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Related Experiment Video

Updated: Jun 17, 2026

Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells

Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells

Published on: April 7, 2017

Metastasis: inherent vs. acquired phenotype.

Li-jun Zhang¹, Hang Li, Li-ying Zhang

¹Department of Clinical Laboratory, Tangdu Hospital, Shaanxi, PR China.

Medical Hypotheses

|December 17, 2009

Summary

This summary is machine-generated.

Tumor cells may possess inherent metastatic ability from their origin, challenging the acquired trait model. This suggests metastasis is a continuous process driven by stem cell-like features and successful colonization at new sites.

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Experimental Metastasis Assay

Experimental Metastasis Assay

Published on: August 24, 2010

Area of Science:

Oncology
Cell Biology
Cancer Metastasis Research

Background:

The origin of tumor cell metastatic ability is debated, with classic models positing it as an acquired trait via gene mutations.
The proposed inherent metastasis model suggests metastatic potential is a constitutive feature of cells from which tumors originate.
This model is supported by tumor origins in stem/progenitor cells and the inherent migratory capacity of normal stem cells.

Purpose of the Study:

To propose and explore an inherent metastasis model for tumor cells.
To re-evaluate the mechanisms driving tumor cell migration and spread.
To identify new therapeutic targets for preventing and treating cancer metastasis.

Main Methods:

Reviewing existing evidence on stem cell migration and tumor development.
Analyzing the implications of an inherent metastasis model for tumor progression.
Identifying areas for future research to validate the proposed model.

Main Results:

The inherent metastasis model implies continuous metastatic dissemination throughout tumor development.
Disseminated tumor cells are predicted to largely possess stem cell-like characteristics.
Similar molecular pathways are suggested for stem cell and cancer cell migration.
Genomic alterations promoting tumor stem cells exacerbate metastasis.
Successful metastasis depends on disseminated cell survival and growth at ectopic sites, not just initial travel.

Conclusions:

The inherent metastasis model offers a new paradigm for understanding tumor spread.
Further research is needed to confirm if normal stem/progenitor cells migrate to ectopic sites.
Investigating normal stem cell migration mechanisms could reveal critical insights into cancer metastasis.
This understanding may lead to novel strategies for preventing and treating metastatic disease.