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| http://purl.uniprot.org/citations/36609617 | http://www.w3.org/2000/01/rdf-schema#comment | "Tumor cells have an increased demand for nutrients to sustain their growth, but how these increased metabolic needs are ensured or how this influences tumor formation and progression remains unclear. To unravel tumor metabolic dependencies, particularly from extracellular metabolites, we have analyzed the role of plasma membrane metabolic transporters in Drosophila brain tumors. Using a well-established neural stem cell-derived tumor model, caused by brat knockdown, we have found that 13 plasma membrane metabolic transporters, including amino acid, carbohydrate and monocarboxylate transporters, are upregulated in tumors and are required for tumor growth. We identified CD98hc and several of the light chains with which it can form heterodimeric amino acid transporters, as crucial players in brat RNAi (brat IR) tumor progression. Knockdown of these components of CD98 heterodimers caused a dramatic reduction in tumor growth. Our data also reveal that the oncogene dMyc is required and sufficient for the upregulation of CD98 transporter subunits in these tumors. Furthermore, tumor-upregulated dmyc and CD98 transporters orchestrate the overactivation of the growth-promoting signaling pathway TOR, forming a core growth regulatory network to support brat IR tumor progression. Our findings highlight the important link between oncogenes, metabolism, and signaling pathways in the regulation of tumor growth and allow for a better understanding of the mechanisms necessary for tumor progression."xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.org/dc/terms/identifier | "doi:10.1007/s00018-022-04668-6"xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/author | "Rebelo A.R."xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/author | "Homem C.C.F."xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/date | "2023"xsd:gYear |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/name | "Cell Mol Life Sci"xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/pages | "30"xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/title | "dMyc-dependent upregulation of CD98 amino acid transporters is required for Drosophila brain tumor growth."xsd:string |
| http://purl.uniprot.org/citations/36609617 | http://purl.uniprot.org/core/volume | "80"xsd:string |
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