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Abstract
Paired box (Pax) proteins 3 and 7, which are two members of the PAX gene family, are important to animal skeletal muscle development acting their roles by mediating the expression of MyoD. These three genes expressed in several of tissues and organs in vertebrates. In order to investigate whether or not the relationships between Pax3, Pax7 and MyoD in other tissues are still similar with that in skeletal muscle, we detected the expression of Pax3, Pax7 and MyoD in duck different tissues and organs using real-time PCR technical. Results showed that these three genes not only expressed in skeletal muscle tissues, but also expressed in other tissues like heart, brain, spleen, fat and so on. The Pax3 and Pax7 also have coordinate roles in heart, spleen and brain, which are similar with that in skeletal muscle. Results indicate that the MyoD, Pax3 and Pax7 may involve in other tissues development besides skeletal muscle in duck and may also act on a similar mechanism between Pax3/7 and MyoD in skeletal muscle.
Acknowledgements
The work was supported by the National High Technology Research and Development Program of China (No.2010AA10A109), and Chinese AgricultureResearch Service (CARS-43-6)