THE PURSER WELLNESS LIBRARY

Let’s explore 8-hydroxy-2-deoxyguanosine — lab reference

527 discoveries for your curiosity14 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

GSTO1

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… teaching. The useful connection is between glutathione availability, oxidative workload and the larger detoxification network. A marker cannot identify a particular toxin exposure or prove that an antioxidant enzyme is absent. A question t…

Gene referenceSep 23, 2026

GSTP1

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…e makes it relevant? Reading your own results Use the exact laboratory result, current measurements and your health history with your clinician. These lessons explain Dr. Purser’s teaching framework; they do not diagnose a condition or sele…

Gene referenceSep 23, 2026

GSTT1

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…e makes it relevant? Reading your own results Use the exact laboratory result, current measurements and your health history with your clinician. These lessons explain Dr. Purser’s teaching framework; they do not diagnose a condition or sele…

Gene referenceSep 23, 2026

HDC

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…e production is one part of the circuit The Purser genetics reference describes HDC as the enzyme step converting histidine to histamine. In the teaching map, this is the production side of the circuit, separate from AOC1-mediated clearance…

Gene referenceSep 23, 2026

HFE

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…signaling that influences hepcidin. The commonly discussed C282Y and H63D variants correspond to rs1800562 and rs1799945. Their implications depend on the combination present and clinical findings. Also called: C282Y Mutation, H63D Mutation…

Gene referenceSep 23, 2026

HLA-DQA1

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…e relevant to celiac susceptibility, but a marker such as rs2187668 does not establish active celiac disease. Symptoms, appropriate testing and whether gluten is being eaten at the time of evaluation matter. A question to bring to your visi…

Gene referenceSep 23, 2026

HLA-DQA2

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HLA-DQA2 is part of the HLA class II region involved in immune recognition. It should not be treated as interchangeable with HLA-DQA1 or as a measurement of how well the immune system fights infections. Also called: HLADQA2, Human Leukocyte…

Gene referenceSep 23, 2026

HRH1

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…eptor H1 Receiving the histamine signal The Purser genetics reference places HRH1 in the histamine-response part of the MCAS discussion. H1 receptors help mediate histamine effects; they are not the enzymes that make histamine or break it d…

Gene referenceSep 23, 2026

HRH2

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HRH2 is the gene symbol used for Histamine Receptor H2. This page connects its terminology with the topics in the Purser Wellness teaching library. Also called: Histamine Receptor H2 Histamine also connects to stomach acid Dr. Purser’s gene…

Gene referenceSep 23, 2026

IL21

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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. Also called: IL-21, Interleukin 21 A link betw…

Gene referenceSep 23, 2026

IL23R

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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. Also called: IL-23R, Interleukin 23 Recepto…

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