TP53 mutations are infrequent in newly diagnosed chronic lymphocytic leukimia
TP53 mutations in the absence of 17p-deletion correlate with rapid disease progression and poor survival in chronic lymphocytic leukemia (CLL). Herein, we determined the TP53 mutation frequency in 268 newly diagnosed CLL patients from a population-based material. Overall, we detected TP53 mutations...
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| Main Authors: | , , , , , , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
Pergamon
2011
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| 主題: | |
| 在線閱讀: | http://irep.iium.edu.my/4434/1/p53_CLL.pdf http://irep.iium.edu.my/4434/ http://www.sciencedirect.com/science/article/pii/S0145212610004285 |
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| 總結: | TP53 mutations in the absence of 17p-deletion correlate with rapid disease progression and poor survival in chronic lymphocytic leukemia (CLL). Herein, we determined the TP53 mutation frequency in 268 newly diagnosed CLL patients from a population-based material. Overall, we detected TP53 mutations in 3.7% of patients (n = 10), where 7/10 cases showed a concomitant 17p-deletion, confirming the high prevalence of TP53 mutation in 17p-deleted patients. Only 3 (1.1%) of the newly diagnosed patients in our cohort
thereby carried TP53 mutations without 17p-deletion, a frequency that is much lower than previous reports on referral cohorts (3–6%). Our findings imply that TP53 mutations are rare at CLL onset and instead may arise during disease progression. |
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