MTHFR Mutations: A Hidden Culprit Behind Breast Cancer, Autoimmune Disease, and Other Conditions
After investigating, she learned that some patients—especially those with certain genetic variations—react negatively to folic acid supplements and fortified foods.
Her son's face was the first giveaway, with darting eye movements and difficulty focusing. He was also impulsive and unable to sit still.
Ms. Hawe eliminated these potential triggers from her son's diet and supplements for several weeks, then slowly reintroduced them. She again observed pronounced changes in her son's behavior.
What Is MTHFR?
Methylenetetrahydrofolate reductase (MTHFR) is both an enzyme and a gene.MTHFR gene mutation impairs how the body metabolizes folate and other vital B vitamins. People with this problem cannot process vitamin B as well as they should.
Your body needs folate to break down homocysteine, an amino acid and inflammatory marker linked to heart disease and many other conditions.
With an MTHFR mutation, your body may not process folate well, leading to an increased level of homocysteine. Healthy, intact MTHFR genes and bioavailable folate help regulate homocysteine levels.
How Can the MTHFR Genetic Defect Impact Health?
We all have two MTHFR genes, one from each parent. A heterozygous mutation indicates only one gene is mutated. A homozygous mutation means both genes are mutated.Two of the most common MTHFR variations are termed C677T and A1298C.
Cardiovascular Disease
MTHFR gene variations have been linked to ischemic stroke caused by cutting off blood supply to the brain, according to some research. Researchers performed a cross-sectional study on 67 patients with acute cardioembolic stroke stemming from a blood clot in the brain. Published in Brain Sciences in 2020, the study showed that patients with the MTHFR genetic defect also experienced elevated diastolic blood pressure and higher cholesterol.Breast Cancer
A 2021 review published in Genes found that the C677T mutation was tied to higher breast cancer risk in white and Asian women.The A1298C mutation was linked to more aggressive breast cancers that spread to lymph nodes. This was seen in Latin American women with two copies of the mutated gene.
Autoimmune Diseases
A 2022 systemic review and meta-analysis in Disease Markers showed some MTHFR genetic defects are associated with an increased risk of autoimmune diseases.Autism
Autism is a diverse group of conditions affecting communication and behavior, usually appearing by age 2.Anxiety and Depression
In 2021, a case report in the International Journal of Scientific Research and Management showcased a successful alternative treatment for a 32-year-old man diagnosed with major depressive disorder who had been on psychiatric treatment for two years and eight months.Instead of continuing with an antidepressant, a doctor administered 15 milligrams of l-methylfolate. After a four-month follow-up, the patient reported complete relief from depressive symptoms.
What Causes the MTHFR Defect?
As MTHFR genetic defects gain more attention, patients, physicians, and other medical experts seek answers.Several environmental factors contribute to MTHFR defects, including exposure to heavy metals, glyphosate, and microbe loss, Dr. William Davis, a cardiologist and microbiome researcher, told The Epoch Times.
Folic Acid Versus Methylfolate: What’s the Difference?
Strolling down the vitamin aisle surrounded by boundless bottles can feel confusing. When looking at food nutrition and vitamin labels, individuals with the MTHFR mutation can benefit from understanding the difference between folic acid, a synthetic B vitamin, and methylfolate, the bioavailable form of folate the body can easily use.Fortified foods and supplements often contain folic acid, a synthetic form of folate. While folic acid is generally fine for individuals with normal MTHFR genes, it can be problematic for those with MTHFR gene variations.
Pregnant women often receive prenatal vitamins containing folic acid, so those with the MTHFR defect should consult their doctor about choosing a multivitamin with the bioavailable form methylfolate. Patients unaware of their MTHFR status may ask their physician for a blood test to check for an MTHFR gene variant.
Consumers and patients can look for folate or l-methylfolate, instead of folic acid, as the ideal ingredient in foods and supplements.
Natural food sources of folate include leafy greens, avocado, broccoli, asparagus, and legumes.
Related: MTHFR Protocol - Chris Masterjohn, PhD
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