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Virchows Arch. 2017 Sep;471(3):355-362. doi: 10.1007/s00428-017-2172-5. Epub 2017 Jun 22.

Neuron navigator-2 and cyclin D2 are new candidate prognostic markers in uterine sarcoma.

Author information

1
Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, N-0424, Oslo, Norway. bend@medisin.uio.no.
2
Institute for Clinical Medicine, the Medical Faculty, University of Oslo, N-0316, Oslo, Norway. bend@medisin.uio.no.
3
Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, N-0424, Oslo, Norway.
4
Institute for Cancer Genetics and Informatics, Norwegian Radium Hospital, Oslo University Hospital, N-0424, Oslo, Norway.
5
Center of Cancer Biomedicine, the Medical Faculty, University of Oslo, N-0316, Oslo, Norway.
6
Department of Informatics, the Medical Faculty, University of Oslo, N-0316, Oslo, Norway.
7
Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, OX3 9DU, UK.
8
Gynecologic Oncology, Norwegian Radium Hospital, Oslo University Hospital, N-0424, Oslo, Norway.

Abstract

The objective of this study was to validate the diagnostic and clinical role of four protein products of genes previously found to be differentially expressed in uterine low-grade endometrial stromal sarcoma (LG-ESS) compared to uterine leiomyosarcoma (LMS). Protein expression by immunohistochemistry of transgelin (TGLN), neuron navigator-2 (NAV2), fatty acid binding protein-3 (FABP3), and cyclin D2 (CCND2) was analyzed in 305 uterine sarcomas (231 LMS, 74 LG-ESS). Expression was analyzed for association with clinicopathologic parameters and survival. TGLN (p < 0.001), NAV2 (p < 0.001), and FABP3 (p = 0.005) were overexpressed in LMS compared to LG-ESS, whereas nuclear CCND2 (p < 0.001) was overexpressed in LG-ESS. NAV2 expression was associated with shorter overall survival in patients with LMS (p = 0.037), whereas nuclear CCND2 expression in LG-ESS was significantly related to longer survival (p = 0.012) in univariate analysis. Nuclear CCND2 expression was an independent prognosticator in Cox multivariate analysis (p = 0.023). In conclusion, TGLN, FABP3, NAV2, and nuclear CCND2 aid in differentiating LG-ESS from LMS. NAV2 and CCND2 are novel candidate prognostic markers in LMS and LG-ESS, respectively.

KEYWORDS:

Diagnosis; Immunohistochemistry; Survival; Uterine sarcoma

PMID:
28643014
DOI:
10.1007/s00428-017-2172-5
[Indexed for MEDLINE]

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