A Retinoid X Receptor Agonist Directed to the Large Intestine Ameliorates T-Cell-Mediated Colitis in Mice oleh Ryohtaroh Matsumoto, Daisuke Takahashi, Masaki Watanabe, Shunsuke Nakatani, Yuta Takamura, Yuji Kurosaki, Hiroki Kakuta, Koji Hase, Koji Hase