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. 2023 Jul 31;14:4494. doi: 10.1038/s41467-023-40201-4

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a Heat map showing the contents of molecular species of free fatty acids and lysophospholipids in mouse hearts after TAC operation. Correlation of peak values and color is indicated at the top; High, red and low, blue. Red arrow indicates 18:0 lysophosphatidylserine. LPS lysophosphatidylserine, LPI lysophosphatidylinositol, LPG lysophosphatidylglucoside, LPE lysophosphatidylethanolamine, LPC lysophosphatidylcholine, FA free fatty acid. b Quantity of 18:0 lysophosphatidylserine in mouse hearts after TAC operation. n = 4 (sham-operated Pla2g6^+/+), 4 (sham-operated Pla2g6^–/–), 5 (TAC-operated Pla2g6^+/+), and 5 (TAC-operated Pla2g6^–/–), biologically independent samples. Average values of each group were used for heat map analysis (a). Open and closed bars indicate Pla2g6^+/+ and Pla2g6^−/−, respectively (b). Data are expressed as the mean ± SEM. The data were evaluated by one-way ANOVA, followed by Tukey-Kramer’s post-hoc test. Source data are provided as a Source Data file.