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Adaptive Mechanisms in Cancer Cells02:53

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
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Updated: Dec 31, 2025

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
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Prostate Cancer Energetics and Biosynthesis.

Chenchu Lin1,2, Travis C Salzillo1,2, David A Bader3

  • 1Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.

Advances in Experimental Medicine and Biology
|January 5, 2020
PubMed
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Prostate cancer exhibits unique metabolic alterations during tumor growth and progression. Understanding these metabolic changes and their regulators can lead to new biomarkers and targeted therapies for improved patient care.

Keywords:
ARImagingMetabolismProstate cancer

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Area of Science:

  • Oncology
  • Cancer Metabolism
  • Molecular Biology

Background:

  • Cancer cells require altered metabolism for energy and building blocks to support rapid tumor growth.
  • Cancer cells must adapt to challenging tumor microenvironments, such as hypoxia.
  • Altered metabolism is a recognized hallmark of cancer, with distinct profiles in different malignancies.

Purpose of the Study:

  • To describe metabolic alterations in prostate cancer during tumorigenesis and progression.
  • To identify upstream regulators controlling these metabolic changes.
  • To discuss the application of this knowledge in developing novel biomarkers and targeted therapies.

Main Methods:

  • Comparative analysis of metabolic profiles in prostate cancer versus benign tissue.
  • Investigation of metabolic changes throughout disease progression.
  • Identification and analysis of upstream regulatory factors.

Main Results:

  • Prostate cancer metabolism differs significantly from benign prostate tissue.
  • Distinct metabolic characteristics differentiate prostate cancer from other tumor types.
  • Specific metabolic alterations occur during initial tumorigenesis and disease progression.

Conclusions:

  • Prostate cancer metabolism is significantly altered and unique.
  • Understanding these alterations and their regulation is crucial for therapeutic development.
  • New biomarkers and targeted therapies are emerging based on metabolic insights.