THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “CD40”

3 resources for your curiosity

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Gene referenceSep 23, 2026

CD40

In the reference guide

CD40 encodes a receptor that participates in communication between immune cells, including T-cell help for B-cell responses. Its partner is CD40 ligand, encoded by CD40LG.

Gene referenceSep 23, 2026

CD40LG

In the description

CD40LG encodes CD40 ligand, which binds CD40 and supports communication needed for effective antibody responses. It is on the X chromosome, which changes how some genetic results must be interpreted.

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