1. Zhao, L., Melenhorst, J.J. and Hennighausen, L. (2002). Loss of interleukin 6 results in delayed mammary gland involution: a possible role for mitogen-activated protein kinase and not signal transducer and activator of transcription 3. Mol. Endocrinol. 16:2902-2912.
2. Humphreys, R.C., Bierie, B., Zhao, L., Raz, R., Levy, D. and Hennighausen L. (2002). Deletion of Stat3 blocks mammary gland involution and extends functional competence of the secretory epithelium in the absence of lactogenic stimuli. Endocrinology 143:3641-3650.
3. Wu, Y., Yakar, S., Zhao, L., Hennighausen, L. and LeRoith, D. (2002) Circulating insulin-like growth factor-I levels regulate colon cancer growth and metastasis. Cancer Res., 62, 1030-1035.