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题目:: Expression of lumican in human colorectal cancer cells.
作者:: Lu(Yue Ping),Ishiwata(Toshiyuki),Kawahara(Kiyoko),Watanabe(Masanori),Naito(Zenya),Moriyama(Yukichi),Sugisaki(Yuichi),Asano(Goro)
状态:: 发布时间2002-10-07 , 更新时间 2016-11-24
期刊:: Pathol Int
摘要:: Lumican is a member of a small leucine-rich proteoglycan family and its overexpression in human breast cancer tissues is reported to influence the growth of cancer cells. In the present study, we aimed to clarify the expression of lumican mRNA and its protein in human colorectal cancer cell lines and their localization in normal and cancerous colorectal tissues. Reverse transcription-polymerase chain reaction and western blot analysis revealed lumican mRNA and its protein expression in COLO 205, DLD-1, HCT-15, SW 480 and WiDr colorectal cancer cell lines. The lumican in colorectal cancer cells had non-sulfated or poorly sulfated polylactosamine side chains. Based on its immunoreactivity, the lumican protein was found to be localized in fibroblasts and stromal tissues of normal colorectal tissues, but not in colorectal epithelial cells. In colorectal cancer tissues, the lumican was strongly localized in cancer cells in eight of 12 cancer cases. The lumican protein was also localized in epithelial cells with mild reactive dysplasia and fibroblasts adjacent to cancer cells. Lumican mRNA was expressed in cancer cells and adjacent fibroblasts, and epithelial cells. These findings may indicate that the lumican protein synthesized by cancer cells, fibroblasts and epithelial cells with mild reactive dysplasia found adjacent to cancer cells may affect the growth of human colorectal cancer cells.
语言:: eng
DOI:

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