FPR2 serves a role in recurrent spontaneous abortion by regulating trophoblast function via the PI3K/AKT signaling pathway Corrigendum in /10.3892/mmr.2023.12998

Li,Anna; Li,Shuxian; Zhang,Chongyu; Fang,Zhenya; Sun,Yaqiong; Peng,Yanjie; Wang,Xietong; Zhang,Meihua

doi:10.3892/mmr.2021.12478

December-2021 Volume 24 Issue 6

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December-2021 Volume 24 Issue 6

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Article Open Access

FPR2 serves a role in recurrent spontaneous abortion by regulating trophoblast function via the PI3K/AKT signaling pathway

Corrigendum in: /10.3892/mmr.2023.12998

Authors:
- Anna Li
- Shuxian Li
- Chongyu Zhang
- Zhenya Fang
- Yaqiong Sun
- Yanjie Peng
- Xietong Wang
- Meihua Zhang
View Affiliations / Copyright

Affiliations: Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Maternal and Child Health Care Hospital of Shandong Province, Jinan, Shandong 250014, P.R. China, Department of Chronic Disease, Center for Disease Control and Prevention of Wulian, Rizhao, Shandong 262300, P.R. China

Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Article Number: 838
|
Published online on: October 4, 2021

https://doi.org/10.3892/mmr.2021.12478
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Abstract

Recurrent spontaneous abortion (RSA) effects both the physical and mental health of women of reproductive age. Trophoblast dysfunction may result in RSA due to shallow placental implantation. The mechanisms underlying formyl peptide receptor 2 (FPR2) on the biological functions of trophoblasts remain to be elucidated. The present study aimed to explore the potential functions of FPR2, a G protein‑coupled receptor, in placental trophoblasts. The location and expression levels of FPR2 in the villi tissue of patients with RSA were detected using immunohistochemical staining, reverse transcription‑quantitative PCR and western blotting. Following the transfection of small interfering RNA targeting FPR2 in HTR‑8/SVneo cells, a Cell Counting Kit‑8 assay was used to determine the levels of cell viability. Flow cytometry was used to examine the levels of cell apoptosis and gap closure and Transwell assays were carried out to evaluate the levels of cell migration and invasion. A tube formation assay was performed to detect the levels of capillary‑like structure formation. Western blotting was used to detect the expression levels of proteins in the associated signaling pathways. The expression of FPR2 was present in villi trophoblasts and was markedly increased in patients with RSA. The levels of trophoblast invasion, migration and tube formation were markedly increased following FPR2 knockdown, whereas the levels of apoptosis were markedly decreased. In addition, FPR2 knockdown caused an increase in the phosphorylation levels of AKT and PI3K. Thus, FPR2 may be involved in the regulation of trophoblast function via the PI3K/AKT signaling pathway. The results of the present study provided a theoretical basis for the use of FPR2 as a target for the treatment of trophoblast‑associated diseases, such as RSA.

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