1. Ghrelin and a Novel Preproghrelin Isoform Are Highly Expressed in Prostate Cancer and Ghrelin Activates Mitogen-Activated Protein Kinase in Prostate Cancer
   Anthony H. Yeh et al, 2005, Clinical Cancer Research CrossRef
2. Ghrelin and its unacylated isoform stimulate the growth of adrenocortical tumor cells via an anti-apoptotic pathway
   P. J. D. Delhanty et al, 2007, American Journal of Physiology-Endocrinology and Metabolism CrossRef
3. Ghrelin uses the GHS-R1a/Gi/cAMP pathway and induces differentiation only in mature osteoblasts. This ghrelin pathway is impaired in AIS patients
   Ronan Barre et al, 2020, Biochemistry and Biophysics Reports CrossRef