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First Indonesian Nasopharyngeal Cancer Whole Epigenome Sequencing Identify Tumour Suppressor CpG Methylation.
Biologics
January 2025
Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
Introduction: Nasopharyngeal cancer (NPC) is a multifaceted disease characterized by genetic and epigenetic modifications. While Epstein-Barr virus (EBV) infection is a known risk factor, recent studies highlight the significant role of DNA methylation in NPC pathogenesis. Aberrant methylation, particularly at CpG sites, can silence tumour suppressor genes, promoting uncontrolled cell growth.
View Article and Find Full Text PDFProspective association of changes in (poly)phenol intake, body weight and physical activity with inflammatory profile.
Nutr Metab Cardiovasc Dis
December 2024
Unit of Nutrition and Cancer, Cancer Epidemiology Research Programme, Catalan Institute of Oncology (ICO), Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.
Backgrounds And Aim: To prospectively evaluate the associations between changes in (poly)phenol intake, body weight(BW), and physical activity(PA) with changes in an inflammatory score after 1-year.
Methods And Results: This is a prospective observational analysis involving 484 participants from the PREDIMED-Plus with available inflammatory measurements. (Poly)phenol intake was estimated using a validated semi-quantitative food frequency questionnaire and the Phenol-Explorer database.
Increased local DNA methylation disorder in AMLs with DNMT3A-destabilizing variants and its clinical implication.
Nat Commun
January 2025
Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.
The mechanistic link between the complex mutational landscape of de novo methyltransferase DNMT3A and the pathology of acute myeloid leukemia (AML) has not been clearly elucidated so far. Motivated by a recent discovery of the significance of DNMT3A-destabilizing mutations (DNMT3A) in AML, we here investigate the common characteristics of DNMT3A AML methylomes through computational analyses. We present that methylomes of DNMT3A AMLs are considerably different from those of DNMT3A AMLs in that they exhibit increased intratumor DNA methylation heterogeneity in bivalent chromatin domains.
View Article and Find Full Text PDFMapping the developmental trajectory of human astrocytes reveals divergence in glioblastoma.
Nat Cell Biol
January 2025
Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA.
Glioblastoma (GBM) is defined by heterogeneous and resilient cell populations that closely reflect neurodevelopmental cell types. Although it is clear that GBM echoes early and immature cell states, identifying the specific developmental programmes disrupted in these tumours has been hindered by a lack of high-resolution trajectories of glial and neuronal lineages. Here we delineate the course of human astrocyte maturation to uncover discrete developmental stages and attributes mirrored by GBM.
View Article and Find Full Text PDFA rare PRIMER cell state in plant immunity.
Nature
January 2025
Plant Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, USA.
Plants lack specialized and mobile immune cells. Consequently, any cell type that encounters pathogens must mount immune responses and communicate with surrounding cells for successful defence. However, the diversity, spatial organization and function of cellular immune states in pathogen-infected plants are poorly understood.
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