MMP1 drives tumor progression in large cell carcinoma of the lung through fibroblast senescence.

MMP1 drives tumor progression in large cell carcinoma of the lung through fibroblast senescence.
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MMP1通过成纤维细胞衰老驱动肺大细胞癌的肿瘤进展。

DOI:
10.1016/j.canlet.2021.01.028
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发表时间:
2021-06-01
期刊:
影响因子:
9.7
通讯作者:
Alcaraz J
Alcaraz J
中科院分区:
医学1区
文献类型:
--
作者:
Gabasa M;Radisky ES;Ikemori R;Bertolini G;Arshakyan M;Hockla A;Duch P;Rondinone O;Llorente A;Maqueda M;Davalos A;Gavilán E;Perera A;Ramírez J;Gascón P;Reguart N;Roz L;Radisky DC;Alcaraz J

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大细胞癌(LCC)是一种罕见的侵袭性肺癌亚型,预后差,无靶向治疗。来自LCC肿瘤的肿瘤相关成纤维细胞(TAF)表现出过早衰老,并且肺成纤维细胞与LCC细胞系的共培养选择性地诱导成纤维细胞衰老,这反过来驱动LCC细胞生长和侵袭。在这里,我们确定MMP 1在LCC细胞系中特异性过表达,并且我们表明LCC细胞表达MMP 1对于诱导成纤维细胞衰老和随后的细胞培养和小鼠模型中的肿瘤促进是必要的。我们还发现,MMP 1与TGF-β 1的组合足以诱导成纤维细胞衰老和随后的LCC促进。此外,我们暗示PAR-1和氧化应激在MMP 1/TGF-β 1诱导的TAF衰老中起作用。我们的研究结果确立了MMP 1在癌症中的全新作用,并支持基于靶向衰老TAF的LCC新治疗策略。
Large cell carcinoma (LCC) is a rare and aggressive lung cancer subtype with poor prognosis and no targeted therapies. Tumor-associated fibroblasts (TAFs) derived from LCC tumors exhibit premature senescence, and coculture of pulmonary fibroblasts with LCC cell lines selectively induces fibroblast senescence, which in turn drives LCC cell growth and invasion. Here we identify MMP1 as overexpressed specifically in LCC cell lines, and we show that expression of MMP1 by LCC cells is necessary for induction of fibroblast senescence and consequent tumor promotion in both cell culture and mouse models. We also show that MMP1, in combination with TGF-β1, is sufficient to induce fibroblast senescence and consequent LCC promotion. Furthermore, we implicate PAR-1 and oxidative stress in MMP1/TGF-β1-induced TAF senescence. Our results establish an entirely new role for MMP1 in cancer, and support a novel therapeutic strategy in LCC based on targeting senescent TAFs.
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