Increased Analgesia from Kappa-Opioid Receptor Agonist, Female-Specific, is also known as analgesia from kappa-opioid receptor agonist, female-specific. An important gene associated with Increased Analgesia from Kappa-Opioid Receptor Agonist, Female-Specific is MC1R (Melanocortin 1 Receptor). Affiliated tissues include eye and skin.