Biomechanical properties of tissue-engineered cartilage from human and rabbit chondrocytes

被引：5

作者：

Park, SS

Chi, DH

Lee, AS

Taylor, SR

Iezzoni, JC

机构：

[1] Univ Virginia, Med Ctr, Dept Otolaryngol Head & Neck Surg, Charlottesville, VA 22908 USA

[2] Univ Virginia, Dept Mat Sci & Engn, Charlottesville, VA 22908 USA

[3] Univ Virginia, Dept Pathol, Charlottesville, VA 22908 USA

来源：

OTOLARYNGOLOGY-HEAD AND NECK SURGERY | 2002年 / 126卷 / 01期

关键词：

D O I：

10.1067/mhn.2002.121021

中图分类号：

R76 [耳鼻咽喉科学];

学科分类号：

100213 ;

摘要：

OBJECTIVE: To describe tissue-engineered cartilage from rabbit and human chondrocytes. STUDY DESIGN AND SETTING: Chondrocytes from rabbit and human ears were seeded onto a template and implanted for 8 or 16 weeks of in vivo incubation. RESULTS: For the 8-week and 16-week groups, the UTS for cartilage was 3.8 MPa and 3.7 MPa, stiffness was 62.4 MPa and 51.8 MPa, and resilience was 181.8 J/m(3) and 109.1 J/m(3), respectively. Experimental cartilage was significantly different from controls. From 5 human specimens, the UTS was 5.4 MPa, stiffness was 6.6 MPa, and resilience was 2.0 J/m(3). The control had UTS of 8.8 MPa, stiffness of 12.2 MPa, and resilience of 2.9 J/m(3), Histology showed mature cartilage but with a fibrovascular infiltrate and increased cellularity. CONCLUSIONS: Mechanical properties of tissue-engineered cartilage can be quantified and are less than that of controls.

引用

页码：52 / 57

页数：6

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