To identify genetic differences in the EWcp of inbred mouse strains that differ in behaviors relevant to EWcp function, we used publicly available tools from the Allen Brain Atlas to identify 68 tran- scripts that were selectively expressed in the EWcp, and examined their expression within tissue punch microdissection samples containing the EWcp of adult male C57BL/6J (B6) and DBA/2J (D2) mice. Using 96-well quantitative real-time PCR (qPCR) arrays that included the EWcp-specific genes, several other genes of interest, and five housekeeping genes, we identified strain differences in expression of 11 EWcp-specific genes (BC023892, Btg3, Bves, Cart, Cck, Ghsr, Neto1, Postn, Ptprn, Rcn1, and Ucn), two immediate early genes (Egr1 and Fos), and one dopamine-related gene (Drd5). Statistics reported as p-value.
We used publicly available tools from the Allen Brain Atlas to identify 68 tran- scripts that were selectively expressed in the EWcp, and examined their expression within tissue punch microdissection samples containing the EWcp of adult male C57BL/6J (B6) and DBA/2J (D2) mice. Using 96-well quantitative real-time PCR (qPCR) arrays that included the EWcp-specific genes, several other genes of interest, and five housekeeping genes, we identified strain differences in expression of 11 EWcp-specific genes (BC023892, Btg3, Bves, Cart, Cck, Ghsr, Neto1, Postn, Ptprn, Rcn1, and Ucn), two immediate early genes (Egr1 and Fos), and one dopamine-related gene (Drd5). All significant expression differ- ences were greater in B6 vs. D2 mice, and several of these were verified either at the protein level using immunohistochemistry (IHC) or in silico using microarray data sets from whole brain and other brain areas. Statistics reported in P-value.
V$EGR1_01
Genes with promoter regions [-2kb,2kb] around transcription start site containing the motif WTGCGTGGGCGK which matches annotation for EGR1: early growth response 1
c3 - Motif genesets based on conserved cis-regulatory motifs from a comparative analysis of the human, mouse, rat, and dog genomes.
Molecular Signatures Database (MSigDB) Geneset. This geneset was imported from one of the MSigDB collections.
gene2msig v. 0.1.0
Last updated 2015.08.31
V$EGR_Q6
Genes with promoter regions [-2kb,2kb] around transcription start site containing the motif GTGGGSGCRRS which matches annotation for EGR1: early growth response 1<br> EGR2: early growth response 2 (Krox-20 homolog, Drosophila)<br> EGR3: early growth response 3
c3 - Motif genesets based on conserved cis-regulatory motifs from a comparative analysis of the human, mouse, rat, and dog genomes.
Molecular Signatures Database (MSigDB) Geneset. This geneset was imported from one of the MSigDB collections.
gene2msig v. 0.1.0
Last updated 2015.08.31
Activation of the mesolimbic dopamine reward pathway by acute ethanol produces reinforcement and changes in gene expression that appear to be crucial to the molecular basis for adaptive behaviors and addiction. The inbred mouse strains DBA/2J and C57BL/6J exhibit contrasting acute behavioral responses to ethanol. We used oligonucleotide microarrays and bioinformatics methods to characterize patterns of gene expression in three brain regions of the mesolimbic reward pathway of these strains. Expression profiling included examination of both differences in gene expression 4 h after saline injection or acute ethanol (2 g/kg). Using a rigorous stepwise method for microarray analysis, we identified 788 genes differentially expressed in control DBA/2J versus C57BL/6J mice and 307 ethanol-regulated genes in the nucleus accumbens, prefrontal cortex, and ventral tegmental area. There were strikingly divergent patterns of ethanol-responsive gene expression in the two strains. Ethanol-responsive genes also showed clustering at discrete chromosomal regions, suggesting local chromatin effects in regulation. Ethanol-regulated genes were generally related to neuroplasticity, but regulation of discrete functional groups and pathways was brain region specific: glucocorticoid signaling, neurogenesis, and myelination in the prefrontal cortex; neuropeptide signaling and developmental genes, including factor Bdnf, in the nucleus accumbens; and retinoic acid signaling in the ventral tegmental area. Bioinformatics analysis identified several potential candidate genes for quantitative trait loci linked to ethanol behaviors, further supporting a role for expression profiling in identifying genes for complex traits. Brain region-specific changes in signaling and neuronal plasticity may be critical components in development of lasting ethanol behavioral phenotypes such as dependence, sensitization, and craving.
Using a two-stage process, several genes were initially identified using microarray analyses of cerebellar tissue from ethanol-treated PKCgamma mutant and wild-type mice. This geneset consists of genes related to PKCgamma wild-type expression changes due to chronic ethanol diet.
Authors:
Bowers BJ, Radcliffe RA, Smith AM, Miyamoto-Ditmon J, Wehner JM
To monitor the expression levels of a large number of genes and to identify genes not previously implicated in traumatic brain injury pathophysiology, a high-density oligonucleotide array containing 8,800 genes was interrogated. RNA samples were prepared from ipsilateral hippocampi 3 hr and 24 hr following lateral cortical impact injury and compared to samples from sham-operated controls.
