The Neurokinin-3 Receptor (NK3R) is a protein found in the brain and other tissues that plays a crucial role in regulating various physiological functions. It is part of the tachykinin family of receptors and is primarily activated by the neuropeptide neurokinin B. This receptor is involved in processes such as mood regulation, stress response, and reproductive functions. Research has shown that the Neurokinin-3 Receptor may be linked to certain psychiatric disorders and reproductive health issues. Targeting NK3R with specific drugs is being explored as a potential treatment for conditions like depression and anxiety, highlighting its importance in both neuroscience and pharmacology.