Polyphenol-rich propolis extracts from China and Brazil exert anti-inflammatory effects by modulating ubiquitination of TRAF6 during the activation of NF-κB oleh Kai Wang, Lin Hu, Xiao-Lu Jin, Quan-Xin Ma, Maria Cristina Marcucci, Amandio Augusto Lagareiro Netto, Alexandra Christine Helena Frankland Sawaya, Shuai Huang, Wen-Kai Ren, Michael A. Conlon, David L. Topping, Fu-Liang Hu