Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

Lining Wang; Suyang Zheng; Yang Guo; Yalan Pan; Jie Sun; Weimin Xu; Jinlan Lu; Weidong Li; Yong Ma

doi:10.3791/58895

Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

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Biology

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Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

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11:11 min

May 19, 2019

DOI: 10.3791/58895-v

Lining Wang^1,2, Suyang Zheng^1,2, Yang Guo^1,2, Yalan Pan^1,2, Jie Sun^1,2, Weimin Xu^1,2, Jinlan Lu³, Weidong Li³, Yong Ma^1,2,4

¹Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics,Nanjing University of Chinese Medicine, ²TCM Nursing Intervention Laboratory of Chronic Disease Key Laboratory,Nanjing University of Chinese Medicine, ³Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing,Nanjing University of Chinese Medicine, ⁴Department of Traumatology and Orthopedics,Affiliated Hospital of Nanjing University of Chinese Medicine

Overview

This study focuses on the isolation of osteoclasts, which are specialized macrophage polykaryons originating from the monocyte-macrophage lineage of hematopoietic stem cells. The described method allows for the efficient extraction of osteoclasts from bone marrow, facilitating research into bone metabolic diseases such as osteoporosis and periprosthetic osteolysis.

Key Study Components

Research Area

Bone metabolism
Osteoclast differentiation
Cell isolation techniques

Background

Osteoclasts play a crucial role in bone remodeling and metabolism.
Traditional methods for isolating osteoclasts are often time-consuming and hazardous.
This protocol aims to provide a safer and more efficient alternative.

Methods Used

Isolation of bone marrow cells from euthanized animals
Use of complete culture medium for cell suspension
Centrifugation and washing techniques to purify osteoclasts

Main Results

Demonstrated a reliable procedure for isolating large quantities of osteoclasts.
Provided a stable source of osteoclasts for studies on bone diseases.
Minor modifications allow for the isolation of various bone marrow-derived cells.

Conclusions

The method significantly enhances the efficiency of osteoclast isolation.
This protocol is relevant for advancing research on bone-related metabolic disorders.

Frequently Asked Questions

What are osteoclasts?

Osteoclasts are specialized cells responsible for bone resorption, playing a vital role in bone metabolism.

Why is isolating osteoclasts important?

Isolating osteoclasts is crucial for studying bone diseases and developing new therapeutic approaches.

How does this method compare to traditional techniques?

This method is safer and more efficient than traditional bone marrow isolation techniques, reducing the time and effort required.

Can this method be modified for other cell types?

Yes, with minor adjustments, this protocol can be adapted for obtaining various bone marrow-derived cell types.

What role do osteoclasts play in osteoporosis?

Osteoclasts contribute to the loss of bone density in osteoporosis by increasing bone resorption.

Is this protocol applicable to other species?

Yes, with minor modifications, it can be used for isolating cells from rats and possibly other animals.

Osteoclasts are tissue-specific macrophage polykaryons derived from the monocyte-macrophage lineage of hematopoietic stem cells. This protocol describes how to isolate bone marrow cells so that large quantities of osteoclasts are obtained while reducing the risk of accidents found in traditional methods.

This method is significant because it can be used to obtain large amounts of fully differentiated osteoclasts in vitro. The main advantage of this method is that it is more stable and safe and isolates bone marrow in less time and with less efforts compared to the traditional proceeding. This technique can provide a stable source of osteoclasts, which are the important object of bone metabolic disease, including osteoporosis, parodontitis, and periprosthetic osteolysis.

With minor modifications, this protocol can also be appropriate for obtaining various kinds of bone marrow derived the cells in rats or other animals. To begin, place euthanized animals on a disinfected board in a supine position. Using sterile scissors, make an incision approximately one centimeter in length at the proximal femur to peel the skin.

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