| MSH |
Hypothalamus, pituitary, skin |
Hypopituitarism |
Melanosis, hyperpigmentation |
| Ghrelin |
Stomach |
Prader-Willi syndrome |
Ghrelinoma |
| Leptin |
Adipose tissue |
Leptin deficiency |
Leptin resistance |
| Serotonin |
Enterochromaffin cells |
Serotonin deficiency syndrome |
Serotonin syndrome |
| Vasopressin |
Hypothalamus, posterior pituitary |
Diabetes insipidus |
SIADH |
| Somatostatin |
Pancreas, hypothalamus |
Diabetes mellitus type 2 |
Somatostatinoma |
| ANP |
Heart |
Sodium retention |
Atrial myxoma |
| Relaxin |
Ovaries, placenta |
Preterm labor |
Overactive relaxin production |
| Thymosin |
Thymus |
Reduced T cell development |
Thymus gland tumors |
| Erythropoietin |
Kidneys |
Anemia |
Polycythemia |