Repository of Research and Investigative Information

Repository of Research and Investigative Information

Baqiyatallah University of Medical Sciences

Prognostic Investigations of Expression Level of Two Genes FasL and Ki-67 as Independent Prognostic Markers of Human Retinoblastoma

(2017) Prognostic Investigations of Expression Level of Two Genes FasL and Ki-67 as Independent Prognostic Markers of Human Retinoblastoma. Oncology Research. pp. 471-478. ISSN 0965-0407

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Abstract

In this study, expression of FasL and Ki-67 messenger RNA (FasL and Ki-67 mRNA) in human retinoblastoma (HRB) was examined by the immunohistochemistry method and quantitative real-time PCR. Positive expression of Ki-67 in tumor cells was detected in 16 of 30 patients (53.33), and only 9 (30) of the tissues from patients with retinoblastoma showed positive staining for FasL. Our results revealed that FasL expression was significantly higher in tumor tissue with invasion compared with the noninvasion form (p=0.033). Ki-67 expression was markedly increased in tumor tissues with invasion compared with the noninvasion group (p=0.04),but no significant correlation was found between FasL expression and differentiation (p>0.05). In addition, Ki-67 expression was strongly linked to differentiation (p<0.002). Expression of these FasL was correlated with shorter overall survival of patients, but its expression was not significantly associated with overall survival (p=0.15). The impact of Ki-67 expression on survival in patients was also evaluated. Ki-67 expression level was not found to be significantly associated with shorter survival (Kaplan-Meier; p=0.09). Univariate analysis revealed that massive choroidal invasion was correlated with poor prognosis. Taken together, the data suggest that massive choroidal invasion is also an important indicator of poor prognosis for HRB.

Item Type: Article
Keywords: Retinoblastoma (RB) Ki-67 and FasL Analysis Expression Molecular cell lung-cancer breast-cancer tumor-cells ligand apoptosis resistance system mice Oncology
Divisions:
Page Range: pp. 471-478
Journal or Publication Title: Oncology Research
Journal Index: ISI
Volume: 25
Number: 4
Identification Number: https://doi.org/10.3727/096504016x14721217330657
ISSN: 0965-0407
Depositing User: مهندس مهدی شریفی
URI: http://eprints.bmsu.ac.ir/id/eprint/4706

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