- Defective Chemokine-Directed Lymphocyte Migration and Development in the Absence of Rho Guanosine Diphosphate-Dissociation Inhibitors {alpha} and beta. Ishizaki, H., Togawa, A., Tanaka-Okamoto, M., Hori, K., Nishimura, M., Hamaguchi, A., Imai, T., Takai, Y., Miyoshi, J. J. Immunol. (2006)