Literature citations

Effects of TGF-beta1 on the expression of endometrial stromal cell-related protein and mRNA.

ObjectiveTo investigate the effects of transforming growth factor β1 (TGF-β1) on α-smooth muscle actin (α-SMA), insulin-like growth factor I (IGF-I), and type I collagen (Col I) expression in endometrial stromal cells as well as on fibronectin (FN) level.Patients and methods56 patients with normal endometrial tissue obtained from surgery were selected from June 2018 to November 2019. Endometrial stromal cells were isolated from patients and then assigned to the control group and observation group (addition of TGF-β1) followed by the analysis of cellular activity by Thiazole blue staining; and α- SMA, IGF-I, Col I, and FN mRNA and protein levels by real-time fluorescent PCR and Western blot.ResultsThe cell proliferation rate at 12 h, 24 h, 36 h, and 72 h after culture in both groups was higher than 0 h (p < 0.05) with higher cell proliferation in the observation group than the control group (p < 0.05). Real-time fluorescence PCR results showed that the levels of α-SMA, IGF- I, Col I, and FN mRNA in endometrial stromal cells of the observation group after TGF-β1 intervention were higher than those in the control group (p < 0.05). Meanwhile, α-SMA, IGF-I, Col I, and FN protein level was also elevated in the observation group after TGF-β1 treatment (p < 0.05).ConclusionsTGF-β1 can stimulate the proliferation of endometrial stromal cells, which may be related to regulate α-SMA, IGF-I, Col I, and FN expression.

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