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Prenatal iron exposure and childhood type 1 diabetes

Overview of attention for article published in Scientific Reports, June 2018
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Title
Prenatal iron exposure and childhood type 1 diabetes
Published in
Scientific Reports, June 2018
DOI 10.1038/s41598-018-27391-4
Pubmed ID
Authors

Ketil Størdal, Harry J. McArdle, Helen Hayes, German Tapia, Marte K. Viken, Nicolai A. Lund-Blix, Margaretha Haugen, Geir Joner, Torild Skrivarhaug, Karl Mårild, Pål R. Njølstad, Merete Eggesbø, Siddhartha Mandal, Christian M. Page, Stephanie J. London, Benedicte A. Lie, Lars C. Stene

Abstract

Iron overload due to environmental or genetic causes have been associated diabetes. We hypothesized that prenatal iron exposure is associated with higher risk of childhood type 1 diabetes. In the Norwegian Mother and Child cohort study (n = 94,209 pregnancies, n = 373 developed type 1 diabetes) the incidence of type 1 diabetes was higher in children exposed to maternal iron supplementation than unexposed (36.8/100,000/year compared to 28.6/100,000/year, adjusted hazard ratio 1.33, 95%CI: 1.06-1.67). Cord plasma biomarkers of high iron status were non-significantly associated with higher risk of type 1 diabetes (ferritin OR = 1.05 [95%CI: 0.99-1.13] per 50 mg/L increase; soluble transferrin receptor: OR = 0.91 [95%CI: 0.81-1.01] per 0.5 mg/L increase). Maternal but not fetal HFE genotypes causing high/intermediate iron stores were associated with offspring diabetes (odds ratio: 1.45, 95%CI: 1.04, 2.02). Maternal anaemia or non-iron dietary supplements did not significantly predict type 1 diabetes. Perinatal iron exposures were not associated with cord blood DNA genome-wide methylation, but fetal HFE genotype was associated with differential fetal methylation near HFE. Maternal cytokines in mid-pregnancy of the pro-inflammatory M1 pathway differed by maternal iron supplements and HFE genotype. Our results suggest that exposure to iron during pregnancy may be a risk factor for type 1 diabetes in the offspring.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 57 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 57 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 16%
Student > Bachelor 7 12%
Researcher 6 11%
Student > Postgraduate 5 9%
Student > Ph. D. Student 5 9%
Other 7 12%
Unknown 18 32%
Readers by discipline Count As %
Medicine and Dentistry 13 23%
Nursing and Health Professions 11 19%
Biochemistry, Genetics and Molecular Biology 3 5%
Environmental Science 2 4%
Agricultural and Biological Sciences 2 4%
Other 5 9%
Unknown 21 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 26 November 2023.
All research outputs
#19,527,172
of 24,875,365 outputs
Outputs from Scientific Reports
#97,324
of 136,239 outputs
Outputs of similar age
#244,847
of 334,429 outputs
Outputs of similar age from Scientific Reports
#2,523
of 3,584 outputs
Altmetric has tracked 24,875,365 research outputs across all sources so far. This one is in the 18th percentile – i.e., 18% of other outputs scored the same or lower than it.
So far Altmetric has tracked 136,239 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 18.7. This one is in the 23rd percentile – i.e., 23% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 334,429 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 3,584 others from the same source and published within six weeks on either side of this one. This one is in the 24th percentile – i.e., 24% of its contemporaries scored the same or lower than it.