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Rous Sarcoma Virus (RSV) and Cancer01:03

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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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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
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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.
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Adult Stem Cells01:33

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Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
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Related Experiment Video

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Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma
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Soft Tissue Sarcoma Cancer Stem Cells: An Overview.

Katia C Genadry1, Silvia Pietrobono2, Rossella Rota2

  • 1Division of Hematology-Oncology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States.

Frontiers in Oncology
|November 13, 2018
PubMed
Summary

Soft tissue sarcomas (STSs) are diverse cancers. Research suggests cancer stem cells (CSCs) may be a common target, offering a potential therapeutic Achilles' heel for these challenging non-bony tumors.

Keywords:
cancer stem cellsdevelopmental pathwaysepigenetic plasticitysarcomasoft tissue sarcomastemness

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Area of Science:

  • Oncology
  • Cancer Biology
  • Stem Cell Research

Background:

  • Soft tissue sarcomas (STSs) are rare, heterogeneous cancers originating from mesenchymal cells.
  • Their diversity complicates the identification of universal therapeutic targets.
  • The cancer stem cell (CSC) hypothesis proposes a common underlying mechanism for tumor initiation and resistance.

Purpose of the Study:

  • To review evidence for CSCs in common STSs.
  • To examine methods for studying CSCs.
  • To explore signaling pathways and epigenetic alterations critical for CSC identity in STSs.

Main Methods:

  • Literature review of published evidence on CSCs in STSs.
  • Analysis of methodologies used for CSC identification and characterization.
  • Examination of developmental signaling pathways and epigenetic modifications implicated in CSCs.

Main Results:

  • Evidence supports the presence of CSCs across various common STS subtypes.
  • Specific developmental pathways and epigenetic factors are crucial for CSC maintenance.
  • Understanding these CSC features may reveal common therapeutic vulnerabilities.

Conclusions:

  • CSCs represent a potential unifying target for diverse soft tissue sarcomas.
  • Further research into CSC-specific pathways and epigenetics is warranted.
  • Identifying and targeting CSCs could overcome therapeutic resistance and recurrence in STSs.