IMMUNE OS ATLASby AllerimSign in

cytokine

CXCL8 / IL-8

Neutrophil recruitment chemokine linking epithelial alarm to acute innate trafficking

chemokineneutrophilCXCR2barrier

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.

neutrophil influxpustular inflammationairway neutrophiliaendothelial activation

Inflammation

High 86

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

chemokineneutrophilCXCR2barrier

Metabolism

Light 54

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

tracks with glycolytic neutrophil demand and oxidative burst readiness

Cascade viewer

Source → signal → tissue behavior

Sources

epithelium
macrophages
endothelium
fibroblasts

Signal

CXCL8 / IL-8

Targets and effects

neutrophils
myeloid cells
neutrophil influx
pustular inflammation
related: IL-17related: IL-13related: GM-CSF

Graph neighborhood

Direct relationships

Full graph

Arrow shows upstream source toward receiving target.

CXCR1/2-mediated neutrophil recruitment

Context link: no causal arrow.

CXCL8/IL-8 organizes neutrophil recruitment through CXCR1/2 signaling

Cytokine ecology

Signal Role

CXCL8 is a chemokine that recruits and activates neutrophils through CXCR1 and CXCR2, especially in barrier inflammation.

Pathway

CXCR1CXCR2G-protein signalingchemotaxis programs

Source Cells

epitheliummacrophagesendotheliumfibroblasts

Target Cells

neutrophilsmyeloid cells

Inflammatory Role

Creates neutrophil gradients and sustains acute trafficking into inflamed tissue.

Regulatory Role

Supports rapid containment of bacterial and fungal barrier breach.

Tissue Effects

neutrophil influxpustular inflammationairway neutrophiliaendothelial activation

Metabolic Effects

tracks with glycolytic neutrophil demand and oxidative burst readiness

Nervous System Interactions

neutrophil-rich tissue injury can amplify pain and sickness signaling

Related Loops

IL-17 -> CXCL8 -> neutrophilsTNF-alpha/IL-1beta -> CXCL8 -> neutrophil influx