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Endocrine Pathways
Hormone signaling and metabolic regulation
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Endocrine
HPA Axis (Stress Response)
Hypothalamic-pituitary-adrenal axis regulating cortisol and stress response.
CRHAVPACTH+4
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Endocrine
Thyroid Hormone Signaling
T3/T4 regulation of metabolism, growth, and development via nuclear receptors.
TRHTSHT4 (thyroxine)+6
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Endocrine
Estrogen Signaling
Estrogen receptor-mediated regulation of reproduction, bone, and cardiovascular health.
17β-Estradiol (E2)Estrone (E1)Estriol (E3)+5
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Endocrine
Androgen Signaling
Testosterone and DHT signaling via androgen receptor in male development and physiology.
TestosteroneDHTDHEA+5
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Endocrine
Growth Hormone / IGF-1 Axis
GH-driven somatic growth and metabolism via hepatic IGF-1 production.
GHRHSomatostatinGhrelin+6
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Endocrine
Vitamin D Signaling
Vitamin D3 activation and nuclear receptor signaling for calcium homeostasis.
Vitamin D3 (cholecalciferol)25(OH)D (calcidiol)1,25(OH)₂D (calcitriol)+6
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Endocrine
Leptin Signaling
Adipocyte hormone signaling to the hypothalamus regulating energy balance.
LeptinLepRbJAK2+8
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Endocrine
Renin-Angiotensin-Aldosterone System (RAAS)
Hormonal cascade regulating blood pressure, fluid balance, and electrolytes.
ReninAngiotensinogenAngiotensin I+7