Literature DB >> 16808116

How an increased intake of alpha-tocopherol can suppress the bioavailability of gamma-tocopherol.

George Wolf1.   

Abstract

alpha-Tocopherol is the only form of vitamin E in vitamin supplements, whereas gamma-tocopherol is the predominant form of vitamin E in the US diet. gamma-Tocopherol has beneficial properties as an anti-inflammatory and possibly anti-atherogenic and anticancer agent. Excess a-tocopherol taken in supplements causes a reduction of gamma-tocopherol concentration in plasma. The biochemical mechanism of this effect, which is important to human nutrition, has recently been elucidated.

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Year:  2006        PMID: 16808116     DOI: 10.1111/j.1753-4887.2006.tb00213.x

Source DB:  PubMed          Journal:  Nutr Rev        ISSN: 0029-6643            Impact factor:   7.110


  33 in total

Review 1.  Isoforms of vitamin E differentially regulate inflammation.

Authors:  Joan M Cook-Mills; Christine A McCary
Journal:  Endocr Metab Immune Disord Drug Targets       Date:  2010-12       Impact factor: 2.895

2.  Effect of alpha-tocopherol, N-acetylcysteine and omeprazole on esophageal adenocarcinoma formation in a rat surgical model.

Authors:  Jing Hao; Bin Zhang; Ba Liu; Maojung Lee; Xingpei Hao; Kenneth R Reuhl; Xiaoxin Chen; Chung S Yang
Journal:  Int J Cancer       Date:  2009-03-15       Impact factor: 7.396

3.  δ-tocopherol is more active than α - or γ -tocopherol in inhibiting lung tumorigenesis in vivo.

Authors:  Guang-Xun Li; Mao-Jung Lee; Anna B Liu; Zhihong Yang; Yong Lin; Weichung J Shih; Chung S Yang
Journal:  Cancer Prev Res (Phila)       Date:  2011-03

4.  Associations between serum vitamin E concentration and bone mineral density in the US elderly population.

Authors:  J Zhang; X Hu; J Zhang
Journal:  Osteoporos Int       Date:  2016-12-01       Impact factor: 4.507

Review 5.  Vascular cell adhesion molecule-1 expression and signaling during disease: regulation by reactive oxygen species and antioxidants.

Authors:  Joan M Cook-Mills; Michelle E Marchese; Hiam Abdala-Valencia
Journal:  Antioxid Redox Signal       Date:  2011-05-11       Impact factor: 8.401

Review 6.  Bariatric Surgery: Bad to the Bone, Part 1.

Authors:  Lara Pizzorno
Journal:  Integr Med (Encinitas)       Date:  2016-03

7.  Supplemental and highly elevated tocopherol doses differentially regulate allergic inflammation: reversibility of α-tocopherol and γ-tocopherol's effects.

Authors:  Christine A McCary; Hiam Abdala-Valencia; Sergejs Berdnikovs; Joan M Cook-Mills
Journal:  J Immunol       Date:  2011-02-11       Impact factor: 5.422

8.  Isoforms of vitamin E have opposing immunoregulatory functions during inflammation by regulating leukocyte recruitment.

Authors:  Sergejs Berdnikovs; Hiam Abdala-Valencia; Christine McCary; Michelle Somand; Rokeisha Cole; Alex Garcia; Paul Bryce; Joan M Cook-Mills
Journal:  J Immunol       Date:  2009-04-01       Impact factor: 5.422

9.  Egg Consumption Increases Vitamin E Absorption from Co-Consumed Raw Mixed Vegetables in Healthy Young Men.

Authors:  Jung Eun Kim; Mario G Ferruzzi; Wayne W Campbell
Journal:  J Nutr       Date:  2016-09-21       Impact factor: 4.798

10.  Anticancer actions of natural and synthetic vitamin E forms: RRR-alpha-tocopherol blocks the anticancer actions of gamma-tocopherol.

Authors:  Weiping Yu; Li Jia; Sook-Kyung Park; Jing Li; Archana Gopalan; Marla Simmons-Menchaca; Bob G Sanders; Kimberly Kline
Journal:  Mol Nutr Food Res       Date:  2009-12       Impact factor: 5.914

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