Human bone marrow mesenchymal stem cells induce collagen production and tongue cancer invasion.

Human bone marrow mesenchymal stem cells induce collagen production and tongue cancer invasion.
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人骨髓间充质干细胞诱导胶原蛋白产生和舌癌侵袭。

DOI:
10.1371/journal.pone.0077692
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Salo T
Salo T
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Salo S;Bitu C;Merkku K;Nyberg P;Bello IO;Vuoristo J;Sutinen M;Vähänikkilä H;Costea DE;Kauppila JH;Lehenkari P;Dayan D;Vered M;Risteli J;Salo T

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肿瘤微环境(TME)是致癌过程中的一个活跃参与者,其组成的变化会改变癌症的生长。癌相关成纤维细胞、骨髓来源的多能间充质干细胞(BMMSC)和炎症细胞都可以影响TME的组成,导致癌细胞增殖、侵袭和转移形成的变化。在本研究中,我们通过分析侵袭进展和基因表达模式,证实了 BMMSC 与口腔舌鳞状细胞癌 (OTSCC) 细胞之间的相互作用。在三维肌瘤器官型侵袭模型中,BMMSC 的存在抑制了 OTSCC 细胞的增殖,但增加了侵袭。此外,源自 OTSCC 细胞的信号上调 BMMSC 炎症趋化因子的表达,而 BMMSC 产物则诱导癌细胞表达已知的侵袭相关分子。特别是,在细胞与细胞相互作用后,BMMSC 大量分泌趋化因子 CCL5,并且针对 CCL5 的功能阻断抗体抑制 BMMSC 增强的癌症侵袭区域。然而,CCL5阻断抗体并不能抑制侵袭深度。此外,接触 BMMSC 后,OTSCC 细胞中 I 型胶原 mRNA 的表达显着上调。有趣的是,体内 I 型胶原 N 末端前肽 (PINP) 的高表达也与 OTSCC 患者的癌症特异性死亡率相关,而癌症组织 CCL5 水平与临床参数之间没有关联。总之,我们的结果表明 BMMSC 和癌细胞之间的相互作用诱导细胞因子和基质分子表达,其中高水平的 I 型胶原蛋白产生与 OTSCC 患者的预后相关。
Tumor microenvironment (TME) is an active player in carcinogenesis and changes in its composition modify cancer growth. Carcinoma-associated fibroblasts, bone marrow-derived multipotent mesenchymal stem cells (BMMSCs), and inflammatory cells can all affect the composition of TME leading to changes in proliferation, invasion and metastasis formation of carcinoma cells. In this study, we confirmed an interaction between BMMSCs and oral tongue squamous cell carcinoma (OTSCC) cells by analyzing the invasion progression and gene expression pattern. In a 3-dimensional myoma organotypic invasion model the presence of BMMSCs inhibited the proliferation but increased the invasion of OTSCC cells. Furthermore, the signals originating from OTSCC cells up-regulated the expression of inflammatory chemokines by BMMSCs, whereas BMMSC products induced the expression of known invasion linked molecules by carcinoma cells. Particularly, after the cell-cell interactions, the chemokine CCL5 was abundantly secreted from BMMSCs and a function blocking antibody against CCL5 inhibited BMMSC enhanced cancer invasion area. However, CCL5 blocking antibody did not inhibit the depth of invasion. Additionally, after exposure to BMMSCs, the expression of type I collagen mRNA in OTSCC cells was markedly up-regulated. Interestingly, also high expression of type I collagen N-terminal propeptide (PINP) in vivo correlated with the cancer-specific mortality of OTSCC patients, whereas there was no association between cancer tissue CCL5 levels and the clinical parameters. In conclusion, our results suggest that the interaction between BMMSC and carcinoma cells induce cytokine and matrix molecule expression, of which high level of type I collagen production correlates with the prognosis of OTSCC patients.
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