RT Journal Article T1 Effects of Lifestyle Intervention in Tissue-Specific Lipidomic Profile of Formerly Obese Mice. A1 Dahdah, Norma A1 Gonzalez-Franquesa, Alba A1 Samino, Sara A1 Gama-Perez, Pau A1 Herrero, Laura A1 Perales, Jose Carlos A1 Yanes, Oscar A1 Malagon, Maria Del Mar A1 Garcia-Roves, Pablo Miguel K1 Diet composition K1 Energy intake K1 Exercise K1 Gastrocnemius K1 Hypothalamus K1 Lipidomics K1 Liver K1 Plasticity K1 Tissue-specific K1 White adipose tissue AB Lipids are highly diverse in their composition, properties and distribution in different biological entities. We aim to establish the lipidomes of several insulin-sensitive tissues and to test their plasticity when divergent feeding regimens and lifestyles are imposed. Here, we report a proton nuclear magnetic resonance (1H-NMR) study of lipid abundance across 4 tissues of C57Bl6J male mice that includes the changes in the lipid profile after every lifestyle intervention. Every tissue analysed presented a specific lipid profile irrespective of interventions. Glycerolipids and fatty acids were most abundant in epididymal white adipose tissue (eWAT) followed by liver, whereas sterol lipids and phosphoglycerolipids were highly enriched in hypothalamus, and gastrocnemius had the lowest content in all lipid species compared to the other tissues. Both when subjected to a high-fat diet (HFD) and after a subsequent lifestyle intervention (INT), the lipidome of hypothalamus showed no changes. Gastrocnemius and liver revealed a pattern of increase in content in many lipid species after HFD followed by a regression to basal levels after INT, while eWAT lipidome was affected mainly by the fat composition of the administered diets and not their caloric density. Thus, the present study demonstrates a unique lipidome for each tissue modulated by caloric intake and dietary composition. PB MDPI YR 2021 FD 2021-03-28 LK http://hdl.handle.net/10668/17657 UL http://hdl.handle.net/10668/17657 LA en NO Dahdah N, Gonzalez-Franquesa A, Samino S, Gama-Perez P, Herrero L, Perales JC, et al. Effects of Lifestyle Intervention in Tissue-Specific Lipidomic Profile of Formerly Obese Mice. Int J Mol Sci. 2021 Apr 1;22(7):3694 DS RISalud RD Apr 6, 2025