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Gene referenceSep 23, 2026
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Makes an enzyme that helps break down catechol compounds, including some neurotransmitters. A common variant does not by itself explain mood, attention or stress tolerance.

Nutrient referenceSep 23, 2026
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Supports enzymes involved in processing sulfites and other compounds.

Gene referenceSep 23, 2026
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GGH encodes gamma-glutamyl hydrolase, which removes glutamate residues from folate compounds. This affects folate handling and helps explain why folate metabolism includes retention and processing as well as intake.

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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PSEN1 encodes a presenilin protein that participates in gamma-secretase, a protein-processing complex. Some pathogenic variants can cause familial Alzheimer’s disease; a listed common marker is not equivalent to that diagnosis.

Gene referenceSep 23, 2026
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PSEN2 encodes a presenilin protein that participates in gamma-secretase, a protein-processing complex. Some pathogenic variants can cause familial Alzheimer’s disease; a listed common marker is not equivalent to that diagnosis.

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