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Effects of cholic acid modified glucosamine on chondrogenic differentiation

机译:胆酸改性葡萄糖胺对软骨生分化的影响

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摘要

Glucosamine hydrochloride is a widely used drug for the treatment of osteoarthritis and can be easily modified by other molecules because of its alterable functional groups. Cholic acid is an amphiphilic molecule which may regulate properties of glucosamine once introduced into it. In this study, a model cell line ATDC5 was used to investigate the effect of cholic acid modified glucosamine on chondrogenic differentiation. The Alcian blue staining indicated that 1.6 mM of cholic acid modified glucosamine enhanced cartilage-relevant extracellular matrix deposition to the greatest extent. Besides, the results of real-time polymerase chain reaction, western blotting and immunofluorescence staining demonstrated that the expression of cartilage-relevant genes and proteins was up-regulated most and the fibrous cartilage-and hypertrophic cartilage-relevant genes and proteins were down-regulated. Overall, these results demonstrated that 1.6 mM cholic acid modified glucosamine exhibited the best effect on promoting chondrogenic differentiation, which not only enhanced chondrogenesis but also inhibited fibrous cartilage and hypertrophic cartilage formation.
机译:盐酸葡萄糖胺是一种用于治疗骨关节炎的广泛使用的药物,并且由于其可变的官能团而容易被其他分子修饰。胆酸是一种两亲分子,其可以调节葡萄糖胺一旦引入其中的葡糖胺。在该研究中,模型细胞系ATDC5用于探讨胆酸改性氨基磺酰胺对软骨生分化的影响。 Alcian蓝染色表明1.6毫米的胆酸改性葡糖胺在最大程度上增强了软骨相关的细胞外基质沉积。此外,实时聚合酶链反应,蛋白质印迹和免疫荧光染色的结果表明,软骨相关基因和蛋白质的表达最多,纤维软骨 - 和肥厚包菌相关基因和蛋白质被下调。总体而言,这些结果表明,1.6毫米胆酸改性葡糖胺表现出对促进软骨形成分化的最佳效果,这不仅增强了软骨发生,而且抑制了纤维软骨和肥厚软骨形成。

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  • 来源
    《RSC Advances》 |2016年第73期|共9页
  • 作者单位

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

    Natl Engn Res Ctr Tissue Restorat &

    Reconstruct Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

    Chinese Acad Sci Guangzhou Inst Biomed &

    Hlth Key Lab Regenerat Biol Guangdong Prov Key Lab Stem Cell &

    Regenerat Med Guangzhou 510530 Guangdong Peoples R China;

    Univ Montreal Dept Chim Montreal PQ H3C 3J7 Canada;

    Chinese Acad Sci Guangzhou Inst Biomed &

    Hlth Key Lab Regenerat Biol Guangdong Prov Key Lab Stem Cell &

    Regenerat Med Guangzhou 510530 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510041 Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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