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Bone morphogenetic protein-7 regulates differentially the mRNA expression of bone morphogenetic proteins and their receptors in rat achilles and patellar tendon cell cultures

✍ Scribed by Lee-Chuan C. Yeh; Alicia D. Tsai; John C. Lee

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
645 KB
Volume
104
Category
Article
ISSN
0730-2312

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✦ Synopsis

Abstract

Previous animal studies have suggested that certain bone morphogenetic proteins (BMPs) may be useful therapeutically in treating tendon healing. To better understand the relationship among the different BMPs in the healing process, we initiated the present study to examine the effects of a member of the BMP family, BMP‐7 (also called Osteogenic Protein‐1) on the temporal and spatial expression patterns of other BMPs and the BMP receptors in cell cultures of adult rat Achilles and Patellar tendons. Cultures from both tendon types expressed detectable but variable levels of biochemical markers characteristics of tendons. RNAs coding for type II collagen and transcription factors Six1, Scleraxis, and Tendin were detected in both types of cultures. Distinct patterns of expression of several BMP members and their receptors were observed in these cultured cells and BMP‐7 exerted differential effects on their expression. The findings may have implications in the treatment of different tendon injuries with BMPs. J. Cell. Biochem. 104: 2107–2122, 2008. Β© 2008 Wiley‐Liss, Inc.

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