MFN2 and manic or hypomanic episode: However, we found a negative correlation between Mfn2 levels and YMRS (rho=−0.554, P=0.001, Figure 6a) and MADRS (rho=−0.426, P=0.019, Figure 6b) scores, as well as with the number of manic episodes (rho=−0.551, P=0.035, Figure 6c).