Involvement of extracellular signal-regulated kinase and p 38 in human diabetic nephropathy - Sakai, N; Wada, T; Furuichi, K; Iwata, Y; Yoshimoto, K; Kitagawa, K; Kokubo, S; Kobayashi, M; Hara, A; Yamahana, J; Okumura, T; Takasawa, K; Takeda, S; Yoshimura, M; Kida, H; Yokoyama, H (Am J Kidney Dis, 2005)