IMMUNE OS ATLASby AllerimSign in

cytokine

IL-5

Eosinophil survival and recruitment cytokine in type 2 immune ecology

TH2eosinophilallergyILC2

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.

Provenance layer

External context

static reviewed map

Curated external IDs add pathway and protein context around Atlas content. They do not update the graph automatically and they are not patient-specific interpretation.

State signature

Systems profile

Inflammation86
Tolerance45
Metabolism54
Tissue88
Neuroimmune38
Chronicity48

System effects

Primary mapped axes from existing Atlas data.

Interpretive

Tissue

High 88

Organ, barrier, stromal, vascular, or local niche behavior.

eosinophil survivalairway inflammationesophageal inflammationgranule protein burden

Inflammation

High 86

Inflammatory alarm, recruitment, mediator release, or tissue-damaging amplification.

TH2eosinophilallergyILC2

Metabolism

Light 54

Energy allocation, glycolysis, mitochondrial strain, lipid signaling, or nutrient-sensitive behavior.

supports active granulocyte survival and lipid mediator generation

Cascade viewer

Source → signal → tissue behavior

Sources

T cell subsets
ILC2
mast cells

Signal

IL-5

Targets and effects

eosinophils
B cells
eosinophil survival
airway inflammation
related: IL-4related: IL-33related: IL-13related: TSLP

Graph neighborhood

Direct relationships

Full graph
IL-5->activates->Eosinophil

Arrow shows upstream source toward receiving target.

Eosinophil maturation, survival, and tissue persistence

Context link: no causal arrow.

Eosinophil arm of type 2 inflammation

TH2 Cell->secretes->IL-5

Arrow shows upstream source toward receiving target.

TH2 IL-5 supports eosinophil survival and recruitment

Cytokine ecology

Signal Role

IL-5 is the key cytokine for eosinophil maturation, tissue recruitment, activation, and survival in allergic and helminth-associated inflammation.

Pathway

IL-5Rαcommon beta chainJAK/STATMAPK

Source Cells

Target Cells

eosinophilsB cells

Inflammatory Role

Sustains eosinophilic inflammation and tissue remodeling when type 2 loops persist.

Regulatory Role

Supports parasite containment and specialized mucosal defense.

Tissue Effects

eosinophil survivalairway inflammationesophageal inflammationgranule protein burden

Metabolic Effects

supports active granulocyte survival and lipid mediator generation

Nervous System Interactions

contributes indirectly to itch, cough, and neurogenic inflammation through eosinophil-rich tissue injury

Related Loops

IL-33/TSLP -> ILC2 -> IL-5IL-5 -> eosinophil survival -> tissue remodeling