Three-dimensional culture of an ovine pulmonary adenocarcinoma-derived cell line results in re-expression of surfactant proteins and Jaagsiekte sheep retrovirus.
Three-dimensional culture of an ovine pulmonary adenocarcinoma-derived cell line results in re-expression of surfactant proteins and Jaagsiekte sheep retrovirus.
复制标题
卵巢肺腺癌衍生的细胞系的三维培养会导致表面活性剂蛋白和Jaagsiekte绵羊逆转录病毒的重新表达。
DOI:
10.1016/j.virol.2011.03.018
复制
发表时间:
2011-05-25
期刊:
影响因子:
3.7
通讯作者:
Fan H
中科院分区:
文献类型:
--
作者:
Johnson C;Fan H
Jaagsiekte sheep retrovirus (JSRV) is the causative agent of ovine pulmonary adenocarcinoma (OPA) in sheep. A major interest is elucidating the mechanism(s) of transformation by the viral envelope (Env) that functions as an oncogene. These studies would benefit from a cell line derived from type II pneumocytes that have maintained the differentiation state. In this study we used an OPA-derived cell line (JS7), which has lost structural and functional properties of type II pneumocytes, and no longer expresses JSRV when grown in 2-D monolayer culture. When JS7 cells were placed in 3-D culture using Matrigel, they grew as small spheres of polarized cells that re-expressed surfactant proteins characteristic of type II pneumocytes. Moreover, JS7 cells grown in 3-D re-expressed JSRV virus by several criteria. This study underscores the importance of the culture environment on maintaining the differentiation state of OPA tumor cells as well as expression of JSRV.
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DOI:
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发表时间:
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影响因子:
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