Cerebellum Gene Expression Correlates for DEFECATE measured in BXD RI Females & Males obtained using SJUT Cerebellum mRNA M430 (Mar05) RMA. The DEFECATE measures Morphine Response - Defecation under the domain Morphine. 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 high-dose ethanol actions on Chr9 at D9Mit42 (21.79 Mbp , Build 37)
Description:
high-dose ethanol actions spans 0.00 - 46.79 Mbp (NCBI Build 37) on Chr9. This interval was obtained by using an interval width of 25 Mbp around the peak marker (Build 37, MGI, http://informatics.jax.org).
Authors:
Erwin VG, Markel PD, Johnson TE, Gehle VM, Jones BC
Alcohol preference QTL 1 spans 26931283-76931283 (NCBI Build 37) on Chr9. This interval was obtained by using an interval width of 25 Mbp around the peak marker (Build 37, MGI, http://informatics.jax.org). Phenotypically extreme HAP1/LAP1 animals (n=96) and HAP2/LAP2 animals (n=48) were screened for microsatellite markers in chromosomal regions previously reported to influence alcohol preference phenotypes. Linkage to alcohol preference, Alpq1, mapped to chromosome 9 near D9Mit4 (29 cM) in the HAP1/LAP1 set and near D9Mit90 (9 cM) in the HAP2/LAP2 set. The Alpq1 QTL interval is broad and may contain more than 1 underlying gene. Drd2 at 28 cM is a potential candidate for Alpq1.
Authors:
Bice PJ, Foroud T, Carr LG, Zhang L, Liu L, Grahame NJ, Lumeng L, Li TK, Belknap JK
BECs at LORR Recovery Chr# 9 rs13480854(7524005) with right flanking marker mCV23893269 (4062079) and left marker rs3663313 (123063108). This was mapped in 300 + (b6x129)F2 mice.
Ethanol Induced Ataxia Chr#9 rs3655717(65312971) with right flanking marker rs13480112(26413932) and left marker rs13480421(111761261). This was mapped in 300 + (b6x129)F2 mice.
Genes that have regions with differential 5-hydroxymethylcytosine (5hmC) levels in response to cocaine in adult (8-10 week) male C57BL/6J mice. 5hmC levels were measured via 5hmC-seq. Data taken from Supplementary Table 2. Values presented are p-values. Data available at GEO with accession number GSE63749.
Authors:
Jian Feng, Ningyi Shao, Keith E Szulwach, Vincent Vialou, Jimmy Huynh, Chun Zhong, Thuc Le, Deveroux Ferguson, Michael E Cahill, Yujing Li, Ja Wook Koo, Efrain Ribeiro, Benoit Labonte, Benjamin M Laitman, David Estey, Victoria Stockman, Pamela Kennedy, Thomas Couroussé, Isaac Mensah, Gustavo Turecki, Kym F Faull, Guo-li Ming, Hongjun Song, Guoping Fan, Patrizia Casaccia, Li Shen, Peng Jin, Eric J Nestler
The current study used two inbred mouse strains, C57BL/6 J and A/J, to investigate the genetics of behavioral responses to fentanyl. Mice were tested for conditioned place preference and fentanyl-induced locomotor activity. C57BL/6J mice formed a conditioned place preference to fentanyl injections and fentanyl increased their activity. Neither effect was noted in A/J mice. We conducted RNA-sequencing on the nucleus accumbens of mice used for fentanyl-induced locomotor activity. Surprisingly, we noted few differentially expressed genes using treatment as the main factor. However many genes differed between strains.
Authors:
Samuel J Harp, Mariangela Martini, Will Rosenow, Larry D Mesner, Hugh Johnson, Charles R Farber, Emilie F Rissman
Differential gene expression in nucleus accumbens somatostatin interneurons_cocaine_mice_pvalue
Description:
To characterize transcriptional alterations that cocaine induces in these cells, we perform cell type-specific RNA-sequencing on FACS-isolated nuclei of somatostatin interneurons and identified 1100 DETs enriched for processes related to neural plasticity. To profile the entire (non poly-A selected) transcriptome of NAc somatostatin interneurons, we generated a transgenic reporter line (SST-TLG498 mice) to label the nuclei of these cells with a modified form of EGFP that is retained in the nuclear membrane (EGFP-F)22, enabling their isolation from NAc dissections using FACS. We succeeded in FACS-isolating nuclei suitable for RNA-sequencing from individual SST-TLG498 mice. We proceeded with differential expression analysis of the RNA-sequencing data to identify differentially expressed transcripts (DETs) in NAc somatostatin interneurons in response to repeated cocaine exposure: 778 transcripts were upregulated by cocaine and 322 were downregulated.
