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J Korean Hip Soc. 2008 Dec;20(4):320-325. Korean. Original Article. https://doi.org/10.5371/jkhs.2008.20.4.320
Chung WY , Lee WS , Kim SB , Bae IT , Park WK .
Department of Orthopaedic Surgery, Konyang University College of Medicine, Daejeon, Korea. wsleeos@kyuh.co.kr
Abstract

PURPOSE: The aim of this study was to evaluate the expression of type II collagen, aggrecan, VEGF-A and PEDF mRNAs in the human chondrocytes derived from the articular cartilage of the femoral heads with avacular necrosis (AVN). MATERIALS AND METHODS: We cultured human chondrocytes that were primarily derived from the articular cartilage of femoral heads with AVN. We evaluated the mRNA expression of type II collagen, aggrecan, VEGF-A and PEDF. RESULTS: The chondrocytes of the AVN group showed decreased expressions of type II collagen mRNA and aggrecan mRNA (p<0.05). The expression of VEGF-A mRNA and PEDF mRNA in the AVN group was the same as that of the normal group (p>0.05). CONCLUSION: The cartilage matrix's formation ability was found to be decreased in the chondrocytes of the femoral heads affected by AVN.

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