Muscle uptake of vitamin E and its association with muscle fiber type

Mohsen Meydani, Roger A. Fielding, Joseph Gerard Cannon, Jeffrey B. Blumberg, William J. Evans

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The effect of 800 IU vitamin E (dl-α-tocopheryl acetate) supplementation for 30 days on α- and γ-tocopherol concentrations in gastrocnemius muscle and the relation between vitamin E concentrations and the distribution of Type I and II fibers was investigated in nine healthy adults (21 to 44 years). The plasma concentration of α-tocopherol increased by 300% (65.2 ± 7.7 versus 21.8 ± 2.3 μmol/L) and γ-tocopherol decreased by 74% (1.3 ± 0.1 vs. 3.2 ± 0.6 μmol/L) within 15 days of supplementation and was maintained at this plateau with continuous supplementation. Muscle biopsies taken before and after supplementation showed a significant 53% increase of α-tocopherol (37.3 ± 12.1 versus 37.6 ± 7.0 nmol/g) and a 37% decrease of γ-tocopherol (7.8 ± 1.1 versus 12.5 ± 1.1 nmol/g). There was a significant correlation between plasma and muscle concentrations of α- and γ-tocopherol (r = 0.71, P = 0.001 and r = 0.59, P = 0.009 respectively). Muscle α-tocopherol, but not γ-tocopherol, was inversely correlated with body mass index (r = -0.69, P = 0.008). The percentage of Type I fibers was inversely correlated with plasma concentrations of α-tocopherol (r = -0.69, P < 0.05), but this correlation with muscle concentrations of α-tocopherol was weak. It appears that individuals with a higher percentage of Type I fibers may utilize more α-tocopherol, perhaps to prevent oxidative damage from contractile activity.

Original languageEnglish (US)
Pages (from-to)74-78
Number of pages5
JournalJournal of Nutritional Biochemistry
Volume8
Issue number2
DOIs
StatePublished - Feb 1 1997

Fingerprint

Tocopherols
Vitamin E
Muscle
Muscles
Fibers
Plasmas
Biopsy
alpha-Tocopherol
Skeletal Muscle
Body Mass Index

Keywords

  • gastrocnemius muscle
  • humans
  • plasma
  • type I fiber
  • vitamin E

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Molecular Biology
  • Nutrition and Dietetics
  • Clinical Biochemistry

Cite this

Meydani, M., Fielding, R. A., Cannon, J. G., Blumberg, J. B., & Evans, W. J. (1997). Muscle uptake of vitamin E and its association with muscle fiber type. Journal of Nutritional Biochemistry, 8(2), 74-78. https://doi.org/10.1016/S0955-2863(96)00176-3

Muscle uptake of vitamin E and its association with muscle fiber type. / Meydani, Mohsen; Fielding, Roger A.; Cannon, Joseph Gerard; Blumberg, Jeffrey B.; Evans, William J.

In: Journal of Nutritional Biochemistry, Vol. 8, No. 2, 01.02.1997, p. 74-78.

Research output: Contribution to journalArticle

Meydani, M, Fielding, RA, Cannon, JG, Blumberg, JB & Evans, WJ 1997, 'Muscle uptake of vitamin E and its association with muscle fiber type', Journal of Nutritional Biochemistry, vol. 8, no. 2, pp. 74-78. https://doi.org/10.1016/S0955-2863(96)00176-3
Meydani, Mohsen ; Fielding, Roger A. ; Cannon, Joseph Gerard ; Blumberg, Jeffrey B. ; Evans, William J. / Muscle uptake of vitamin E and its association with muscle fiber type. In: Journal of Nutritional Biochemistry. 1997 ; Vol. 8, No. 2. pp. 74-78.
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