The Effect of Low Intensity Pulsed Ultrasound on Endometrial Receptivity in Infertile Patients with Adenomyosis

Ling Long, Ling Zhou, Jing Zhu, Xuan He
In: Research Square · 2022 · doi:10.21203/rs.3.rs-1197813/v1 · W4206117612
preprint OA: green CC0
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

In infertile patients with adenomyosis, reduced HOXA10 and LIF expression is linked to lower endometrial receptivity, which low-intensity pulsed ultrasound treatment partially restored.

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Abstract

Abstract Objective: Adenomyosis (AM) is an important cause of female infertility, and its disease mechanism remains unclear. This study preliminarily investigated the expression of endometrial receptivity markers homeobox A10 (HOXA10) and leukemia inhibitory factor (LIF) in infertile patients with AM and described the effects of low intensity pulsed ultrasound (LIPUS) on it. Methods: In vivo , tissues were obtained from the infertile female AM patient group (AG group, n=10) and healthy control group (CG group, n=11). The expression of HOXA10 and LIF in the two groups was detected by immunohistochemistry (IHC) and western blotting. In vitro , primary cells were extracted and cultured from the two groups, and the expression of HOXA10 and LIF protein was detected by western blotting. Then the AG cells were treated with 15, 30, and 60 mW/cm 2 of LIPUS for 7 days (20 min/day), and detected the cell adhesion rate. Finally, treat the AG cells with 30mW/cm 2 LIPUS for 7 days (20 min/day), and detect the expression level of ICAM-1 in the cell supernatant by ELISA. The AG cells was treated with 30 mW/cm 2 LIPUS for 4 days (20 min/day), and the expression levels of HOXA10 and LIF were detected by western blotting, RT-PCR, and agarose gel electrophoresis. Results: In vivo, IHC staining showed that HOXA10 and LIF proteins were mainly localized in endometrial epithelial cells. Both IHC and western blot showed that the levels of HOXA10 and LIF in the AG group were significantly lower than those in the CG group ( P <0.01, P <0.05). In vitro, the expression levels of HOXA10 and LIF protein in the AG cell was significantly lower than those in the CG cell ( P <0.001). Then, the cell adhesion ability of the 30 and 60 mW/cm 2 groups was higher than that of the 15 mW/cm 2 group after LIPUS treatment. Finally, The concentration of ICAM-1 in the supernatant of AG cells treated with LIPUS was significantly higher than that of the control group ( P <0.01), and the AG cells were treated with 30 mW/cm 2 LIPUS for 4 days (20 min/day), the protein and mRNA expression levels of HOXA10 and LIF were higher than those of the control group ( P <0.001). Conclusion: The reduction of HOXA10 and LIF may be one of the reasons for the decreased endometrial receptivity in AM. The LIPUS promoted the adhesion and the expression of HOXA10 and LIF of EEECs from the AM group, thereby increasing endometrial receptivity.

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adenomyosisinfertility

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