IMMUNE OSby Allerim

cytokine

GM-CSF

Myeloid survival and activation factor connecting barrier inflammation, dendritic cells, and macrophage tone

myeloidmacrophagedendritic cellbarrier

Review layer

Last reviewed 2026-05-17

conceptualeducational

Systems teaching draft. Content is structured for education and graph expansion, with formal source tagging ready for the next review pass.

State signature

Systems profile

Inflammation86
Tolerance45
Metabolism54
Tissue88
Neuroimmune38
Chronicity48

Cascade viewer

Source → signal → tissue behavior

Sources

T cells
epithelium
fibroblasts
macrophages

Signal

GM-CSF

Targets and effects

macrophages
dendritic cells
neutrophils
myeloid expansion
barrier inflammation
related: IL-10related: TNF-alpharelated: IL-17related: IFN-gammarelated: IL-13

Graph neighborhood

Direct relationships

Full graph

Supports inflammatory myeloid survival and activation

Cytokine ecology

Signal Role

GM-CSF supports myeloid cell survival, differentiation, and inflammatory activation, especially in barrier and autoimmune contexts.

Pathway

GM-CSFRJAK2STAT5MAPK

Source Cells

T cellsepitheliumfibroblastsmacrophagesmast cells

Target Cells

macrophagesdendritic cellsneutrophilseosinophils

Inflammatory Role

Sustains inflammatory myeloid cell survival, antigen presentation, and tissue cytokine production.

Regulatory Role

Supports alveolar macrophage development and host defense when balanced.

Tissue Effects

myeloid expansionbarrier inflammationalveolar macrophage supportgranulocyte survival

Metabolic Effects

supports active myeloid metabolism and inflammatory persistence

Nervous System Interactions

can participate in neuroinflammatory myeloid activation in chronic disease contexts

Related Loops

T cell GM-CSF -> inflammatory myeloid activationbarrier stress -> GM-CSF -> APC amplification