SERPINB3 in the Chicken Model of Ovarian Cancer: A Prognostic Factor for Platinum Resistance and Survival in Patients with Epithelial Ovarian Cancer

Whasun Lim, Hee Seung Kim, Wooyoung Jeong, Suzie E. Ahn, Jinyoung Kim, Yong Beom Kim, Min A. Kim, Mi Kyung Kim, Hyun Hoon Chung, Yong Sang Song, Fuller W. Bazer, Jae Yong Han, Gwonhwa Song

Research output: Contribution to journalArticle

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Abstract

Serine protease inhibitors (SERPINs) appear to be ubiquitously expressed in a variety of species and play important roles in pivotal physiological processes such as angiogenesis, immune responses, blood coagulation and fibronolysis. Of these, squamous cell carcinoma antigen 1 (SCCA1), also known as a SERPINB3, was first identified in squamous cell carcinoma tissue from the cervix of women. However, there is little known about the SERPINB3 expression in human epithelial ovarian cancer (EOC). Therefore, in the present study, we investigated the functional role of SERPINB3 gene in human EOC using chickens, the most relevant animal model. In 136 chickens, EOC was found in 10 (7.4%). SERPINB3 mRNA was induced in cancerous, but not normal ovaries of chickens (P<0.01), and it was abundant only in the glandular epithelium of cancerous ovaries of chickens. Further, several microRNAs, specifically miR-101, miR-1668 and miR-1681 were discovered to influence SERPINB3 expression via its 3′-UTR which suggests that post-transcriptional regulation influences SERPINB3 expression in chickens. SERPINB3 protein was localized predominantly to the glandular epithelium in cancerous ovaries of chickens, and it was abundant in the nucleus of both chicken and human ovarian cancer cell lines. In 109 human patients with EOC, 15 (13.8%), 66 (60.6%) and 28 (25.7%) patients showed weak, moderate and strong expression of SERPINB3 protein, respectively. Strong expression of SERPINB3 protein was a prognostic factor for platinum resistance (adjusted OR; odds ratio, 5.94; 95% Confidence Limits, 1.21-29.15), and for poor progression-free survival (PFS; adjusted HR; hazard ratio, 2.07; 95% CI; confidence interval, 1.03-4.41). Therefore, SERPINB3 may play an important role in ovarian carcinogenesis and be a novel biomarker for predicting platinum resistance and a poor prognosis for survival in patients with EOC.

Original languageEnglish
Article numbere49869
JournalPLoS One
Volume7
Issue number11
DOIs
Publication statusPublished - 2012 Nov 21
Externally publishedYes

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platinum
ovarian neoplasms
Platinum
Ovarian Neoplasms
Chickens
chickens
Survival
Proteins
Serine Proteinase Inhibitors
Ovary
3' Untranslated Regions
Biomarkers
Coagulation
MicroRNAs
squamous cell carcinoma
Hazards
Animals
Blood
Genes
Cells

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

SERPINB3 in the Chicken Model of Ovarian Cancer : A Prognostic Factor for Platinum Resistance and Survival in Patients with Epithelial Ovarian Cancer. / Lim, Whasun; Kim, Hee Seung; Jeong, Wooyoung; Ahn, Suzie E.; Kim, Jinyoung; Kim, Yong Beom; Kim, Min A.; Kim, Mi Kyung; Chung, Hyun Hoon; Song, Yong Sang; Bazer, Fuller W.; Han, Jae Yong; Song, Gwonhwa.

In: PLoS One, Vol. 7, No. 11, e49869, 21.11.2012.

Research output: Contribution to journalArticle

Lim, W, Kim, HS, Jeong, W, Ahn, SE, Kim, J, Kim, YB, Kim, MA, Kim, MK, Chung, HH, Song, YS, Bazer, FW, Han, JY & Song, G 2012, 'SERPINB3 in the Chicken Model of Ovarian Cancer: A Prognostic Factor for Platinum Resistance and Survival in Patients with Epithelial Ovarian Cancer', PLoS One, vol. 7, no. 11, e49869. https://doi.org/10.1371/journal.pone.0049869
Lim, Whasun ; Kim, Hee Seung ; Jeong, Wooyoung ; Ahn, Suzie E. ; Kim, Jinyoung ; Kim, Yong Beom ; Kim, Min A. ; Kim, Mi Kyung ; Chung, Hyun Hoon ; Song, Yong Sang ; Bazer, Fuller W. ; Han, Jae Yong ; Song, Gwonhwa. / SERPINB3 in the Chicken Model of Ovarian Cancer : A Prognostic Factor for Platinum Resistance and Survival in Patients with Epithelial Ovarian Cancer. In: PLoS One. 2012 ; Vol. 7, No. 11.
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abstract = "Serine protease inhibitors (SERPINs) appear to be ubiquitously expressed in a variety of species and play important roles in pivotal physiological processes such as angiogenesis, immune responses, blood coagulation and fibronolysis. Of these, squamous cell carcinoma antigen 1 (SCCA1), also known as a SERPINB3, was first identified in squamous cell carcinoma tissue from the cervix of women. However, there is little known about the SERPINB3 expression in human epithelial ovarian cancer (EOC). Therefore, in the present study, we investigated the functional role of SERPINB3 gene in human EOC using chickens, the most relevant animal model. In 136 chickens, EOC was found in 10 (7.4{\%}). SERPINB3 mRNA was induced in cancerous, but not normal ovaries of chickens (P<0.01), and it was abundant only in the glandular epithelium of cancerous ovaries of chickens. Further, several microRNAs, specifically miR-101, miR-1668 and miR-1681 were discovered to influence SERPINB3 expression via its 3′-UTR which suggests that post-transcriptional regulation influences SERPINB3 expression in chickens. SERPINB3 protein was localized predominantly to the glandular epithelium in cancerous ovaries of chickens, and it was abundant in the nucleus of both chicken and human ovarian cancer cell lines. In 109 human patients with EOC, 15 (13.8{\%}), 66 (60.6{\%}) and 28 (25.7{\%}) patients showed weak, moderate and strong expression of SERPINB3 protein, respectively. Strong expression of SERPINB3 protein was a prognostic factor for platinum resistance (adjusted OR; odds ratio, 5.94; 95{\%} Confidence Limits, 1.21-29.15), and for poor progression-free survival (PFS; adjusted HR; hazard ratio, 2.07; 95{\%} CI; confidence interval, 1.03-4.41). Therefore, SERPINB3 may play an important role in ovarian carcinogenesis and be a novel biomarker for predicting platinum resistance and a poor prognosis for survival in patients with EOC.",
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AU - Jeong, Wooyoung

AU - Ahn, Suzie E.

AU - Kim, Jinyoung

AU - Kim, Yong Beom

AU - Kim, Min A.

AU - Kim, Mi Kyung

AU - Chung, Hyun Hoon

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