Major Depressive Episode (MDE) affects nearly 15% of the general population. In a preliminary study, the investigators identified 12 genes whose expression was either altered between patient and control samples and/or between first patient samples and samples from the same patients obtained 8 weeks later. However, this study did not assess evolution of these alterations beyond an 8-week window and only 2 time points were considered. The investigators aim to compare gene expression difference for 21 candidate genes, of which 12 were already investigated, in 2 groups of subjects. MDE and control samples will be analyzed across a large time window to draw a better picture of the complex progression during MDE.
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to compare gene expression difference for 21 candidate genes, of which 12 were already investigated, in 2 groups of subjects
Timeframe: 6 months