THE PURSER WELLNESS ENCYCLOPEDIA

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

A RELATED COURSETestosterone & women’s health

4 chapters, at your pace

Explore the course
Explore all 3 matching courses

2345 resources for your curiosity447 matching listings grouped; alternative sources stay available.

What’s searchable?
Nutrient referenceSep 23, 2026

L-Methionine

Some search terms matched

An amino acid used in protein synthesis and other metabolic processes. Also called: Methionine Where the cycle begins Methionine is an essential amino acid used to make proteins. It also enters a pathway involving SAM, SAH, and homocysteine…

Gene referenceSep 23, 2026

ADIPOQ

Some search terms matched

ADIPOQ encodes adiponectin, a hormone released by fat tissue that participates in insulin sensitivity and fat metabolism. Its name often appears in discussions of triglycerides, body composition and metabolic health. Also called: Adiponecti…

Gene referenceSep 23, 2026

APOE

Some search terms matched

APOE encodes a protein that carries lipids between cells. The familiar APOE e2, e3 and e4 groupings depend on the combination of rs429358 and rs7412, not on either marker read in isolation. Also called: Apolipoprotein E Lipid transport and …

Gene referenceSep 23, 2026

BHMT

Some search terms matched

BHMT helps recycle homocysteine into methionine using betaine. It is a different route from the folate and B12 pathway. Also called: BHMT08, Betaine-Homocysteine S-Methyltransferase Another route through the homocysteine map BHMT is part of…

Gene referenceSep 23, 2026

CD14

Some search terms matched

CD14 helps immune cells recognize microbial components, including bacterial lipopolysaccharide, as part of innate immune signaling. This places it upstream of some cytokine responses. Also called: Cluster of Differentiation 14 How immune ce…

Gene referenceSep 23, 2026

COL5A1

Some search terms matched

COL5A1 encodes one component of type V collagen, which helps organize collagen fibers. It connects to the strength and structure of tendons, skin and other connective tissues. Also called: Collagen Type V Alpha 1 Chain Collagen structure, t…

Gene referenceSep 23, 2026

FOLR2

Some search terms matched

FOLR2 encodes folate receptor beta, a folate-binding protein expressed in particular cell types, including subsets of immune cells. It is distinct from the FOLR1 receptor and the SLC19A1 reduced folate carrier. Also called: Folate Receptor …

Gene referenceSep 23, 2026

G6PC2

Some search terms matched

G6PC2 encodes a glucose-6-phosphatase-related protein expressed in pancreatic islet cells. Common variation is associated with differences in fasting glucose regulation; it is not the insulin receptor. Also called: Glucose-6-Phosphatase Cat…

Gene referenceSep 23, 2026

GAD1

Some search terms matched

GAD1 helps your body make GABA, a chemical messenger, from glutamate. Also called: Glutamate Decarboxylase 1 The glutamate-to-GABA connection Dr. Purser’s course uses GAD/GABA teaching to explain a connection between excitatory and inhibito…

Gene referenceSep 23, 2026

GSR

Some search terms matched

GSR encodes glutathione reductase. It uses reducing power from NADPH to help convert oxidized glutathione back to reduced glutathione, allowing this antioxidant system to be reused. Also called: Glutathione Reductase Recycling used glutathi…

Gene referenceSep 23, 2026

GSTM1

Some search terms matched

GSTM1 helps your body use glutathione to process some compounds. Also called: Glutathione S-Transferase Mu 1 Using glutathione in conjugation GSTM1 belongs to the glutathione transferase family. These enzymes use glutathione in conjugation …

Search looks for your words in titles, descriptions, available articles, learning guides, and video captions when available. The closest matches appear first. Duplicate posts are grouped, with links to other places you can read or watch them. Books, chapters, and reports have topic guides here; the original files and full book text are not available in this encyclopedia. Subscriber posts include a title and public summary; open Substack to read the full post.