In our pursuit of health, we often hear about various complex biochemical processes and various nutrients. We may be a little vague about these concepts, or have never heard of them. Today, we will talk about two seemingly complex but actually very important concepts in a more understandable way: " homocysteine " and " methylation ", as well as some key nutrients related to them.
Methylation – key to proper metabolism
Methylation is involved in all physiological activities of the body and is an important key to maintaining life. At the same time, genes can also be turned on or off by adding methyl groups ( CH3 ) to DNA, RNA and proteins. This process is like a precision gear in a biochemical system, ensuring that genes are turned on or off correctly when needed. This process is like a switch that regulates a series of key functions.
Importance of the methylation process:
- Turning genes on and off (gene regulation)
- Processing of chemicals and toxins (biotransformation)
- Manufacture of neurotransmitters (dopamine, serotonin, epinephrine)
- Dealing with hormones (estrogen)
- Produce immune cells (T cells, NK cells)
- Synthesis of DNA and RNA (thymine, also known as 5-methyluracil)
- Produce energy (coenzyme Q10, carnitine, ATP)
- Produces a protective covering on nerves (myelination)
- Produce the body's main antioxidant substance (glutathione) and reduce harmful homocysteine
Problems caused by lack of methylation:
- Heart: Hardening of the arteries, increasing risk of heart disease and stroke
- Fatigue: Affects energy metabolism, leading to chronic fatigue
- Hormonal Imbalances: Affects Reproductive and Metabolic Function
- Chronic inflammation: a common cause of many chronic diseases
- Mood Regulation: Related to Anxiety or Depression Symptoms
- Autoimmune diseases: Increased risk of autoimmune conditions, including rheumatoid arthritis and autoimmune thyroid disease, among others
Homocysteine - potential health hazard
Homocysteine is an amino acid produced during the methylation process. Its main role in the body is to participate in the protein synthesis process. It is very important for the normal growth and maintenance of tissues of the body. At the same time, it can also Protects cells from damage caused by oxidative stress . Even though homocysteine is important to normal physiological functions, it is neither too low nor too high. Too low a methylation level usually indicates abnormal methylation, while an excessive level may cause the following risks to the body:
- Cardiovascular disease: Too high will damage the endothelium of blood vessels, reverse arteriosclerosis, and increase the risk of heart disease and stroke. It is one of the important indicators for evaluating cardiovascular disease.
- Neurological disorders: Cognitive decline, dementia, even neurodevelopmental disorders, etc.
Homocysteine - methylation relationship
Methylation is like a complex system of gears that work together. So if there is a problem with any one of these gears that affects homocysteine production, the entire health system is affected. For example, sugar metabolism requires the participation of methylation. If the methylation process goes wrong, there will be problems with sugar metabolism, and the body will not be able to provide the necessary energy when needed, which may lead to difficulties in dealing with emergencies. Difficulties arise.
Key Nutrients: Gear Lubricant
To ensure the gears run properly, we need specific nutrients, including folate B9 , vitamin B6 , and vitamin B12 . These nutrients act like lubricants in the gears, ensuring that homocysteine metabolism runs smoothly while providing the necessary methyl groups to support the methylation process.
In addition to nutritional supplements, what else can we do:
- Food variety: Choose foods rich in folate, vitamin B6 , and vitamin B12 , such as green leafy vegetables, legumes, nuts, whole grains, meat, and dairy products. A varied diet helps ensure you get enough nutrients
- Environmental pollutants: Some chemicals and pollutants, such as those that may affect methylation. Try to avoid contact with these harmful substances and keep the environment clean
- Moderate exercise: Moderate aerobic and physical activity can also help maintain good health, help support methylation, and improve metabolic efficiency
- Chronic stress: Long-term chronic stress can affect the methylation process. Learn to manage stress and use relaxation and meditation techniques to help your body cope with stress and reduce the negative effects on methylation
Overall, ensuring your body has adequate nutrients, maintaining a healthy lifestyle, and managing stress can all help support the smooth functioning of methylation. This is essential for maintaining gene expression and overall body health.
Literature reference:
【1】Methylation demand: a key determinant of homocysteine metabolism John T Brosnan 1 , Rene L Jacobs , Lori M Stead , Margaret E Brosnan
【2】Homocysteine metabolism as the target for predictive medical approach, disease prevention, prognosis, and treatments tailored to the person Review Published: 11 November 2021 volume 12, pages477–505 (2021)
