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. 2024 Sep 19;16(10):2322–2348. doi: 10.1038/s44321-024-00140-z

Figure EV5. Metabolome differences in the perfusate serum during ex vivo pig brain NMP with and without a functioning liver support.

Figure EV5

(A) Principal component analysis (PCA) showcasing the global variation within and between groups for the overall samples. (B) Scatter plot of orthogonal projections to latent structures-discriminant analysis (OPLS-DA) illustrating the differences between groups. (C, D) Volcano plot demonstrating the differential metabolites after 2 and 3 h of normothermic machine perfusion (NMP). (E) Heatmap displaying the z-score distribution of significantly different metabolites across various time points, with each row representing a metabolite. The heatmap was generated with the DESeq2 R package. (AE) n = 5 pigs in each group, triplicate perfusate samples for technical replicates in each pig. (C, D) P values were calculated by the Wald test using the DESeq2 R package.