THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “MTHFR, homocysteine, and immune signals”

Explore this topic as a step-by-step interactive map.MTHFR, the citric acid cycle & ATP
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Gene referenceSep 23, 2026

DHFR

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DHFR helps reduce folic acid and dihydrofolate to tetrahydrofolate-related forms used in cellular metabolism. This is one part of the folate system, distinct from MTHFR and folate transport into cells.

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.

Gene referenceSep 23, 2026

NTRK2

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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.

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