期刊
BIOMOLECULES AND BIOMEDICINE
卷 23, 期 2, 页码 271-276出版社
ASSOC BASIC MEDICAL SCI FEDERATION BOSNIA & HERZEGOVINA SARAJEVO
DOI: 10.17305/bjbms.2021.5891
关键词
Genetic polymorphism; esophagus cancer; vascular endothelial growth factor (VEGF); angiogenesis; rs35569394; chemotherapy
The study investigated the association between a single-nucleotide polymorphism and the risk of esophageal cancer in the Han Chinese population. The results showed that the VEGF rs35569394 was significantly associated with the risk of esophageal cancer, especially in females, and also had an impact on chemotherapy response.
The objective of this study was to investigate the possible association between the single-nucleotide polymorphism, rs35569394, of the vascular endothelial growth factor (VEGF) gene and the risk of esophageal cancer (EC) in the Han Chinese population. A total of 290 EC subjects and 322 ethnically matched unrelated healthy controls free from the esophageal disease were studied. Genomic DNA was isolated from peripheral blood by salting out. Genotyping of VEGF rs35569394 polymorphism was carried out through polymerase chain reaction followed by agarose gel electrophoresis. The results showed that the distribution of genotypes was significantly different across the gender groups (p = 0.032) and clinical stages of the esophageal cancer (p = 0.034). VEGF rs35569394 was associated with EC risk (p = 0.012, OR =1.34). A gender analysis breakdown showed that rs35569394-D allele frequency was significantly higher in females than in the controls (p = 0.0004, OR =1.81). Moreover, significant associations were also found in females under the dominant model (II vs. ID+DD: chi 2 = 8.18, p = 0.003, OR = 2.12) and the recessive model (II+ID vs. DD: chi 2 = 8.25, p = 0.004, OR = 2.39). In addition, we found that the genotype, rs35569394-DD, was associated with a complete response and partial response to chemotherapy when compared with rs35569394-II (chi 2 = 4.67, p = 0.030, OR = 0.47). In conclusion, our case-control study showed that the VEGF rs35569394 was significantly associated with the clinical stages and the increased risk of EC in Han Chinese females. In addition, the genotype rs35569394-DD showed a better response to chemotherapy.
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