CyclinD1, a prominent prognostic marker for endometrial diseases.
OBJECTIVE
Alteration of CyclinD1 was suggested to relate with development of endometrial carcinogenesis before, however CyclinD1 expression is not well defined in endometrial hyperplasia lesions. We checked the relationship between its expression and clinic-pathological variables of endometrial lesions to explore the possibility for CyclinD1 as a potential diagnostic and prognostic marker.


METHODS
Cyclin D1 immunohistochemical analysis (IHC) was used to evaluate 201 fixed, paraffin-embedded endometrial samples which included simple hyperplasia (n = 27), atypical complex hyperplasia (ACH) (n = 41), endometrioid carcinoma (n = 103), endometrial serous carcinoma (ESC) (n = 21) and clear cell carcinoma (CCC) (n = 9). A breast cancer with known CyclinD1 expression was selected as a positive control in each immunohistochemistry run. We also performed follow-up study to estimate patients' prognosis.


RESULTS
CyclinD1 was significantly overexpressed in atypical complex hyperplasia (ACH), endometrioid carcinoma and clear cell carcinoma (CCC). The positive signaling of CyclinD1 was showed less than 40% in simple hyperplasia and endometrial serous carcinoma (ESC). The high expression of CyclinD1 was observed in metastasis carcinoma group more significantly than non-metastasis carcinoma group. Kaplan Meier analysis demonstrated that patients with high CyclinD1 expression had an obviously poor prognosis than patients without CyclinD1 staining (p < 0.05). Moreover, according to multivariate Cox regression analysis, CyclinD1 expression, as crucial as metastasis, was a risk marker for overall survival rate.


CONCLUSIONS
CyclinD1 exhibited a promising potential to predict the prognosis of patients with endometrial carcinoma. However, the statistical analysis demonstrated that CyclinD1 exhibited a poor ability to differentiate neoplastic lesions from non-neoplastic lesions; thus, the application of CyclinD1 only is not so credible for differentiation between benign and malignant lesions.
The virtual slides for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1871063048950173.
Department of Pathology, Shandong University School of Medicine, 44#, Wenhua Xi Road, 250012 Jinan, Shandong, People's Republic of China. ztguo@sdu.edu.cn.
Shuo
S
Liang
Kun
K
Mu
Yan
Y
Wang
Zhiqiang
Z
Zhou
Juan
J
Zhang
Yan
Y
Sheng
Tingguo
T
Zhang
D018262:Adenocarcinoma, Clear Cell / Q000737:chemistry* / Q000401:mortality / Q000556:secondary; D000328:Adult; D014408:Biomarkers, Tumor / Q000032:analysis*; D001706:Biopsy; D018269:Carcinoma, Endometrioid / Q000737:chemistry* / Q000401:mortality / Q000556:secondary; D016009:Chi-Square Distribution; D019938:Cyclin D1 / Q000032:analysis*; D004714:Endometrial Hyperplasia / Q000378:metabolism* / Q000401:mortality / Q000473:pathology; D016889:Endometrial Neoplasms / Q000737:chemistry* / Q000401:mortality / Q000473:pathology; D004717:Endometrium / Q000737:chemistry* / Q000473:pathology; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D053208:Kaplan-Meier Estimate; D008875:Middle Aged; D015999:Multivariate Analysis; D018297:Neoplasms, Cystic, Mucinous, and Serous / Q000737:chemistry* / Q000401:mortality / Q000556:secondary; D011379:Prognosis; D016016:Proportional Hazards Models; D012307:Risk Factors; D013997:Time Factors; D015854:Up-Regulation
D014408:Biomarkers, Tumor; C530104:CCND1 protein, human; D019938:Cyclin D1