期刊
NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL
卷 37, 期 2, 页码 119-127出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1207/S15327914NC372_1
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- NCI NIH HHS [CA-53124] Funding Source: Medline
- NATIONAL CANCER INSTITUTE [R01CA053124] Funding Source: NIH RePORTER
Angiogenesis is a prerequisite for tremor growth and metastasis. Vascular endothelial cell proliferation, migration, and capillary formation ave stimulated by angiogenic growth factors, which include the proteins vascular endothelial growth factor, basic fibroblast growth factor and transforming growth factor-beta, and eicosanoids synthesized from n-6 fatty acids. Clinical studies have shown that angiogenesis in solid tumors relates to a poor prognosis and, in premalignant lesions, indicates potential for cancerous transformation. High-fat, n-6 fatty acid-rich diets were associated with a relatively poor prognosis in breast cancer patients,. in a nude mouse model the same diet enhanced breast cancer progression, whereas n-3 fatty acids exerted suppressive effects that were associated with impaired angiogenesis. Lipoxygenase and cyclooxygenase products of n-6 fatty acid metabolism are angiogenic in in vitro assays. This activity is blocked by pharmacological inhibitors of eicosanoid biosynthesis, and one, indomethacin, suppressed n-6 fatty acid-stimulated murine mammary carcinoma growth and metastasis and tumor vascularization. Review of the experimental data suggests that selective inhibitors of eicosanoid-synthesizing enzymes and dietary intervention with n-3 fatty acids merit clinical evaluation as adjuvant therapy and chemopreventive agents.
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