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. 2021 May 17;12:2887. doi: 10.1038/s41467-021-23240-7

Fig. 2. Inhibition of Yap impairs fatty acid oxidation and leads to lipotoxicity in adult skeletal muscle.

Fig. 2

a Top 20 downregulated metabolites in muscles treated with AAV6:Yap shRNA ranked by −log10 p value, (b) Acylcarnitine levels in Soleus muscles examined 4 weeks after administration of AAV6:LacZ shRNA or AAV6:Yap shRNA vector (n = 6, mean ± SEM, * indicates p < 0.05 with exact p values provided in source data, two-sided t test without adjustment for multiple comparisons), (c) selected triglyceride species in Soleus muscles treated as in (b) (n = 6 biologically independent animals, mean ± SEM, * indicates p < 0.05 with exact p values provided in source data, two-sided t test without adjustment for multiple comparisions), (d) Total fatty acid oxidation (tracer present in cell and media acid-soluble metabolites and CO2 gas phase) in pmol/h/mg tissue (n = 12 biologically independent animals, mean ± SEM, * shows significant difference, p = 0.03, two-sided t test), (e) Incomplete fatty acid oxidation (tracer in cell and media acid-soluble metabolites) and (f) complete fatty acid oxidation to CO2 (tracer present in CO2 gas phase only) in pmol/h/mg tissue in EDL muscles analysed 2 weeks after injection of AAV6:lacZ-shRNA or AAV6:Yap-shRNA vectors (n = 12 biologically independent animals, mean ± SEM, * shows significant difference, p = 0.03 and 0.71 respectively, two-sided t test), (g) Representative images of Dihydroethidium (red) and DAPI (blue) staining in Soleus muscles treated with AAV6:lacZ-shRNA and AAV6:Yap-shRNA and assessed 8 weeks after treatment (n = 10 biologically independent animals, scale bars indicate 50 μm).