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
Ethanol Induced Hypothermia Chr# 7 rs13479153(25722935) with right flanking marker rs3700068(4187548) and left marker rs3716088(140189839). This was mapped in 300 + (b6x129)F2 mice.
BECs at LORR Recovery Chr# 7 rs13479145(19988355) with right flanking marker rs6384973(5036805) and left marker rs3663313 (63388111). This was mapped in 300 + (b6x129)F2 mice.
Average rotarod training latency Chr# 7 mCV23423763(68111945) with right flanking marker rs3700068(4187548) and left marker rs3663988(146505067). This was mapped in 300 + (b6x129)F2 mice.
Ethanol Induced Ataxia Chr#17 rs3672987(33247165) with right flanking marker rs4136382(3388912) and left marker rs3715723(58810428). This was mapped in 300 + (b6x129)F2 mice.
Gene expression correlation with morphine response in BXD mice
Description:
Dataset represents the correlation between gene expression in prefrontal cortex from GeneNetwork dataset DOD BXD PFC GWI CTL RNA-seq ComB (Dec19) TPM Log2 with GeneNetwork dataset for BXD mice labeled as: Central nervous system, pharmacology, behavior: Morphine response (50 mg/kg ip), locomotion (open field) from 45-60 min after injection in an activity chamber for males [cm] with peak at Chr10: 5.636905. Data shown here are p-adjusted values < 0.05.
DEG PFC in adolescent D2 mice 24hr post treatment M v F_pvalue
Description:
DBA/2J males and females (n = 24/sex) were orally dosed with 4 g/kg ethanol (25% w/v in water by gavage) or water intermittently (2 days on/2 days off) on PND 29, 30, 33, 34, 37, 38, 41, and 42. Tissue was collected for gene expression studies at PND 43 (n = 22) and PND 66 (n = 19). Behaviorally naïve tissue from the PFC was collected 24 h (at PND 43) and 3 weeks (at PND 66) after the last ethanol binge (dose). Total RNA was analyzed for gene-level expression differences using Mouse Transcriptome Arrays v1.0. Two complementary analyses were conducted to interrogate differential gene expression at each age. Gene Ontology over-representation analysis identified six categories involved in oligodendrocyte development and myelination as the primary Biological Processes altered by adolescent binge ethanol. For transcript IDs significant for the interaction between sex and adolescent treatment, Gene Ontology analysis only identified two over-represented cellular components: ER chaperone component and smooth ER. When comparing gene expression between adolescent males vs. females, most of the differentially expressed genes either resided on the Y chromosome (Ddx3y, Eif2s3y, Kdm5d, Uty), or are known to escape X-inactivation (Ddx3x, Eif2s3x, Kdm5c, Kdm6a) in mice (Yang et al., 2010). Over-represented Gene Ontology categories (Supplementary Table 2) reflect their processes, such as histone demethylase activity, angiotensin catabolic processes in blood, cell adhesion and regulation of gap junction assembly. Genes in this geneset are all significantly altered as a main effect of treatment, sex, or the interaction between treatment and sex (p < 0.01).
Authors:
Jennifer T Wolstenholme, Tariq Mahmood, Guy M Harris, Shahroze Abbas, Michael F Miles
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