Authors:
Matzilevich DA, Rall JM, Moore AN, Grill RJ, Dash PK
This gene set contains 15 ethanol withdrawal genes found to be downregulated in B6 mice during chronic ethanol treatment. Background: Study used cDNA microarrays to determine the gene expression profile in the hippocampus of DBA/2J (D2) and C57BL/6J (B6) mice during withdrawal after chronic and acute ethanol exposure and found strain- and treatment-specific patterns of altered expression.
This gene set comprises 26 ethanol-dependence genes that were upregulated in the PKC-gamma mutant mice during the experiment. Background: Study shows that PKC- gamma wild-type mice develop tolerance to the sedative-hypnotic effects of ethanol after chronic ethanol treatment but mutant mice do not, making these genotypes a suitable model for identifying changes in gene expression related developing tolerance toward ethanol.
Authors:
Bowers BJ, Radcliffe RA, Smith AM, Miyamoto-Ditmon J, Wehner JM
Study investigates gene expression profiles of MDMA-induced genes and confirms that a single does of MDMA can cause multiple transcriptional changes. This gene set contains 19 upregulated MDMA-induced genes.
A list of the 307 genes found to be upregulated or downregulated by ethanol in PFC, VTA or NA of B6 or D2 mice. ID number represents cluster membership from Figure 4.
Authors:
Kerns RT, Ravindranathan A, Hassan S, Cage MP, York T, Sikela JM, Williams RW, Miles MF
Human neuroblastoma (SH-SY5Y) cells were chronically exposed to nicotine to discover if gene expression was responsible for the long term effects of nicotine on the nervous system and for the up-regulation of acetylcholine receptors upon nicotine exposure. Seventeen genes were found to be differentially expressed. Of these, the genes reported here were down-regulated.
Striatum Gene Expression Correlates for ACTI10_ETHA measured in BXD RI Males obtained using GeneNetwork Striatum M430V2 (Apr05) RMA. The ACTI10_ETHA measures Distance traveled (cm) during the second five minute bin after ethanol under the domain Ethanol. 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
Striatum Gene Expression Correlates for ACTI15_ETHA measured in BXD RI Males obtained using GeneNetwork Striatum M430V2 (Apr05) RMA. The ACTI15_ETHA measures Distance traveled (cm) during the third five minute bin after ethanol under the domain Ethanol. 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
Striatum Gene Expression Correlates for ACTITOT_ETHA measured in BXD RI Males obtained using GeneNetwork Striatum M430V2 (Apr05) RMA. The ACTITOT_ETHA measures Total distance traveled (cm) following ethanol under the domain Ethanol. 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
Striatum Gene Expression Correlates for ACTITOT_DIFF measured in BXD RI Males obtained using GeneNetwork Striatum M430V2 (Apr05) RMA. The ACTITOT_DIFF measures Difference in total distance traveled (cm) (saline-ethanol) under the domain Ethanol. 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
Bolus fed rats (6g/kg/body weight, 20% ethanol solution) or rats maintained on an intragatric liquid ethanol diet (13/g/kg/d) for a month were compared with controls. Bolus fed rats were killed 3 or 12 hours post alcohol, with alcohol and blood levels taken. Ethanol fed rats were killed at either peak or trough of the urinary alcohol cycle (UAL). Data set is comparison of the experimental group versus control during peak UAL in hepatocytes.
Authors:
Bardag-Gorce F, Oliva J, Dedes J, Li J, French BA, French SW
Bolus fed rats (6g/kg/body weight, 20% ethanol solution) or rats maintained on an intragatric liquid ethanol diet (13/g/kg/d) for a month were compared with controls. Bolus fed rats were killed 3 or 12 hours post alcohol, with alcohol and blood levels taken. Ethanol fed rats were killed at either peak or trough of the urinary alcohol cycle (UAL). Data set is comparison of the experimental group versus control during trough UAL in hepatocytes.
Authors:
Bardag-Gorce F, Oliva J, Dedes J, Li J, French BA, French SW
A list of genes whose transcript abundance in the PFC changed significantly 4 hours after an acute dose of ethanol (1.8 g/kg). This list was generated using Fisher's Combined Probability test to analyze saline vs ethanol S-scores across B6 and D2 inbred strains (n=3) and 27 BXD RI lines (n=1). Statistical significance was determined using 1,000 permutations of S-score data and selecting for probe-sets with q-values < 0.05. Aaron Wolen 5-26-10.
Authors:
Wolen AR, Phillips CA, Langston MA, Putman AH, Vorster PJ, Bruce NA, York TP, Williams RW, Miles MF
DNA macroarrays were used to probe for differences in normative cortical gene expression between rat strains genetically selected for alcohol selfadministration preference, AA (Alko, alcohol) and P (Indiana, preferring), or avoidance, ANA (Alko, nonalcohol) and NP (Indiana, nonpreferring). Among 1,176 genes studied, six demonstrated confirmable, differential expression following comparison of ethanol-naive AA and ANA rats. Fold change is average ratio of AA to ANA. From Worst et al., 2005
Authors:
Worst TJ, Tan JC, Robertson DJ, Freeman WM, Hyytia P, Kiianmaa K, Vrana KE
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