Abstract
To investigate the relationships between caspase-8 (CASP8), fatty acid synthetase (Fas) gene polymorphisms and prognosis of non-Hodgkin's lymphoma patients in Han nationality. The clinical data of 85 patients with non-Hodgkin's lymphoma were analyzed retrospectively. The polymorphisms of CASP8 and Fas gene were detected, and prognosis of the patients were analyzed. The polymorphisms of CASP8 and Fas gene in patients with different prognosis were compared, and the relationships between gene polymorphisms and the poor prognosis of the patients were investigated. The incidence rate of poor prognosis of the patients enrolled in the study was 65.88%. The polymorphisms of CASP8 and Fas genes in the patients with poor or good prognosis were in accordance with Hardy Weinberg's law of genetic balance. The frequencies of GG genotype and G allele at rs 1035142 of CASP8 gene, GA genotype and A allele at rs 1377 of Fas gene in patients with poor prognosis were lower than those of the patients with good prognosis (P<0.05). The frequencies of GT, TT and T alleles at rs 1035142 of CASP8 gene, GG and G alleles at rs 1377 of Fas gene in patients with poor prognosis were higher than those of the patients with good prognosis (P<0.05). The proportions of Ann Arbor stage III-IV and high malignancy in patients with poor prognosis were higher than those of the patients with good prognosis (P<0.05). Logistic multiple regression analysis showed that Ann Arbor stage III-IV, moderate malignant, high malignancy, CASP8 rs 1035142 GT genotype, CASP8 rs 1035142 TT genotype and Fas rs 1377 GG genotype were all the risk factors for the poor prognosis of the patients (P<0.05). The poor prognosis rate of non-Hodgkin's lymphoma patients in Han nationality is relatively high, and the risk factors for the prognosis of the patients include Ann Arbor stage III-IV, moderate and high malignancy, CASP8 rs 1035142 GT genotype, CASP8 rs 1035142 TT genotype and Fas rs 1377 GG genotype.
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