THE PURSER WELLNESS LIBRARY

Let’s explore Progesterone — lab reference

A COURSE FOR YOUR CURIOSITYThe progesterone conversation

5 chapters, at your pace

Explore the course

476 discoveries for your curiosity22 matching listings grouped; alternative sources stay available.

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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

HLA-DQA2

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…rder. CD4 T cells are helper T cells; they should not be mislabeled as the usual cytotoxic CD8 T-cell group. A question to bring to your visit Does this specific HLA marker have a validated clinical interpretation for the question being inv…

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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…stamine also connects to stomach acid Dr. Purser’s genetics reference connects HRH2 with histamine signaling and gastric acid secretion. H2 is a receptor, so this teaching concerns response to a signal rather than histamine production by HD…

Gene referenceSep 23, 2026

KIT

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…sted in inherited DNA or affected tissue, and what does the laboratory classify the variant as? Variant IDs in the teaching reference: rs121913507, rs3822214

Gene referenceSep 23, 2026

MAOA

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…roposed explanation? 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…

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