ArticleMedical science monitor : international medical journal of experimental and clinical research2015
Comparison of hIGF-1 gene transfection to the hBMSCs and human meniscal fibrochondrocytes.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- MSC based gene delivery methods and strategies improve the therapeutic efficacy of neurological diseases.Bioactive materials · 2023Review
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- MicroRNA-98 regulates osteogenic differentiation of human bone mesenchymal stromal cells by targeting BMP2.Journal of cellular and molecular medicine · 2017Article
- Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTreatment strategies for meniscal injury are shifting from meniscectomy to repair, especially cell-based therapy. Delivering selected genes to donor cells can modify differentiation and proliferation. Efficiency of gene transfection and expression may relate to cell type. MATERIAL AND
methodsFull-length hIGF-1 cDNA was cloned into eukaryotic expression vector by PCR. Human BMSCs and meniscal fibrochondrocytes were isolated and cultured in vitro and hIGF-1 gene was transfected by FuGene 6. Expression of EGFP and hIGF-1 were determined. Biological activity of the hIGF-1 in medium was assessed by MTT chromatometry. Real-time quantitative PCR and Western blot were used to assess the expression of exogenous genes. Efficacy of gene transfection was detected by immunohistochemistry staining and flow cytometry.
resultsSequences of hIGF-1 were verified by sequence analysis. Expression of EGFP increased gradually and reached peak intensity 48 h after transfection. Transfection efficiency of BMSCs was higher than meniscal fibrochondrocytes. The population doubling time was decreased in both cell types. Peak concentration of hIGF-1 in the medium of BMSCs and meniscal cells was 32.5±4.8 ng/ml and 24.5±4.6 ng/ml, respectively. Secreted hIGF-1 possessed the ability to enhance proliferation of the cell line. Results of qPCR and Western blot confirmed the expression of hIGF-1. Type II collagen appeared within the cells, and percentage of cells in S stage was increased in both cell types after transfection.
conclusionshIGF-1 cDNA can be transfected into BMSCs and meniscal fibrochondrocytes, resulting in gene expression. Expression efficiency in BMSCs was higher than that in fibrochondrocytes.
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