IMMUNE OSby Allerim

tissue

Endocrine Immune Ecosystem

Hormone-producing organs as immune-modulating tissues linking HPA tone, thyroid signaling, insulin biology, gonadal hormones, and inflammatory thresholds

neuroendocrinehormonesHPA axisthyroidinsulin

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
Neuroimmune80
Chronicity48

Tissue ecosystem

Spatial immune niche

niche

Endocrine

Barrier

fenestrated endocrine capillariesblood-adrenal interfacethyroid follicular architecture

Cells

macrophagesT cell subsetsdendritic cellsmast cells

Cytokines

IL-6TNF-alphaIL-1betatype I interferons

Neuroimmune

HPA-axis cortisol signalingsympathetic catecholaminesthyroid-immune set point effects

Graph neighborhood

Direct relationships

Full graph

Stress hormones and neuroendocrine signals can shift mast-cell activation thresholds

IL-6, cortisol rhythm, thyroid context, and metabolic stress interact in systemic inflammatory states

Immune niche

Tissue Ecology

Endocrine tissues shape immune behavior through cortisol, catecholamines, thyroid hormones, insulin, leptin, sex steroids, and local immune surveillance. Immune inflammation can also reshape endocrine output, creating bidirectional immune-hormone loops.

Dominant immune cells

macrophagesT cell subsetsdendritic cellsmast cellsNK cells

Barrier systems

fenestrated endocrine capillariesblood-adrenal interfacethyroid follicular architectureislet vascular niche

Microbiome interactions

microbial metabolites influence incretin and insulin signalinggut inflammation can shift HPA and thyroid-axis interpretationendotoxin tone can impair endocrine-metabolic resilience

Neuroimmune interactions

HPA-axis cortisol signalingsympathetic catecholaminesthyroid-immune set point effectssex steroid effects on tolerance and inflammation

Cytokine environment

IL-6TNF-alphaIL-1betatype I interferonsIL-10

Metabolic conditions

insulin-glucose dynamicscircadian cortisol rhythmthyroid metabolic rateleptin and adipokine signaling