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[Free amino acids in normal and carcinomatous ovarian tissue in correlation with serum level--tumor diagnostic possibilities].

Free amino acids were investigated in samples of normal and carcinomatous ovarian tissues by amino analyser AAA 881 (Mikrotechna, Praha). The level of amino acids in cancer tissue was 2.5-5 times higher than in normal ovarian tissue. There was no difference in serum amino acid levels of patients with benign ovarian tumours and healthy women. Significant differences of free amino acid level were found in cancer patients in correlation to normal female persons. It is possible to use these alterations for tumour diagnosis.