Abstract
Background: Genetic analysis has a beneficial impact on retinoblastoma management enabling definite risk assessment. However, information regarding genotype-phenotype correlation in retinoblastoma is limited. Aim: To analyze the retinoblastoma susceptibility gene for mutations in retinoblastoma patients and correlate the genotypes the phenotypes. Methodology: Eleven retinoblastoma patients, who underwent molecular genetic studies were classified into high, moderate or low disease severity groups based on phenotype. Results: Seven patients had high disease severity and four moderate disease severity. Eleven truncating mutations were detected; six were in the N-terminus region of the retinoblastoma protein and two in the A/B pocket (p=0.03). Conclusions: No significant association between mutation type and disease severity could be established in the present study. However a positive correlation between location of the mutations in certain domains of the retinoblastoma protein and disease severity was observed. To the best of our knowledge this is the first genotype-phenotype correlation study in retinoblastoma patients from India.
Original language | English |
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Pages (from-to) | 619-622 |
Number of pages | 4 |
Journal | Asian Pacific Journal of Cancer Prevention |
Volume | 7 |
Issue number | 4 |
Publication status | Published - 2006 |
Keywords
- Genotype
- Phenotype
- RB1 mutations
- Retinoblastoma
ASJC Scopus subject areas
- Epidemiology
- Oncology
- Public Health, Environmental and Occupational Health
- Cancer Research