犬骨髓基质干细胞分离培养与向软骨样细胞 诱导分化的研究

【目的】 探讨犬骨髓基质干细胞的提取。分离和体外扩增的最佳条件,研究其在体外培养中定向诱导分化为软骨样细胞的可能。【方法】 从幼年犬骨髓中分离基质干细胞进行培养扩增,观察其生长特性,体外应用碱性成纤维细胞生长因子(b-FGF)和转化生长因子-B1(TGF-B1)对第3代传代细胞诱导分化,并通过细胞的染色和Ⅱ型胶原免疫组化鉴定诱导分化细胞的类型。【结果】 原代培养时形成由基质干细胞组成的细胞集落融合周期约6 ~ 9 d左右。第3代传代细胞经碱性成纤维细胞生长因子(b-FGF)和转化生长因子(TGF-B1)诱导后,传代细胞在形态上呈软骨样改变;甲苯氨蓝异染性。阿新蓝染色阳性;Ⅱ型胶原免疫组化染色呈...

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Published inZhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban Vol. 30
Format Journal Article
LanguageChinese
Published Editorial Office of Journal of Sun Yat-sen University 01.01.2009
Subjects
基质干细胞
生长因子
诱导分化
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ISSN1672-3554
DOI10.3321/j.issn:1672-3554.2009.01.011

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Abstract 【目的】 探讨犬骨髓基质干细胞的提取。分离和体外扩增的最佳条件,研究其在体外培养中定向诱导分化为软骨样细胞的可能。【方法】 从幼年犬骨髓中分离基质干细胞进行培养扩增,观察其生长特性,体外应用碱性成纤维细胞生长因子(b-FGF)和转化生长因子-B1(TGF-B1)对第3代传代细胞诱导分化,并通过细胞的染色和Ⅱ型胶原免疫组化鉴定诱导分化细胞的类型。【结果】 原代培养时形成由基质干细胞组成的细胞集落融合周期约6 ~ 9 d左右。第3代传代细胞经碱性成纤维细胞生长因子(b-FGF)和转化生长因子(TGF-B1)诱导后,传代细胞在形态上呈软骨样改变;甲苯氨蓝异染性。阿新蓝染色阳性;Ⅱ型胶原免疫组化染色呈阳性。【结论】 犬骨髓基质干细胞在体外培养条件下生长良好和持续扩增,在碱性成纤维细胞生长因子(b-FGF)和转化生长因子(TGF-B1)作用下可被诱导分化为软骨样细胞。
AbstractList 【目的】 探讨犬骨髓基质干细胞的提取。分离和体外扩增的最佳条件,研究其在体外培养中定向诱导分化为软骨样细胞的可能。【方法】 从幼年犬骨髓中分离基质干细胞进行培养扩增,观察其生长特性,体外应用碱性成纤维细胞生长因子(b-FGF)和转化生长因子-B1(TGF-B1)对第3代传代细胞诱导分化,并通过细胞的染色和Ⅱ型胶原免疫组化鉴定诱导分化细胞的类型。【结果】 原代培养时形成由基质干细胞组成的细胞集落融合周期约6 ~ 9 d左右。第3代传代细胞经碱性成纤维细胞生长因子(b-FGF)和转化生长因子(TGF-B1)诱导后,传代细胞在形态上呈软骨样改变;甲苯氨蓝异染性。阿新蓝染色阳性;Ⅱ型胶原免疫组化染色呈阳性。【结论】 犬骨髓基质干细胞在体外培养条件下生长良好和持续扩增,在碱性成纤维细胞生长因子(b-FGF)和转化生长因子(TGF-B1)作用下可被诱导分化为软骨样细胞。
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Snippet 【目的】 探讨犬骨髓基质干细胞的提取。分离和体外扩增的最佳条件,研究其在体外培养中定向诱导分化为软骨样细胞的可能。【方法】 从幼年犬骨髓中分离基质干细胞进行培养扩增,观...
SourceID doaj
SourceType Open Website
SubjectTerms 基质干细胞
生长因子
诱导分化
Title 犬骨髓基质干细胞分离培养与向软骨样细胞 诱导分化的研究
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Volume 30
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