Project description:We have recently developed a Drosophila behavioral- and transcriptomic- based (systems) model of chronic pentylenetetrazole (PTZ) induced locomotor plasticity. Pharmacological validation using antiepileptic drugs (AEDs) shows that the model is predictive of antiepileptic, antiepileptogenic, disease-modifying and neuroprotective activities. This model is however developed using male flies. The present submission relates to microarray gene expression profiling of fly heads after treatment of female Drosophila adults with PTZ for seven days subsequent withdrawal of PTZ for next seven days. Expression profiles have been generated at three time points during chronic PTZ treatment, namely 12 hrs, 2nd day and 7th day and at the end of withdrawal period, i.e., 14th day from the beginning of the treatment. Keywords: Drug response

2008-03-25 | GSE10852 | GEO

Integrated miRNA/mRNA-Seq of the Habenulo-Interpeduncular Withdrawal Circuit

Project description:Nicotine dependence is responsible for perpetuating the adverse health effects due to tobacco use, the leading cause of preventable death worldwide. Nicotine is an agonist for nicotinic acetylcholine receptors, which are enriched in the habenulo-interpeduncular withdrawal circuit. Drugs of abuse, including nicotine, induce stable neuroadaptations, requiring protein synthesis through regulation of transcription factors, epigenetic mechanisms, and non-coding RNAs. It also been shown that miRNAs in brain are regulated by nicotine and that miRNA dysregulation contributes to brain dysfunction, including drug addiction. While much is known about the neurocircuitry responsible for the behaviors associated with nicotine reward or withdrawal, the underlying mechanisms of how changes in behavior are induced are less clear. Using miRNA- and mRNA-Seq, we demonstrate that there are widespread changes in both miRNA and mRNA expression in the IPN and MHb during acute nicotine withdrawal. Conserved, differentially expressed miRNAs were predicted to target inversely regulated mRNAs. This dataset represents a valuable resource, identifying a multitude of miRNAs/genes, which upon further study may reveal new mechanisms underlying the neuroadaptations of nicotine dependence and the symptoms of nicotine withdrawal.

2020-01-08 | GSE117069 | GEO

Homo sapiens

Project description:Gene expression changes upon drug withdrawal (Mel888 cell line)

| PRJNA386528 | ENA

Gene expression changes in liver upon LCMV Cl13 infection

Project description:Gene expression changes in liver upon LCMV Cl13 infection

| PRJNA486515 | ENA

Chronic Pentylenetetrazol withdrawal induced successive gene expression changes in Drosophila head

Project description:Kindling induced by Pentylenetetrazol is an established rodent model of epileptogenesis. The molecular basis of the long-term plasticity involved is however not clear. In addition, rodent models of kindling plasticity are not useful for large-scale screening of compounds to identify antiepileptogenic drugs. Given this, we have developed a fly model of chronic PTZ- and withdrawal-induced behavioral plasticity. In our fly model, the chronic PTZ treatment is given for 7 days. This is then followed by 7 day long withdrawal. Expression profiling of fly heads at three time points in the 7 day long withdrawal period – 8th day, 10th day, and 14th day from the beginning of the treatment - showed a dynamic and widespread alteration of various functional categories of genes. Keywords: time series

2007-10-02 | GSE7156 | GEO

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