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CC BY-NC-ND 4.0 · Journal of Child Science 2018; 08(01): e7-e10
DOI: 10.1055/s-0038-1636930
Original Article
Georg Thieme Verlag KG Stuttgart · New York

Maternal Age at Delivery and Enzyme Polymorphisms in Children with Type 1 Diabetes Mellitus

Fulvia Gloria-Bottini
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
,
Anna Neri
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
,
Patrizia Saccucci
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
,
Maria Luisa Manca Bitti
2   Department of Medical Science, Pediatric Diabetes Unit, University of Rome Tor Vergata, Rome, Italy
,
Novella Rapini
2   Department of Medical Science, Pediatric Diabetes Unit, University of Rome Tor Vergata, Rome, Italy
,
Gabriele Renzetti
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
,
Andrea Magrini
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
,
Egidio Bottini
1   Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
› Author Affiliations
Further Information

Publication History

28 April 2017

11 January 2018

Publication Date:
05 March 2018 (online)

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Abstract

Fetal genetic adaptation to environment of aging women could result in positive selection of genes that during extrauterine life increases the risk of type 1 diabetes mellitus (T1DM). We have examined the distribution of three genetic polymorphisms (acid phosphatase locus 1 [ACP1], p53 codon 72, and PTPN22) involved in T1DM risk in relation to maternal age at delivery. p53 codon 72 was determined in 281 T1DM children, ACP1 in 207 children, and PTPN22 in 216 children. Controls (blood donors) were 351 for ACP1, 271 for PTPN22, and 730 for p53 codon 72. Genotypes were determined by DNA analysis. The proportions of the three genotypes associated with T1DM are much greater in T1DM children from older mothers than in those from young mothers and in controls. The data support the hypothesis that advanced maternal age favors a positive selection of genes more adapted to the uterine environment of older women: these genes predispose to T1DM during extrauterine life.

Keywords

ACP1 - maternal age - p53 codon 72 - PTPN22 - type 1 diabetes mellitus
 

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