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- W2072955178 abstract "The development of new therapies for the treatment of psychiatric disorders requires an in-depth knowledge of the molecular bases underlying these pathologies, which remain largely unknown. Alterations in adrenoceptors, serotonin receptors, and other G protein-coupled receptors (GPCRs) have been associated with suicide and depression. However, to date, there is little information about mRNA expression of the GPCRs in the frontal cortex of suicide victims. Our goal was to study the expression in the brain of these receptors. For this purpose, we measured mRNA levels by RT-PCR. We found that the expressions of alpha2A-adrenoceptors, 5-HT1A, 5-HT2A serotonin receptors, and mu-opioid receptors were elevated in the post-mortem brains of these suicide victims with respect to matched controls. Moreover, in the case of alpha2A-adrenoceptors (the only for which these data were available), a significant correlation was observed between the level of mRNA and protein quantified in the brain of the same subjects, indicating that protein synthesis of this receptor was not influenced by post-translational regulatory mechanisms. In addition, the degree of adrenoceptor and 5-HT receptor expressions appeared to be correlated in the brains of suicide victims and control subjects. Alterations in the expression of adrenoceptors, serotonin, and opioid receptors indicate that these signaling proteins might be related to the etiopathology of suicidal and depressive behaviors. Alternatively, such changes may represent adaptive mechanisms to compensate for other as yet unknown alterations. The results also suggest that these receptors could share common regulatory mechanisms." @default.
- W2072955178 created "2016-06-24" @default.
- W2072955178 creator A5019545057 @default.
- W2072955178 creator A5044317538 @default.
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- W2072955178 date "2004-06-16" @default.
- W2072955178 modified "2023-10-18" @default.
- W2072955178 title "Increased mRNA Expression of α2A-Adrenoceptors, Serotonin Receptors and μ-Opioid Receptors in the Brains of Suicide Victims" @default.
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- W2072955178 doi "https://doi.org/10.1038/sj.npp.1300459" @default.
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