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Association of the PPAR-gamma Gene with Altered Glucose Levels and Psychosis Profile in Schizophrenia Patients Exposed to Antipsychotics
Psychiatry Investigation ; : 179-185, 2014.
Artigo em Inglês | WPRIM | ID: wpr-225629
ABSTRACT

OBJECTIVE:

Metabolic abnormalities, e.g., diabetes, are common among schizophrenia patients. Peroxisome proliferator activated receptor-gamma (PPAR-gamma) regulates glucose/lipid metabolisms, and schizophrenia like syndrome may be induced by actions involving retinoid X receptor-alpha/PPAR-gamma heterodimers. We examined a possible role of the PPAR-gamma gene in metabolic traits and psychosis profile in schizophrenia patients exposed to antipsychotics.

METHODS:

Single nucleotide polymorphisms (SNPs) of the PPAR-gamma gene and a serial of metabolic traits were determined in 394 schizophrenia patients, among which 372 were rated with Positive and Negative Syndrome Scale (PANSS).

RESULTS:

SNP-10, -12, -18, -19, -20 and -26 were associated with glycated hemoglobin (HbA1c) whereas SNP-18, -19, -20 and -26 were associated with fasting plasma glucose (FPG). While SNP-23 was associated with triglycerides, no associations were identified between the other SNPs and lipids. Further haplotype analysis demonstrated an association between the PPAR-gamma gene and psychosis profile.

CONCLUSION:

Our study suggests a role of the PPAR-gamma gene in altered glucose levels and psychosis profile in schizophrenia patients exposed to antipsychotics. Although the Pro12Ala at exon B has been concerned an essential variant in the development of obesity, the lack of association of the variant with metabolic traits in this study should not be treated as impossibility or a proof of error because other factors, e.g., genes regulated by PPAR-gamma, may have complicated the development of metabolic abnormalities. Whether the PPAR-gamma gene modifies the risk of metabolic abnormalities or psychosis, or causes metabolic abnormalities that lead to psychosis, remains to be examined.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Transtornos Psicóticos / Esquizofrenia / Antipsicóticos / Triglicerídeos / Glicemia / Haplótipos / Hemoglobinas Glicadas / Éxons / Jejum / Peroxissomos Tipo de estudo: Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Psychiatry Investigation Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Transtornos Psicóticos / Esquizofrenia / Antipsicóticos / Triglicerídeos / Glicemia / Haplótipos / Hemoglobinas Glicadas / Éxons / Jejum / Peroxissomos Tipo de estudo: Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Psychiatry Investigation Ano de publicação: 2014 Tipo de documento: Artigo