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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Leilei Jia, Renbing Zhao, Junyang Fan, Jiayan Zhou, YiXiong Han, Bing Song, Xin Wu, Li Zhang, He Song, Huaidong Ge, Shengfang Fan, Xianqun |
| Copyright Year | 2014 |
| Abstract | Retinoblastoma is an aggressive eye cancer that develops during infancy and is divided into two clinical types, sporadic and heritable. RB1 has been identified as the only pathological gene responsible for heritable retinoblastoma. Here, we identified 11 RB1 germline mutations in the Han pedigrees of 17 bilateral retinoblastoma patients from China. Four mutations were nonsense mutations, five were splice site mutations, and two resulted in a frame shift due to an insertion or a deletion. Three of the mutations had not been previously reported, and the p.Q344L mutation occurred in two generations of retinoblastoma patients. We investigated phenotypic–genotypic relationships for the novel mutations and showed that these mutations affected the expression, location, and function of the retinoblastoma protein. Abnormal protein localization was observed after transfection of the mutant genes. In addition, changes in the cell cycle distribution and apoptosis rates were observed when the Saos-2 cell line was transfected with plasmids encoding the mutant RB1 genes. Our findings expand the spectrum of known RB1 mutations and will benefit the investigation of RB1 mutation hotspots. Genetic counseling can be offered to families with heritable RB1 mutations. |
| Starting Page | 2409 |
| Ending Page | 2420 |
| Page Count | 12 |
| File Format | |
| ISSN | 10104283 |
| Journal | Tumor Biology |
| Volume Number | 36 |
| Issue Number | 4 |
| e-ISSN | 14230380 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2014-11-27 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | Retinoblastoma RB1 Mutation Genetic counseling Cancer Research |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Cancer Research |
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