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Gene referenceSep 23, 2026
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MAOA helps break down some chemical messengers. A gene result cannot predict a mood or behavior.

Gene referenceSep 23, 2026
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MTHFD1 helps move folate between forms used for different jobs in the body.

Gene referenceSep 23, 2026
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The homocysteine chapters include MTHFD1L in the wider folate-related genetic map.

Gene referenceSep 23, 2026
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Makes an enzyme that helps produce a form of folate used in the processing of homocysteine. Common variants are different from rare variants that cause severe MTHFR deficiency.

Gene referenceSep 23, 2026
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Makes the methionine synthase enzyme, which uses vitamin B12 in the conversion of homocysteine to methionine.

Gene referenceSep 23, 2026
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Helps maintain the activity of methionine synthase, connecting B12-related chemistry with homocysteine metabolism.

Gene referenceSep 23, 2026
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Makes an enzyme involved in producing phosphatidylcholine, a component of cell membranes. Genetic findings alone do not establish a choline deficiency.

Gene referenceSep 23, 2026
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SHMT1 connects serine and glycine with folate chemistry.

Gene referenceSep 23, 2026
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SOD1 helps convert superoxide inside cells as part of the body’s antioxidant defenses.

Gene referenceSep 23, 2026
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SOD2 works in mitochondria as part of the body’s antioxidant defenses.

Gene referenceSep 23, 2026
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SOD3 works outside cells as part of the body’s antioxidant defenses.

Gene referenceSep 23, 2026
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TCN2 helps carry vitamin B12 in the body. A gene result alone cannot tell you your B12 status.

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