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Temporal and regional X-linked gene reactivation in the mouse germline reveals site-specific retention of epigenetic silencing.
Nat Struct Mol Biol
January 2025
IGMM, University of Montpellier, CNRS, Montpellier, France.
Random X-chromosome inactivation is a hallmark of female mammalian somatic cells. This epigenetic mechanism, mediated by the long noncoding RNA Xist, occurs in the early embryo and is stably maintained throughout life, although inactivation is lost during primordial germ cell (PGC) development. Using a combination of single-cell allele-specific RNA sequencing and low-input chromatin profiling on developing mouse PGCs, we provide a detailed map of X-linked gene reactivation.
View Article and Find Full Text PDFThe Histone Lysine Demethylase KDM7A Contributes to Reward Memory via Fscn1-Induced Synaptic Plasticity in the Medial Prefrontal Cortex.
Adv Sci (Weinh)
January 2025
College of Forensic Medicine, Key Laboratory of National Health Commission for Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, China.
Lysine demethylase 7A (KDM7A) catalyzes the removal of dimethylation from histone H3 lysine 9 and lysine 27, both of which are associated with transcription repression. Previous study indicates that Kdm7a mRNA in the medial prefrontal cortex (mPFC) increases after drug exposure, yet its role in drug-related behaviors is largely unknown. In a morphine-conditioned place preference (CPP) paradigm, these findings reveal a specific increase of Kdm7a expression in the mPFC 7 days after drug withdrawal.
View Article and Find Full Text PDFMultiple-Signal Amplification Strategy to Fabricate an Ultrasensitive Electrochemiluminescence Magnetic Immunosensor for Detecting Biomarkers of Alzheimer's Disease via Iridium-Based Self-Enhancing Nanoemitters.
ACS Sens
January 2025
School of Chemistry and Life Sciences, Jiangsu Key Laboratory for Environmental Functional Materials, Suzhou University of Science and Technology, Suzhou, Jiangsu 215009, China.
Alzheimer's disease (AD) is characterized by progressive memory loss and cognitive decline, significantly impairing the daily life of elderly individuals. The low abundance of blood-based biomarkers in AD necessitates higher analytical technique requirements. Herein, one novel iridium-based ECL self-enhanced nanoemitter (TPrA@Ir-SiO) was unprecedentedly reported, and it was further used to construct an ultrasensitive ECL magnetic immunosensor by a multiple-signal amplification strategy to unequally sensitively and accurately detect the AD blood-based biomarker (P-tau181) in this work.
View Article and Find Full Text PDFIntegrating bioinformatics and machine learning to identify AhR-related gene signatures for prognosis and tumor microenvironment modulation in melanoma.
Front Immunol
January 2025
Division of Child Healthcare, Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Background: The Aryl Hydrocarbon Receptor (AhR) pathway significantly influences immune cell regulation, impacting the effectiveness of immunotherapy and patient outcomes in melanoma. However, the specific downstream targets and mechanisms by which AhR influences melanoma remain insufficiently understood.
Methods: Melanoma samples from The Cancer Genome Atlas (TCGA) and normal skin tissues from the Genotype-Tissue Expression (GTEx) database were analyzed to identify differentially expressed genes, which were intersected with a curated list of AhR-related pathway genes.
Acute effects of virtual reality exercise bike games on psychophysiological outcomes in college North-African adolescents with cerebral palsy: A randomized clinical trial.
F1000Res
January 2025
Exercise Physiology and Rehabilitation Laboratory, University of Picardy Jules Verne, Amiens, Hauts-de-France, France.
Background: Cerebral palsy (CP) is a neurological disorder that can affect motor skills and psychophysiological well-being. Virtual Reality Exercise (VRE) improves cognitive and physical outcomes in patients with CP. Therefore, this study aimed to investigate the effects of VRE on attention, vigor, and decision-making abilities in adolescents with CP.
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