ArticleZhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery2022
[Mechanism of ring finger protein 11 regulating Akt signaling pathway to promote osteogenic differentiation of bone marrow mesenchymal stem cells].
Article in Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Genetic Structure and Selective Signature Analysis of Xinjiang Local Sheep Populations.Animals : an open access journal from MDPI · 2026Article
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3 authors at 2 institutions in 1 country.
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Abstract
objectiveTo investigate the role and regulatory mechanism of ring finger protein 11 (RNF11) on Akt signaling pathway in the process of osteogenesis of bone marrow mesenchymal stem cells (BMSCs) to provide ideas for further clarifying its osteogenesis mechanism and its use in clinical treatment in the future.
methodsBMSCs were isolated and cultured from fresh bone marrow of healthy donors and subcultured. The 4th generation cells were used in experiments after identification by flow cytometry, and osteogenic, chondrogenic, and adipogenic induction. BMSCs were cultured in osteogenic differentiation medium for 0-14 days. The degree of osteogenic differentiation was detected by Alizarin red staining and alkaline phosphatase (ALP) staining, and the protein expression of RNF11 was detected by Western blot. The 4th generation BMSCs were divided into blank control group (group A), empty lentivirus (Lv-NC) group (group B), and knockdown RNF11 (Lv-ShRNF11) group (group C). Osteogenesis was induced and cultured for 0-14 days. The expression of RNF11 protein was detected by Western blot, the degree of osteogenic differentiation was detected by Alizarin red staining and ALP staining, and the relative mRNA expressions of Runx2, osteocalcin (OCN), and osteopontin (OPN) were detected by real-time fluorescence quantitative PCR (qRT-PCR). The protein relative expressions of Akt, Smad1/5/8, and β-catenin signaling pathway were detected by Western blot, expressed as the ratio before and after phosphorylation. In order to study the effect mechanism of RNF11 on Akt signaling pathway, the 4th generation BMSCs were divided into Lv-NC transfection group (group A1), Lv-ShRNF11 transfection group (group B1), and Lv-ShRNF11 transfection supplemented with Akt signaling pathway activator SC79 group (group C1). The protein relative expressions of RNF11 and Akt signaling pathway were detected by Western blot, the related osteogenesis indexes were detected by Alizarin red staining, ALP staining, and qRT-PCR.
resultsThe flow cytometry, and osteogenic, chondrogenic, adipogenic induction culture identification showed that the isolated and cultured cells were BMSCs. The protein relative expression of RNF11 increased gradually with the extension of osteogenic differentiation time (
conclusionRNF11 promotes the differentiation of BMSCs into osteoblasts by positively regulating the activation level of Akt signaling pathway. RNF11 can be used as a potential target to improve the bone repair efficacy of BMSCs and treat bone metabolic diseases.
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