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Modulation of chemical carcinogenesis in rats by alkyl lysophospholipids
1Institute of Toxicology and Chemotherapy, German Cancer Research Institute, Heidelberg, Federal Republic of Germany.
Lipids
|November 1, 1987
Abstract:
The influence of 1-O-octadecyl-2-O-methyl-rac-glycero-3-phosphocholine (ET-18-OCH3) and 1-hexadecylmercapto-2-methoxymethyl-rac-propyl-3-phosphocholine (TLP, BM41.440) on methylnitrosourea (MNU)-induced rat mammary carcinomas and of ET-18-OCH3 on 7,12-dimethylbenzanthracene (DMBA)-induced leukemias was investigated. Both agents effectively delayed MNU-induced mammary tumor formation at high, cytotoxic dosages but TLP had no influence at low "immunomodulatory" doses. ET-18-OCH3 also significantly protected against leukemia development in DMBA-treated Long-Evans rats.