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biological

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kappa

kappa In this source, kappa refers to the kappa opioid receptor, a biological receptor that can be activated by a kappa opioid receptor agonist such as difelikefalin.

In this source, kappa refers to the kappa opioid receptor, a biological receptor that can be activated by a kappa opioid receptor agonist such as difelikefalin. The study describes these receptors in kidney tissue and links their activation with protective effects in experimental acute kidney injury.