THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Apolipoprotein B — lab reference”

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Gene referenceSep 23, 2026

GSTP1

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GSTP1 helps your body use glutathione to process some compounds. Also called: Glutathione S-Transferase Pi 1 Using glutathione in conjugation GSTP1 belongs to the glutathione transferase family. These enzymes use glutathione in conjugation …

Gene referenceSep 23, 2026

GSTT1

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GSTT1 helps your body use glutathione to process some compounds. Also called: Glutathione S-Transferase Theta 1, GSTT Using glutathione in conjugation GSTT1 belongs to the glutathione transferase family. These enzymes use glutathione in con…

Gene referenceSep 23, 2026

HDC

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HDC is the gene name for Histidine Decarboxylase. Learn what a specific result could mean and what to ask about it. Also called: Histidine Decarboxylase Histamine production is one part of the circuit HDC is involved in the enzyme step conv…

Gene referenceSep 23, 2026

HFE

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HFE helps regulate iron absorption through 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.…

Gene referenceSep 23, 2026

HLA-DQA1

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HLA-DQA1 contributes to an HLA-DQ protein that presents antigen fragments to CD4 T cells. HLA-DQ function depends on pairing with an HLA-DQB chain, so an isolated marker is not a complete HLA type. Also called: HLADQA1, Human Leukocyte Anti…

Gene referenceSep 23, 2026

HLA-DQA2

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…ass 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 Antigen DQA2 Another part of …

Gene referenceSep 23, 2026

HRH1

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…1. Learn what a specific result could mean and what to ask about it. Also called: Histamine Receptor H1 Receiving the histamine signal The Purser genetics reference places HRH1 in the histamine-response part of the MCAS discussion. H1 recep…

Gene referenceSep 23, 2026

HRH2

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…2. Learn what a specific result could mean and what to ask about it. Also called: Histamine Receptor H2 Histamine also connects to stomach acid Dr. Purser’s genetics reference connects HRH2 with histamine signaling and gastric acid secretio…

Gene referenceSep 23, 2026

IL23R

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…eces together Dr. Purser includes IL23R in his inflammatory bowel disease and psoriasis teaching. The gene, the cytokine IL-23 and the downstream cytokine IL-17A are related but distinct. An inherited marker does not measure receptor functi…

Gene referenceSep 23, 2026

IL6

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…r in discussions of infection, chronic inflammation and metabolic health, with effects that depend on the context. Also called: IL-6, Interleukin 6 IL-6 links inflammatory and metabolic signals IL6 encodes interleukin-6, a cytokine involved…

Gene referenceSep 23, 2026

KIT

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…inase that responds to stem cell factor. It participates in blood-cell development and mast-cell biology, making the exact variant and testing context especially important. Also called: Kit Proto-Oncogene A growth receptor with a mast-cell …

Gene referenceSep 23, 2026

MMP3

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…3 encodes matrix metalloproteinase 3, an enzyme involved in breaking down components of the extracellular matrix. Controlled remodeling is part of repair, while excess activity can accompany inflammatory tissue damage. Also called: Matrix M…

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