Bone marrow-derived myofibroblasts promote colon tumorigenesis through the IL-6/JAK2/STAT3 pathway.

Bone marrow-derived myofibroblasts promote colon tumorigenesis through the IL-6/JAK2/STAT3 pathway.
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骨髓来源的肌成纤维细胞通过 IL-6/JAK2/STAT3 途径促进结肠肿瘤发生。

DOI:
10.1016/j.canlet.2013.09.017
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发表时间:
2014-02
期刊:
影响因子:
9.7
通讯作者:
Tu, Shui Ping
Tu, Shui Ping
中科院分区:
医学1区
文献类型:
--
作者:
Lu, Yiming;Wang, Timothy C;Yang, Chung S;Tu, Shui Ping

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骨髓源性肌成纤维细胞(BMF)已被证明可以促进肿瘤生长。在这里,我们发现BMF或BMF条件培养基(BMF-CM)诱导结肠癌细胞的癌干细胞样球体形成。与单独培养的BMF或癌细胞相比,共培养的BMF而非共培养的癌细胞表达更高水平的IL-6。小鼠癌细胞中的抗小鼠IL-6中和抗体、JAK 2抑制剂和STAT 3敲低减少了BMF和BMF-CM诱导的结肠癌细胞球体形成。当共同注射时,BMF显著增强了小鼠结肠癌细胞的肿瘤发生。我们的研究结果表明,BMF通过激活IL-6/JAK 2/STAT 3通路促进肿瘤发生。
Bone marrow-derived myofibroblasts (BMFs) have been shown to promote tumor growth. Here, we found that BMFs or BMF conditioned medium (BMF-CM) induced cancer stem cell-like sphere formation of colon cancer cells. The co-cultured BMFs, but not co-cultured cancer cells, expressed higher levels of IL-6 than BMFs or cancer cells cultured alone. Anti-mouse IL-6 neutralizing antibody, JAK2 inhibitors and STAT3 knockdown in mouse cancer cells reduced BMF- and BMF-CM-induced sphere formation of colon cancer cells. When co-injected, BMFs significantly enhanced tumorigenesis of colon cancer cells in mice. Our results demonstrate that BMFs promote tumorigenesis via the activation of the IL-6/JAK2/STAT3 pathway.
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发表时间: 2011-12
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影响因子: --
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