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Published on: October 11, 2018
[LNK Gene Single Nucleotide Polymorphisms and Acute Leukemia Susceptibility]
Liu-Song Wu1, Chun-Sheng Han2, Mei Tan1
1The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical College, Zunyi 563003, Guizhou Province, China.
The LNK gene Rs3184504 C allele is associated with an increased risk of acute leukemia (AL) in the Chinese population. This finding highlights a potential genetic marker for acute leukemia susceptibility.
Area of Science:
- Genetics
- Oncology
- Molecular Biology
Background:
- Acute leukemia (AL) is a significant health concern.
- Genetic factors play a role in AL development.
- The LNK (SH2B3) gene is implicated in hematopoiesis and immune response.
Purpose of the Study:
- To investigate the association between LNK gene single nucleotide polymorphisms (SNPs) and acute leukemia risk.
- To analyze specific SNPs (Rs3184504 and Rs78894077) in the Chinese population.
Main Methods:
- Genotyping of LNK SNPs Rs3184504 and Rs78894077 using PCR-RFLP, gel electrophoresis, and sequencing.
- Analysis of samples from 31 acute lymphoblastic leukemia, 70 acute myeloid leukemia patients, and 130 healthy controls.
- Detection of polymorphisms in leukemia cell lines (NB4, THP-1, Raji).
Main Results:
- The CC genotype frequency of Rs3184504 was significantly higher in AL patients (both ALL and AML) compared to controls (P<0.01).
- The LNK gene Rs3184504 C allele frequency was elevated in AL patients versus controls (P<0.01).
- No significant difference in genotype distribution was observed for LNK gene Rs78894077 between AL patients and controls (P>0.05).
Conclusions:
- Carriage of the C allele of the LNK gene Rs3184504 increases susceptibility to acute leukemia.
- Rs3184504 SNP may serve as a genetic marker for acute leukemia risk assessment.
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