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Article in Chinese | WPRIM | ID: wpr-663798

ABSTRACT

Objective To explore the effect of sitostero-3-O-glucoside on proliferation, apoptosis and collagen synthesis of keloid fibroblasts ( KF) . Methods Cell viability was measured by MTT assay after cells were cultured with 0 (control), 3. 125, 6. 25, 12. 5, 25, 50, 100 μg/mL sitostero-3-O-glucoside. Cell proliferation was measured by EdU staining. Cell apoptotic rate and cell cycle were measured by flow cytometry. The level of COL I and COL III was detected by enzyme linked immunosorbent assay (ELISA). Results 3. 125, 6. 25, 12. 5, 25, 50, 100 μg/mL sitostero-3-O-glucoside reduced cell viability ( P< 0. 01 ) , increased inhibitory rate of cell proliferation ( P< 0. 01 ) , IC50 =27. 54 ± 2. 18 μg/mL. Compared with the control group, 12. 5, 25, 50μg/mL sitostero-3-O-glucoside reduced the cell proliferation rate (P< 0. 01), increased the cell early and late apoptotic rates (P< 0. 01), the cell cycle was arrested at G1 phase (P< 0. 01), and the levels of COL I and COL III were down-regulated (P< 0. 01). Conclusions The results show that sitostero-3-O-glucoside can significantly inhibit the proliferation, induce cell apoptosis and inhibit the synthesis of collagen of keloid fibroblasts.

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