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Development of a novel molecular probe for visualizing mesothelin on the tumor via positron emission tomography.
Eur J Nucl Med Mol Imaging
January 2025
Institute of Radiation Medicine, Fudan University, Xietu Road 2094, Shanghai, 200032, China.
Objectives: Mesothelin (MSLN) is an antigen that is overexpressed in various cancers, and its interaction with tumor-associated cancer antigen 125 plays a multifaceted role in tumor metastasis. The serum MSLN expression level can be detected using enzyme-linked immunosorbent assay; however, non-invasive visualization of its expression at the tumor site is currently lacking. Therefore, the aim of this study was to develop a molecular probe for imaging MSLN expression through positron emission tomography (PET).
View Article and Find Full Text PDFA Two-Step Protocol for Isolation and Maintenance of Lung Cancer Primary 3D Cultures.
Cancers (Basel)
December 2024
Translational Research Laboratory, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy.
Background/objectives: Despite the introduction of innovative therapeutics, lung cancer is still the leading cause of cancer-related death. For this reason, lung cancer still requires deep characterization to identify cellular and molecular targets that can be used to develop novel therapeutic strategies. Three-dimensional cellular models, including patient-derived organoids (PDOs), represent useful tools to study lung cancer biology and may be employed in the future as predictive tools in therapeutic decisions.
View Article and Find Full Text PDFInvestigating proteogenomic divergence in patient-derived xenograft models of ovarian cancer.
Sci Rep
January 2025
Department of Laboratory Medicine and Pathology, University of Minnesota School of Medicine, 420 Delaware St SE, MMC 609, Minneapolis, MN, 55455, USA.
Within ovarian cancer research, patient-derived xenograft (PDX) models recapitulate histologic features and genomic aberrations found in original tumors. However, conflicting data from published studies have demonstrated significant transcriptional differences between PDXs and original tumors, challenging the fidelity of these models. We employed a quantitative mass spectrometry-based proteomic approach coupled with generation of patient-specific databases using RNA-seq data to investigate the proteogenomic landscape of serially-passaged PDX models established from two patients with distinct subtypes of ovarian cancer.
View Article and Find Full Text PDFStandard: Human gastric cancer organoids.
Cell Regen
December 2024
Guangzhou National Laboratory, Guangzhou, 510005, China.
Gastric cancer is one of the most common malignancies with poor prognosis. The use of organoids to simulate gastric cancer has rapidly developed over the past several years. Patient-derived gastric cancer organoids serve as in vitro models that closely mimics donor characteristics, offering new opportunities for both basic and applied research.
View Article and Find Full Text PDFProtein family FAM241 in human and mouse.
Mamm Genome
December 2024
Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI, 48109, USA.
FAM241B was isolated in a genome-wide inactivation screen for generation of enlarged lysosomes. FAM241B and FAM241A comprise protein family FAM241 encoding proteins of 121 and 132 amino acid residues, respectively. The proteins exhibit 25% amino acid sequence identity and contain a domain of unknown function (DUF4605; pfam15378) that is conserved from primitive multicellular eukaryotes through vertebrates.
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