THE PURSER WELLNESS LIBRARY

Let’s explore DHEA-S — lab reference

A COURSE FOR YOUR CURIOSITYTestosterone & women’s health

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Gene referenceSep 23, 2026

IL12B

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IL12B encodes the p40 subunit shared by IL-12 and IL-23. This makes it an intersection between immune pathways rather than a stand-alone measure of one cytokine. Also called: A shared component of two cytokines IL12B encodes the p40 subuni…

Gene referenceSep 23, 2026

IL13

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IL13 encodes interleukin-13, a cytokine involved in Th2 immune responses, mucus-related processes and tissue remodeling. It overlaps with some IL-4 functions but is not the same signal. Also called: Allergic signaling and tissue responses …

Gene referenceSep 23, 2026

IL15

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IL15 encodes a cytokine involved in the survival and activity of immune cells, including natural killer cells and memory CD8 T cells. Its receptor system includes IL15RA. Also called: Supporting immune-cell survival IL15 encodes a cytokine…

Gene referenceSep 23, 2026

IL15RA

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IL15RA encodes the alpha receptor component for IL-15. It helps present IL-15 to responding immune cells, supporting communication that is important for particular lymphocyte populations. Also called: Presenting IL-15 to responding cells I…

Gene referenceSep 23, 2026

IL17A

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IL17A encodes interleukin-17A, a cytokine involved in defense at tissue barriers and inflammatory signaling. It belongs to the Th17 pathway, which is supported by signals including IL-23. Also called: Th17 signaling and persistent inflamma…

Gene referenceSep 23, 2026

IL18R1

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IL18R1 encodes a component of the receptor for IL-18. It works with an accessory component, IL18RAP, to support IL-18 signaling. Also called: The binding side of the IL-18 receptor IL18R1 encodes a component of the receptor for IL-18. It w…

Gene referenceSep 23, 2026

IL18RAP

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IL18RAP encodes an accessory protein in the IL-18 receptor complex. The receptor needs coordinated components to translate an extracellular signal into a cellular response. Also called: The accessory component of IL-18 signaling IL18RAP en…

Gene referenceSep 23, 2026

IL1B

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IL1B encodes interleukin-1 beta, a cytokine involved in inflammatory responses and fever. Its production and activation are regulated processes, not simply an on/off consequence of having a common SNP. Also called: IL-1β and the early infl…

Gene referenceSep 23, 2026

IL22

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IL22 encodes a cytokine that acts on tissues such as epithelial barriers. It can support barrier defense and repair, while its effects depend on the tissue and inflammatory setting. Also called: Barrier defense, repair and excess tissue gr…

Gene referenceSep 23, 2026

IL23A

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IL23A encodes the p19 subunit of interleukin-23. Together with the p40 subunit encoded by IL12B, it forms a cytokine involved in supporting Th17 responses. Also called: The p19 component of IL-23 IL23A encodes the p19 subunit of interleuki…

Gene referenceSep 23, 2026

IL2RA

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IL2RA encodes the alpha chain of the interleukin-2 receptor, also called CD25. It is involved in immune activation and regulatory T-cell biology; a soluble receptor measurement is distinct from a DNA result. Also called: CD25 and immune-ce…

Gene referenceSep 23, 2026

IL33

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IL33 encodes interleukin-33, a signal that can act as an alarmin during tissue stress and promote type 2 immune responses. It belongs in a different functional group from chemokines that recruit cells. Also called: An alarmin in allergic s…

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