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Comparison between proteins secreted by ovarian normal interstitial fluid (NIF) and by ovarian tumoral interstitial fluid (TIF). Two-dimensional gel electrophoresis (2DE) images of protein in NIF (panel A), obtained from healthy ovarian tissue biopsies and in TIF (panel B), obtained from ovarian cancer biopsies. Molecular weight (kDa) and isoelectric values (pI) are shown on the image. Arrows indicate proteins differentially expressed and identified by MS analysis.
