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The Oxidoreductase Retinol Saturase in Thyroid Gland Is Regulated by Hypothyroidism and Iodide Overload and Its Deletion Impairs Metabolic Homeostasis in Mice.
Antioxid Redox Signal
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Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.
Thyroid hormones (TH) are major regulators of cell differentiation, growth, and metabolic rate. TH synthesis in the thyroid gland requires high amounts of HO to oxidize iodide for the iodination of thyroglobulin (TG). Retinol Saturase (RetSat) is an oxidoreductase implicated in dihydroretinol formation and cellular sensitivity toward peroxides and ferroptosis.
View Article and Find Full Text PDFBetacoronavirus internal protein: role in immune evasion and viral pathogenesis.
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January 2025
Center for Virus-Host Innate Immunity, Rutgers New Jersey Medical School, Newark, New Jersey, USA.
Betacoronaviruses express a small internal (I) protein that is encoded by the same subgenomic RNA (sgRNA) as the nucleocapsid (N) protein. Translation of the +1 reading frame of the N sgRNA through leaky ribosomal scanning leads to expression of the I protein. The I protein is an accessory protein reported to evade host innate immune responses during coronavirus infection.
View Article and Find Full Text PDFSeryl-tRNA synthetase inhibits Wnt signaling and breast cancer progression and metastasis.
FASEB J
January 2025
Department of Molecular Medicine, Scripps Research Institute, La Jolla, California, USA.
Tumors require ample protein synthesis to grow, and aminoacyl-tRNA synthetases, as critical translation factors, are expected to support cancer progression. Unexpectedly, overexpression of seryl-tRNA synthetase (SerRS) suppresses primary tumor growth of breast cancer. However, the effects of SerRS on metastasis have not been studied.
View Article and Find Full Text PDFReduced White Matter Damage and Lower Neuroinflammatory Potential of Microglia and Macrophages in Hri/Eif2ak1 Mice After Contusive Spinal Cord Injury.
Glia
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Kentucky Spinal Cord Injury Research Center, University of Louisville, School of Medicine, Louisville, Kentucky, USA.
Cellular stressors inhibit general protein synthesis while upregulating stress response transcripts and/or proteins. Phosphorylation of the translation factor eIF2α by one of the several stress-activated kinases is a trigger for such signaling, known as the integrated stress response (ISR). The ISR regulates cell survival and function under stress.
View Article and Find Full Text PDFuORF-targeting steric block antisense oligonucleotides do not reproducibly increase RNASEH1 expression.
Mol Ther Nucleic Acids
March 2025
Department of Paediatrics, University of Oxford, Headington, Oxford OX3 7TY, UK.
Upstream open reading frames (uORFs) are -regulatory motifs that are predicted to occur in the 5' UTRs of the majority of human protein-coding transcripts and are typically associated with translational repression of the downstream primary open reading frame (pORF). Interference with uORF activity provides a potential mechanism for targeted upregulation of the expression of specific transcripts. It was previously reported that steric block antisense oligonucleotides (ASOs) can bind to and mask uORF start codons to inhibit translation initiation, and thereby disrupt uORF-mediated gene regulation.
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