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题目:: Characteristics and EGFP expression of goat mammary gland epithelial cells.
作者:: Zheng(Y-M),He(X-Y),Zhang(Y)
状态:: 发布时间2010-11-22 , 更新时间 2010-11-22
期刊:: Reprod Domest Anim
摘要:: The aims of this study were (i) to establish a goat mammary gland epithelial (GMGE) cell line, and (ii) to determine if these GMGE cells could be maintained long-term in culture by continuous subculturing following transfection with a reporter gene, enhanced green fluorescence protein (EGFP). Primary culture of GMGE cells was achieved by outgrowth of migrating cells from the fragments of the mammary gland tissue of a lactating goat. The passage 16 GMGE cells were transfected with EGFP gene using lipofection. The expression of Cell keratins of epithelial cells in GMGE cells was test by immunofluorescence. Βeta-Casein gene mRNA was test for GMGE cells by RT-PCR. The results showed that when grown at low density on a plastic substratum, the GMGE cells formed islands, and when grown to confluency, the cells formed a monolayer and aggregated with the characteristic cobble-stone morphology of epithelial cells. GMGE cells could form dome-like structure which looked like nipple, and the lumen-like structures formed among the cells. Several blister-like structures appeared in the appearance of the cells. The GMGE cells contained different cell types, majority of the cells were short shuttle-like or polygon which were beehive-like. A part of cells were round and flat, a small number of cells were elongated. Some of the GMGE cells contained milk drops. The cell nuclei were round which had 2-4 obvious cores. The expression of Cell keratins demonstrated the property of epithelial cells in GMGE cells by immunofluorescence. The GMGE cells could express transcript encoding a Βeta-Casein protein. EGFP gene was successfully transferred into the GMGE cells, and the transfected cells could be maintained long-term in culture by continuous subculturing. In conclusion, we have established a EGFP gene transfected GMGE (ET-GMGE) cell line and maintained it long-term in culture by continuous subculturing.
语言:: eng
DOI:: 10.1111/j.1439-0531.2009.01568.x

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