THE PURSER WELLNESS LIBRARY

Let’s explore 1,25-dihydroxyvitamin D — lab reference

A COURSE FOR YOUR CURIOSITYGetting to know your micronutrients

5 chapters, at your pace

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555 discoveries for your curiosity21 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

PON1

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PON1 appears in Dr. Also called: Paraoxonase 1 A different part of antioxidant handling PON1 appears in Dr. Purser’s redox and conversion teaching alongside GST and NQO1. The genetics reference discusses it in relation to handling particula…

Gene referenceSep 23, 2026

PSEN1

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PSEN1 encodes a presenilin protein that participates in gamma-secretase, a protein-processing complex. Some pathogenic variants can cause familial Alzheimer’s disease; a listed common marker is not equivalent to that diagnosis. Also called:…

Gene referenceSep 23, 2026

SHMT1

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The course places SHMT1 in the folate-interconversion network. Also called: Serine Hydroxymethyltransferase 1 Where amino acids meet folate The course places SHMT1 in the folate-interconversion network. Its enzyme connects serine and glycin…

Gene referenceSep 23, 2026

SOD1

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Dr. Also called: Superoxide Dismutase 1 Superoxide defense in its own setting Dr. Purser teaches SOD as one member of an antioxidant team. SOD1 works primarily inside cells and uses copper and zinc. SOD converts superoxide into hydrogen per…

Gene referenceSep 23, 2026

VKORC1

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VKORC1 encodes vitamin K epoxide reductase, part of the vitamin K recycling system used in activating clotting proteins. It is not simply a vitamin K receptor. Also called: Vitamin K Epoxide Reductase Complex Subunit 1 Recycling vitamin K a…

Gene referenceSep 23, 2026

CCL2

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CCL2 encodes MCP-1, a chemokine that attracts monocytes toward sites of immune activity. Recruitment is a different task from the cytokines that activate those cells once they arrive. Also called: MCP-1: recruiting monocytes CCL2 encodes M…

Gene referenceSep 23, 2026

DDAH1

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DDAH1 encodes an enzyme that breaks down asymmetric dimethylarginine, or ADMA. ADMA inhibits nitric oxide synthase; DDAH1 is part of its clearance system, not the inhibitor itself. Also called: Clearing ADMA helps preserve nitric oxide sig…

Gene referenceSep 23, 2026

HMGB1

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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. Also called: A cellular protei…

Gene referenceSep 23, 2026

IL4

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IL4 encodes interleukin-4, a cytokine involved in Th2 immune responses and antibody class switching, including pathways related to IgE. It operates alongside IL-5 and IL-13 rather than representing all allergic biology by itself. Also calle…

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