2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190613Including contributions of scale-dependent vacuum expectation values of Higgs scalars, we derive new one-loop formulas analytically for running quark-lepton masses at higher scales in MSSM. Apart from the gauge-coupling dependence being different from earlier formulas, the third-generation- Yukawa-coupling effects are absent in the masses of the first two generations. While predicting the masses and $\tanβ$ numerically, we also include two-loop effects.9 pages Latex.Typos correctedHigh Energy Physics - Phenomenologytext