IFNK (Interferon kappa): IFNK, belonging to the interferon family, is a cytokine involved in the regulation of immune responses, particularly in the context of skin and mucosal immunity. It plays a pivotal role in modulating inflammatory processes and antiviral defense mechanisms, exerting its effects through interaction with specific receptors on target cells. IFNK is predominantly expressed in epithelial tissues, where it contributes to the host defense against various pathogens, including viruses and bacteria. Additionally, IFNK is implicated in the maintenance of tissue homeostasis and the regulation of epithelial cell proliferation and differentiation. Dysregulation of IFNK signaling has been associated with...