Positive Correlation of RANK Expression on Human Monocytes with Age: RANK Expressed on Human Monocytes may play a Role in Senile Osteoporosis

Yuki Nanke^*, Tsuyoshi Kobashikawa, Toru Yago, Manabu Kawamoto, Hisashi Yamanaka and Shigeru Kotake

Institute of Rheumatology, Tokyo Women’s Medical University, Shinjuku-ku, Tokyo, Japan

^*Corresponding Author: Yuki Nanke, Institute of Rheumatology, Tokyo Women’s Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo, Japan, Tel: +81-3-5269-1725, Fax: +81-3-5269-1726 Email: