GZMK and atopic eczema: Elevated GzmK levels are consistently observed in biospecimens from individuals with diverse inflammatory conditions compared with healthy controls, including acute lung inflammation (bronchoalveolar lavage fluid) (17), endotoxemia (blood) (18), sepsis (blood) (19), viral infection (blood) (20), thermal injury (skin) (21), atopic dermatitis (skin) (22), and inflammaging (various tissues) (23).