Dendritic cells (DCs) are among the first immune sentinels to detect viruses, bacteria, or other challenges. These specialized messengers alert T cells while orchestrating either a measured calm or a ...

Retinoic acid suppresses immune defenses against cancer, but a new drug KyA33 boosts vaccine success and slows tumor growth in animal models.

The immune system must be able to quickly attack invaders like viruses, while also ignoring harmless stimuli, or allergies can result. Immune cells are known to ignore or "tolerate" molecules found on ...

The immune system has evolved to mount immune responses against foreign pathogens and to remain silent against self-antigens. A balance between immunity and tolerance is required as any disturbance ...