THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Sjögren’s syndrome and immune signaling”

A RELATED COURSEYour cytokine starting point

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Gene referenceSep 23, 2026

IL23R

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IL23R encodes part of the receptor that receives IL-23 signals. This connects the gene to the maintenance of Th17-related immune responses, which differ from the Th2 patterns discussed in allergy. Also called: IL-23R, Interleukin 23 Recepto…

Gene referenceSep 23, 2026

HMGB1

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HMGB1 normally has functions inside the cell nucleus. When released outside cells in particular settings, it can act as a damage-associated molecular pattern, or DAMP, participating in inflammatory signaling. Also called: A cellular protei…

Gene referenceSep 23, 2026

IL4

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IL4 encodes interleukin-4, a cytokine involved in Th2 immune responses and antibody class switching, including pathways related to IgE. It operates alongside IL-5 and IL-13 rather than representing all allergic biology by itself. Also calle…

Report teachingJul 25, 2026

TLR4

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Explore Toll-like receptor 4, lipopolysaccharide (LPS), HMGB1, innate immune sensing, and related inflammatory pathways. Understand the connection TLR4 helps recognize bacterial lipopolysaccharide, or LPS, with assistance from CD14 and MD-…

Health BlogApr 6, 2026

MTHFR Mutations, Elevated Homocysteine & Autoimmune Inflammation: The Hidden Root Cause Most Doctors Miss

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— A Guide by the World’s Leading Homocysteine Expert For more than four decades as a practicing physician, I have watched thousands of patients cycle through conventional autoimmune treatments that address symptoms but never touch the fire underneath. Rheumatoid arthritis flares, lupus rashes, multiple sclerosis relapses, Hashimoto’s thyroiditis, fibromyalgia pain—these are not random. They share a common, often overlooked biochemical pathway: MTHFR mutations leading to elevated homocysteine that supercharges autoimmune inflammation . This is not fringe theory. It is the clinical reality I hav

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YouTubeJan 5, 2026

What Causes Chronic Fatigue Syndrome?

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Do you know what causes chronic fatigue? Dr. Purser explains the top causes of Chronic Fatigue Syndrome (CFS) and shares what steps to take to feel normal again. Discover why CFS is a symptom of underlying conditions and what the treatment of underlying causes of CFS includes. Dr. Purser dispels the myth of medication deficiency related to CFS symptoms. Discover the relationship of nutritional deficiencies, hormone imbalance, and poorly understood genetic causes from MTHFR deficiency to fatigue. Learn what contributes to fatigue when the absorption of Vitamin B12, folate, pantothenate, and oth

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