- Protein kinase C mediates the signal for interferon-gamma mRNA expression in cytotoxic T cells after their adhesion to laminin. Li, Y.Q., Kobayashi, M., Yuan, L., Wang, J., Matsushita, K., Hamada, J.I., Kimura, K., Yagita, H., Okumura, K., Hosokawa, M. Immunology (1998)