<HashMap><database>biostudies-arrayexpress</database><scores/><additional><submitter>Daniel Finke</submitter><organism>Rattus norvegicus</organism><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/E-MTAB-16326</full_dataset_link><description>One proposed molecular mechanism of Doxorubicin-induced cardiotoxicity is the induction of double-strand breaks. Topoisomerase IIb (TopoIIb) binding is dependent on DNA damage. We hypothesized to find novel genomic targets of Doxorubicin-induced cardiotoxixity by identifying differential TopoIIb targets after Doxorubin treatment in cardiomyocytes. Therefore, neonatal rat cardiomyocytes (NRVM) were treated with Doxorubin (1µM for 3h).</description><repository>biostudies-arrayexpress</repository><sample_protocol>Sample Collection - Neonatal rat hearts (P1) get extracted from the neonates and the left ventricle of each animal is further processed. They get digested in a pancreatin solution at 37°C. Every 15min the supernated is removed and the cells are pelleted at 1000rpm. The reaction is stopped by addition of full culture medium. All the cells are finally collected and myocytes are selected by a percoll gradient. Cells are plated in petri dishes at 10 million cells per plate.</sample_protocol><sample_protocol>Nucleic Acid Extraction - Neonatal rat hearts (P1) get extracted from the neonates and the left ventricle of each animal is further processed. They get digested in a pancreatin solution at 37°C. Every 15min the supernated is removed and the cells are pelleted at 1000rpm. The reaction is stopped by addition of full culture medium. All the cells are finally collected and myocytes are selected by a percoll gradient. Cells are plated in petri dishes at 10 million cells per plate.</sample_protocol><sample_protocol>Sequencing - Libraries are prepared according to the manufacture's protocol (NEBNext® ChIP-Seq Library Prep Master Mix Set for Illumina)</sample_protocol><sample_protocol>Library Construction - Libraries are prepared according to the manufacture's protocol (NEBNext® ChIP-Seq Library Prep Master Mix Set for Illumina)</sample_protocol><figure_sub>Organization</figure_sub><figure_sub>MINSEQE Score</figure_sub><figure_sub>Assays and Data</figure_sub><figure_sub>Processed Data</figure_sub><figure_sub>MAGE-TAB Files</figure_sub><data_protocol>Data Transformation - Libraries are prepared according to the manufacture's protocol (NEBNext® ChIP-Seq Library Prep Master Mix Set for Illumina)</data_protocol><omics_type>Metabolomics</omics_type><omics_type>Unknown</omics_type><omics_type>Transcriptomics</omics_type><omics_type>Genomics</omics_type><omics_type>Proteomics</omics_type><instrument_platform>Illumina HiSeq 2000</instrument_platform><study_type>RNA-seq of coding RNA</study_type><species>Rattus norvegicus</species><pubmed_authors>Daniel Finke</pubmed_authors></additional><is_claimable>false</is_claimable><name>TopoIIb ChIP-seq in Doxorubicin-treated neonatal rat cardiomyocytes</name><description>One proposed molecular mechanism of Doxorubicin-induced cardiotoxicity is the induction of double-strand breaks. Topoisomerase IIb (TopoIIb) binding is dependent on DNA damage. We hypothesized to find novel genomic targets of Doxorubicin-induced cardiotoxixity by identifying differential TopoIIb targets after Doxorubin treatment in cardiomyocytes. Therefore, neonatal rat cardiomyocytes (NRVM) were treated with Doxorubin (1µM for 3h).</description><dates><release>2026-08-17T00:00:00Z</release><modification>2026-08-17T01:00:42.119Z</modification><creation>2025-12-19T14:16:38.72Z</creation></dates><accession>E-MTAB-16326</accession><cross_references><ENA>ERP186841</ENA><EFO>EFO_0002944</EFO><EFO>EFO_0004170</EFO><EFO>EFO_0005518</EFO><EFO>EFO_0003816</EFO><EFO>EFO_0003738</EFO><EFO>EFO_0004184</EFO></cross_references></HashMap>