Drug resistant cells with very large proliferative potential grow exponentially in metastatic prostate cancer

Krastan B Blagoev1,2, Roumen Iordanov3, Mengxi Zhou4,5

  • 1National Science Foundation, Alexandria, VA 22230, USA.

Oncotarget
|January 18, 2021
PubMed

Insights

Drug-resistant cancer cells drive metastatic growth. These metastasis-causing cells (MCC) form exponentially growing tumors, leading to continued tumor burden despite various treatments in patients with metastatic prostate cancer.

Area of Science:

  • Oncology
  • Cancer Biology
  • Mathematical Biology

Background:

  • Metastatic cancers often develop drug resistance during treatment.
  • Phenotypically plastic, stem-cell-like cancer cells are implicated in metastasis formation.
  • The population structure and growth dynamics of metastatic tumors remain poorly understood.

Purpose of the Study:

  • To investigate the population structure and growth dynamics of drug-resistant cells in metastatic tumors.
  • To determine the role of metastasis-causing cells (MCC) in tumor growth during treatment.

Main Methods:

  • Utilized scaling analysis of clinical data.
  • Analyzed tumor burden data from patients with metastatic prostate cancer.

Main Results:

  • Identified drug-resistant metastasis-causing cells (MCC) as a key driver of tumor growth.
  • Demonstrated that MCC can generate exponentially growing, drug-resistant tumors.
  • Showed that these tumors contribute to sustained tumor burden throughout different treatment regimens.

Conclusions:

  • Drug-resistant metastasis-causing cells (MCC) are responsible for the growth of metastatic tumors.
  • The inherent properties of MCC lead to exponential tumor growth and resistance to therapy.
  • Understanding MCC dynamics is crucial for developing effective treatments for metastatic cancers.

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