4.6 Article

Cluster of Differentiation 24 Polymorphism Has No Significant Association with Chronic Hepatitis B Virus Infection in the Chinese Han Population: A Family-Based Association Study

Journal

INFECTION AND DRUG RESISTANCE
Volume 15, Issue -, Pages 4837-4843

Publisher

DOVE MEDICAL PRESS LTD
DOI: 10.2147/IDR.S368392

Keywords

cluster of differentiation 24; CD24; viral hepatitis; polymorphism; single nucleotide

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This study found no significant association between the CD24 gene's SNP P170 and susceptibility to chronic hepatitis B (CHB) in Chinese patients.
Objective: Studies have shown that cluster of differentiation (CD) 24 gene polymorphism is associated with several diseases. Among these, chronic hepatitis B (CHB) infection has not been investigated. This study aimed to assess the function of CD24 in CHB. Methods: The study included 478 cases of CHB and 318 cases without CHB from 230 families that underwent genotyping. Polymerase chain reaction-restriction fragment length polymorphism was performed to assess the single nucleotide polymorphism (SNP) P170 of the CD24 gene. The detected genotypes were TT, CT, and CC. Then, family based-association analysis was carried out to investigate the association between CD24 gene polymorphism and susceptibility to CHB. Results: In the 478 patients with CHB, the frequencies of CD24 P170 T and C alleles were 35.5% and 64.5%, respectively, and the frequencies of CD24 P170 CC, CT, and TT genotypes were 39.3%, 50.4% and 10.3%, respectively. In a CD24 single-locus analysis by a family-based association test of P170 polymorphisms, T and C were not significantly associated with CHB in the additive (Z = 0.169, P= 0.866; Z = -0.169, P= 0.866, respectively), dominant (Z = 0.522, P= 0.602; Z = 0.428, P= 0.669, respectively), or recessive (Z = -0.428, P= 0.669; Z = -0.522, P= 0.602, respectively) models. Transmission-disequilibrium (TD) and sib-transmission disequilibrium (STD) tests revealed no excess of T or C alleles from heterozygous parents to their children with the disease or higher frequencies of these alleles in patients compared with their normal siblings (chi(2 )= 0.06, P = 0.897). Conclusion: The study findings suggest that the SNP P170 of CD24 has no significant association with susceptibility to the HB virus and related phenotypes in Chinese patients.

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