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- W2111033227 abstract "In the first part of this study, the possible role of essential total fatty acids and their metabolites during cervical carcinogenesis was investigated. Since membrane lipids play a key role in cell proliferation and differentiation, disturbances in the fatty acid compositions of cell membranes and the modulation of membrane fatty acid compositions received attention in several in vitro studies. There are, however, no reported studies where the actual total and free (unesterified) fatty acid compositions have been determined during the different stages of cervical carcinogenesis. In part I of this ex vivo study, the total fatty acid compositions of normal tissue, intraepithelial and infiltrating lesions of the cervix were compared. The fatty acid profiles that were determined make it possible to speculate about the metabolic pathways followed during cervical carcinogenesis. Lipids were extracted from biopsies of normal tissue (n=36), cervical intraepithelial lesions (n=47) and infiltrating lesions (n=47). Samples, from which the total fatty acid compositions were determined, were saponified, methylated and analysed by gas liquid chromatography (GLC). Essential fatty acid deficiency (EFAD) in the intraepithelial lesions, compared with normal tissue (linoleic acid, P< 0.01), and infiltrating lesions, compared with intraepithelial lesions (linoleic acid and arachidonic acid, P< 0.01) were observed. High levels of oleic acid were also observed when infiltrating lesions were compared with normal tissue (P< 0.01). This EFAD in cancer cells may result in many defective cell mechanisms. Although there are many risk factors for cervical cancer, the human papilloma virus has emerged over the past decade as the leading candidate to be an aetiological factor. There is ample evidence that human viral infections are associated with reduced levels of linoleic acid and thus participate in the depletion of essential fatty acids in cancer cells." @default.
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- W2111033227 date "1998-10-01" @default.
- W2111033227 modified "2023-09-26" @default.
- W2111033227 title "Comparison of the fatty acid compositions in intraepithelial and infiltrating lesions of the cervix: part II, free fatty acid profiles" @default.
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- W2111033227 doi "https://doi.org/10.1016/s0952-3278(98)90138-7" @default.
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