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Immunophenotypes associated with bipolar disorder and lithium treatment.


ABSTRACT: Immune 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 with GADL1 polymorphisms 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 lithium in vitro increased 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 in GADL1 are associated with immune dysfunction in BDI patients.

SUBMITTER: Wu TN 

PROVIDER: S-EPMC6877517 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Immunophenotypes associated with bipolar disorder and lithium treatment.

Wu Tai-Na TN   Lee Chau-Shoun CS   Wu Bo-Jian BJ   Sun Hsiao-Ju HJ   Chang Chieh-Hsing CH   Chen Chun-Ying CY   Chen Chih-Ken CK   Wu Lawrence Shih-Hsin LS   Cheng Andrew Tai-Ann AT  

Scientific reports 20191125 1


Immune 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 with GADL1 polymorphisms have different immunophenotypes is unknown. To address this issue, differences in the immune profiles based on analysis of peripheral blood mononuclear cell  ...[more]

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