Ping Wang, Mei Guo, Bing Wang, et al. XRCC1 gene DNA methylation on predicting the efficacy of oxaliplatin-based chemotherapy in patients with gastric cancer. [J]. Journal of Shanxi Agricultural Sciences 47(5):563-567(2022)
DOI:
Ping Wang, Mei Guo, Bing Wang, et al. XRCC1 gene DNA methylation on predicting the efficacy of oxaliplatin-based chemotherapy in patients with gastric cancer. [J]. Journal of Shanxi Agricultural Sciences 47(5):563-567(2022) DOI: 10.13406/j.cnki.cyxb.003029.
XRCC1 gene DNA methylation on predicting the efficacy of oxaliplatin-based chemotherapy in patients with gastric cancer
gene DNA methylation in predicting the efficacy of oxaliplatin-based adjuvant chemotherapy in patients with gastric cancer.
Methods
:
2
A total of 116 patients with gastric cancer received at least 6 cycles of combination chemotherapy of oxaliplatin and fluorouracil. Bisulfite sequencing was used to analyze the methylation of
XRCC1
gene in gastric cancer surgical specimens
and the correlation with the efficacy of chemotherapy in patients with gastric cancer were also analyzed.
Results
:
2
There was no statistically significant difference in the average methylation rates of
XRCC1
gene among gastric cancer patients with different gender
age
lymph node metastasis
tumor diameters
differentiation
and whether they received adjuvant chemotherapy (
P
>
0.05) . The average survival time of gastric cancer patients receiving chemotherapy and not receiving chemotherapy were (42.82±3.57) months and (25.68±4.90) months
respectively. The survival time of gastric cancer patients receiving chemotherapy was longer (
χ
2
=7.208
P
=0.007) . The average methylation rate of chemotherapy effective group was 51.60%
and that of chemotherapy ineffective group was 38.31%
with significant differences between the two groups (
P
<
0.05) .
Conclusion
:
2
The DNA methylation rate of
XRCC1
gene is positively correlated with the sensitivity of oxaliplatin
which is a potential molecular marker to predict the efficacy and prognosis of chemotherapy in patients with gastric cancer.
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