Cytokines

Definition

Cytokines are small proteins released by cells, particularly those of the immune system, that have an effect on the interactions and communications between cells. They play a crucial role in the body's response to infection, inflammation, and trauma.

Related terms

Immune response: The defense mechanism of the body against foreign substances or threats, involving recognition and reaction facilitated by immune cells and substances like cytokines.

Inflammation:

A biological response to harmful stimuli (like pathogens or damaged cells), characterized by redness, swelling, heat, pain, and dysfunction of organs involved, where cytokines play a key role in its regulation.

White blood cells: Cells of the immune system involved in protecting the body against both infectious disease and foreign invaders, often activated and regulated by cytokines