THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Ulcerative colitis and immune signals”

A RELATED COURSEYour cytokine starting point

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303 resources for your curiosity42 matching listings grouped; alternative sources stay available.

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Report teachingAug 16, 2026

IL-21

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…ox balance. Understand the connection IL-21 is produced by immune cells including follicular helper T cells and Th17 cells. It influences B cells, antibody responses, and other parts of adaptive immunity. Follow the pathway Dr. Purser exp…

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IL-22

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…t, and lung tissues. Understand the connection IL-22 helps immune cells communicate with barrier tissues such as the skin, intestines, and lungs. It can support repair but can also participate in inflammation when signaling is out of balan…

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IL2RA / CD25

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…or. It helps cells respond to IL-2 and participates in both immune activation and regulation. Follow the pathway Dr. Purser explains the role of CD25 on activated T cells and regulatory T cells. A soluble form can enter the blood as sIL2R …

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IL-4

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…ions. Understand the connection IL-4 helps organize type 2 immune responses and supports antibody switching toward IgE. This makes it relevant to allergies and defense against certain parasites. Follow the pathway Dr. Purser explains the …

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IL-6

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…ed health conditions. Understand the connection IL-6 is an immune messenger that participates in inflammation, infection responses, and tissue repair. It can signal through membrane-bound or soluble IL-6 receptors and the gp130 signaling p…

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