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Vitamin E status and immune function
1Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts 02111, USA.
Methods in Enzymology
|January 1, 1997
Summary
Vitamin E is crucial for a robust immune system, with deficiency impairing immune response. Supplementation beyond recommended levels can boost immunity, especially in vulnerable populations.
Area of Science:
- Immunology
- Nutrition Science
Background:
- Vitamin E is vital for immune system maintenance.
- Marginal vitamin E deficiency compromises immune function.
- Adequate vitamin E intake is essential for optimal host defense.
Purpose of the Study:
- To review the role of vitamin E in immune function.
- To assess the impact of vitamin E levels on immune response.
- To explore immunological parameters as indicators of vitamin E status.
Main Methods:
- Review of animal and human studies.
- Analysis of immunological parameters sensitive to vitamin E availability.
Main Results:
- Vitamin E deficiency impairs immune response.
- Higher vitamin E intake enhances humoral and cell-mediated immunity.
- Current Recommended Dietary Allowance (RDA) may not ensure optimal immunity in all individuals, particularly the elderly or those with diseases.
Conclusions:
- Vitamin E status significantly influences immune function.
- Immunological markers can serve as accurate indicators of vitamin E status.
- Optimizing vitamin E levels may be beneficial for immune health, especially in specific populations.