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Secretome Identifies Tenascin-X as a Potent Marker of Ovarian Cancer

Published in BioMed Research International. 2015, vol. 2015, no. ID 208017, p. 1-9
Abstract CA-125 has been a valuable marker for the follow-up of ovarian cancer patients but it is not sensitive enough to be used as diagnostic marker.We had already used secretomic methods to identify proteins differentially secreted by serous ovarian cancer cells compared to healthy ovarian cells.Here,we evaluated the secretion of these proteins by ovarian cancer cells during the follow-up of one patient. Proteins that correlated with CA-125 levels were screened using serum samples from ovarian cancer patients as well as benign and healthy controls. Tenascin-X secretion was shown to correlatewithCA-125 value in the initial case study.Theimmunohistochemical detection of increased amount of tenascin-X in ovarian cancer tissues compared to healthy tissues confirms the potent interest in tenascin-X as marker. We then quantified the tenascin-X level in serum of patients and identified tenascin-X as potent marker for ovarian cancer, showing that secretomic analysis is suitable for the identification of protein biomarkers when combined with protein immunoassay. Using this method, we determined tenascin-X as a new potent marker for serous ovarian cancer.
PMID: 26090390
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Research groups Laboratoire de biologie des tumeurs gynécologiques et du développement (927)
Métastases du foie (657)
Groupe Petignat Patrick (933)
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KRAMER, Marianne et al. Secretome Identifies Tenascin-X as a Potent Marker of Ovarian Cancer. In: BioMed Research International, 2015, vol. 2015, n° ID 208017, p. 1-9. https://archive-ouverte.unige.ch/unige:73098

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Deposited on : 2015-06-09

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