Association of cdkn2a/cdkn2b gene polymorphisms with increased susceptibility to intracranial aneurysm in a chinese han population

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Abstract

Objective: Several studies have reported that single-nucleotide polymorphisms (SNPs) of the CDKN2A/CDKN2B gene on chromosome 9p21.3 are associated with increased risk of intracranial aneurysm (IA). However, the association between IAs and SNPs of CDKN2A/ CDKN2B in Chinese Han people is yet to be evaluated. This study examined the association of the SNPs rs10811661 and rs4977574 with IA in the Chinese Han population. Methods: A total of 595 IA patients and 600 sex-and age-matched controls were enrolled in the study. Peripheral blood was collected and stored at –80°C until use. CDKN2A/CDKN2B was identified using polymerase chain reaction–ligase detection reaction. SNP genotyping was performed for rs10811661 and rs4977574 using a MassArray system. Associations between these two SNPs and IAs was tested with χ2 or Fisher’s exact tests and multivariate logistic regression. Results: rs10811661 and rs4977574 were significantly associated with IA. The frequency of rs10811661-T in IA was higher than in controls (OR 1.26, 95% CI 1.07–1.49; P<0.01). There was no significant difference in frequency of haplotype between control subjects and IA patients. Conclusion: rs10811661 and rs4977574 on 9p21.3 were strongly associated with genetic susceptibility to IA in the Chinese Han population, which emphasizes a need for further investigation.

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Cui, X., Xin, W. Q., Wang, B., Zhao, Y., Hou, C., Cai, S., … Yang, X. (2021). Association of cdkn2a/cdkn2b gene polymorphisms with increased susceptibility to intracranial aneurysm in a chinese han population. Neuropsychiatric Disease and Treatment, 17, 1443–1449. https://doi.org/10.2147/NDT.S306542

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