{"database":"MetaboLights","file_versions":[{"headers":{"Content-Type":["application/json"]},"body":{"files":{"Tabular":["ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/m_MTBLS15896_LC-MS_alternating_hilic_v2_maf.tsv"],"Txt":["ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/s_MTBLS15896.txt","ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/i_Investigation.txt","ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/a_MTBLS15896_LC-MS_alternating_hilic.txt"],"Wiff":["ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/FILES/RAW_FILES/20240718_Craig_Priya_lipid.wiff","ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896/FILES/RAW_FILES/20240718_Craig_Priya_lipid.wiff.scan"]},"type":"primary"},"statusCodeValue":200,"statusCode":"OK"}],"scores":null,"additional":{"ftp_download_link":["ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15896"],"metabolite_identification_protocol":["<p>Hierarchical clustering heatmaps were generated in R using the&nbsp;ComplexHeatmap&nbsp;package</p>"],"repository":["MetaboLights"],"study_status":["Public"],"ptm_modification":[""],"instrument_platform":["Liquid Chromatography MS - alternating - hilic"],"chromatography_protocol":["<p>Chromatographic separation was performed using an Agilent 1290 Infinity LC system equipped with an XBridge Amide column (3.5 µm, 4.6 × 150 mm; Waters) using hydrophilic interaction liquid chromatography (HILIC).</p>"],"publication":["DEGS1-mTORC1-driven lipid metabolic reprogramming fuels rhabdomyosarcoma progression and unveils a therapeutic vulnerability."],"submitter_affiliation":["Duke-NUS Medical School"],"submitter_name":["Priyadarshini Gopal"],"organism_part":["cell"],"technology_type":["mass spectrometry assay"],"disease":[""],"extraction_protocol":["<p> lysate was mixed with 270 µL of ice-cold acetonitrile, followed by vortexing and/or additional sonication to ensure homogeneity. Samples were aliquoted as required for downstream analyses. 25uL of samples &nbsp;were added with&nbsp;25 μL of the premixed lipid internal standard (Sciex lipidyzer platform) extracted in a DCM: Methanol: H20 mixture. Evaporate solvent and reconstitute the extracted lipids in 100 μL of MeOH.&nbsp;</p>"],"organism":["Mus musculus","Homo sapiens"],"full_dataset_link":["https://www.ebi.ac.uk/metabolights/MTBLS15896"],"author":["Hong Wen Tang. Duke-NUS Medical School. hongwen.tang@duke-nus.edu.sg.","Priyadarshini Gopal. Duke-NUS Medical School. priya.gk@duke-nus.edu.sg."],"data_transformation_protocol":["<p>Data were log2-transformed and row-wise z-scored prior to heatmap generation.&nbsp;</p>"],"study_factor":["Cell line","Genetic modification"],"submitter_email":["priya.gk@duke-nus.edu.sg"],"sample_collection_protocol":["<p>Cells were cultured to full confluency in standard tissue culture plates. Cells were washed once with 2 mL of ice-cold phosphate-buffered saline (PBS), then incubated with an additional 1 mL of ice-cold PBS and scraped from the plate. After centrifugation at 1,000 x g for 5 minutes at 4 °C, the supernatant was aspirated, and cell pellets were resuspended in 300 µL of ice-cold deionized water containing 0.6% formic acid. Samples were sonicated on ice for 10 minutes to ensure complete lysis.&nbsp;</p>"],"omics_type":["Metabolomics"],"study_design":["Mus musculus","targeted analysis","Homo sapiens","Lipidomics","AB SCIEX QTRAP 5500 System","cell","rhabdomyosarcoma","Agilent 1290 Infinity LC","DUKE- NUS Metabolomics Facility"],"curator_keywords":["Mus musculus","targeted analysis","Homo sapiens","Lipidomics","AB SCIEX QTRAP 5500 System","cell","rhabdomyosarcoma","Agilent 1290 Infinity LC","DUKE- NUS Metabolomics Facility"],"mass_spectrometry_protocol":["<p>Chromatographic separation was achieved using XBridge Amide 3.5 μm, 4.6 × 150 mm column&nbsp;(Waters). Positive ion mode was used to detect SM/CER/DCER/HCER/LCER/TAG/DAG/MAG, while negative ion mode was used to detect PC/PE/PG/PI/PS/FFA.Raw LC–MS data were processed using MultiQuant software (SCIEX). Lipid species were annotated based on parent and daughter fragments and retention time.&nbsp;To check for the quality of data, PCA plots for the samples, blank and internal standard controls&nbsp;were generated using Agilent Mass Profiler Professional (MPP) software.</p>"],"additional_accession":[]},"is_claimable":false,"name":"DEGS1-mTORC1-driven lipid metabolic reprogramming fuels rhabdomyosarcoma progression and unveils a therapeutic vulnerability","description":"These findings establish a mechanistic link between sphingolipid metabolism, mTORC1-mediated regulation of lipophagy, and tumor aggressiveness, highlighting lipid droplet metabolism as a novel and tractable therapeutic target in RMS.","dates":{"publication":"2026-10-02","submission":"2026-10-02"},"accession":"MTBLS15896","cross_references":{}}