Neocortex Gene Expression Correlates for OF_HAB_RATIO measured in BXD RI Females & Males obtained using GeneNetwork Neocortex ILM6v1.1 (Feb08) RankInv. The OF_HAB_RATIO measures Open Field - Habituation ratio (First:Last intervals) under the domain Basal Behavior. The correlates were thresholded at a p-value of less than 0.001.
Authors:
Philip VM, Duvvuru S, Gomero B, Ansah TA, Blaha CD, Cook MN, Hamre KM, Lariviere WR, Matthews DB, Mittleman G, Goldowitz D, Chesler EJ
Neocortex Gene Expression Correlates for OF_HAB_RATIO measured in BXD RI Males obtained using GeneNetwork Neocortex ILM6v1.1 (Feb08) RankInv. The OF_HAB_RATIO measures Open Field - Habituation ratio (First:Last intervals) under the domain Basal Behavior. The correlates were thresholded at a p-value of less than 0.001.
Authors:
Philip VM, Duvvuru S, Gomero B, Ansah TA, Blaha CD, Cook MN, Hamre KM, Lariviere WR, Matthews DB, Mittleman G, Goldowitz D, Chesler EJ
QTL for nicotine sensitivity on Chr8 at D8Mit124 (13.44 Mbp , Build 37)
Description:
nicotine sensitivity spans 0.00 - 38.44 Mbp (NCBI Build 37) on Chr8. This interval was obtained by using an interval width of 25 Mbp around the peak marker (Build 37, MGI, http://informatics.jax.org).
alcohol preference spans 0.00 - 40.29 Mbp (NCBI Build 37) on Chr8. This interval was obtained by using an interval width of 25 Mbp around the peak marker (Build 37, MGI, http://informatics.jax.org).
Authors:
Bachmanov AA, Reed DR, Li X, Li S, Beauchamp GK, Tordoff MG
Genes that are differentially expressed in adult male C57BL/6J mice given cocaine conditioning vs. saline conditioning. Tissue was collected from the ventral tegmental area (VTA) of the brain. Gene expression was evaluated via RNA-seq, and differential gene expression was determined via linear regression (LR). Values presented are p-values. Data taken from Supplementary Table 1. Data available from GEO with accession number GSE155313."""
Authors:
Rianne R Campbell, Siwei Chen, Joy H Beardwood, Alberto J López, Lilyana V Pham, Ashley M Keiser, Jessica E Childs, Dina P Matheos, Vivek Swarup, Pierre Baldi, Marcelo A Wood
Genes differentially expressed between methamphetamine low drink (MALDR) and methamphetamine high drink (MAHDR) mice from Belknap et al. (2013) , p < 0.01. Data reported in Table S14 for comparison with genes in the present study. Values presented are p-values.
Peroxisome proliferator-activated receptors (PPARs) are nuclear hormone receptors that act as ligand-activated transcription factors. Although prescribed for dyslipidemia and type-II diabetes, PPAR agonists also possess anti-addictive characteristics. PPAR agonists decrease ethanol consumption and reduce withdrawal severity and susceptibility to stress-induced relapse in rodents. However, the cellular and molecular mechanisms facilitating these properties have yet to be investigated. We tested three PPAR agonists in a continuous access two-bottle choice (2BC) drinking paradigm and found that tesaglitazar (PPARα/γ; 1.5 mg/kg) and fenofibrate (PPARα; 150 mg/kg) decreased ethanol consumption in male C57BL/6J mice while bezafibrate (PPARα/γ/β; 75 mg/kg) did not. We hypothesized that changes in brain gene expression following fenofibrate and tesaglitazar treatment lead to reduced ethanol drinking. We studied unbiased genomic profiles in areas of the brain known to be important for ethanol dependence, the prefrontal cortex (PFC) and amygdala, and also profiled gene expression in liver. Genomic profiles from the non-effective bezafibrate treatment were used to filter out genes not associated with ethanol consumption. Because PPAR agonists are anti-inflammatory, they would be expected to target microglia and astrocytes. Surprisingly, PPAR agonists produced a strong neuronal signature in mouse brain, and fenofibrate and tesaglitazar (but not bezafibrate) targeted a subset of GABAergic interneurons in the amygdala. Weighted gene co-expression network analysis (WGCNA) revealed co-expression of treatment-significant genes. Functional annotation of these gene networks suggested that PPAR agonists might act via neuropeptide and dopaminergic signaling pathways in the amygdala. Our results reveal gene targets through which PPAR agonists can affect alcohol consumption behavior.
Authors:
Laura B Ferguson, Dana Most, Yuri A Blednov, R Adron Harris
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