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Related Concept Videos

Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
The Tumor Microenvironment02:17

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
The Tumor Microenvironment02:17

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...

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Three-dimensional Co-culture Model for Tumor-stromal Interaction
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Chapter 3: The shifting balance between CLU forms during tumor progression.

Sabina Pucci1, Saverio Bettuzzi

  • 1Department of Biopathology, University of Rome Tor Vergata, Rome, Italy.

Advances in Cancer Research
|November 3, 2009
PubMed
Summary

Cancer cell survival and spread depend on metabolic shifts, including early anaerobic glycolysis and later fatty acid metabolism. These changes influence cancer progression and are linked to alterations in CLU protein forms.

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Area of Science:

  • Oncology
  • Cancer Metabolism
  • Molecular Biology

Background:

  • Cancer cell transformation is intrinsically linked to significant metabolic alterations.
  • Both early (anaerobic glycolysis) and late (fatty acid metabolism) metabolic changes are crucial for cancer progression and clinical manifestation.
  • Metabolic genes like fatty acid synthase (FASN) and carnitine palmitoyl transferase I (CPT I) are implicated in cancer development.

Purpose of the Study:

  • To investigate the relationship between metabolic shifts during tumor progression and the changing balance of nuclear and secreted forms of CLU (nCLU/sCLU).
  • To understand how metabolic reprogramming influences cancer cell fate and tumor progression.

Main Methods:

  • The study likely involved analyzing metabolic profiles of cancer cells at different stages of progression.
  • Investigating the expression and localization of CLU protein forms in relation to identified metabolic changes.
  • Potentially utilizing cell culture models and patient-derived samples.

Main Results:

  • Metabolic shifts, including changes in glycolysis and fatty acid metabolism, are associated with cancer progression.
  • A correlation was observed between these metabolic changes and a shift in the nCLU/sCLU balance.
  • The alteration in CLU forms appears to be influenced by the metabolic reprogramming characteristic of different tumor progression stages.

Conclusions:

  • Metabolic reprogramming is a key driver in cancer progression, influencing both cell survival and disease spread.
  • The balance between nuclear and secreted CLU forms is dynamically regulated by metabolic shifts during tumor development.
  • Targeting metabolic pathways and understanding CLU regulation may offer novel therapeutic strategies for cancer.