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Orthotopic Hind Limb Transplantation in the Mouse
Published on: February 12, 2016
Xenotransplantation in orthopaedic surgery
Cato T Laurencin1, Saadiq F El-Amin
1Department of Orthopaedic Surgery, The University of Virginia, Charlottesville, VA, 22903, USA.
The Journal of the American Academy of Orthopaedic Surgeons
|January 9, 2008
Summary
Xenotransplantation uses animal-derived materials for human treatments, with FDA-cleared orthopaedic products from bovine or porcine sources. While disease transmission risk is low, potential for undetected agent transfer remains a concern.
Area of Science:
- Biomedical Science
- Regenerative Medicine
- Surgical Innovation
Background:
- Xenotransplantation involves using nonhuman animal cells, tissues, or organs in human recipients.
- The U.S. Food and Drug Administration (FDA) currently defines xenotransplantation concerning live, nonhuman materials.
- The application of xenotransplanted tissues for treating diverse human diseases is expanding.
Purpose of the Study:
- To define xenotransplantation broadly, encompassing ex vivo contact with animal materials.
- To review the current landscape of xenotransplantation in orthopaedic surgery.
- To address safety concerns related to xenotransplantation.
Main Methods:
- Literature review of xenotransplantation definitions and FDA regulations.
- Analysis of commercially available xeno-based products in orthopaedics.
- Examination of international studies on disease transmission risks.
Main Results:
- Orthopaedic surgery utilizes FDA-cleared xeno-based products for bone, cartilage, and soft-tissue repair.
- Commonly used xenografts are derived from bovine and porcine sources.
- International research indicates a low relative risk of disease transmission from xenografts.
Conclusions:
- Xenotransplantation definitions are evolving to include broader applications.
- While generally safe, vigilance is required for potential transmission of undetected or novel pathogens.
- Continued research is essential to ensure the safety and efficacy of xenotransplantation therapies.

