Cell-density-dependent manifestation of partial characteristics for neuronal precursors in a newly established human gliosarcoma cell line

Cell-density-dependent manifestation of partial characteristics for neuronal precursors in a newly established human gliosarcoma cell line
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新建立的人胶质肉瘤细胞系中神经元前体部分特征的细胞密度依赖性表现

DOI:
10.1007/s11626-014-9839-x
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发表时间:
2014-12
影响因子:
2.1
通讯作者:
Ye Zu-Cheng
Ye Zu-Cheng
中科院分区:
生物学4区
文献类型:
--
作者:
Yao Pei-Sen;Kang De-Zhi;Wang Xing-Fu;Lin Ru-Ying;Ye Zu-Cheng

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胶质肉瘤细胞系K308是从一名51岁男性汉族患者的原发性肿瘤标本中建立的。K308细胞除具有胶质肉瘤细胞的典型特征外,还表达丰富的谷氨酰胺酶,并能释放大量谷氨酸。K308表现出神经元前体标记物,特别是巢蛋白的细胞密度依赖性表达。在低密度下,大多数K308细胞为巢蛋白阴性(约70%),并且当K308增殖时,巢蛋白水平在每个单细胞衍生的集落内保持均匀。然而,在达到汇合后,大多数K308细胞转为nestin阳性。这些融合的K308细胞也是Sox 2阳性的,并且即使在含血清的培养基中也可以形成肿瘤球。
Gliosarcoma cell line K308 was established from a primary tumor specimen removed from a 51-year-old male Han Chinese patient. Besides the typical characteristics of gliosarcoma cells, K308 cells express abundant glutaminase and can release large amount of glutamate. K308 exhibited cell-density-dependent expression of neuronal precursor markers, particularly nestin. At low density, the majority of K308 cells were nestin negative (approximately 70%) and nestin levels remained homogenous within each single-cell-derived colony when K308 proliferated. After reaching confluence, however, the majority of K308 cells turned nestin positive. These confluent K308 cells were also Sox2 positive and could form tumor spheres even in serum-containing media.
DOI: 10.1186/1476-4598-10-128
发表时间: 2011-10-11
期刊: Molecular cancer
影响因子: 37.3
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