In this issue, Li et al. report internal mRNA 2'-O-methyl (Nm) modification mapping by nanopore sequencing and the effect of Nm on mRNA stability and cancer cell progression.
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| http://dx.doi.org/10.1016/j.molcel.2024.05.020 | DOI Listing |
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Unlocking a Decade of Research on Embryo-Derived Extracellular Vesicles: Discoveries Made and Paths Ahead.
Stem Cell Rev Rep
January 2025
Department of Internal Medicine, Reproduction and Population Health, Faculty of Veterinary Medicine, University of Ghent, Salisburylaan 133, Merelbeke, B-9820, Belgium.
Over the past decade, research on embryo-derived extracellular vesicles (EVs) has unveiled their critical roles in embryonic development and intercellular communication. EVs secreted by embryos are nanoscale lipid bilayer vesicles that carry bioactive cargo, including proteins, lipids, RNAs, and DNAs, reflecting the physiological state of the source cells. These vesicles facilitate paracrine and autocrine signaling, influencing key processes such as cell differentiation, embryo viability, and endometrial receptivity.
View Article and Find Full Text PDFApigenin inhibits NLRP3 inflammasome activation in monocytes and macrophages independently of CD38.
Front Immunol
January 2025
Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet and University of Oslo, Oslo, Norway.
Introduction: CD38, a regulator of intracellular calcium signalling, is highly expressed in immune cells. Mice lacking CD38 are very susceptible to acute bacterial infections, implicating CD38 in innate immune responses. The effects of CD38 inhibition on NLRP3 inflammasome activation in human primary monocytes and monocyte-derived macrophages have not been investigated.
View Article and Find Full Text PDFGRK5 is required for adipocyte differentiation through ERK activation.
Int J Obes (Lond)
January 2025
Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University School of Medicine, Winston Salem, NC, 27101, USA.
Previous studies have identified G protein-coupled receptor (GPCR) kinase 5 (GRK5) as a genetic factor contributing to obesity pathogenesis, but the underlying mechanism remains unclear. We demonstrate here that Grk5 mRNA is more abundant in stromal vascular fractions of mouse white adipose tissue, the fraction that contains adipose progenitor cells, or committed preadipocytes, than in adipocyte fractions. Thus, we generated a GRK5 knockout (KO) 3T3-L1 preadipocyte to further investigate the mechanistic role of GRK5 in regulating adipocyte differentiation.
View Article and Find Full Text PDFDistinct response patterns of endothelial markers to the BNT162b2 mRNA COVID-19 booster vaccine are associated with the spike-specific IgG antibody production.
Front Immunol
January 2025
Faculty of Medicine, University of Castilla-La Mancha, Albacete, Spain.
Introduction: Despite the efficacy and safety of SARS-CoV-2 vaccines, inflammatory and/or thrombotic episodes have been reported. Since the impact of COVID-19 vaccines on the endothelium remains uncertain, our objective was to assess endothelial activation status before and 90 days after the third dose of the BNT162b2 mRNA COVID-19 vaccine.
Methods: A prospective longitudinal study was conducted at University General Hospital of Albacete, involving 38 healthy health-care workers.
and mRNA expression-based risk stratification of acute Myeloid Leukemia.
Leuk Res Rep
December 2024
Independent Researcher, Gimpo-si, Gyeonggi-do 10090, South Korea.
Prognostication of acute myeloid leukemia (AML) at initial diagnosis relies on identification of pre-determined underlying genetic abnormalities. Nevertheless, the disease course of AML remains highly unpredictable and robust reliable prognostic biomarkers for newly diagnosed AML are lacking. We retrospectively explored two publicly available AML RNA-Seq datasets and found that inferior overall survival was associated with high- and low- transcript levels (" / ") compared to low- and high- transcript levels (" / ") in adult AML patients, with a hazard ratio for death of at least 2.
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