SHEN Sinan,MU Zhenni,TANG Li,et al.Shoutaiwan Ameliorates Oxidative Damage of Human Chorionic Trophoblast Cells by Regulating Nrf2 Signaling Pathway to Treat Recurrent Abortion[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(03):44-51.
SHEN Sinan,MU Zhenni,TANG Li,et al.Shoutaiwan Ameliorates Oxidative Damage of Human Chorionic Trophoblast Cells by Regulating Nrf2 Signaling Pathway to Treat Recurrent Abortion[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(03):44-51. DOI: 10.13422/j.cnki.syfjx.20222240.
Shoutaiwan Ameliorates Oxidative Damage of Human Chorionic Trophoblast Cells by Regulating Nrf2 Signaling Pathway to Treat Recurrent Abortion
To study the protective effect of Shoutaiwan-containing serum on the human chorionic trophoblast cells (HTR-8/Svneo) exposed to hydrogen peroxide (H
2
O
2
) via the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway and to decipher the underlying mechanism.
Method
2
The H
2
O
2
solutions of 25, 50, 100, 200, 400 μmol·L
-1
were used to treated the HTR-8/Svneo cells. The cell counting kit-8 (CCK-8) was employed to measure the proliferation of the cells and further determine the optimal concentration of H
2
O
2
solution for modeling and the drug-containing serum. The cells were divided into a blank group, a model group, a dydrogesterone group, and a Shoutaiwan group. The effect of drug-containing serum on H
2
O
2
-induced proliferation of HTR-8/Svneo cells was detected by CCK-8 assay. The intracellular reactive oxygen species (ROS) in each group was determined by enzyme-linked immunosorbent assay (ELISA). Western blot was employed to determine the protein levels of Nrf2, heme oxygenase-1 (HO-1), quinone oxidoreductase 1 (NQO1), cysteine-containing aspartate-specific protease-3 (Caspase-3), and B cell lymphoma/leukemia-2 (Bcl-2). Cellular immunofluorescence was employed to detect the expression of Nrf2 and Bcl-2. Real-time quantitative polymerase chain reaction (Real-time PCR) was carried out to examine the mRNA level of Nrf2, Caspase-3, and Bcl-2 associated X protein (Bax).
Result
2
The optimal concentration of H
2
O
2
for modeling was 50 μmol·L
-1
, and the optimal concentration of drug-containing serum was 10%. Compared with the blank group, the modeling decreased the proliferation of cells (
P
<
0.01), increased the intracellular ROS (
P
<
0.01), down-regulated the protein levels of Nrf2, HO-1, NQO1, and Bcl-2 (
P
<
0.05,
P
<
0.01), up-regulated the protein levels of Caspase-3 and Bax (P
<
0.01), down-regulated the mRNA level of Nrf2 (
P
<
0.01), and up-regulated the mRNA levels of Caspase-3 and Bax (
P
<
0.05,
P
<
0.01). Compared with the model group, Shoutaiwan-containing serum increased the proliferation of cells (
P
<
0.01), reduced the intracellular ROS (
P
<
0.01), up-regulated the protein levels of Nrf2, HO-1, NQO1, and Bcl-2 (
P
<
0.01), down-regulated the protein levels of Caspase-3 and Bax (
P
<
0.05,
P
<
0.01), up-regulated the mRNA level of Nrf2 (
P
<
0.05), and down-regulated the mRNA levels of Caspase-3 and Bax (
P
<
0.05,
P
<
0.01).
Conclusion
2
Shoutaiwan-containing serum can inhibit H
2
O
2
-induced apoptosis by activating the Nrf2 signaling pathway and has protective effect on human chorionic trophoblast cells.
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Related Institution
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