Triglyceride cycling enables modification of stored fatty acids.

"the complete quantified set of identified lipids together with some annotations can be found in supplementary data 1 in excel format.; reporting summary supplementary data 1 processed and annotated mass spectrometric data file containing the source data for fig 3 and parts of figs4 5 and 6.; the annotated lipidxplorer output file that contains all primary identifications raw intensities and pmol calculations of the time-resolved experiment that gives rise to figs3 4a-f and 6ace is submitted as supplementary data 1 ."

"Competing interests Bonn University (owner) and C.T. (inventor) have filed a patent (EP3587382, US Patent App. 17/254,922) that covers major parts of the alkyne lipid MS tracing technology that is the methodological core of this publication."

"This work was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)—project IDs: SFB 1454 project number 432325352, TH 780/4-1 Multiparallel lipid tracing, TH 780/5-1 SPP 2306 Ferroptose to C.T.; KU 2374/3-1 to L.K.; and by Germany’s Excellence Strategy—EXC2151—grant no. 390873048 to C.T."