Electroacupuncture improves the receptivity of the uterus lining

Ovulation-inducing drugs such as endogenous steroids could reduce endometrial receptivity during the implantation window, resulting in lower clinical pregnancy rates and higher miscarriage rates. The present study employed electroacupuncture therapy along with different frequencies on elevating impaired endometrial receptivity to elucidate the mechanism therein.

The rats were split up into seven groups of normal, model, low-frequency electroacupuncture (LF-EA), high-frequency electroacupuncture (HF-EA), LF-EA+anti-miRNA, HF-EA+anti-miRNA, and anti-miRNA. PCR assays were used to detect miR-223-3p expressions. The effects of electroacupuncture and miR-223-3p on rats’ endometrial membrane cell-drinking process in a manner of scanning electron microscopy were recorded. After that we observed on the electroacupuncture effects on the conditions of adhesion molecules and LIF/STAT3 signaling pathway with assays of immunofluorescence and Western Blot.

This study was end up with dual luciferase assay, where combination of miR-233-3p onto the 3′-UTR sequence of LIF was determined. PCR assay demonstrated that HF-EA procured an inhibition in miR-223-3p expression, whereas scanning electron microscopy turned out that both electroacupuncture and miR-223-3p were capable of raising the amount of intrauterine pinocytosis and the number of blastocyst implantation in rats. Additionally, assays of Western Blot and immunofluorescence showed that therapy of electroacupuncture brought about decreasing expressions in adhesion molecules of E-cadherin, β-catenin and claudin-1 (CLDN1).

We found that both electroacupuncture and miR-223-3p were able to fortify LIF/STAT3 signaling pathway, then the fact of miR-223-3p combination to LIF 3′-UTR sequence was validated via our dual-luciferase assay. Electroacupuncture therapy inhibited the miR-223-3p expression upon LIF/STAT3 signaling pathway to elevate endometrial receptivity.

Reference: https://pubmed.ncbi.nlm.nih.gov/35435116/

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About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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