Evidence map›Paper›PMID 25859280›Full record

ArticleDiabetology & metabolic syndrome2015

IRS-1 gene polymorphism and DNA damage in pregnant women with diabetes or mild gestational hyperglycemia.

Rafael B Gelaleti, Débora C Damasceno, Daisy M F Salvadori, João Paulo C Marcondes, Paula H O Lima, Glilciane Morceli, Iracema M P Calderon, Marilza V C Rudge

Open access · goldAbstract read
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Article in Diabetology & metabolic syndrome, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.9field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

5 citing papers in PubMed, 10 citations in OpenAlex.

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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Rafael B GelaletiDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Débora C DamascenoDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Daisy M F SalvadoriDepartment of Pathology, Laboratory of Toxigenomics and Nutrigenomics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Botucatu, Brazil.
João Paulo C MarcondesDepartment of Pathology, Laboratory of Toxigenomics and Nutrigenomics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Botucatu, Brazil.
Paula H O LimaDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Glilciane MorceliDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Iracema M P CalderonDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Marilza V C RudgeDepartment of Gynecology and Obstetrics, Botucatu Medical School, Unesp_Univ Estadual Paulista, Laboratory of Experimental Research in Gynecology and Obstetrics, Distrito de Rubião Júnior s/n, CEP. 18618.000, Botucatu, São Paulo Brazil.
Universidade Estadual Paulista (Unesp) · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPregnant women with mild gestational hyperglycemia present a high risk for hypertension and obesity, and appear to reproduce the model of metabolic syndrome in pregnancy, including hyperinsulinemia and insulin resistance. Diabetic patients have a higher frequency of the IRS-1 Gly972Arg variant and this polymorphism is directly related to insulin resistance and subsequent hyperglycemia. In diabetes, hyperglycemia and other associated factors generate reactive oxygen species that increase DNA damage. The aims of this study were to evaluate the presence of the IRS-1 Arg972 polymorphism in pregnant women with diabetes or mild gestational hyperglycemia, and in their newborns. Additionally, we evaluated the level of primary DNA damage in lymphocytes of Brazilian pregnant women and the relationship between the amount of genetic damage and presence of the polymorphism.

methodsA based on the oral glucose tolerance test (OGTT) results and on glycemic profiles (GP), as follows: non-diabetic group, mild gestational hyperglycemia (MGH) and diabetic group. Eighty-five newborns were included in the study. Maternal peripheral blood samples and umbilical cord blood samples (5-10 mL) were collected for genotyping by PCR-RFLP and for comet assays.

resultsThe prevalence of genotype Gly/Arg in pregnant women groups was not statistically significant. In newborns, the frequency of Gly/Arg was significantly higher in the MGH and diabetic groups than in the non-diabetic group. Taken together, groups IIA and IIB (IIA + IIB; diabetes) presented lower amounts of DNA damage than the non-diabetic group (p = 0.064). No significant association was detected between genetic damage and the presence of the Arg972 genotype in pregnant women.

conclusionThe polymorphism was more prevalent in newborns of diabetic and MGH women. We believe that it is necessary to increase the number of subjects to be examined in order to better determine the biological role of the Arg972 polymorphism in these patients. Despite being classified as low-risk, pregnant women with mild gestational hyperglycemia characterize a population of maternal and perinatal adverse outcomes, and that, together with their newborns, require better monitoring by professionals and health services.

Indexed as

DiabetesDNA damageMild gestational hyperglycemiaNewbornPolymorphismPregnancy

Identifiers

PMID25859280
PMCPMC4391297
OpenAlexW2153258949

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.