Abstract
The bone marrow and peripheral blood samples from 31 cases of acute lymphoblastic leukemia, 70 cases of acute myeloid leukemia and 130 healthy persons as the controls were collected. Genotype of LNK SNP Rs3184504(c.784T>C) and Rs78894077(c.724C>T) were determined by PCR-RFLP, and were confirmed by gel electrophoresis and sequencing. The NB4, THP-1 and Raji leukemia cell line models were cultured, the leukemia cell line LNK Rs3184504 and Rs78894077 polymorphism were detected by using direct sequencing. The CC genotype frequencies of Rs3184504 SNP were higher in ALL and AML patients than those in control (P<0.01), but there was no different between the groups in AML and ALL. The frequency of LNK gene Rs3184504 C allele was higher in AL as compared with control (P<0.01). The LNK gene Rs78894077 locus genotype distribution was not significantly different between the AL and the normal control group (P>0.05). Both Rs3184504 and Rs78894077 sites were detected as CC genotype in NB4, THP-1 and Raji cells. The persons carrying C allele of LNK gene Rs3184504 are more prone to develop acute leukemia.
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