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ALDH2 Glu504Lys Confers Susceptibility to Schizophrenia and Impacts Hippocampal-Prefrontal Functional Connectivity

Overview of attention for article published in Cerebral Cortex, March 2016
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Title
ALDH2 Glu504Lys Confers Susceptibility to Schizophrenia and Impacts Hippocampal-Prefrontal Functional Connectivity
Published in
Cerebral Cortex, March 2016
DOI 10.1093/cercor/bhw056
Pubmed ID
Authors

Fanfan Zheng, Hao Yan, Bing Liu, Weihua Yue, Lingzhong Fan, Jinmin Liao, Yue Cui, Tianlan Lu, Tianzi Jiang, Dai Zhang

Abstract

Although previous evidence suggested that ALDH2 is a candidate gene for schizophrenia, the association and underlying mechanisms have never been investigated. Therefore, we investigated ALDH2 as a susceptibility gene for schizophrenia and explored the effect of its polymorphisms on brain functions. In the discovery stage, we detected a positive association between a dominant-negative mutant, Glu504Lys, and schizophrenia (P= 8.01E-5, OR = 1.34, 95% CI = 1.16-1.55). This association was confirmed in the validation stage (P= 3.48E-6, OR = 1.28, 95% CI = 1.15-1.42). The combined P reached a genome-wide significance (Pcombined= 1.32E-9, OR = 1.30, 95% CI = 1.20-1.42). To investigate the neural mechanism linking Glu504Lys to schizophrenia, we calculated the functional connectivity (FC) and applied an imaging genetics strategy using resting-state fMRI data. The imaging analysis revealed a significant interaction of diagnostic group by genotype for FC between the left hippocampus and the prefrontal cortex. In the Glu homozygotes, hippocampal-prefrontal FC correlated inversely with memory performance in the healthy controls and with the PANSS negative score in the schizophrenia patients. Our results supported a role for ALDH2 in the pathophysiology of schizophrenia. Moreover, variation at Glu504Lys disrupts hippocampal-prefrontal FC, which might be the neural mechanism linking it to the disease.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 3%
Unknown 29 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 30%
Student > Ph. D. Student 8 27%
Researcher 2 7%
Student > Doctoral Student 1 3%
Librarian 1 3%
Other 2 7%
Unknown 7 23%
Readers by discipline Count As %
Neuroscience 9 30%
Psychology 3 10%
Biochemistry, Genetics and Molecular Biology 2 7%
Medicine and Dentistry 2 7%
Immunology and Microbiology 1 3%
Other 3 10%
Unknown 10 33%
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 30 April 2017.
All research outputs
#17,791,786
of 22,854,458 outputs
Outputs from Cerebral Cortex
#3,917
of 4,799 outputs
Outputs of similar age
#203,097
of 298,618 outputs
Outputs of similar age from Cerebral Cortex
#68
of 83 outputs
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