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Elevated levels of dehydroepiandrosterone as a potential mechanism of dendritic cell impairment during pregnancy

Overview of attention for article published in BMC Immunology, January 2015
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Title
Elevated levels of dehydroepiandrosterone as a potential mechanism of dendritic cell impairment during pregnancy
Published in
BMC Immunology, January 2015
DOI 10.1186/s12865-014-0065-9
Pubmed ID
Authors

Elena R Chernykh, Olga Yu Leplina, Marina A Tikhonova, Nataliya V Seledtsova, Tamara V Tyrinova, Nataliya A Khonina, Alexandr A Ostanin, Nataliya M Pasman

Abstract

BackgroundThis study aimed to test the hypothesis that immune dysfunction and the increased risk of spontaneous abortion in pregnant women with hyperandrogenia (HA) are caused by the reduced tolerogenic potential of dendritic cells (DCs) that results from elevated levels of dehydroepiandrosterone sulfate (DHEAS).MethodsThe phenotypic and functional properties of monocyte-derived DCs generated from blood monocytes from non-pregnant women, women with a normal pregnancy, or pregnant women with HA, as well as the in vitro effects of DHEAS on DCs in healthy pregnant women were investigated.ResultsIn a normal pregnancy, DCs were shown to be immature and are characterized by a reduced number of CD83+ and CD25+ DCs, the ability to stimulate type 2 T cell responses and to induce T cell apoptosis. By contrast, DCs from pregnant women with HA had a mature phenotype, were able to stimulate both type 1 (IFN-¿) and type 2 (IL-4) T cell responses, and were characterized by lower B7-H1 expression and cytotoxic activity against CD8+ T cells. The addition of DHEAS to cultures of DCs from healthy pregnant women induced the maturation of DCs and increased their ability to activate type 1 T cell responses.ConclusionOur data demonstrated the reduction in the tolerogenic potential of DCs from pregnant women with HA, and revealed new mechanisms involved in the hormonal regulation of DCs mediated by DHEAS.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 1 6%
Unknown 17 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 17%
Student > Master 3 17%
Other 2 11%
Student > Ph. D. Student 2 11%
Student > Bachelor 1 6%
Other 3 17%
Unknown 4 22%
Readers by discipline Count As %
Medicine and Dentistry 7 39%
Immunology and Microbiology 2 11%
Agricultural and Biological Sciences 2 11%
Unspecified 1 6%
Earth and Planetary Sciences 1 6%
Other 1 6%
Unknown 4 22%
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 01 February 2015.
All research outputs
#15,318,515
of 22,783,848 outputs
Outputs from BMC Immunology
#321
of 585 outputs
Outputs of similar age
#210,202
of 353,087 outputs
Outputs of similar age from BMC Immunology
#6
of 10 outputs
Altmetric has tracked 22,783,848 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 585 research outputs from this source. They receive a mean Attention Score of 3.7. This one is in the 35th percentile – i.e., 35% 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 353,087 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 10 others from the same source and published within six weeks on either side of this one. This one has scored higher than 4 of them.