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- Title
Overexpression of KAI1 inhibits retinoblastoma metastasis in vitro.
- Authors
HUI YAN; XUNDA JI; JING LI; LEI ZHANG; PEIQUAN ZHAO
- Abstract
The present study aimed to investigate the expression of cluster of differentiation 82 (KAI1), a gene involved in the suppression of tumor metastasis, in human retinoblastoma (RB) tissue and to study the effect of KAI1 expression on RB cell migration and invasion. KAI1 expression was examined in 26 patients with non-invasive and invasive retinoblastoma using reverse transcription-quantitative polymerase chain reaction and western blot analysis. A lentiviral vector containing KAI1 cDNA was used to transfect the two RB cell lines, HXO-Rb44-Gl and Y79. Following successful transfection, the migratory and invasive capacity of the two RB cell lines was evaluated using a Transwell®migration assay. KAI1 expression was observed to be downregulated in invasive RB compared to non-invasive RB. The migratory and invasive capacities of KAI1 transfected cell lines were significantly decreased compared to those of the control cells. KAI1 may be involved in retinoblastoma metastasis, and increased expression of KAI1 significantly inhibits the metastatic ability of RB cells in vitro.
- Subjects
GENETIC overexpression; RETINOBLASTOMA; CANCER cell migration; GENE expression; IN vitro studies
- Publication
Oncology Letters, 2017, Vol 13, Issue 2, p827
- ISSN
1792-1074
- Publication type
Article
- DOI
10.3892/ol.2016.5507