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Genetic and epigenetic characterization of sarcoma stem cells across subtypes identifies EZH2 as a therapeutic target.
NPJ Precis Oncol
January 2025
Department of Orthopedic Surgery, University of California Davis, Sacramento, CA, 95817, USA.
High-grade soft tissue sarcomas (STS) are a heterogeneous and aggressive set of cancers. Failure to respond anthracycline chemotherapy, standard first-line treatment, is associated with poor outcomes. We investigated the contribution of STS cancer stem cells (STS-CSCs) to doxorubicin resistance.
View Article and Find Full Text PDFSurgical Margins and Oncologic Outcomes Following Wedge Resection of Pulmonary Metastases in Pediatric and Young Adult Patients with Sarcoma.
Ann Surg Oncol
January 2025
Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Introduction: Children and young adults diagnosed with sarcoma often present with pulmonary metastases requiring wedge resection. It is important to balance the risk of pulmonary recurrence against the desire to limit resection of benign parenchyma. This study aims to determine the impact of resection margins on survival and recurrence among pediatric and young adult sarcoma patients.
View Article and Find Full Text PDFSingle cell combined with laser ablation ICP-MS to study cisplatinum (IV) loaded nanoparticles penetration pathways in osteosarcoma spheroids.
Anal Chim Acta
January 2025
Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo. C/ Julián Clavería 8, 33006, Oviedo, Spain; Health Research Institute of Asturias (ISPA), Avda de Roma s/n, 33011, Oviedo, Spain. Electronic address:
Background: 3D cellular structures have been considered the following step in the evaluation of drugs penetration after 2D cultures since they are more physiologically representative in cancer cell biology. Here the penetration capabilities of Pt (IV)-loaded ultrasmall iron oxide nanoparticles in 143B osteosarcoma multicellular spheroids of different sizes is conducted by a multidimensional quantitative approach. Single cell (SC) and imaging techniques (laser ablation, LA) coupled to inductively coupled plasma-mass spectrometry (ICP-MS) are used to visualize their penetration pathways and distribution in comparison to those of cisplatin.
View Article and Find Full Text PDFTargeted Next-Generation Sequencing in Succinate Dehydrogenase-Deficient GI Stromal Tumor Identifies Actionable Alterations in the PI3K/mTOR Pathway.
JCO Precis Oncol
January 2025
Sarcoma Translational Research Group, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.
Purpose: Less than 5% of GI stromal tumors (GISTs) are driven by the loss of the succinate dehydrogenase (SDH) complex, resulting in a pervasive DNA hypermethylation pattern that leads to unique clinical features. Advanced SDH-deficient GISTs are usually treated with the same therapies targeting KIT and PDGFRA receptors as those used in metastatic GIST. However, these treatments display less activity in the absence of alternative therapeutic options.
View Article and Find Full Text PDFAdult Embryonal Rhabdomyosarcoma of the Prostate Presented on 18F-FDG and Al18F-FAPI-74 PET/CT.
Clin Nucl Med
December 2024
From the Department of Nuclear Medicine (PET-CT Center), National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
A 21-year-old man with a 2-week history of abdominal pain and urinary hesitancy was admitted to our hospital. Sarcoma was suspected based on his PSA level, age, and MRI findings. He underwent 18F-FDG and Al18F-FAPI-74 PET/CT scans.
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