Retinoblastoma

Identification of hub genes and pathways associated with retinoblastoma based on co-expression network analysis

Q. L. Wang, Chen, X., Zhang, M. H., Shen, Q. H., and Qin, Z. M., Identification of hub genes and pathways associated with retinoblastoma based on co-expression network analysis, vol. 14, pp. 16151-16161, 2015.

The objective of this paper was to identify hub genes and pathways associated with retinoblastoma using centrality analysis of the co-expression network and pathway-enrichment analysis. The co-expression network of retinoblastoma was constructed by weighted gene co-expression network analysis (WGCNA) based on differentially expressed (DE) genes, and clusters were obtained through the molecular complex detection (MCODE) algorithm. Degree centrality analysis of the co-expression network was performed to explore hub genes present in retinoblastoma.

New cytogenetic aberrations found in a case of aggressive retinoblastoma

J. E. X. S. Barros, Soares-Ventura, E. M., Santos, N., Amaral, B. A. S., Oliveira, F. M., Cruz, R. S. Vera, Morais, V. L. L., Marques-Salles, T. J., and Muniz, M. T. C., New cytogenetic aberrations found in a case of aggressive retinoblastoma, vol. 11. pp. 1666-1670, 2012.

We describe a case of retinoblastoma with an atypical presentation and previously unreported cytogenetic aberrations. A 19-month-old girl with left intraocular retinoblastoma was treated with enucleation and chemotherapy. The disease showed aggressive evolution within a short period between diagnosis and relapse. Eight months after diagnosis, a new large tumor was present in the orbit of the right eye, with diffuse bone pain, pancytopenia and diffuse infiltration into the bone marrow and the central nervous system. The child did not respond to treatment and died.

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