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Effect of transplanted human ovarian cancer tissue on liver lipid metabolism of nude mice

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Lipids

Abstract

The changes in the lipids of liver tissues of nude mice with and without transplanted human cancerous tissues were studied to clarify the effect of transplanted human tumor tissues on host liver lipid metabolism. The total lipid was extracted and separated into phospholipid, triglyceride, and other fractions by thin layer chromatography. The amounts of methyl esters of fatty acids of each lipid fraction were measured by quantitative gas liquid chromatography after each lipid fraction had been subjected to methanolysis by 5% HCl-methanol. The phospholipid content of liver tissues of six tumor bearing nude mice was increased and the triglyceride content decreased in comparison with these fractions in three control nude mice. The ratio of the phospholipid fatty acid content to the triglyceride fatty acid content (phospholipid∶triglyceride [PL∶TG]) of six tumor bearing nude mice was distributed between 7.6 and 33.5, whereas PL∶TG ratios of three control nude mice were distributed between 1.7 and 3.8. This result was similar to that reported for human liver tissues of patients with malignant neoplastic disease, indicating that nude mice with transplanted human cancer may be useful for clarifying the mechanisms of the lipid-chemical changes of liver tissues of patients with malignancies.

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Authors and Affiliations

  1. IIIrd Department of Internal Medicine School of Medicine, Tohoku University, Sendai, Japan

    Ichiro Nakazawa

  2. Department of Biological Chemistry and Laboratory of Nuclear Medicine and Radiation Biology, University of California, 90024, Los Angeles, California

    James F. Mead

Authors
  1. Ichiro Nakazawa
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  2. James F. Mead
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Nakazawa, I., Mead, J.F. Effect of transplanted human ovarian cancer tissue on liver lipid metabolism of nude mice. Lipids 11, 159–161 (1976). https://doi.org/10.1007/BF02532668

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  • DOI: https://doi.org/10.1007/BF02532668

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