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Related Concept Videos

Cancer-Critical Genes I: Proto-oncogenes01:33

Cancer-Critical Genes I: Proto-oncogenes

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Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
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Cancer-Critical Genes II: Tumor Suppressor Genes01:05

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Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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mTOR Signaling and Cancer Progression03:03

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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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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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Cancer02:18

Cancer

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Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
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Cancers Originate from Somatic Mutations in a Single Cell02:21

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Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
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Updated: Nov 17, 2025

PuraMatrix Encapsulation of Cancer Cells
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The matrix in cancer.

Thomas R Cox1,2

  • 1The Kinghorn Cancer Centre, The Garvan Institute of Medical Research, Sydney, New South Wales, Australia. t.cox@garvan.org.au.

Nature Reviews. Cancer
|February 16, 2021
PubMed
Summary
This summary is machine-generated.

The extracellular matrix (ECM) is vital for tissue health and regulates cell processes. In solid tumors, altered ECM impacts cancer progression and metastasis, driving new stromal-targeting therapies.

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Area of Science:

  • Biomedical Science
  • Cancer Biology
  • Matrix Biology

Background:

  • The extracellular matrix (ECM) is crucial for tissue structure and cellular function throughout life.
  • Altered ECM composition and mechanics are hallmarks of solid tumors, influencing cancer progression.
  • Recent technological advances facilitate deeper understanding of cell-matrix interactions in cancer.

Purpose of the Study:

  • To review the multifaceted roles of the ECM in solid cancers.
  • To highlight ECM's influence on tumor initiation, progression, and metastasis.
  • To summarize emerging matrix-centric cancer therapies.

Main Methods:

  • Literature review of matrix biology in breast, pancreatic, and lung cancer.
  • Analysis of cell-matrix interactions and their impact on tumorigenesis.
  • Synthesis of current research on stromal-targeting cancer therapies.

Main Results:

  • The ECM undergoes significant biochemical and biomechanical changes in cancer.
  • ECM interactions regulate tumor cell behavior, including proliferation and migration.
  • Matrix-centric therapies show promise for co-targeting cancer and metastasis.

Conclusions:

  • The ECM is a critical regulator of cancer development and progression.
  • Targeting the tumor microenvironment, specifically the ECM, offers novel therapeutic strategies.
  • Further research into ECM biology is essential for advancing cancer treatment.