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. 2020 Jun 9;11:2894. doi: 10.1038/s41467-020-16568-z

Fig. 6. Liver-derived fibroblast growth factor 21 is necessary for the systemic metabolic remodelling with dietary threonine restriction.

Fig. 6

a Serum fibroblast growth factor 21 (FGF21) levels of Fgf21fl/fl mice at the end of an 8-week treatment with diets containing 18% from amino acids (AA; NAA) or low threonine with other AA equally adjusted to give 18% AA in total (LT); with pre-treatment with adeno-associated viruses to express Cre-recombinase (AAV-CRE) or green fluorescent protein (AAV-GFP) in an hepatocyte-selective manner. Data are mean and SEM (n = 6 NAA × AAV-GFP; n = 7 LAA AAV-GFP; n = 6 LT × AAV-CRE; n = 8 LT × AAV-CRE). Data were analysed by two-way ANOVA with Holm–Sidak post-hoc tests. Different than NAA: *P < 0.05, **P < 0.01, ***P < 0.001. Different than AAV-GFP: #P < 0.05, ##P < 0.01, ###P < 0.001. b Feed efficiency during the 8-week treatment of mice as in (a). c Energy expenditure of mice as in (a). d Insulin sensitivity index during fasting (ISI(f)) of mice as in (a).