Uncaria rhynchophylla, a Chinese medicinal herb, has potent antiaggregation effects on Alzheimer's β-amyloid proteins

Hironori Fujiwara, Koh Iwasaki, Katsutoshi Furukawa, Takashi Seki, Mei He, Masahiro Maruyama, Naoki Tomita, Yukitsuka Kudo, Makoto Higuchi, Takaomi C. Saido, Sumihiro Maeda, Akihiko Takashima, Masahiko Hara, Yasushi Ohizumi, Hiroyuki Arai