- Adipose-specific expression, phosphorylation of Ser794 in insulin receptor substrate-1, and activation in diabetic animals of salt-inducible kinase-2. Horike, N., Takemori, H., Katoh, Y., Doi, J., Min, L., Asano, T., Sun, X.J., Yamamoto, H., Kasayama, S., Muraoka, M., Nonaka, Y., Okamoto, M. J. Biol. Chem. (2003)