Effect of Dietary n-3/n-6 Fatty Acid Ratio on the Total Count, Fatty Acid Composition, and Histamine and Leukotriene Concentrations of Mast Cells in Tunica Mucosa Bronchiorum of Type I Allergic Guinea Pig.
Bibliographic Information
- Other Title
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- Effect of Dietary n-3 n-6 Fatty Acid Ra
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Abstract
To search for the most effective dietary n-3/n-6 ratio to suppress the type I allergic response, we performed basic experiments that applied parameters associated with the type I allergy. Guinea pigs fed on diets containing lipids with the n-3/n-6 ratio at different levels and the polyunsaturated fatty acid/saturated fatty acid ratio of a fixed level were sensitized with ovalbumin and reared for two weeks. The lowest or critical level of the n-3/n-6 ratio which produced a significant difference in the parameters was as follows: about 2.0 for the response of mast cells and eosinophils; 0.5 and 1.0, respectively, for the uptake of n-3 and n-6 polyunsaturated fatty acids and decreased histamine production; and 0.2 for decreased leukotriene B4 and total leukotrienes 4, and increased leukotrienes 5/leukotrienes 4. The critical level of the n-3/n-6 ratio thus differed widely according to the parameter. Overall, the upper limit for the dietary n-3/n-6 ratio to suppress antigen-induced type I allergic responses is suggested to be around 1.0.
Journal
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 61 (5), 763-767, 1997
Japan Society for Bioscience, Biotechnology, and Agrochemistry
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Details 詳細情報について
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- CRID
- 1390282681450937344
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- NII Article ID
- 110002678575
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- NII Book ID
- AA10824164
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- COI
- 1:CAS:528:DyaK2sXjsVyju7s%3D
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- ISSN
- 13476947
- 09168451
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- NDL BIB ID
- 4219996
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- PubMed
- 9178549
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- Abstract License Flag
- Disallowed