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Primary ovarian insufficiency describes reduced ovarian function before age 40.

Membranous nephropathy affects the kidney’s filtering units.

A molecule made from glutamate, cysteine and glycine that participates in cellular redox balance.

A family of enzymes made by the body that convert superoxide into hydrogen peroxide.

IL21 encodes a cytokine involved in regulating lymphocytes, including B-cell responses. It sits within an immune network that connects T-cell help, antibody responses and inflammatory activity.

IL23R encodes part of the receptor that receives IL-23 signals. This connects the gene to the maintenance of Th17-related immune responses, which differ from the Th2 patterns discussed in allergy.

TNF encodes tumor necrosis factor, an immune-signaling protein involved in inflammation, host defense and regulation of cell survival. Its name should not be read as proof that a TNF result indicates cancer.

Follow Dr. Purser’s teaching on folate, B12, sulfur pathways and antioxidant support around homocysteine.

HMGB1 normally has functions inside the cell nucleus. When released outside cells in particular settings, it can act as a damage-associated molecular pattern, or DAMP, participating in inflammatory signaling.

IFNG encodes interferon gamma, a cytokine involved in cellular immune defense and activation of macrophages. It differs from the Th2 signals more often emphasized in allergic responses.

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.

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.