1. Currently available melanocortin receptor Agonists are used to treat: Afamelanotide: Erythropoietic protoporphyria

2. Treatment with ibenzmethyzin, prednisolone and small doses of amethopterin was followed by an increase of erythropoietic cells.

3. Recently, it has been stated that erythropoietin ( EPO ) has a wide range of non - erythropoietic functions.