The purpose of this study is to evaluate the impact of ALDH2 Glu504Lys polymorphism on aortic dissection.
Study Type
OBSERVATIONAL
Enrollment
400
Qilu Hospital of Shandong University
Jinan, Shandong, China
RECRUITINGNumber of patients with different ALDH2 genotype
DNA was extracted from venous blood;genomic DNA underwent PCR amplification; finally, PCR products were purified and directly sequenced by Invitrogen Corp or Biosune Corp.Then ALDH2 genotype was distinguished depend on a G-to-A missense mutation on exon 12 of ALDH2 gene.
Time frame: 1-30 days after samples collected
Concentration of inflammatory factors in blood and aortic specimen
Concentration of 4-HNE、MMP-2、MMP-9 detected by elisa kit、IHC or western blot in relevant specimen.
Time frame: 1-30 days after samples collected
ALDH2 activity
Activity of ALDH2 was detected in blood and aortic specimen depend on its reducibility of NAD+
Time frame: 1-30 days after samples collected
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