repair torn tendons or ligamentsrs note that BMP and Smad proteins are involved in other tissues such ...In an accompanying commentary in the Journal of Clinical Investigation... <a href="http://www.bio-medicine.org/inc/biomed/biology-news.asp">http://www.bio-medicine.org/inc/biomed/biology-news.asp</a> http://feeds.bio-medicine.org/latest-biology-news rs note that BMP and Smad proteins are involved in other tissues such as nerve and liver, suggesting that this typ