1. Laboratory of Inflammation and Molecular Pharmacology, School of Basic Medical Sciences & Biomedical Research Institute Hubei University of Medicine Shiyan 442000 P. R. China
2. First Clinical College Hubei University of Medicine Shiyan 442000 P. R. China
3. Hubei Key Laboratory of Natural Products Research and Development China Three Gorges University Yichang 443002 P. R. China
4. Institute of Medicine and Nursing Hubei University of Medicine Shiyan 442000 P. R. China