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Related Concept Videos

Bone Cells and Tissue01:30

Bone Cells and Tissue

Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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 bone...

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Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
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Bone tissue engineering: current strategies and techniques--part II: Cell types.

Caroline Szpalski1, Marissa Barbaro, Fabio Sagebin

  • 1Department of Plastic Surgery, New York University Langone Medical Center, New York, New York 10016, USA.

Tissue Engineering. Part B, Reviews
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PubMed
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Mesenchymal stem cells (SCs) are key to bone regeneration, but guiding their differentiation and identifying optimal sources remain challenges in tissue engineering. Research explores various SC sources for effective bone formation.

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Cell Biology

Background:

  • Bone repair involves ground substance, cells, and milieu.
  • Mesenchymal stem cells (SCs) are crucial for bone tissue engineering.
  • Guiding SC differentiation and identifying optimal sources are key challenges.

Purpose of the Study:

  • To review cell types critical for bone tissue engineering.
  • To discuss advancements and challenges in using mesenchymal stem cells (SCs) for bone regeneration.
  • To explore various SC sources for in vitro and in vivo bone formation.

Main Methods:

  • Literature review of bone repair and tissue engineering.
  • Analysis of different mesenchymal stem cell (SC) sources.
  • Discussion of cell types involved in bone regeneration.

Main Results:

  • Mesenchymal stem cells (SCs) are vital for bone tissue engineering.
  • Bone marrow-derived and adipose-derived SCs are extensively studied.
  • Other SC sources like dental pulp and induced pluripotent stem cells are under investigation.

Conclusions:

  • Understanding cell components is essential for bone repair.
  • Optimizing SC source and differentiation is critical for successful bone tissue engineering.
  • Continued research into diverse SC populations will advance bone regeneration therapies.