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Sample GSM7774493 Query DataSets for GSM7774493
Status Public on Nov 02, 2023
Title MO-1065.1G.N
Sample type SRA
 
Source name brain
Organism Rattus norvegicus
Characteristics tissue: brain
cell line: brain primary cell line
cell type: Neural Progenitor Cell
strain: Sprague Dawley
treatment: 1Gy 5uM Noggin
Treatment protocol The effect of radiation on NSp growth and differentiation was measured after 0 and 1 Gy photon radiation (day=3 after NPCs seeding) with a CellRad+ benchtop X-ray irradiator (Precision). 5uM of Noggin and 200uM Ascobic Acid as tretament pre and post radiation exposure
Growth protocol Neural progenitor cells were isolated from the brain of E15 Sprague Dawley rat fetuses and cultured in NeuroCult basal medium supplemented with 1% Pen/Strep, 1X N-2 supplement, 1X B-27 supplement, 20ng/mL human epidermal growth factor, 20ng/mL human fibroblast growth factor, and 1:500 dilution of 0.2% heparin solution in ultra-low attachment microplates where they spontaneously form spheroids (neurospheres)
Extracted molecule total RNA
Extraction protocol RNA was extracted from Neurospheres using TRIzol and pipet homogenization. Glycogen was added to the TRIzol sample after homogenization to aid in RNA recovery.  RNA quantification was assessed using Epoch Biotek spectrophotometer (Biotek Instruments, Winooski, Vermont)
RNA was QC analyzed by Bioanalyzer (Agilent, Santa Clara, CA). To isolate polyA RNA for library preparation, NEBNext Poly(A) mRNA Magnetic Isolation Module (New England BioLabs, Ipswich, MA) was used with 1 µg good quality total RNA as input.
The polyA RNA was enriched using SMARTer Apollo automated NGS library prep system (Takara Bio USA, Mountain View, CA). Next, NEBNext Ultra II Directional RNA Library Prep kit (New England BioLabs) was used for library preparation under PCR cycle number of 8
 
Library strategy RNA-Seq
Library source transcriptomic
Library selection cDNA
Instrument model NextSeq 2000
 
Description TPM_NPC.txt
TPM_NPC_outlierRemoved.txt
Data processing Paired-end reads were aligned to rat genome build Rn7 with STAR v2.6.1
Kallisto was used to generate TPM which were then processed through NOISeq v2.42.0 for batch correction. One outlier sample was identified from the Control treatment group (MO2) and was removed from further analysis.
AltAnalyze v2.1.4.4 (EnsMart106 database) was then used for differential expression analysis on the batch corrected data matrix.
The AltAnalyze supplied empirical Bayes moderated t-test was performed followed by Benjamini-Hochberg adjustment for false discovery (FDR).
Final threshold cutoffs were an adjusted p-value < 0.05 (FDR) and fold change ≥ 1.5. GO and KEGG pathway enrichment was also performed in AltAnalyze using the integrated GO-Elite pathway analysis tool
Assembly: Rn7
Supplementary files format and content: TPM_NPC.txt tab delimited file containing Gene-level Transcript Per Million (TPM) estimates before outlier removal
Supplementary files format and content: TPM_NPC_outlierRemoved.txt tab delimited file containing Gene-level Transcript Per Million (TPM) estimates after outlier removal
 
Submission date Sep 11, 2023
Last update date Nov 02, 2023
Contact name Nathan Salomonis
E-mail(s) nathan.salomonis@cchmc.org
Organization name Cincinnati Children's Hospital
Department Biomedical Informatics
Lab Nathan Salomonis
Street address 3333 Burnet Avenue
City Cincinnati
State/province OH
ZIP/Postal code 45229
Country USA
 
Platform ID GPL32190
Series (1)
GSE242899 Effect of radiation exposure on gene expression in neurospheres
Relations
BioSample SAMN37352150
SRA SRX21751781

Supplementary data files not provided
SRA Run SelectorHelp
Raw data are available in SRA

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