 editing regimes using various types of donors across multiple gene loci. Among these insertions, retrotransposable elements (REs) and host genomic coding and regulatory sequences are prevalent.
View Article and Find Full Text PDFA new Leydig cell-exclusive Cre line allows lineage tracing of both fetal and adult Leydig cell populations in the mouse.
Endocrinology
January 2025
Reproduction, Mother and Child Health, Centre de recherche du centre hospitalier universitaire de Québec - Université Laval, Québec City, Québec, Canada, G1V 4G2.
Leydig cells produce hormones that are required for male development, fertility, and health. Two Leydig cell populations produce these hormones but at different times during development: fetal Leydig cells which are active during fetal life and adult Leydig cells that are functional postnatally. Historically, our ability to understand the origin and function of Leydig cells has been made difficult by the lack of genetic models to exclusively target these cells.
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