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. Author manuscript; available in PMC: 2019 Aug 16.
Published in final edited form as: Nitric Oxide. 2018 Apr 17;77:35–43. doi: 10.1016/j.niox.2018.04.005

Fig 4. Citrate synthase assay to establish the statistical relationship between alpha-isoform expression and mitochondrial density in striated muscle.

Fig 4

A: Citrate synthase (CS) activity was assessed in homogenates of eight striated muscles from nNOS-KO mice and their WT littermates. Mean values ± SD, n=3 triplicates for both strains. *: P ≤ 0.05. B: Linear regression analysis revealing the difference in CS activity between WT mice and nNOS-KO mice (data from Fig 4A) to be significantly positive related to the relative nNOS alpha-isoform levels in striated muscles of WT mice (data from Fig 1C and 1D). Shown is the Pearson product-moment correlation coefficient (r) together with its probability (P).