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Expression of LRIG proteins as possible prognostic factors in primary vaginal carcinoma
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper.
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper.
Vise andre og tillknytning
2017 (engelsk)Inngår i: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 12, nr 8, e0183816Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: Primary vaginal carcinoma (PVC) is a rare malignancy. Established prognostic factors include tumour stage and age at diagnosis. The leucine-rich repeats and immunoglobuline-like domains (LRIG)-1 protein functions as a tumour suppressor, but less is known about the functions of LRIG2 and LRIG3. The present study aimed to evaluate the expression of LRIG proteins and analyse their possible associations with clinical characteristics and survival in a cohort of PVC patients.

Methods: We used immunohistochemistry to investigate LRIG1, LRIG2, and LRIG3 expression in tumour samples from a consecutive cohort of 70 PVC patients. The association between LRIG protein expression and clinical characteristics and cancer-specific survival was investigated using univariate and multivariate analyses.

Results: The majority of PVC patients (72%) had >50% LRIG1- and LRIG2-positive cells, and no or low LRIG3-positive cells. HPV status was significantly correlated with LRIG1 expression (p = 0.0047). Having high LRIG1 expression was significantly correlated with superior cancer-specific survival in univariate and multivariate analyses. LRIG2 and LRIG3 expression did not significantly correlate with clinical characteristics or survival.

Conclusion: LRIG1 expression might be of interest as a prognostic marker in PVC patients, whereas the role of LRIG2 and LRIG3 expression remains to be clarified.

sted, utgiver, år, opplag, sider
2017. Vol. 12, nr 8, e0183816
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-140970DOI: 10.1371/journal.pone.0183816ISI: 000408370700059OAI: oai:DiVA.org:umu-140970DiVA: diva2:1155531
Forskningsfinansiär
Swedish Research Council, 521-2008-2899
Tilgjengelig fra: 2017-11-08 Laget: 2017-11-08 Sist oppdatert: 2017-11-08bibliografisk kontrollert

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