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Related Concept Videos

Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Bone Remodeling01:40

Bone Remodeling

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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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.
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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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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Related Experiment Video

Updated: Apr 26, 2026

Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines
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Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines

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Cancer and bone: a complex complex.

Marjolein van Driel1, Johannes P T M van Leeuwen1

  • 1Department of Internal Medicine, Erasmus MC Rotterdam, Room Ee585c, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands.

Archives of Biochemistry and Biophysics
|July 22, 2014
PubMed
Summary

This review explores primary and secondary bone cancers, detailing how tumor cells interact with the bone micro-environment to promote growth and evade treatment. Understanding these complex mechanisms is crucial for developing effective therapeutic interventions.

Keywords:
BoneCancerMetastasesMicroenvironmentTherapy

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Last Updated: Apr 26, 2026

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Area of Science:

  • Oncology
  • Cell Biology
  • Biomedical Science

Background:

  • Primary and secondary bone cancers are rare but involve complex interactions within the bone micro-environment.
  • Tumor cells exploit the bone micro-environment for colonization and expansion, impacting bone cells and regulatory pathways.
  • Cancer cells manipulate their surroundings to enhance growth and resist therapy, leading to poor patient outcomes.

Purpose of the Study:

  • To review the biological mechanisms of primary bone malignancies including osteosarcoma, Ewing's sarcoma, chondrosarcoma, and multiple myeloma.
  • To discuss the biological mechanisms of secondary bone malignancies, specifically bone metastases.
  • To explore current and emerging therapeutic interventions for bone cancers.

Main Methods:

  • Literature review of primary and secondary bone malignancies.
  • Analysis of cellular and molecular interactions within the bone micro-environment.
  • Synthesis of information on therapeutic strategies.

Main Results:

  • Bone micro-environment facilitates tumor cell entry, colonization, and expansion.
  • Tumor cells reprogram the bone micro-environment to support their growth and therapeutic resistance.
  • Significant progress is being made in understanding bone-cancer cell communication and developing targeted therapies.

Conclusions:

  • Understanding the intricate interplay between bone cells and cancer cells is vital for improving patient outcomes.
  • Targeted therapeutic interventions are being developed based on elucidated biological mechanisms.
  • Further research into bone cancer biology and micro-environment interactions holds promise for novel treatments.