ArticlePathology, research and practice2024
ALYREF/THOC4 expression and cell growth modulation in retinoblastoma.
Article in Pathology, research and practice, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Comprehensive analysis of ALYREF gene expression and its correlation with immunotherapy efficacy and circulating tumor cells in bladder cancer.Scientific reports · 2025Article
- Update on Retinoblastoma Therapies.Medicina (Kaunas, Lithuania) · 2025Review
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Authors and funding
9 authors.
Funding
Abstract
In this study, we tested the hypothesis that ALYREF/THOC4, a poor prognostic factor in different cancer types, has potential as a drug target and prognostic biomarker for retinoblastoma (RB). Immunostaining (IHC), Western blot, and RT-qPCR analyses detected overexpression of ALYREF in the RB cell lines Y79, RB143, WERI-RB1, and RB116. IHC analysis on RB tumor array showed that 11/14 of RB tumors were ALYREF+ to varying degrees, with eight tumors at maximum 3+ intensity. The IHC analysis also detected ALYREF+ cells in normal retina, mainly in the inner nuclear and ganglion cell layer, while some tumor-bearing human eyes were ALYREF+ in the optic nerve suggesting a role in optic invasion/tumor invasion. The expression of ALYREF within the tumor itself, in the optic nerve, as well as in adjacent "normal" retina, suggest that this pattern of expression may lead to ALYREF being a potentially useful prognostic indicator for RB, as it is for other tumors. siRNA knockdown of ALYREF resulted in a 40 % decrease in cell growth in both WERI-RB1 and Y79 cells (p<0.05) and this was associated with decreased expression of mRNAs for the cell proliferation markers Ki67 and PCNA (p<0.005). These results suggest a role for ALYREF in RB cell growth regulation and its potential as both a target and a biomarker for tumor growth inhibition by anti-cancer therapies.
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