The mechanisms underlying montelukast's neuropsychiatric effects - new insights from a combined metabolic and multiomics approach

AIMSMontelukast (MTK) is an antagonist of the cysteinyl leukotrienes receptor 1 widely used to manage asthma symptoms among adults and children. However, it has been associated with an increasing number of neuropsychiatric adverse drug reactions (ADRs), particularly among children, including depress...

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Veröffentlicht in:Life sciences (1973) 2022-12, Vol.310, p.121056-121056, Article 121056
Hauptverfasser: Marques, Cátia F., Marques, M. Matilde, Justino, Gonçalo C.
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Sprache:eng
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Zusammenfassung:AIMSMontelukast (MTK) is an antagonist of the cysteinyl leukotrienes receptor 1 widely used to manage asthma symptoms among adults and children. However, it has been associated with an increasing number of neuropsychiatric adverse drug reactions (ADRs), particularly among children, including depression, sleep disturbance, and suicidal ideation. The aims of this work were to characterize MTK metabolism in vitro and in vivo and to identify its effects at the metabolome and proteome levels in order to explain its toxicity. MAIN METHODSAn extensive study of montelukast metabolism was carried out using in vitro systems, an embryonic neuron-enriched cell model, and a mouse model. Metabolites were identified by high-resolution mass spectrometry, and a combined mass spectrometry-based metabolomics and proteomics approach was employed to assess the effect of MTK on mice and isolated chicken neurons. KEY FINDINGSEighteen new MTK metabolites were identified. MTK's ability to react with glutathione was confirmed. The multi-omics approach employed confirmed that montelukast interferes with the glutathione detoxification system in the brain. Moreover, montelukast is also able to dysregulate various neurotransmitter and neurosteroid pathways, particularly those involved in regulation of the hypothalamic-pituitary-adrenal axis, also interfering with mitochondrial function in neuronal cells. SIGNIFICANCEResults clearly indicate that montelukast therapeutic effects are accompanied by a strong modulation of specific processes in the central nervous system that may explain the observed neuropsychiatric reactions. Moreover, the results also suggest that adverse drug reactions are more likely to occur in children, due to the early maturation stage of their brains.
ISSN:0024-3205
1879-0631
DOI:10.1016/j.lfs.2022.121056