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A pilot investigation on DNA methylation modifications associated with complex posttraumatic symptoms in elderly traumatized in childhood

Overview of attention for article published in BMC Research Notes, December 2017
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Title
A pilot investigation on DNA methylation modifications associated with complex posttraumatic symptoms in elderly traumatized in childhood
Published in
BMC Research Notes, December 2017
DOI 10.1186/s13104-017-3082-y
Pubmed ID
Authors

Zoya Marinova, Andreas Maercker, Edna Grünblatt, Tomasz K. Wojdacz, Susanne Walitza

Abstract

Complex posttraumatic stress disorder (CPTSD) is a newly proposed diagnosis in the International Classification of Diseases-version 11, which is currently intensively investigated. Childhood trauma is regarded as main source of CPTSD symptoms, even in later life. Induction of DNA methylation changes by childhood trauma may contribute to its long-lasting adverse health consequences. The current study analyzed the correlation of genome-wide DNA methylation profiles with complex posttraumatic sequelae in buccal epithelial cells from 31 elderly former indentured child laborers (Verdingkinder) using the Infinium Illumina 450k Human DNA methylation chip. DNA methylation modifications indicated experiment-wide significant associations with the following complex posttraumatic symptom domains: dissociation, tension reduction behavior and dysfunctional sexual behavior. Differentially methylated CpG sites were mapped to the genes huntington associated protein 1 (HAP1), RAN binding protein 2 (RANBP2) and proteasome subunit alpha 4 (PSMA4), respectively. In addition, the methylation of cg07225277 located in carnosine synthase 1 (CARNS1) correlated with trauma symptom complexity. Our pilot data suggest correlation of DNA methylation modifications with complex posttraumatic symptoms in elderly individuals subjected to prolonged and complex childhood trauma. More comprehensive and elaborated studies should be carried out to analyze epigenetic modifications associated with CPTSD.

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The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 49 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 49 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 12%
Student > Ph. D. Student 6 12%
Student > Master 5 10%
Student > Doctoral Student 4 8%
Student > Bachelor 4 8%
Other 6 12%
Unknown 18 37%
Readers by discipline Count As %
Psychology 12 24%
Medicine and Dentistry 4 8%
Nursing and Health Professions 3 6%
Biochemistry, Genetics and Molecular Biology 3 6%
Social Sciences 2 4%
Other 5 10%
Unknown 20 41%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 21 July 2021.
All research outputs
#14,102,908
of 23,881,329 outputs
Outputs from BMC Research Notes
#1,742
of 4,300 outputs
Outputs of similar age
#224,117
of 444,984 outputs
Outputs of similar age from BMC Research Notes
#65
of 189 outputs
Altmetric has tracked 23,881,329 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,300 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.9. This one has gotten more attention than average, scoring higher than 57% of its peers.
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 444,984 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 189 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 60% of its contemporaries.