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Related Concept Videos

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...
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Stem Cell Culture01:17

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...

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Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
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Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells

Published on: July 14, 2023

Stem cell-based bone repair.

Yurong Fei1, Ren-He Xu, Marja M Hurley

  • 1Department of Medicine, University of Connecticut Health Center; University of Connecticut Stem Cell Institute 263 Farmington Ave., Farmington, CT 06030, USA.

American Journal of Stem Cells
|May 15, 2013
PubMed
Summary
This summary is machine-generated.

Stem cell therapy shows promise for bone repair. Researchers are exploring embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) for osteoblast differentiation, while addressing safety and efficacy concerns.

Keywords:
Bone repairand bone marrow stromal/stem cellsembryonic stem cells

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Area of Science:

  • Regenerative Medicine
  • Biotechnology

Background:

  • Bone repair strategies often involve cell delivery.
  • Stem cells offer potential for bone regeneration.

Purpose of the Study:

  • To review stem cell-based approaches for bone repair.
  • To evaluate embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs), and bone marrow stromal/stem cells (BMSCs) for osteoblast differentiation.

Main Methods:

  • Review of current research on stem cell differentiation protocols.
  • Analysis of advantages and disadvantages of ESCs, iPSCs, and BMSCs in bone regeneration.

Main Results:

  • ESCs and iPSCs can differentiate into osteoblasts but pose ethical and tumorigenic risks.
  • BMSCs avoid ethical issues and immune responses but have limited self-renewal and decreased differentiation in elderly individuals.
  • Efficient and safe differentiation protocols are crucial.

Conclusions:

  • Further research is needed to identify specific BMSC markers and enhance osteogenic potential without viral vectors.
  • Eliminating undifferentiated ESCs/iPSCs is vital due to tumorigenic potential.