Receptor-Ligand Interactions
Very recently the orphan OA1 receptor has been de-orphaned. Studies showed that L-DOPA is the specific ligand for the OA1 receptor. L-DOPA is a by-product of melanin biosynthetic pathway. During melanin synthesis, L-DOPA is released to the retina in the retinal pigment epithelium and is necessary for specific stages of retinal development. Activation of the OA1 receptor by L-DOPA leads to the secretion of a neurotropic factor by the retinal pigment epithelium that helps in normal retinal development.
Read more about this topic: Ocular Albinism Type 1
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“In our interactions with people, a benevolent hypocrisy is frequently required—acting as though we do not see through the motives of their actions.”
—Friedrich Nietzsche (1844–1900)