Food Safety
収録数 249本
(更新日 2024/04/25)
Online ISSN : 2187-8404
ISSN-L : 2187-8404
ジャーナル 査読 オープンアクセス HTML 早期公開
Pubmed
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5 巻 (2017) 3 号 p. 75-97
Possible Role of Phosphatidylcholine and Sphingomyelin on Fumonisin B1-mediated Toxicity
Yasushi Yamazoe, Noriko Koyama, Susumu Kumagai

A major corn-related mycotoxin, fumonisin B1 (FB1), continues to attract attention of researchers as well as risk-assessors due to the diverse toxicological characteristics, including distinct target tissues in different animal species and opposite susceptibility in males and females in mice and rats. More than thirty years passed since the structure identification as a sphingoid-like chemical, but the causal mechanism of the toxicity remains obscure in spites of extensive studies. Considerable amounts of knowledge have been accumulated on the biochemical/toxicological actions of FB1, but the influence on lipid dynamics and mobilization in the body has not been focused well in relation to the FB1-mediated toxicity. Considerable influences of this toxin on mobilization of sphingolipids and phospholipids and also on adaptive changes in their compositions in tissues are implicated from recent studies on FB1-interacting ceramide synthases. Accumulated patho-physiological data also suggest a possible role of hepatic phospholipid on FB1-mediated toxicity. Thus, a mechanism of FB1-mediated toxicity is discussed in relation to the mobilization of phospholipids and sphingolipids in the body in this context.
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