Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Interleukin-4
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Interleukin-4: A protein that stimulates the immune system to develop mast cells, resting T-cells, and activated B-cells. Abbreviated IL-4.
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