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Gene referenceSep 23, 2026
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NQO1 is the gene name for NAD(P)H Quinone Oxidoreductase 1. Learn what a specific result could mean and what to ask about it. Also called: NAD(P)H Quinone Oxidoreductase 1 Quinone handling within the redox network Dr. Purser includes NQO1 i…

Gene referenceSep 23, 2026
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NR3C1 encodes the glucocorticoid receptor, which helps tissues respond to cortisol and glucocorticoid medicines. Receptor genetics and measured cortisol levels answer different questions. Also called: Nuclear Receptor Subfamily 3 Group C Me…

Gene referenceSep 23, 2026
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NTRK2 encodes TrkB, a receptor involved in responding to neurotrophic signals such as BDNF. These signals support nervous-system function and plasticity. NTRK2 is not a phosphatidylserine absorption transporter. Also called: Neurotrophic Re…

Gene referenceSep 23, 2026
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PTGS2, commonly called COX-2, encodes an enzyme involved in prostaglandin production. Prostaglandins participate in pain, fever and inflammatory signaling. Also called: COX2, Cyclooxygenase 2 COX-2 and inflammatory prostaglandins PTGS2, com…

Gene referenceSep 23, 2026
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SHMT1 connects serine and glycine with folate chemistry. Also called: Serine Hydroxymethyltransferase 1 Where amino acids meet folate SHMT1 connects serine and glycine with folate pathways. That is one reason both nutrition and genetics can…

Gene referenceSep 23, 2026
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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. Also called: Tumor Necrosis Fact…

Gene referenceSep 23, 2026
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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…

Learning essentialsSep 23, 2026
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How the Purser approach moves from a nutrient finding to priorities, a manageable plan and reassessment. Also called: From a laboratory flag to a useful plan Start with your original CMA report: check its date, values, and the lab’s catego…

Learning essentialsSep 23, 2026
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Understand why Dr. Purser teaches glutathione, SOD and catalase as a connected antioxidant team. Also called: An antioxidant team with different jobs Dr. Purser teaches redox defense as a connected team. SOD handles superoxide and produces…

Learning essentialsSep 23, 2026
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Separate the gene, variant, measured value and clinical interpretation—and learn which questions to bring to your visit. Also called: Keep the original result in view Start with your original report: check the date, units, the lab’s range,…

Gene referenceSep 23, 2026
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ALPL encodes tissue-nonspecific alkaline phosphatase, an enzyme important to bone and tooth mineralization and vitamin B6 metabolism. Persistently low alkaline phosphatase can deserve a different evaluation from a general nutrient deficienc…

Gene referenceSep 23, 2026
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CCL11 encodes eotaxin-1, a chemokine best known for attracting eosinophils. Its receptor relationships connect it to allergic inflammation as well as broader research into immune signaling. Also called: Eotaxin-1 and eosinophil recruitment…

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