Journal of Pathology and Translational Medicine

Original Articles

Significance of Parafibromin Expression in Laryngeal Squamous Cell Carcinomas: Inju Cho, Mija Lee, Sharon Lim, Ran Hong; J Pathol Transl Med. 2016;50(4):264-269. Published online June 23, 2016; DOI: https://doi.org/10.4132/jptm.2016.04.24

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Background
Parafibromin is a product of the tumor suppressor gene that has been studied as a potential indicator of tumor aggressiveness in the parathyroid, breast, colorectum, and stomach. However, the clinical significance and potential function of parafibromin expression in head and neck squamous cell carcinomas remain largely unknown. The aim of this study was to evaluate the expression of parafibromin in laryngeal squamous cell carcinoma (LSCC) and to verify its potential as a biomarker of tumor behavior.
Methods
Parafibromin expression was evaluated in 30 cases of LSCC using immunohistochemistry. The correlations between parafibromin expression and clinicopathologic parameters were investigated.
Results
Parafibromin expression was positive in 15 cases (50%) and negative in 15 cases (50%). Tumor size and T stage showed a statistically significant inverse relationship with parafibromin expression (p=.028 and p<.001, respectively). Parafibromin expression was not associated with age, sex, lymph node metastasis, tumor differentiation, or tumor location. There was no statistically significant relationship between parafibromin expression and progression-free survival in the patients (p>.05).
Conclusions
Our results indicate that the downregulation or loss of parafibromin expression can be employed as a novel marker of tumor progression or aggressiveness in LSCC.

Citations

Citations to this article as recorded by

Advances in the application of label‐free quantitative proteomics techniques in malignancy research
Xiao Meng, Dong Liu, Yan Guan
Biomedical Chromatography.2023;[Epub] CrossRef
The roles of the tumor suppressor parafibromin in cancer
Hua-chuan Zheng, Hang Xue, Cong-yu Zhang
Frontiers in Cell and Developmental Biology.2022;[Epub] CrossRef
The clinicopathological and prognostic significances of CDC73 expression in cancers: a bioinformatics analysis
Hua-Chuan Zheng, Bao-Cheng Gong, Shuang Zhao
Oncotarget.2017; 8(56): 95270. CrossRef

Parafibromin Staining Characteristics in Urothelial Carcinomas and Relationship with Prognostic Parameters: Serap Karaarslan, Banu Yaman, Hakan Ozturk, Banu Sarsik Kumbaraci; J Pathol Transl Med. 2015;49(5):389-395. Published online September 15, 2015; DOI: https://doi.org/10.4132/jptm.2015.08.10

6,940 View
43 Download
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Abstract PDF

Background
Parafibromin is a recently defined tumor suppressor gene. The aim of our study was to determine the relationships of parafibromin expression in urothelial carcinomas (UCs) with prognostic parameters and to evaluate the use of parafibromin as a potential marker of UC. Methods: Parafibromin expression was assessed in 49 UC specimens using immunohistochemistry. The correlations between parafibromin expression and clinical and pathologic parameters were investigated. Results: Of the patients, 42 (85.7%) were male, and the mean age was 69.6 ± 8.2 years (range, 54 to 88 years). Morphologically, the UCs were divided into two groups: papillary (n = 27) and non-papillary (n = 22). There were seven low-grade (14.3%) and 42 high-grade (85.7%) tumors. Parafibromin was negative in 13 tumors (26.5%), partially positive in 19 tumors (38.8%), and positive in 17 tumors (34.7%). Parafibromin expression was more negative in UCs from upper urinary locations (n=17) and with muscularis propria invasion (n=28), which was statistically significant (p = .009 and p = .007, respectively). There was no statistically significant relationship between parafibromin expression and gender, age, tumor grade, survival, or disease-free survival. Conclusions: We found that UC cases with parafibromin positivity had less of a tendency to show muscularis propria invasion and were more commonly located in the lower urinary system. These results need to be confirmed with studies based on larger case series.

Citations

Citations to this article as recorded by

The roles of the tumor suppressor parafibromin in cancer
Hua-chuan Zheng, Hang Xue, Cong-yu Zhang
Frontiers in Cell and Developmental Biology.2022;[Epub] CrossRef
Prognostic role of parafibromin staining and CDC73 mutation in patients with parathyroid carcinoma: A systematic review and meta‐analysis based on individual patient data
Ruizhe Zhu, Zixing Wang, Ya Hu
Clinical Endocrinology.2020; 92(4): 295. CrossRef
The in vitro and in vivo effects of nuclear and cytosolic parafibromin expression on the aggressive phenotypes of colorectal cancer cells: a search of potential gene therapy target
Hua-chuan Zheng, Jia-jie Liu, Jing Li, Ji-cheng Wu, Lei Yang, Gui-feng Zhao, Xin Zhao, Hua-mao Jiang, Ke-qiang Huang, Zhi-jie Li
Oncotarget.2017; 8(14): 23603. CrossRef
The clinicopathological and prognostic significances of CDC73 expression in cancers: a bioinformatics analysis
Hua-Chuan Zheng, Bao-Cheng Gong, Shuang Zhao
Oncotarget.2017; 8(56): 95270. CrossRef
Significance of Parafibromin Expression in Laryngeal Squamous Cell Carcinomas
Inju Cho, Mija Lee, Sharon Lim, Ran Hong
Journal of Pathology and Translational Medicine.2016; 50(4): 264. CrossRef

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