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Whole genome expression profiling of blood cells in ovarian cancer patients: prognostic impact of the CYP1B1, MTSS1, NCALD, and NOP14 genes
Umeå University, Faculty of Medicine, Department of Medical Biosciences, Clinical chemistry.
2014 (English)In: OncoTarget, ISSN 1949-2553, E-ISSN 1949-2553, Vol. 5, no 12, 4040-4049 p.Article in journal (Refereed) Published
Abstract [en]

Ovarian cancer patients with different tumor stages and cell differentiation might be distinguished from each other by gene expression profiles in whole blood cell mRNA by the Affymetrix Human Gene 1.0 ST Array. We also examined if there is any association with other clinical variables, response to therapy, and residual tumor burden after surgery. Patients were divided into two groups, one with poor prognosis, advanced stage and poorly differentiated tumors (n = 22), and one group with good prognosis, early stage and well-to medium differentiated tumors (n = 11). Six genes were found to be differentially expressed: the PDIA3, LYAR, NOP14, NCALD and MTSS1 genes were down-regulated and the CYP1B1 gene expression was up-regulated in the poor prognosis group, all with p value <0.05, adjusted for mass comparison. In survival analyses, CYP1B1, MTSS1, NCALD and NOP14 remained significantly different (p<0.05). Patient groups did not differ in any transcript related to acute phase or immune responses. This minimal gene expression signature of prognostic ovarian cancer-related genes opens up an avenue for more practicable monitoring of ovarian cancer patients by simple peripheral blood tests, which may evolve into a tool to guide selection of curative and postoperative supportive therapies.

Place, publisher, year, edition, pages
2014. Vol. 5, no 12, 4040-4049 p.
Keyword [en]
ovarian cancer, whole genome profiling, prognosis, mRNA, NCALD, MTSS1, PDA3, CYP1B1, NOP14, LYAR
National Category
Cancer and Oncology Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)
Identifiers
URN: urn:nbn:se:umu:diva-91859ISI: 000339055200007OAI: oai:DiVA.org:umu-91859DiVA: diva2:740726
Available from: 2014-08-26 Created: 2014-08-18 Last updated: 2017-12-05Bibliographically approved

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http://www.impactjournals.com/oncotarget/index.php?journal=oncotarget&page=article&op=view&path%5B%5D=1938&path%5B%5D=2679

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Nilsson, Torbjörn K

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