Global and single gene DNA methylation in umbilical cord blood cells after elective caesarean: a pilot study

被引：20

作者：

Franz, Maximilian B. ^{[1
]}

Poterauer, Mariella ^{[1
]}

Elhenicky, Marie ^{[1
]}

Stary, Susanne ^{[2
]}

Birner, Peter ^{[2
]}

Vinatzer, Ursula ^{[3
]}

Husslein, -Peter ^{[1
]}

Streubel, Berthold ^{[1
]}

Husslein, Heinrich ^{[1
]}

机构：

[1] Med Univ Vienna, Dept Obstet & Gynecol, A-1090 Vienna, Austria

[2] Med Univ Vienna, Clin Inst Pathol, A-1090 Vienna, Austria

[3] Med Univ Vienna, Dept Surg, A-1090 Vienna, Austria

来源：

EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY | 2014年 / 179卷

关键词：

Birth; DNA methylation; Cesarean section; Epigenetic modulation; CATECHOLAMINE SURGE; HEALTH IMPLICATIONS; PERINATAL FACTORS; CHILDHOOD; RISK; DELIVERY; SECTION; BIRTH; CHILDREN; LEUKEMIA;

D O I：

10.1016/j.ejogrb.2014.05.038

中图分类号：

R71 [妇产科学];

学科分类号：

100211 ;

摘要：

Objective: To evaluate global and single gene methylation patterns as a sign for epigenetic modulation of the immune system in infants born by elective cesarean section (CS) and vaginal delivery (VD). Study design: For this prospective pilot study a two step approach was chosen. Initially 41 newborn infants comprising 23 delivered by VD and 18 delivered by elective CS were included. Global DNA methylation of umbilical cord blood was determined. In a second step, methylation status of 96 single genes linked to T cell activation, cytokine production, inflammatory response, and stem cell transcription was evaluated in 48 newborn infants, 20 delivered by VD and 28 delivered by CS. Results: Global methylation did not differ significantly between CS and VD (p = 0.732). The methylation status was low (threshold: <= 3%) for the majority of single genes (n = 92) in both groups. FOXP3, CD7, ELA2, and IRF1 showed hypermethylation in both groups. In the CS group, ELA2 (p < 0.001) and IRF1(p = 0.017) showed significantly higher methylation compared to the VD group. Conclusion: We found no difference in global methylation between newborn infants in the VD group compared to the elective CS group. Methylation of single genes was significantly higher in newborn infants delivered by elective CS. Further research is needed to determine the significance of theses findings. (C) 2014 Elsevier Ireland Ltd. All rights reserved.

引用

页码：121 / 124

页数：4

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