Zhao Q., Murakami Y., Tohda M., Obi R., Shimada Y., Matsumoto K. Chotosan, a Kampo formula, ameliorates chronic cerebral hypoperfusion-induced deficits in object recognition behaviors and in central cholinergic systems in mice. J. Pharmacol. Sci. 103: 360-373, 2007

Sumanont Y., Murakami Y., Tohda M., Vajragupta O., Watanabe H., Matsumoto K. Effects of manganese complexes of curcumin and diacetylcurcumin on kainic acid-induced neurotoxic responses in the rat hippocampus. Biol. Pharm. Bull. 30(9) 1732-1739, 2007

Obi R., Tohda M., Zhao Q, Obi N., Hori H., Murakami Y., Goto H., Shimada Y., Ochiai H., Matsumoto K. Chotosan enhances Macrophage colony-stimulating factor mRNA expression in the ischemic rat brain and C6Bu-1 glioma cells. Biol. Pharm. Bull. 30:2250-2256, 2007

Li S, Wang C, Wang M, Li W, Matsumoto K, Tang Y. Antidepressant like effects of piperine in chronic mild stress treated mice and its possible mechanisms. Life Sci. 80(15):1373-1381, 2007

Hussein G., Nakagawa T., Goto H., Matsumoto K., Sankawa U., Watanabe H. Astaxanthin Ameliorates Features of Metabolic Syndrome in SHR/NDmcr-cp. Life Sci. 80:522-529, 2007