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Related Concept Videos

Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

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Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
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Cancer Stem Cells and Tumor Maintenance02:40

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Distinctive Features of Adult Stem Cells vs Cancer Stem Cells01:18

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A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
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Stem Cell Therapy for Tissue Regeneration01:21

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
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Mesenchymal Stem Cells01:19

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Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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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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Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma
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Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma

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[Stem cells in cancer].

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    Summary
    This summary is machine-generated.

    Adult bodies have stem cells that regenerate tissues. Some cancer cells, termed cancer stem cells, also regenerate, offering potential targets for tumor growth control.

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    Area of Science:

    • Stem cell biology
    • Cancer biology
    • Molecular regulation

    Context:

    • Normal adult tissues contain undifferentiated stem cells essential for cell replacement and tissue repair.
    • Malignant tumors harbor distinct cancer stem cells (CSCs) with enhanced self-renewal and proliferative capabilities.
    • CSCs share molecular and regulatory similarities with normal stem cells.

    Purpose:

    • To investigate the regulatory mechanisms governing CSC self-regeneration.
    • To identify potential therapeutic targets for controlling tumor growth by understanding CSC biology.
    • To explore the parallels between normal stem cell regulation and CSC proliferation.

    Summary:

    • This research examines the properties of cancer stem cells (CSCs), a subpopulation within tumors responsible for tumor growth and regeneration.
    • CSCs exhibit characteristics similar to normal stem cells, including self-renewal and the production of progeny.
    • Understanding the regulation of CSCs is crucial for developing novel therapeutic strategies.

    Impact:

    • Potential for developing targeted therapies against cancer stem cells.
    • Advancing the understanding of tumor heterogeneity and progression.
    • Opening new avenues for cancer treatment by targeting CSC self-renewal mechanisms.