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. 2019 Jul 30;10:968. doi: 10.3389/fphys.2019.00968

FIGURE 3.

FIGURE 3

Sperm membrane integrity (A) was detected after 3 h of incubation. The levels of phospho-ser21-GSK3α, phospho-ser9-GSK3β, and GSK3α/β were analyzed by western blotting after 3 h of incubation (B). The blots were normalized to an endogenous protein (α-tubulin) (C–E). Values are specified as mean ± standard error of the mean (SEM). Columns with different lowercase letters differ significantly (p < 0.05).