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. 2024 Jan 26;25(3):1530. doi: 10.3390/ijms25031530

Figure 1.

Figure 1

Ussing chamber analysis: Initial comparison revealed stronger functional barrier properties in PPs than in the VE controls. Measurement of (A) TEER and (B) [3H]-mannitol flux rate of PPs and VE prior to incubation with quercetin revealed a higher TEER value (PP: 73.6 ± 1.3 Ω·cm2, VE: 33.9 ± 2.4 Ω·cm2, *** p < 0.001, n = 37–38) and a reduced tracer flux of [3H]-mannitol is apparent (PP: 17.7 ± 2.3 nmol/cm2/h, VE: 29.6 ± 1.3 nmol/cm2/h, ** p < 0.01, n = 12–13).