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Integrated network analysis reveals potentially novel molecular mechanisms and therapeutic targets of refractory epilepsies.


ABSTRACT: Epilepsy is a complex neurological disorder and a significant health problem. The pathogenesis of epilepsy remains obscure in a significant number of patients and the current treatment options are not adequate in about a third of individuals which were known as refractory epilepsies (RE). Network medicine provides an effective approach for studying the molecular mechanisms underlying complex diseases. Here we integrated 1876 disease-gene associations of RE and located those genes to human protein-protein interaction (PPI) network to obtain 42 significant RE-associated disease modules. The functional analysis of these disease modules showed novel molecular pathological mechanisms of RE, such as the novel enriched pathways (e.g., "presynaptic nicotinic acetylcholine receptors", "signaling by insulin receptor"). Further analysis on the relationships between current drug targets and the RE-related disease genes showed the rational mechanisms of most antiepileptic drugs. In addition, we detected ten potential novel drug targets (e.g., KCNA1, KCNA4-6, KCNC3, KCND2, KCNMA1, CAMK2G, CACNB4 and GRM1) located in three RE related disease modules, which might provide novel insights into the new drug discovery for RE therapy.

SUBMITTER: Chu H 

PROVIDER: S-EPMC5384674 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Integrated network analysis reveals potentially novel molecular mechanisms and therapeutic targets of refractory epilepsies.

Chu Hongwei H   Sun Pin P   Yin Jiahui J   Liu Guangming G   Wang Yiwei Y   Zhao Pengyao P   Zhu Yizhun Y   Yang Xiaohan X   Zheng Tiezheng T   Zhou Xuezhong X   Jin Weilin W   Sun Changkai C  

PloS one 20170407 4


Epilepsy is a complex neurological disorder and a significant health problem. The pathogenesis of epilepsy remains obscure in a significant number of patients and the current treatment options are not adequate in about a third of individuals which were known as refractory epilepsies (RE). Network medicine provides an effective approach for studying the molecular mechanisms underlying complex diseases. Here we integrated 1876 disease-gene associations of RE and located those genes to human protei  ...[more]

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