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Oncogenic IDH1 drives robust loss of histone acetylation and increases chromatin heterogeneity.
Proc Natl Acad Sci U S A
January 2025
Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot 7610001, Israel.
Malignant gliomas are heterogeneous tumors, mostly incurable, arising in the central nervous system (CNS) driven by genetic, epigenetic, and metabolic aberrations. Mutations in isocitrate dehydrogenase (IDH1/2) enzymes are predominantly found in low-grade gliomas and secondary high-grade gliomas, with IDH1 mutations being more prevalent. Mutant-IDH1/2 confers a gain-of-function activity that favors the conversion of a-ketoglutarate (α-KG) to the oncometabolite 2-hydroxyglutarate (2-HG), resulting in an aberrant hypermethylation phenotype.
View Article and Find Full Text PDFShort communication: Upregulation of hypoxia/reoxygenation-induced Shc3 by downregulated miR-455-5p, suppresses trophoblast invasion and is associated with placental inflammation and angiogenesis in preeclampsia.
PLoS One
January 2025
Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.
Preeclampsia is characterized by insufficient invasion of extravillous trophoblasts and is a consequence of failed adaption of extravillous trophoblasts to changes in the intrauterine environment developing embryo. Specific miRNAs are implicated in the development of preeclampsia (PE). miR-455-5p is present at low levels in PE but its role is not known.
View Article and Find Full Text PDFBushen-Huoxue-Mingmu-Formula attenuates pressurization-induced retinal ganglion cell damage by reducing mitochondrial autophagy through the inhibition of the Pink1/Parkin pathway.
Medicine (Baltimore)
January 2025
Opthalmology, Chongqing Hechuan District People's Hospital, Chongqing, China.
Background: Bushen-Huoxue-Mingmu-Formula (MMF) has achieved definite clinical efficacy. However, its mechanism is still unclear.
Objective: Investigating the molecular mechanism of MMF to protect retinal ganglion cells (RGCs).
Previous short-term disuse dictates muscle gene expression and physiological adaptations to subsequent resistance exercise.
J Physiol
January 2025
Department of Biomedical Sciences, University of Padova, Padova, Italy.
Short-term unloading experienced following injury or hospitalisation induces muscle atrophy and weakness. The effects of exercise following unloading have been scarcely investigated. We investigated the functional and molecular adaptations to a resistance training (RT) programme following short-term unloading.
View Article and Find Full Text PDFLong-term effects of linear versus macrocyclic GBCAs on gene expression in the central nervous system of mice.
Eur Radiol Exp
January 2025
Laboratory of Molecular Imaging, Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Background: We examined chronic gadolinium retention impact on gene expression in the mouse central nervous system (CNS) after injection of linear or macrocyclic gadolinium-based contrast agents (GBCAs).
Methods: From 05/2022 to 07/2023, 36 female mice underwent weekly intraperitoneal injections of gadodiamide (2.5 mmol/kg, linear), gadobutrol (2.
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