THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Hirschsprung’s disease & genetics”

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Gene referenceSep 23, 2026

COMT

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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.

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

FTO

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FTO is studied in relation to body weight and energy balance. Common variants can contribute to population-level differences in obesity susceptibility, alongside many other genes and environmental factors.

Gene referenceSep 23, 2026

GDF5

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GDF5 encodes growth differentiation factor 5, a signaling protein involved in skeletal development, joint formation and cartilage biology. Its name does not mean a SNP measures the ability to build muscle.

Gene referenceSep 23, 2026

GGH

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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.

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