No association between Id2 gene methylation and tetralogy of Fallot: a case-control study in China children
2018
Yan, Liru | Zhang, Xuna | Guo, Yujie | Li, Yuanyuan | Liu, Zonghong
The aim of this case-control study was to investigate the correlation between the methylation levels of inhibitor of DNA binding 2 (Id2) gene and the incidence of tetralogy of Fallot (TOF) in children. The study included 31 TOF and 32 healthy control children. The methylation status of the Id2 gene was determined with time-of-flight mass spectrometry. Peripheral blood indices were detected, and their correlations with Id2 gene methylation were analyzed. Methylation analysis showed that there was no significant difference in the Id2 gene methylation level between the control and TOF groups (P > 0.05). After controlling the factors of gender, age, height and body weight, the analysis showed that there was no correlation between the methylation levels at each Id2 site and the red blood cells (RBC), hemoglobin (HGB) or hematocrit (HCT) (P > 0.05). However, the methylation levels at the CpG-16 and CpG-18.19 sites of the Id2 gene were negatively correlated with the mean corpuscular hemoglobin (MCH) (r = −0.337, P = 0.009; r = −0.392, P = 0.002) and mean corpuscular hemoglobin concentration (MCHC) (r = −0.363, P = 0.005; r = −0.286, P = 0.028), respectively. Our results suggest that the Id2 methylation might not be associated with the incidence of TOF. These results might contribute to the understanding of the etiology and mechanism of TOF in clinic.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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