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Correlation of the expression of telomerase RNA with risk factors for recurrence of sebaceous gland carcinoma

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Abstract

Aims

To investigate the expression of human telomerase gene RNA (hTR) and human telomerase reverse transcriptase (hTRT) in eyelid sebaceous gland carcinoma and to evaluate risk factors for sebaceous carcinoma recurrence.

Methods

The expression patterns of hTR and hTRT were detected by in situ hybridization (ISH) in paraffin-embedded samples of 55 eyelid sebaceous gland carcinoma, 12 chalazia, and four sebaceous adenoma. The proliferation index (PI) of sebaceous gland carcinoma was determined by Ki-67 immunolabeling and the results were compared with the expression of hTR and hTRT. Several factors for recurrence of sebaceous gland carcinoma were evaluated by statistical analysis.

Results

Expression of hTR and hTRT was present mainly in the sebaceous gland carcinoma tissues and not in adjacent tissues of carcinoma, chalazia, and sebaceous adenoma. The prevalence of hTR, hTRT, and Ki-67 expression in 55 sebaceous carcinoma samples were 84.45%, 58.1%, and 78.18%, respectively. hTR expression was highly associated with the degree of carcinoma differentiation (P<0.001) and hTRT expression was correlated with the proliferation index as determined by Ki-67 staining (P<0.005). There was a correlation between the recurrence of sebaceous gland carcinoma and the patient's onset age (OR=0.914, P<0.05), as well as the time to first treatment (OR=1.163, P<0.01).

Conclusions

Telomerase may play an important role in the carcinogenesis of sebaceous gland carcinoma, and expression of hTR and hTRT combined with other features of sebaceous gland carcinoma may be helpful for the diagnosis and evaluation of clinical prognosis. Risk factors for recurrence of sebaceous gland carcinoma are patients' onset age and the time to first treatment.

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Authors and Affiliations

  1. Beijing Institute of Ophthalmology, Beijing TongRen Eye Center, Capital University of Medical Science, Beijing, 100730, People's Republic of China

    Bin Li, Ningdong Li, Guangyin Cheng, Xianli Sun, Xiaolin Xu, Jitong Shi, Liaoqing Li & Changxi Chen

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  1. Bin Li
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  2. Ningdong Li
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  3. Guangyin Cheng
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  4. Xianli Sun
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  5. Xiaolin Xu
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  6. Jitong Shi
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  7. Liaoqing Li
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  8. Changxi Chen
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Correspondence to Bin Li.

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Li, B., Li, N., Cheng, G. et al. Correlation of the expression of telomerase RNA with risk factors for recurrence of sebaceous gland carcinoma. Graefe's Arch Clin Exp Ophthalmo 244, 480–484 (2006). https://doi.org/10.1007/s00417-005-0089-1

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  • DOI: https://doi.org/10.1007/s00417-005-0089-1

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