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Homocysteine: a map of the practice flow chart

Follow the questions linking symptoms, genetics, homocysteine, and immune signals.

Based on teaching by Dan Purser, MD. How we prepare these guides

Educational summary

Why this matters

Follow the questions linking symptoms, genetics, homocysteine, and immune signals.

How the pieces connect

A flow chart can help organize symptoms, family history, genes, blood results, and immune signals. Each step needs its own evidence.

A flow chart can help you ask questions

A simple chart can connect symptoms and family history with genes, homocysteine and immune signals. Each step needs its own evidence. A symptom does not confirm a genetic cause; a variant does not prove an abnormal blood result; and an abnormal result does not automatically select a treatment.

Keep in mind

A gene list cannot diagnose you. A common variant, even in both copies, does not by itself prove high homocysteine, an immune problem, or a need for supplements.

A question for your next conversation

What evidence supports moving from this step of the chart to the next?

BUILD YOUR UNDERSTANDING

A few concepts, made clearer.

AHCY

AHCY is the gene symbol used for Adenosylhomocysteinase. This page connects its terminology with the topics in the Purser Wellness teaching encyclopedia.

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BHMT

BHMT is the gene symbol used for Betaine-Homocysteine S-Methyltransferase. This page connects its terminology with the topics in the Purser Wellness teaching encyclopedia.

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CBS

CBS is the gene symbol used for Cystathionine Beta-Synthase. This page connects its terminology with the topics in the Purser Wellness teaching encyclopedia.

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CTH

CTH is the gene symbol used for Cystathionine Gamma-Lyase. This page connects its terminology with the topics in the Purser Wellness teaching encyclopedia.

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