Zhao Q., Yokozawa T., Tsuneyama T., Tanaka K., Miyata T., Shibahara N., Matsumoto K. Chotosan-induced improvement of cognitive deficits in senescence-accelerated mouse (SAMP8) involves normalization of angiogenic/neurotrophic factors and neuroplasticity systems in the brain. Chinese Medicine 6:33, 2011

Zhao Q., Matsumoto K., Tsuneyama K., Tanaka K., Li F., Shibahara N., Miyata T., Yokozawa T. Diabetes-induced central cholinergic neuronal loss and cognitive deficit are attenuated by tacrine and a Chinese herbal prescription, kangen-karyu: elucidation in type 2 diabetes db/db mice. J. Pharmacol. Sci. 117, 230-242, 2011

Yamada M., Hayashida M., Zhao Q., Shibahara N., Tanaka K., Miyata T., Matsumoto K. Ameliorative effects of yokukansan on learning and memory deficits in olfactory bulbectomized mice. J Ethnopharmacol. 135(3):737-746, 2011

Park C.H., Noh J.H., Tanaka T., Zhao Q., Matsumoto K., Shibahara N., Yokozawa T. Evaluation of morroniside, iridoid glycoside from Corni Fructus, on diabetes-induced alterations such as oxidative stress, inflammation, and apoptosis in the liver of type 2 diabetic db/db mice. Biol Pharm Bull. 34(10), 1559-1565, 2011

Noh JS, Park CH, Kim HY, Zhao Q, Yamabe N, Matsumoto K, Yokozawa T.  Chinese prescription Kangen-karyu prevents dyslipidaemia and oxidative stress in mouse model of type 2 diabetes. J Pharm Pharmacol. 63(1):111-119, 2011