Natural Killer Cells are specialized lymphocytes that play a crucial role in the body’s innate immune defense. They identify and destroy virus-infected and cancerous cells without prior sensitization. By releasing cytotoxic molecules and immune-regulating cytokines, they help control infections and support overall immune balance. https://xelleratherapeutics.blogspot.com/2026/02/how-natural-killer-cells-identify-and.html