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Meformin and insulin treatment prevent placental telomere attrition in boys exposed to maternal diabetes

Garcia-Martin, I., Penketh, Richard, Janssen, A. B., Jones, R. E., Grimstead, Julia, Baird, Duncan and John, Rosalind 2018. Meformin and insulin treatment prevent placental telomere attrition in boys exposed to maternal diabetes. PLoS ONE 13 (12) , : e0208533. 10.1371/journal.pone.0208533

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Abstract

Shortened leukocyte and placental telomeres associated with gestational diabetes mellitus (GDM) suggest this exposure triggers telomere attrition contributing to adverse outcomes. We applied high resolution Single Telomere Length Analysis (STELA) to placenta from GDM pregnancies with different treatment pathways to determine their effectiveness at preventing telomere attrition. Differences in telomere length between control (N = 69), GDM lifestyle intervention (n = 14) and GDM treated with metformin and/or insulin (n = 17) was tested by Analysis of Covariance (ANCOVA) followed by group comparisons using Fisher’s least significant difference. For male placenta only, there were differences in mean telomere length (F(2,54) = 4.98, P = 0.01) and percentage of telomeres under 5 kb (F(2,54) = 4.65, P = 0.01). Telomeres were shorter in the GDM lifestyle intervention group compared to both controls (P = 0.02) and medically treated pregnancies (P = 0.003). There were more telomeres under 5 kb in the GDM lifestyle intervention group compared to the other two groups (P = 0.03 and P = 0.004). Although further work is necessary, we suggest that early adoption of targeted medical treatment of GDM pregnancies where the fetus is known to be male may be an effective strategy for ameliorating adverse outcomes for children.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Biosciences
Publisher: Public Library of Science
ISSN: 1932-6203
Date of First Compliant Deposit: 21 November 2018
Date of Acceptance: 20 November 2018
Last Modified: 30 Apr 2019 16:07
URI: http://orca.cf.ac.uk/id/eprint/117008

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