- Novel neurotrophin-1/B cell-stimulating factor-3 (cardiotrophin-like cytokine) stimulates corticotroph function via a signal transducer and activator of transcription-dependent mechanism negatively regulated by suppressor of cytokine signaling-3. Auernhammer, C.J., Isele, N.B., Kopp, F.B., Spoettl, G., Cengic, N., Weber, M.M., Senaldi, G., Engelhardt, D. Endocrinology (2003)