Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1992-10-7
pubmed:abstractText
The effect of commonly used food antioxidants on recombinant tumor necrosis factor alpha (rTNF-alpha)-induced cytotoxicity, growth enhancement and adhesion has been evaluated. Butylated hydroxyanisole (BHA) and 4-hydroxymethyl-2,6-di-t-butylphenol (HBP) were the only two of nine antioxidants that completely inhibited rTNF-alpha-induced cytotoxicity in L929 and WEHI 164 fibrosarcoma cells. Ethoxyquin, propyl gallate and butylated hydroquinone only partially inhibited rTNF-alpha-induced cytotoxicity, while the antioxidants butylated hydroxytoluene (BHT), alpha-tocopherol, ascorbic acid and thiodipropionic acid had minimal effects. The only difference between the molecular structure of the efficient HBP and the non-efficient BHT, is a hydroxymethyl group instead of a hydroxyl group on the phenolic ring. Neither BHA nor BHT inhibited the activation of NF kappa B after 10 or 60 min challenge with rTNF-alpha in L929 cells. BHA also inhibited rTNF-alpha-induced, but not rIL-1 beta-induced growth enhancement in FS-4 fibroblasts. Further, BHA blocked both rTNF-alpha-induced and rIL-1 beta-induced prostaglandin E2 synthesis in FS-4 fibroblasts. BHA inhibited the rTNF-alpha-induced release of arachidonic acid in both FS-4 and L929 cells, suggesting that BHA inhibits cellular phospholipase(s). Neither alpha-tocopherol nor BHA inhibited rTNF-alpha-induced adhesiveness of human endothelial cells. The results indicate that BHA is a specific and potent inhibitor of rTNF-alpha- and rTNF-beta-induced cytotoxicity, as well as of rTNF-alpha-induced growth enhancement.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
1043-4666
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
269-80
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:1515551-Animals, pubmed-meshheading:1515551-Antioxidants, pubmed-meshheading:1515551-Arachidonic Acid, pubmed-meshheading:1515551-Base Sequence, pubmed-meshheading:1515551-Butylated Hydroxyanisole, pubmed-meshheading:1515551-Butylated Hydroxytoluene, pubmed-meshheading:1515551-Cell Adhesion, pubmed-meshheading:1515551-Cell Division, pubmed-meshheading:1515551-Cytotoxicity, Immunologic, pubmed-meshheading:1515551-Dinoprostone, pubmed-meshheading:1515551-Endothelium, Vascular, pubmed-meshheading:1515551-Fibroblasts, pubmed-meshheading:1515551-Humans, pubmed-meshheading:1515551-Interleukin-1, pubmed-meshheading:1515551-Mice, pubmed-meshheading:1515551-Molecular Sequence Data, pubmed-meshheading:1515551-NF-kappa B, pubmed-meshheading:1515551-Tumor Cells, Cultured, pubmed-meshheading:1515551-Tumor Necrosis Factor-alpha
pubmed:year
1992
pubmed:articleTitle
Butylated hydroxyanisole specifically inhibits tumor necrosis factor-induced cytotoxicity and growth enhancement.
pubmed:affiliation
Department of Clinical Chemistry, Trondheim Regional Hospital, University of Norway.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't