Author:
Wu Tai-Na,Lee Chau-Shoun,Wu Bo-Jian,Sun Hsiao-Ju,Chang Chieh-Hsing,Chen Chun-Ying,Chen Chih-Ken,Wu Lawrence Shih-Hsin,Cheng Andrew Tai-Ann
Abstract
AbstractImmune dysfunction is implicated in the etiology of bipolar disorder. The single-nucleotide polymorphism rs17026688 in the gene encoding glutamate decarboxylase–like protein 1 (GADL1) has been found to be associated with lithium response in Han Chinese patients with bipolar I disorder (BDI). However, whether patients withGADL1polymorphisms have different immunophenotypes is unknown. To address this issue, differences in the immune profiles based on analysis of peripheral blood mononuclear cells (PBMCs) were compared among BDI patients and healthy controls who lack or carry the T allele of rs17026688. BDI patients had significantly higher percentages of total T cells, CD4+T cells, activated B cells, and monocytes than healthy controls, suggesting that immunologic imbalance might be involved in BDI development or progression. Treatment of BDI patients-derived PBMCs with lithiumin vitroincreased the percentage of CD14+monocytes and dendritic cells, suggesting that lithium plays an immunomodulatory role in CD14+monocytes and dendritic cells. Among BDI patients, non-T carriers had a significantly higher percentage of CD11b+/CD33lo/HLA-DR−myeloid-derived suppressor cells than T carriers. Moreover, only T carriers exhibited differential sensitivity to lithium therapeutic use with respect to the percentage of myeloid cells. These findings suggest that rs17026688 polymorphisms inGADL1are associated with immune dysfunction in BDI patients.
Funder
Academia Sinica
Ministry of Science and Technology, Taiwan
Chang Gung Memorial Hospital, Keelung
Publisher
Springer Science and Business Media LLC
Cited by
14 articles.
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