
Cytokine - Wikipedia
The effect of a particular cytokine on a given cell depends on the cytokine, its extracellular abundance, the presence and abundance of the complementary receptor on the cell surface, and downstream …
What are Cytokines? Types & Function - Cleveland Clinic
Jan 3, 2023 · Think of a cytokine as a key and the receptor on the receiving cell like a lock. When the cytokine (key) enters the cytokine receptor (lock), the receiving cell receives a message that tells it …
What Are Cytokines and How Do They Signal Immune Responses?
Aug 5, 2025 · The term “cytokine” refers to a broad class of molecules, including interleukins, interferons, tumor necrosis factors, colony-stimulating factors, chemokines, and growth factors.
Cytokine | Biochemistry, Cell Biology & Immunology | Britannica
Dec 19, 2025 · Cytokine, any of a group of small, short-lived proteins that are released by one cell to regulate the function of another cell, thereby serving as intercellular chemical messengers.
Cytokines: Introduction | British Society for Immunology
This action may occur in an autocrine (acts on same cell), paracrine (acts on nearby cell) or endocrine (acts on distant cell; not the normal manner for cytokine responses) manner.
Understanding cytokines and their role in the immune system
Cytokine storm, or cytokine release syndrome (CRS) in severe COVID-19 cases results from a dysregulated immune response, marked by delayed production of type-I and type-III IFNs and a …
What Are Cytokines and Their Role in the Body?
Aug 4, 2025 · The balance of cytokine activity is important for maintaining overall health. When functioning correctly, cytokines enable the immune system to effectively combat pathogens and …