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. 2021 May 29;22(11):5827. doi: 10.3390/ijms22115827

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Expression of MMP-2 (A) and MMP-9 (B) in the endometrial stromal cells following treatment with the vehicle, transfection with the negative control siRNA or RBP4 siRNA (a), or treatment with HR-RBP4 (b). The error bars represent the mean ± SEM. Data are expressed as a percentage, in which the cells treated with the control are normalized to 100%, ^† p < 0.05 compared with vehicle group as well as negative control siRNA transfection group. * p < 0.05 compared with the control group. NC: negative control.