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      Clinical implications of expression of interleukin-8 related to myometrial invasion with angiogenesis in uterine endometrial cancers

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      Annals of Oncology
      Oxford University Press (OUP)

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          Abstract

          Angiogenesis is essential for development, growth and advancement of solid tumors. The tumor-associated macrophage has been recognized among inflammatory cells as a candidate for supplying tumor angiogenic factors. Interleukin (IL)-8 is assumed to be a macrophage-derived mediator of angiogenesis. This prompted us to study the clinical implications of macrophage-derived angiogenesis in uterine endometrial cancers. Sixty patients underwent curative resection for uterine endometrial cancers. The patient prognosis was analyzed with a 48 month survival rate after curative resection. In tissue of uterine endometrial cancers, the levels of IL-1alpha, IL-1beta, tumor necrosis factor-alpha, IL-8, basic fibroblast growth factor, vascular endothelial growth factor and platelet-derived endothelial cell growth factor were determined by enzyme immunoassay, and the localization and counts of microvessels and macrophages were determined by immunohistochemistry. There was a significant correlation between microvessel counts and IL-8 levels and between infiltrated macrophage counts and IL-8 levels in uterine endometrial cancers. Immunohistochemical staining revealed that the localization of IL-8 was similar to that of CD68 for macrophages. IL-8 levels were significantly increased during myometrial invasion from stage Ia to stages Ib through IV. IL-8 might act as an angiogenic switch in myometrial invasion in stage I uterine endometrial cancers. Furthermore, IL-8 supplied from infiltrated macrophages within and around the tumor might not be a prognostic indicator of advancement, but may be associated with myometrial invasion in uterine endometrial cancers.

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          Author and article information

          Journal
          Annals of Oncology
          Annals of Oncology
          Oxford University Press (OUP)
          09237534
          March 2002
          March 2002
          : 13
          : 3
          : 430-434
          Article
          10.1093/annonc/mdf078
          11996475
          9d20a0ae-6c1e-4317-b688-e134929ec5db
          © 2002

          https://www.elsevier.com/tdm/userlicense/1.0/

          http://www.elsevier.com/open-access/userlicense/1.0/

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