○Jeong Won Park1, Juhyun Shin1, Keun Young Min2, Min Geun Jo2, Min Yeong Choi2, Wahn Soo Choi2, Hyuk Soon Kim1(1.Dept. of Biomedical Sci. and Dept. Health Sci., The Grad. Sch. of Dong-A Univ., Korea, 2.Dept. of Immunol., Coll. of Med., Konkuk Univ., Korea)