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Cancer Metabolism Drives a Stromal Regenerative Response

机译:癌症新陈代谢驱动了一种基质再生反应

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The metabolic reprogramming associated with malignant transformation has led to a growing appreciation of the nutrients required to support anabolic cell growth. Less well studied is how cancer cells satisfy those demands in vivo, where they are dispersed within a complex microenvironment. Tumor-associated stromal components can support tumor growth by providing nutrients that supplement those provided by the local vasculature. These non-malignant stromal cells are phenotypically similar to those that accumulate during wound healing. Owing to their immediate proximity, stromal cells are inevitably affected by the metabolic activity of their cancerous neighbors. Until recently, a role for tumor cell metabolism in influencing the cell fate decisions of neighboring stromal cells has been underappreciated. Here, we propose that metabolites consumed and released by tumor cells act as paracrine factors that regulate the non-malignant cellular composition of a developing tumor by driving stromal cells toward a regenerative response that supports tumor growth.
机译:与恶性转化相关的代谢重编程导致对支持合成代谢细胞生长所需的营养素的升高。较少的研究是癌细胞如何满足体内要求的情况,其中它们分散在复杂的微环境中。肿瘤相关的基质成分可通过提供补充由局部脉管系统提供的营养物质来支持肿瘤生长。这些非恶性基质细胞与伤口愈合期间积聚的那些相似。由于其立即接近,基质细胞不可避免地受到癌症邻居的代谢活性的影响。直到最近,肿瘤细胞代谢在影响相邻基质细胞的细胞命运决定时的作用得到了低估。在这里,我们提出肿瘤细胞消耗和释放的代谢物作为通过驱动基质细胞朝向支持肿瘤生长的再生反应来调节显影肿瘤的非恶性细胞组成。

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