Serum tocopherol levels and vitamin E intake are associated with lung function in the normative aging study

Corrine K Hanson, Elizabeth Lyden, Jeremy Furtado, Hannia Campos, David Sparrow, Pantel Vokonas, Augusto A. Litonjua

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background & aims: The results of studies assessing relationships between vitamin E intake and status and lung function are conflicting. This study aimed to evaluate the effect of vitamin E intake and serum levels of tocopherol isoforms on lung function in a cross-sectional sample of 580 men from the Normative Aging Study, a longitudinal aging study. Methods: Regression models were used to look at associations of serum tocopherol isoform levels and vitamin E intake with lung function parameters after adjustment for confounders. Vitamin E intake was measured using a food frequency questionnaire and serum levels of γ, α, and δ-tocopherol levels were measured using high-performance liquid chromatography. Results: After adjustment for potential confounders, serum γ-tocopherol had a significant inverse association with forced vital capacity (β = -0.10, p = 0.05). Alpha and δ-tocopherol were not associated with any lung function parameter. After classifying COPD status according to Global Initiative for Obstructive Lung Disease (GOLD) stage criteria, serum levels of δ-tocopherol were lower in participants with more severe COPD (p = 0.01). Serum levels of δ-tocopherol were also lower in participants with greater levels of smoking (p = 0.02). Both vitamin E intake (β = 0.03, p = 0.02; β = 0.03, p = 0.01) and use of vitamin E supplements (β = 0.05, p = 0.03; β = 0.06. p = 0.02) were positively associated with FEV1 and FVC, after adjusting for confounders. Subjects who took vitamin E supplements had significantly higher α-tocopherol levels (p < 0.0001) and lower γ-tocopherol levels (p < 0.0001) than non-users. Conclusion: In this study, there is a positive association between dietary vitamin E intake and lung function, and evidence of an inverse relationship between serum levels of γ-tocopherol and lung function.

Original languageEnglish (US)
Pages (from-to)169-174
Number of pages6
JournalClinical Nutrition
Volume35
Issue number1
DOIs
StatePublished - Feb 1 2016

Fingerprint

Tocopherols
Vitamin E
Lung
Serum
Chronic Obstructive Pulmonary Disease
Protein Isoforms
Obstructive Lung Diseases
Vital Capacity
alpha-Tocopherol
Longitudinal Studies
Smoking
High Pressure Liquid Chromatography
Food

Keywords

  • COPD
  • Diet
  • Inflammation
  • Lung function
  • Tocopherols
  • Vitamin E

ASJC Scopus subject areas

  • Nutrition and Dietetics
  • Critical Care and Intensive Care Medicine

Cite this

Serum tocopherol levels and vitamin E intake are associated with lung function in the normative aging study. / Hanson, Corrine K; Lyden, Elizabeth; Furtado, Jeremy; Campos, Hannia; Sparrow, David; Vokonas, Pantel; Litonjua, Augusto A.

In: Clinical Nutrition, Vol. 35, No. 1, 01.02.2016, p. 169-174.

Research output: Contribution to journalArticle

Hanson, Corrine K ; Lyden, Elizabeth ; Furtado, Jeremy ; Campos, Hannia ; Sparrow, David ; Vokonas, Pantel ; Litonjua, Augusto A. / Serum tocopherol levels and vitamin E intake are associated with lung function in the normative aging study. In: Clinical Nutrition. 2016 ; Vol. 35, No. 1. pp. 169-174.
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AU - Hanson, Corrine K

AU - Lyden, Elizabeth

AU - Furtado, Jeremy

AU - Campos, Hannia

AU - Sparrow, David

AU - Vokonas, Pantel

AU - Litonjua, Augusto A.

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AB - Background & aims: The results of studies assessing relationships between vitamin E intake and status and lung function are conflicting. This study aimed to evaluate the effect of vitamin E intake and serum levels of tocopherol isoforms on lung function in a cross-sectional sample of 580 men from the Normative Aging Study, a longitudinal aging study. Methods: Regression models were used to look at associations of serum tocopherol isoform levels and vitamin E intake with lung function parameters after adjustment for confounders. Vitamin E intake was measured using a food frequency questionnaire and serum levels of γ, α, and δ-tocopherol levels were measured using high-performance liquid chromatography. Results: After adjustment for potential confounders, serum γ-tocopherol had a significant inverse association with forced vital capacity (β = -0.10, p = 0.05). Alpha and δ-tocopherol were not associated with any lung function parameter. After classifying COPD status according to Global Initiative for Obstructive Lung Disease (GOLD) stage criteria, serum levels of δ-tocopherol were lower in participants with more severe COPD (p = 0.01). Serum levels of δ-tocopherol were also lower in participants with greater levels of smoking (p = 0.02). Both vitamin E intake (β = 0.03, p = 0.02; β = 0.03, p = 0.01) and use of vitamin E supplements (β = 0.05, p = 0.03; β = 0.06. p = 0.02) were positively associated with FEV1 and FVC, after adjusting for confounders. Subjects who took vitamin E supplements had significantly higher α-tocopherol levels (p < 0.0001) and lower γ-tocopherol levels (p < 0.0001) than non-users. Conclusion: In this study, there is a positive association between dietary vitamin E intake and lung function, and evidence of an inverse relationship between serum levels of γ-tocopherol and lung function.

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KW - Inflammation

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KW - Tocopherols

KW - Vitamin E

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