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Annals of Biomedical Engineering

Annals of Biomedical Engineering

IF: 5.4
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Comparative Analysis of Hyaline Cartilage Characteristics and Chondrocyte Potential for Articular Cartilage Repair

Published:8 January 2024 DOI: 10.1007/s10439-023-03429-1 PMID: 38190025
Cheng Chiu, Kaiwen Zheng, Mengxin Xue, Dajiang Du

Abstract

This study aimed to compare the histological, biochemical, and mechanical characteristics of hyaline cartilage in different regions and evaluate the potential of chondrocytes extracted from each region as donor sources for articular cartilage repair. The cartilage tissues of the femoral head and knee joint, ribs, nasal septum, thyroid, and xiphoid process of adult Bama pigs were isolated for histological, biochemical, and mechanical evaluation and analysis. The corresponding chondrocytes were isolated and evaluated for proliferation and redifferentiation capacity, using biochemical and histological analysis and RT-PCR experiments. Compared with articular cartilage, non-articular hyaline cartilage matrix stained more intensely in Safranin-O staining. Glycosaminoglycan and total collagen content were similar among all groups, while the highest content was measured in nasal septal cartilage. Regarding biomechanics, non-articular cartilage is similar to articular cartilage, but the elastic modulus and hardness are significantly higher in the middle region of costal cartilage. The chondrocytes extracted from different regions had no significant difference in morphology. Hyaline cartilage-like pellets were formed in each group after redifferentiation. The RT-PCR results revealed similar expressions of cartilage-related genes across the groups, albeit with lower expression of Col2 in the xiphoid chondrocytes. Conversely, higher expression of Col10 was observed in the chondrocytes from the rib, thyroid, and xiphoid cartilage. This study provides valuable preclinical data for evaluating heterotopic hyaline cartilage and chondrocytes for articular cartilage regeneration. The findings contribute to the selection of chondrocyte origins and advance the clinical translation of technology for cartilage regeneration.

Substances (12)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Chondroitin sulfate 9007-28-7 C13H21NO15S 603 suppliers $10.00-$1309.90
Chondroitin sulfate 9007-28-7 C13H21NO15S 603 suppliers $10.00-$1309.90
Chondroitin sulfate 9007-28-7 C13H21NO15S 603 suppliers $10.00-$1309.90
Chondroitin sulfate 9007-28-7 C13H21NO15S 603 suppliers $10.00-$1309.90
Chondroitin sulfate 9007-28-7 - Inquiry
Chondroitin sulfate 9007-28-7 - Inquiry
Chondroitin sulphate 9007-28-7 - Inquiry
Chondroitin sulphate 9007-28-7 - Inquiry
Chondroitin sulfate 9007-28-7 - Inquiry
Chondroitin sulfate 9007-28-7 - Inquiry

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