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Sex differences in gene expression related to antipsychotic induced weight gain

Abstract: Antipsychotics are crucial for the treatment of schizophrenia and contribute to weight gain in psychosis, particularly during early phases. Antipsychotic Induced Weight Gain (AIWG) might contribute to reduce the quality of life, drug compliance and to increase mortality. To characterize sex differences of gene expression related to AIWG, we sequenced total mRNA from blood samples of schizophrenia patients, before and after 3 months of antipsychotic-treatment. We analyzed schizophrenia patients according to their sex (38 males and 39 females) and their BMI increase after medication, characterizing the differential gene expression before and after medication. Individuals in each group were categorized in patients who gain weight and those whose do not gain weight. The ?weight gain? groups included patients with an increase of body mass index (BMI) > 1.0 points (27 males and 23 females with a median BMI increase of 2.68 and 2.32 respectively). The ?no weight gain? groups included patients with a change of BMI between < 1.0 and > -1.0 points (11 males and 16 females with a median BMI increase of 0.21 and 0.16 respectively). The males had 331 genes with significant differential expression in the weight gain group and 24 genes in the no weight gain group. The females had 119 genes with significant differential expression in the weight gain group and 75 genes in the no weight gain group. Both weight gain groups were significantly enriched with ?obesity? genes (Fisher; p = 1.1E-09 and p = 0.0001 respectively), according to the Gene Reference into Function (GeneRIF) database.In conclusion, we characterized genes with differential expression associated to AIWG that are specific to males, to females and common to both sexes. These genes are good candidates to depict the biological processes involved in AIWG and provide additional evidence of the genetic links between weight gain and the immune system.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: PloS One, 2019, 14(4), e0215477

Editorial: Public Library of Science

 Año de publicación: 2019

Nº de páginas: 13

Tipo de publicación: Artículo de Revista

 DOI: 10.1371/journal.pone.0215477

ISSN: 1932-6203

Url de la publicación: https://doi.org/10.1371/journal.pone.0215477

Autoría

JESUS VICENTE SAINZ MAZA

PRIETO, CARLOS

BENEDICTO CRESPO FACORRO