Repair Abilities of Mouse Autologous Adipose-derived Stem Cells and ShakeGel™3D Complex Local Injection with Intrauterine Adhesion by BMP7-Smad5 Signaling Pathway Activation

Overview

Journal Stem Cell Res Ther

Publisher Biomed Central

Date 2021 Mar 19

PMID 33736694

Citations 10

Authors

Yun-Xia Zhao

Shao-Rong Chen

Qiao-Yi Huang

Wei-Can Chen

Tian Xia

Yan-Chuan Shi

Hong-Zhi Gao

Qi-Yang Shi

Shu Lin

Affiliations

Soon will be listed here.

Abstract

Background: The objective was to explore the therapeutic effect of autologous adipose-derived stem cells (ADSCs) combined with ShakeGel™3D transplantation to activate the BMP7-Smad5 signaling pathway to treat intrauterine adhesions (IUA).

Methods: Autologous ADSCs were isolated and then merged with ShakeGel™3D. The IUA model was established by mechanical injury. The third generation of autologous ADSCs was injected directly into the uterus in combination with ShakeGel™3D. After 7 days of treatment, endometrial morphology, number of endometrial glands, endometrial fibrosis area, and fibrosis biomarker analysis by RT-PCR and IHC were examined. BMP7 and phosphorylation of Smad5 were also detected, and the recovery of infertility function in treated mice was evaluated.

Results: Fluorescence-activated cell sorting (FACS) showed that autologous ADSCs expressed CD105 (99.1%), CD29 (99.6%), and CD73 (98.9%). Autologous ADSCs could still maintain a good growth state in ShakeGel™3D. Histological examination revealed that the number of endometrial glands increased significantly, and the area of fibrosis decreased. At the same time, the expression of BMP7 and Smad5 in the ADSCs + Gel group was significantly upregulated, and the final reproductive function of this group was partly recovered.

Conclusions: Autologous ADSCs can be used in combination with ShakeGel™3D to maintain functionality and create a viable three-dimensional growth environment. The combined transplantation of autologous ADSCs and ShakeGel™3D promotes the recovery of damaged endometrial tissue by increasing BMP7-Smad5 signal transduction, resulting in endometrium thickening, increased number of glands, and decreased fibrosis, leading to restoration of partial fertility.

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