Abstract:
:In acute myeloid leukemia (AML), cytogenetics predicts treatment outcome for the favorable and poor subgroups but not for the intermediate subgroup. Polymorphisms within the nucleotide excision repair (NER) pathway may lead to interindividual differences in DNA repair capacity, influencing outcome. We studied the role of six polymorphisms (ERCC1 Gln504Lys, XPD Lys751Gln, XPC Ala499Val, XPC Lys939Gln, XPG Asp1104His, and CCNH Val270Ala) in overall and disease-free survival among 170 adult de novo patients with intermediate cytogenetics (diploid [n = 117]; non-diploid [n = 53]), treated with induction chemotherapy. Kaplan-Meier and Cox proportional hazards models were performed. Diploid patients with the XPD AC/CC genotype survived shorter than those with the wild-type genotype (median survival 22 vs. 40 months, p = 0.03). Diploid patients with XPC CT/TT genotype survived shorter than those with the wild-type genotype (median survival 15 vs. 30 months, p = 0.02). After adjusting for clinical and sociodemographic variables, patients carrying both XPD AC/CC and XPC CT/TT had a greater than two-fold increased risk of dying, compared to those with the wild-type genotypes (HR = 2.49; 95% CI: 1.06-5.85). No associations were observed for disease-free survival. This combined genotype may modulate treatment effect, decreasing overall survival. These findings could in the future help select treatments for patients with normal cytogenetics.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Strom SS,Estey E,Outschoorn UM,Garcia-Manero Gdoi
10.3109/10428190903582804subject
Has Abstractpub_date
2010-04-01 00:00:00pages
598-605issue
4eissn
1042-8194issn
1029-2403journal_volume
51pub_type
杂志文章abstract::Patients with chemotherapy-refractory non-Hodgkin lymphoma (NHL) have a poor prognosis with a median overall survival (OS) of only 10 months. To investigate the role of radiotherapy (RT) in such patients, we conducted a retrospective review of 17 patients with biopsy-proven refractory NHL who received hyperfractionate...
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::The role of cyclic AMP (cAMP) as second messenger in erythropoiesis has been suggested in the early 1980s. However, careful analysis showed that cAMP is not generated in direct response to the main erythropoiesis-controlling cytokines such as erythropoietin (Epo). As a result, cAMP disappeared from the central stage i...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Cytogenetic deletions on the short arm of chromosome 12 are common, recurring alterations found in a wide range of hematological neoplasias, including childhood acute lymphoblastic leukemia (ALL), the most frequent pediatric malignancy. This loss of genetic material suggests the presence of a tumor suppressor gene pla...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Loss of cylindromatosis gene (CYLD) expression has been observed in various cancers, including chronic lymphocytic leukemia (CLL). As a deubiquitination enzyme, CYLD regulates the proliferation, development and activation of lymphoid cells. Here we determined the CYLD mRNA expression by quantitative polymerase chain r...
journal_title:Leukemia & lymphoma
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