Authors:
Efrain A Ribeiro, Marine Salery, Joseph R Scarpa, Erin S Calipari, Peter J Hamilton, Stacy M Ku, Hope Kronman, Immanuel Purushothaman, Barbara Juarez, Mitra Heshmati, Marie Doyle, Casey Lardner, Dominicka Burek, Ana Strat, Stephen Pirpinias, Ezekiell Mouzon, Ming-Hu Han, Rachael L Neve, Rosemary C Bagot, Andrew Kasarskis, Ja Wook Koo, Eric J Nestler
DEG effect of brain region 72hrs post-CIE (C57 and D2)_pvalue
Description:
Male C57BL/6J and DBA/2J mice (10 weeks old upon arrival) were purchased from the Jackson Laboratory and assigned to either the air control or CIE group (N = 1 per strain/ treatment). Treatment was coded as 0 for AIR and 1 for CIE, 0 for B6 and 1 for D2. Regions were collapsed into three groups based on the PCA clustering and coded as 0 for hippocampus (CA1 and CA3 regions), 1 for cortex (Prl, ILC, and VCX), and 2 for the remaining subcortical and limbic and mesolimbic tissue (VTA, NAc, NAs, DMS, CeA, and BST). The final data set included 11 brain regions and 87 samples. Mice were allowed to self-administer alcohol (15% v/v vs. water) for 2 h a day (5 days a week) 6 weeks prior to treatment in order to establish baseline consumption. Access to 15% alcohol versus water started 30 min prior to the start of the dark cycle. Following establishment of baseline drinking, two male mice representative of each strain were separated into two groups to be exposed to either weekly cycles of CIE exposure (CIE group) or air control (AIR group) exposure. Mice assigned to the CIE treatment group were exposed to alcohol vapor for 16 h a day followed by 8 h of withdrawal for 4 days. Following the fourth vapor exposure, mice were given a 72-h abstinence period before resuming ethanol intake in the home cage for 5 days. Mice in the AIR control treatment group were similarly treated but exposed only to air in the inhalation chambers. This pattern of CIE or air control exposure followed by 5 days of ethanol self-administration was repeated for four cycles. A fifth cycle of CIE (or air) exposure followed the fourth ethanol intake evaluation period, and brain tissue was collected 72 h after the last cycle ended. To capture expression patterns due to region, strain, and treatment or their interactions, we applied a linear model to the expression data: y ∼ Treatment + Strain + Tissue + Treatment*Strain + Treatment*Region (Supplemental Table 4).
Authors:
Megan K Mulligan, Khyobeni Mozhui, Ashutosh K Pandey, Maren L Smith, Suzhen Gong, Jesse Ingels, Michael F Miles, Marcelo F Lopez, Lu Lu, Robert W Williams
DEG effect of brain region 72hrs post-CIE (C57 and D2) (p < 0.01)_pvalue
Description:
Male C57BL/6J and DBA/2J mice (10 weeks old upon arrival) were purchased from the Jackson Laboratory and assigned to either the air control or CIE group (N = 1 per strain/ treatment). Treatment was coded as 0 for AIR and 1 for CIE, 0 for B6 and 1 for D2. Regions were collapsed into three groups based on the PCA clustering and coded as 0 for hippocampus (CA1 and CA3 regions), 1 for cortex (Prl, ILC, and VCX), and 2 for the remaining subcortical and limbic and mesolimbic tissue (VTA, NAc, NAs, DMS, CeA, and BST). The final data set included 11 brain regions and 87 samples. Mice were allowed to self-administer alcohol (15% v/v vs. water) for 2 h a day (5 days a week) 6 weeks prior to treatment in order to establish baseline consumption. Access to 15% alcohol versus water started 30 min prior to the start of the dark cycle. Following establishment of baseline drinking, two male mice representative of each strain were separated into two groups to be exposed to either weekly cycles of CIE exposure (CIE group) or air control (AIR group) exposure. Mice assigned to the CIE treatment group were exposed to alcohol vapor for 16 h a day followed by 8 h of withdrawal for 4 days. Following the fourth vapor exposure, mice were given a 72-h abstinence period before resuming ethanol intake in the home cage for 5 days. Mice in the AIR control treatment group were similarly treated but exposed only to air in the inhalation chambers. This pattern of CIE or air control exposure followed by 5 days of ethanol self-administration was repeated for four cycles. A fifth cycle of CIE (or air) exposure followed the fourth ethanol intake evaluation period, and brain tissue was collected 72 h after the last cycle ended. To capture expression patterns due to region, strain, and treatment or their interactions, we applied a linear model to the expression data: y ∼ Treatment + Strain + Tissue + Treatment*Strain + Treatment*Region (Supplemental Table 4). At a nominal p value (p < 0.01), most expression differences are due to the effect of region (5464 unique genes) or strain (1111 unique genes). Differences due to effect of region or strain are reflected in this gene set (p < 0.01).
Authors:
Megan K Mulligan, Khyobeni Mozhui, Ashutosh K Pandey, Maren L Smith, Suzhen Gong, Jesse Ingels, Michael F Miles, Marcelo F Lopez, Lu Lu, Robert W Williams
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