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Relationship between leukocyte differentiation antigen 40 ligand G gene polymorphism and the correlation and prognosis of cirrhosis after chronic hepatitis B in the elderly |
FAN Baihua1 LU Xiaoyi2▲ |
1.Cadre Ward, NO.904 Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army, Jiangsu Province, Wuxi 2140002, China; 2.Department of Gastroenterology, the Eastern District of Suzhou Municipal Hospital, Jiangsu Province, Suzhou 215000, China |
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Abstract Objective To investigate the relationship between the G gene polymorphism of leukocyte differentiation antigen 40 ligand (CD40L) and the prognosis of cirrhosis after chronic hepatitis B in the elderly. Methods A total of 82 elderly patients with liver cirrhosis after chronic hepatitis B who were admitted to NO.904 Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army (“our hospital” for short) from May 2016 to March 2019 were selected as the study group, and 80 healthy people who underwent physical examination in our hospital during the same period were selected as the control group. Peripheral venous blood was collected and blood genomic DNA was extracted, the CD40L gene polymorphism was determined, and its genotype distribution was determined. Results The CD40L genotypes of the two groups conformed to Hardy-Weinberg equilibrium law. The G allele frequency of the study group was higher than that of the control group (P < 0.05). The logistic regression model analysis showed that the relative risk of poor prognosis in elderly patients with CG and GG genotypes after chronic hepatitis B was 1.809 times and 2.264 times that of the CC genotype (P < 0.05) . At the end of the one year follow-up, the survival rate of elderly patients with CD40L G gene with liver cirrhosis after chronic hepatitis B was 62.90%. The survival rate of CD40L non-G gene cirrhosis after chronic hepatitis B was 85.00%. There was a statistically significant difference in the mortality curve of CD40L G gene and non-G gene patients (χ2 = 6.138,P < 0.05). Conclusion The frequency of the G allele in elderly patients with post-chronic hepatitis B liver cirrhosis is higher than that in healthy people. The CD40L gene polymorphism is related to the prognosis of death in patients with chronic hepatitis B after cirrhosis. The GG and CG genotypes can increase the risk of death.
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