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Somatic mutations and DNA methylation identify a subgroup of poor prognosis within lower-risk myelodysplastic syndromes.
Hemasphere
January 2025
Université Paris Cité, Institut Cochin, INSERM U1016, CNRS UMR8104 Assistance Publique-Hôpitaux de Paris.Centre, Laboratory of Hematology, Hôpital Cochin Paris France.
Lower risk (LR) myelodysplastic syndromes (MDS) are heterogeneous hematopoietic stem and progenitor disorders caused by the accumulation of somatic mutations in various genes including epigenetic regulators that may produce convergent DNA methylation patterns driving specific gene expression profiles. The integration of genomic, epigenomic, and transcriptomic profiling has the potential to spotlight distinct LR-MDS categories on the basis of pathophysiological mechanisms. We performed a comprehensive study of somatic mutations and DNA methylation in a large and clinically well-annotated cohort of treatment-naive patients with LR-MDS at diagnosis from the EUMDS registry (ClinicalTrials.
View Article and Find Full Text PDFSingle-Session Surgical Intervention with Resection of a Primary Cranial Osteosarcoma and Cranioplasty using a 3D-Printed Craniotomy Template and Cranioplasty Molds.
J Neurol Surg Rep
January 2025
Department of Neurosurgery, Hospital of the German Armed Forces, Westerstede, Germany.
Although osteosarcomas are the most frequent primary malignant bone tumors, the primary cranial manifestation of this condition is very rare with only a limited number of cases presented in the literature. We present the case of a 20-year-old male patient who underwent single-session surgical intervention for resection of right frontal osteosarcoma with a tailor-made craniotomy and cranioplasty using virtually designed 3D-printed templates and molds. Subsequently, the patient was treated according to the EURAMOS protocol and received adjuvant systemic chemotherapy.
View Article and Find Full Text PDFPhase I Clinical Trial of Autologous Hematopoietic Stem Cell Transplantation-Supported Dose-Intensified Chemotherapy With Adebrelimab as First-Line Treatment for Extensive-Stage Small Cell Lung Cancer.
Clin Lung Cancer
December 2024
State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Pulmonary and Critical Care Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China. Electronic address:
Background: Small cell lung cancer (SCLC) is initially highly sensitive to chemotherapy, which often leads to significant tumor reduction. However, the majority of patients eventually develop resistance, and the disease is further complicated by its "cold" tumor microenvironment, characterized by low tumor immunogenicity and limited CD8+ T cell infiltration. These factors contribute to the poor response to immunotherapy in many cases of extensive-stage SCLC (ES-SCLC).
View Article and Find Full Text PDFOptimization of genome editing by CRISPR ribonucleoprotein for high efficiency of germline transmission of Sox9 in zebrafish.
N Biotechnol
January 2025
Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430072, China. Electronic address:
Primordial germ cells (PGCs) are the first germline stem cells to emerge during early embryonic development and are essential for the propagation and survival of species. Genome editing creates mutagenesis possibilities in vivo, but the generation of precise mutations in PGCs is still challenging. Here, we report an optimized approach for highly efficient genome editing via introducing biallelic variations in early embryos in zebrafish.
View Article and Find Full Text PDFAt early stages of heart development, the first and second heart fields are a continuum of lateral head mesoderm-derived, cardiogenic cells.
Dev Biol
January 2025
Institute of Life Sciences and Health (ILSH), School of Medicine, Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, UK. Electronic address:
Pioneering work in the chicken established that the initial development of the heart consists of two stages: the quick assembly of a beating heart, followed by the recruitment of cells from adjacent tissues to deliver the mature in-and outflow tract. Cells to build the primitive heart were dubbed the first heart field (FHF) cells, cells to be recruited later the second heart field (SHF) cells. The current view is that these cells represent distinct, maybe even pre-determined lineages.
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