类似的自组织尺度不变特性表征了早期癌症侵袭和远距离物种扩散
Similar self-organizing scale-invariant properties characterize early cancer invasion and long range species spread
摘要：
通过扩散占据新的栖息地是自然界的一个中心过程。特别是，远距离扩散与物种和流行病的传播有关，尽管它以前与癌症侵袭无关，这是一个涉及扩散到新组织的过程。我们发现，癌细胞的早期扩散是类似的物种个人传播，这两个过程是由一个共同的时空签名，其特征在于由一个特定的分形几何形状的边界生成的补丁，和幂律缩放，中断补丁大小分布。我们表明，这两个属性是一个直接的结果，远距离扩散，它们反映了同源生态过程的人口自组织。我们的研究结果对于涉及远距离扩散的过程（如生物入侵、流行病和癌症转移）具有重要意义。
英文摘要：
Occupancy of new habitats through dispersion is a central process in nature. In particular, long range dispersal is involved in the spread of species and epidemics, although it has not been previously related with cancer invasion, a process that involves spread to new tissues. We show that the early spread of cancer cells is similar to the species individuals spread and that both processes are represented by a common spatio-temporal signature, characterized by a particular fractal geometry of the boundaries of patches generated, and a power law-scaled, disrupted patch size distribution. We show that both properties are a direct result of long-distance dispersal, and that they reflect homologous ecological processes of population self-organization. Our results are significant for processes involving long-range dispersal like biological invasions, epidemics and cancer metastasis.
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