Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls

Abstract Investigations of plasma amino acids in early psychosis and their unaffected siblings are rare. We measured plasma amino acids involved in the co-activation of dopaminergic, GABAergic, glutamatergic, and serotoninergic neurotransmitters in first-episode psychosis (FEP) patients (n = 166), u...

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Autores principales:	Camila Marcelino Loureiro, Daiane Leite da Roza, Fabiana Corsi-Zuelli, Rosana Shuhama, Helene Aparecida Fachim, Lívia Maria Cordeiro Simões-Ambrosio, Rafael Deminice, Alceu Afonso Jordão, Paulo Rossi Menezes, Cristina Marta Del-Ben, Paulo Louzada-Junior
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e2bcf48fdeff42b094aab51b6db0fdea
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spelling	oai:doaj.org-article:e2bcf48fdeff42b094aab51b6db0fdea2021-12-02T12:33:14ZPlasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls10.1038/s41598-020-78559-w2045-2322https://doaj.org/article/e2bcf48fdeff42b094aab51b6db0fdea2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78559-whttps://doaj.org/toc/2045-2322Abstract Investigations of plasma amino acids in early psychosis and their unaffected siblings are rare. We measured plasma amino acids involved in the co-activation of dopaminergic, GABAergic, glutamatergic, and serotoninergic neurotransmitters in first-episode psychosis (FEP) patients (n = 166), unaffected siblings (n = 76), and community-based controls (n = 166) included in a cross-sectional study. Plasma levels of glutamic acid (GLU), glutamine, glycine, proline (PRO), tryptophan (TRP), tyrosine, serine and GABA were quantified by gas-chromatography-mass spectrometry. We used the generalized linear model adjusted by sex, age, and body mass index for group comparison and paired t-test for FEP-Sibling pairs. FEP had reduced GABA plasma levels compared to siblings and controls (p < 0.05 for both). Siblings had lower GLU, Glx and PRO (p < 0.05 for all) but increased TRP compared to patients and controls (p < 0.05 for both). FEP patients with longer duration of pharmacological treatment and medicated only with antipsychotics had increased GLU compared to FEP with shorter periods, or with those treated with a combination of medications (p < 0.05 for both). Finally, FEP patients treated only with antipsychotics presented higher Glx compared to those with mixed medications (p = 0.026). Our study suggests that FEP have low a GABA plasma profile. Unaffected siblings may be a possible risk group for metabolic abnormalities.Camila Marcelino LoureiroDaiane Leite da RozaFabiana Corsi-ZuelliRosana ShuhamaHelene Aparecida FachimLívia Maria Cordeiro Simões-AmbrosioRafael DeminiceAlceu Afonso JordãoPaulo Rossi MenezesCristina Marta Del-BenPaulo Louzada-JuniorNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Camila Marcelino Loureiro Daiane Leite da Roza Fabiana Corsi-Zuelli Rosana Shuhama Helene Aparecida Fachim Lívia Maria Cordeiro Simões-Ambrosio Rafael Deminice Alceu Afonso Jordão Paulo Rossi Menezes Cristina Marta Del-Ben Paulo Louzada-Junior Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
description	Abstract Investigations of plasma amino acids in early psychosis and their unaffected siblings are rare. We measured plasma amino acids involved in the co-activation of dopaminergic, GABAergic, glutamatergic, and serotoninergic neurotransmitters in first-episode psychosis (FEP) patients (n = 166), unaffected siblings (n = 76), and community-based controls (n = 166) included in a cross-sectional study. Plasma levels of glutamic acid (GLU), glutamine, glycine, proline (PRO), tryptophan (TRP), tyrosine, serine and GABA were quantified by gas-chromatography-mass spectrometry. We used the generalized linear model adjusted by sex, age, and body mass index for group comparison and paired t-test for FEP-Sibling pairs. FEP had reduced GABA plasma levels compared to siblings and controls (p < 0.05 for both). Siblings had lower GLU, Glx and PRO (p < 0.05 for all) but increased TRP compared to patients and controls (p < 0.05 for both). FEP patients with longer duration of pharmacological treatment and medicated only with antipsychotics had increased GLU compared to FEP with shorter periods, or with those treated with a combination of medications (p < 0.05 for both). Finally, FEP patients treated only with antipsychotics presented higher Glx compared to those with mixed medications (p = 0.026). Our study suggests that FEP have low a GABA plasma profile. Unaffected siblings may be a possible risk group for metabolic abnormalities.
format	article
author	Camila Marcelino Loureiro Daiane Leite da Roza Fabiana Corsi-Zuelli Rosana Shuhama Helene Aparecida Fachim Lívia Maria Cordeiro Simões-Ambrosio Rafael Deminice Alceu Afonso Jordão Paulo Rossi Menezes Cristina Marta Del-Ben Paulo Louzada-Junior
author_facet	Camila Marcelino Loureiro Daiane Leite da Roza Fabiana Corsi-Zuelli Rosana Shuhama Helene Aparecida Fachim Lívia Maria Cordeiro Simões-Ambrosio Rafael Deminice Alceu Afonso Jordão Paulo Rossi Menezes Cristina Marta Del-Ben Paulo Louzada-Junior
author_sort	Camila Marcelino Loureiro
title	Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
title_short	Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
title_full	Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
title_fullStr	Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
title_full_unstemmed	Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
title_sort	plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/e2bcf48fdeff42b094aab51b6db0fdea
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Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls

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