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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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Bone Disorders01:29

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Spongy Bone01:09

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All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
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Long and Short Bones
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Related Experiment Video

Updated: Mar 10, 2026

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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Osteosarcoma Overview.

Brock A Lindsey1, Justin E Markel2, Eugenie S Kleinerman3

  • 1Department of Orthopaedics, West Virginia University, Morgantown, WV, USA. blindsey@hsc.wvu.edu.

Rheumatology and Therapy
|December 10, 2016
PubMed
Summary
This summary is machine-generated.

Osteosarcoma (OS) research needs new perspectives due to poor outcomes. Immunomodulation may offer a comprehensive approach to treating this heterogeneous bone cancer.

Keywords:
Bone cancerBone sarcomaMetastatic osteosarcomaOsteosarcomaTreatment for sarcoma

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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
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Area of Science:

  • Oncology
  • Orthopedic Oncology
  • Cancer Research

Background:

  • Osteosarcoma (OS) is the most common primary bone cancer.
  • Metastatic or recurrent OS significantly worsens patient prognosis.
  • Limited prognostic improvements over the past 20 years necessitate novel research directions.

Purpose of the Study:

  • To review current understanding of OS etiology, diagnostics, and standard care.
  • To describe experimental therapeutics for osteosarcoma.
  • To advocate for immunomodulation as a paradigm shift in OS treatment.

Main Methods:

  • Literature review of osteosarcoma etiology and diagnostics.
  • Summary of current standard of care (surgery and chemotherapy).
  • Analysis of experimental biologics, small molecules, and immunomodulatory therapies.

Main Results:

  • Osteosarcoma etiology remains multifactorial and controversial.
  • Diagnosis relies on imaging and biopsy, with histology crucial for prognosis.
  • Numerous experimental therapies are in development, with immunomodulation showing promise.

Conclusions:

  • Current osteosarcoma treatments have limitations.
  • Immunomodulation presents a potential new strategy to combat cancer heterogeneity.
  • A paradigm shift towards immunomodulatory approaches may improve outcomes for osteosarcoma patients.