Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Cartilage tissue engineering using thyroid chondrocytes on a type I collagen matrix.

B A Wambach1, H Cheung, G D Josephson

  • 1Department of Otolaryngology--Head and Neck Surgery, University of Miami, Florida, USA.

The Laryngoscope
|December 29, 2000
PubMed
Summary

This study explores the use of bovine collagen type I matrices as a scaffold for cartilage tissue engineering. Researchers seeded thyroid chondrocytes from dogs onto these matrices and observed their growth in the lab. The chondrocytes produced type II collagen, a key component of cartilage, suggesting that the matrix supports cartilage formation. Histological analysis confirmed successful tissue development. The findings indicate that bovine collagen matrices may be a viable option for tissue engineering. This approach could address the limited availability of autologous cartilage in reconstructive surgery. The study provides preliminary evidence for the potential of this scaffold material. Further research is needed to confirm these results and explore broader applications.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A prospective randomized controlled trial evaluating the short-term outcomes of transanal hemorrhoidal dearterialization versus tissue-selecting technique.

Techniques in coloproctology·2017
Same author

Does the Current Recommended Target LDL Goal Improve Survival for Acute Coronary Syndrome Patients in Hong Kong?

Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research·2016
Same author

Safety and efficacy of pharmacological thromboprophylaxis for hospitalized patients with cirrhosis: a single-center retrospective cohort study.

Journal of thrombosis and haemostasis : JTH·2015
Same author

Erdheim-Chester disease: an uncommon cause of upper urinary tract obstruction.

Hong Kong medical journal = Xianggang yi xue za zhi·2013
Same author

The impact of POSSUM score on the long-term outcome of patients with rectal cancer.

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2013
Same author

The BMP2/7 heterodimer inhibits the human breast cancer stem cell subpopulation and bone metastases formation.

Oncogene·2011

Area of Science:

  • Tissue engineering in reconstructive surgery
  • Collagen matrix applications in biomedical research

Background:

Reconstructive surgery in the head and neck region frequently requires durable materials that can provide structural support without being rejected by the body. While autologous cartilage is a preferred option, its availability is limited. This limitation has driven interest in tissue engineering as an alternative. Tissue engineering involves extracting chondrocytes from a small cartilage sample and expanding them in culture. These cells are then placed onto a scaffold to promote cartilage growth. However, identifying a suitable scaffold remains a significant challenge. Previous studies have explored various matrices, but none have consistently produced functional cartilage. The search for a biocompatible matrix has become a central focus in advancing this field. This gap in knowledge has motivated researchers to investigate new materials. Bovine collagen matrices are emerging as a potential solution. This study contributes to the ongoing effort to improve scaffold compatibility for cartilage tissue engineering.

Purpose Of The Study:

Keywords:
cartilage tissue engineeringbovine collagen matrixtissue engineering scaffoldsreconstructive surgery

Frequently Asked Questions

The main outcome was that thyroid chondrocytes produced type II collagen on the matrices, indicating successful cartilage formation.

Thyroid chondrocytes were selected due to their availability and potential for cartilage regeneration in tissue engineering.

The production of type II collagen suggests that the chondrocytes are expressing a cartilage-specific phenotype on the matrix.

Success was evaluated through histological analysis, which confirmed cartilage-like tissue formation and type II collagen expression.

Related Experiment Videos

The goal of this research was to evaluate the potential of bovine collagen type I matrices as scaffolds for cartilage tissue engineering. The study aimed to determine whether thyroid chondrocytes could be successfully cultured on these matrices. Researchers sought to assess the viability of using a collagen scaffold to support chondrocyte growth and function. The study focused on the phenotypic expression of chondrocytes in this environment. By using thyroid chondrocytes from dogs, the team tested the matrix's ability to support cartilage formation. The purpose was to provide preliminary evidence for a new scaffold material. This approach could address the current limitations in cartilage tissue engineering. The findings may guide future research on matrix compatibility and cartilage regeneration.

Main Methods:

The study utilized chondrocytes harvested from the thyroid cartilage of dogs. These cells were isolated and cultured in vitro to expand their numbers. Bovine collagen type I matrices were prepared as scaffolds for cell seeding. The matrices were selected based on their biocompatibility and structural properties. Chondrocytes were seeded onto the matrices and allowed to grow in a controlled environment. Histological evaluation was performed to assess cell behavior and matrix integration. The presence of type II collagen was used as a marker of successful chondrocyte activity. The experimental design focused on evaluating the matrix's suitability for cartilage engineering.

Main Results:

The study found that thyroid chondrocytes seeded onto bovine collagen type I matrices expressed a chondrocytic phenotype. These cells produced type II collagen, indicating successful phenotypic expression. Histological analysis confirmed the presence of cartilage-like tissue on the matrices. The matrices supported cell growth and matrix production without significant rejection. The results suggest that bovine collagen type I matrices can serve as effective scaffolds. The observed tissue formation was consistent with that of native cartilage. These findings represent a preliminary but promising step in scaffold development. The study highlights the potential of this matrix for future cartilage engineering applications.

Conclusions:

The authors propose that bovine collagen type I matrices may serve as a viable scaffold for cartilage tissue engineering. The study demonstrates that thyroid chondrocytes can produce type II collagen on these matrices. This finding supports the hypothesis that the matrix can facilitate cartilage formation. The results suggest that this scaffold is worth further investigation in tissue engineering. The observed histological outcomes indicate successful cell-matrix interaction. The study does not claim that this matrix is the definitive solution but presents it as a promising option. The authors emphasize the need for additional research to confirm these preliminary findings. The study contributes to the ongoing exploration of biocompatible scaffolds in reconstructive surgery.

Bovine collagen matrices are biocompatible and structurally suitable for supporting chondrocyte growth and cartilage formation.

The authors suggest that this matrix is a promising scaffold worth further investigation in cartilage tissue engineering.