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Differentiation and Characterization of Osteoclasts from Human Induced Pluripotent Stem Cells
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Osteoclast Differentiation Assay.

Jingxuan Yang1,2, Xiaohong Bi3, Min Li4,5

  • 1Department of Medicine, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

Methods in Molecular Biology (Clifton, N.J.)
|November 1, 2018
PubMed
Summary
This summary is machine-generated.

This study details a protocol for differentiating monocytes into osteoclasts, specialized bone-resorbing cells. The tartrate-resistant acid phosphatase (TRAP) assay is used for osteoclast identification in vitro.

Keywords:
BoneMCSFOsteoblastsRANKRANKLRAW264.7TRAP staining

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Area of Science:

  • Cell Biology
  • Immunology
  • Biochemistry

Background:

  • Osteoclasts are crucial multinucleated cells of monocyte/macrophage origin.
  • These cells are essential for bone resorption and matrix remodeling.
  • Identifying and quantifying osteoclasts is vital for understanding bone diseases.

Purpose of the Study:

  • To establish a generalizable protocol for inducing osteoclast differentiation.
  • To demonstrate osteoclast identification using the tartrate-resistant acid phosphatase (TRAP) assay.
  • To provide a reproducible method for in vitro osteoclast research.

Main Methods:

  • Utilizing the murine macrophage cell line RAW264.7 for differentiation.
  • Inducing osteoclastogenesis through specific culture conditions.
  • Employing the tartrate-resistant acid phosphatase (TRAP) assay for osteoclast detection.

Main Results:

  • Successful induction of osteoclast differentiation from RAW264.7 cells was achieved.
  • Osteoclasts were reliably identified and visualized using the TRAP assay.
  • The protocol provides a consistent method for generating osteoclast populations.

Conclusions:

  • The described protocol offers a reliable method for in vitro osteoclast differentiation.
  • The TRAP assay is confirmed as an effective tool for osteoclast identification.
  • This method facilitates research into osteoclast biology and bone metabolism.