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Polymorphisms in the human serotonin receptor 1B (HTR1B) gene are associated with schizophrenia: a case control study.
BMC Psychiatry ; 18(1): 303, 2018 09 19.
Artigo em Inglês | MEDLINE | ID: mdl-30231895
ABSTRACT

BACKGROUND:

Schizophrenia is associated with multiple neurotransmitter disorders, including serotonin (5-hydroxytryptamine, 5-HT). The neuromodulatory action of serotonin on brain function largely depends on the action of specific subtypes of serotonin receptors. The serotonin receptor 1B (HTR1B) gene has been proposed to play putative roles in the development of multiple emotional and psychiatric disorders.

METHODS:

To study the relationship of HTR1B polymorphisms and schizophrenia, gene information was drawn from a cohort of 310 schizophrenic patients (152 men and 158 women) and 313 healthy controls (153 men and 160 women) of northern Han Chinese descent. The χ2 test was used to compare allele and genotype distributions between case and control groups. The haplotype and linkage equilibrium were also assessed in two group comparisons.

RESULTS:

We detected 14 SNPs. Male patients were observed to have higher frequencies of the A-allele and AA+AG genotype at rs1778258 than female patients (p = 0.012 and p = 0.015, respectively). Both the A-allele and AA+AG genotype were associated with schizophrenia risk (OR = 1.986 and OR = 2.061, respectively), although the statistical significance of the genotype was lost after Bonferroni correction. Linkage analysis showed that rs17273700, rs11568817, rs9361234 and rs58138557 polymorphisms exhibit strong linkage disequilibrium (LD). In addition, schizophrenic patients show stronger linkage between 11,568,817 and rs130058 than healthy controls.

CONCLUSIONS:

HTR1B polymorphisms are associated with schizophrenia in the northern Han Chinese population, which provides an etiological reference for schizophrenia.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Esquizofrenia / Predisposição Genética para Doença / Polimorfismo de Nucleotídeo Único / Receptor 5-HT1B de Serotonina Tipo de estudo: Estudo de casos e controles Aspecto clínico: Etiologia Limite: Adulto / Feminino / Humanos / Masculino País/Região como assunto: Ásia Idioma: Inglês Revista: BMC Psychiatry Assunto da revista: Psiquiatria Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: China