Research Article

[Retracted] Protective Effects and Molecular Mechanism of Total Flavonoids from Lycium Barbarum Leaves on Photoaged Human Dermal Fibroblasts

Figure 1

Minimum toxic dose determination of UVA and 8-MOP in UVA/8-MOP-induced human dermal fibroblasts photoaging model. (a) Rutin standard curve; (b) the effect of different UVA irradiation doses on HDF proliferation determined by CCK-8; (c) the effect of different UVA irradiation doses on HDF morphology observed under a microscope.
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