{"database": "metadata", "table": "run_metadata", "rows": [[11238, "ERR10782555", "ERX10233132", "ERS14439197", "ERP144048", "PRJEB58983", "RNA seq of zebrafish embryos to investigate how Rbm8a deficiency akin to TAR Syndrome causes hematopoietic defects by modulating Wnt/PCP signaling", "E-MTAB-12503", "Transcriptome Analysis", "Defects in blood development are a major contributor to complex congenital anomalies. Thrombocytopenia Absent Radius TAR Syndrome is a rare congenital disease presenting with reduced blood platelets megakaryocytic thrombocytopenia and forelimb anomalies  concurrent with variable heart and kidney defects caused by hypomorphic RBM8A/Y14 gene function. RBM8A encodes a component of the ubiquitous exon junction complex involved in mRNA splicing  transport  and nonsense mediated decay. How perturbing a general mRNA processing factor causes the distinct phenotypes of TAR Syndrome remains unknown. Here  we connect zebrafish rbm8a perturbation to early hematopoiesis defects via attenuated planar cell polarity PCP signaling involved in controlling developmental cell arrangements. Combining different genetic means to reduce rbm8a function  we find a significant reduction of cd41 positive thrombocytes in hypomorphic rbm8a larvae. Transcriptomics analysis documents rbm8a mutant zebrafish embryos already post gastrulation accumulate mRNAs with erroneously included introns  a hallmark of defective nonsense mediated decay. Affected mRNAs include transcripts encoding components of the non canonical Wnt pathway involved in PCP signaling  and rbm8a mutant embryos show hallmarks of Wnt/PCP dependent  early convergent extension defects. We establish that reduced rbm8a function synergizes with perturbations in Wnt/PCP pathway genes including wnt5b  wnt11f2  fzd7a  and vangl2. Following axis formation  rbm8a perturbation impairs the migration and architecture of the lateral plate mesoderm LPM  that forms the hematopoietic  cardiovascular  kidney  and forelimb skeleton progenitors. Subsequently  rbm8a perturbation impairs expression of early hematopoietic/endothelial genes including runx1a  kdrl  sox7  and the megakaryocyte regulator gfi1aa. Lastly  we document similar hematopoietic defects upon loss of vangl2. Together  our data link reduced rbm8a function to LPM migration and hematopoietic defects via attenuated Wnt/PCP signaling. Our findings establish a developmental framework that connects the complex TAR Syndrome phenotypes to a potential LPM origin.", "ENA FIRST PUBLIC:2023 03 31|ENA LAST UPDATE:2023 03 31", null, "Protocols: Zebrafish embryos were collected at indicated developmental stages tailbud stage and 24 hpf. Total RNA was isolated from genotype defined  pooled embryos by Trizol LS extraction as per manufacturer\u00e2\u20ac\u2122s guidelines Invitrogen  with final precipitation using 70% Ethanol. Libraries for sequencing were generated with the TruSeq RNA Sample Preparation kit Illumina.", "Sample 6", "E MTAB 12503:Sample 6", null, "strain:mixed AB and Tubingen|ENA FIRST PUBLIC:2023 03 31|individual:20170530.A 6|organism:Danio rerio|organism:Danio rerio|ENA LAST UPDATE:2023 03 31|scientific name:Danio rerio|common name:zebrafish|organism part:embryo|age:10|developmental stage:bud|genotype:wild type genotype|ENA FIRST PUBLIC:2023 03 31|ENA LAST UPDATE:2023 03 31", null, null, null, null, null, null, null, null, "Illumina HiSeq 4000 paired end sequencing; RNA seq of zebrafish embryos to investigate how Rbm8a deficiency akin to TAR Syndrome causes hematopoietic defects by modulating Wnt/PCP signaling", "E MTAB 12503:Sample 6 p", "Sample 6 p", "RNA seq of zebrafish embryos to investigate how Rbm8a deficiency akin to TAR Syndrome causes hematopoietic defects by modulating Wnt/PCP signaling", "Zebrafish embryos were collected at indicated developmental stages tailbud stage and 24 hpf. Total RNA was isolated from genotype defined  pooled embryos by Trizol LS extraction as per manufacturer\u00e2\u20ac\u2122s guidelines Invitrogen  with final precipitation using 70% Ethanol. Libraries for sequencing were generated with the TruSeq RNA Sample Preparation kit Illumina.", "Experimental Factor: developmental stage:bud|Experimental Factor: genotype:wild type genotype", "RNA-Seq", "TRANSCRIPTOMIC SINGLE CELL", "RANDOM", "PAIRED", "ILLUMINA", "Illumina HiSeq 4000", null, "ERP144048", "Illumina HiSeq 4000 paired end sequencing; RNA seq of zebrafish embryos to investigate how Rbm8a deficiency akin to TAR Syndrome causes hematopoietic defects by modulating Wnt/PCP signaling", "ENA FIRST PUBLIC:2023 03 31|ENA LAST UPDATE:2023 03 31", "20170530.A-6_R1.fastq.gz 20170530.A-6_R2.fastq.gz", "fastq fastq", 14809693138.0, 49038719.0, "E MTAB 12503:20170530.A 6 R", "0:151 1:151", "A:4069749497;C:3367864217;G:3430269434;T:3928390721;N:13419269", 151, 151, null, null, 4069749497, 3367864217, 3430269434, 3928390721, 13419269, "ERX10233132", "ERS14439197", "ERA20162442", "University of Zurich|European Nucleotide Archive", "University of Zurich|European Nucleotide Archive", 2, 0.83945, 0.69977, 0.27269, 0.22488, 0.74523, 0.77654, 0.4899, 0.4358, 151, 151, "B", "B", "biological fallback assumption", "illumina", "hiseq_era", "unknown", "random_priming", "trueseq", "sc", "unknown", "unknown", null, "Switzerland", "2023-03-31", "Multi-stage", "Embryo", "Whole Organism", "All anatomical structures"]], "columns": ["rowid", "run.accession", "experiment.accession", "sample.accession", "study.accession", "bioproject", "study.title", "study.alias", "study.type", "study.abstract", "study.attributes", "study.PMIDs", "sample.description", "sample.title", "sample.alias", "sample.centername", "sample.attributes", "GEOsample.title", "GEOsample.dataprocessing", "GEOsample.source", "GEOsample.treatmentprotocol", "GEOsample.extractprotocol", "GEOsample.growthprotocol", "GEOsample.characteristics", "GEOsample.accession", "experiment.title", "experiment.alias", "experiment.library_name", "experiment.design_description", "experiment.library_construction_protocol", "experiment.attributes", "experiment.library_strategy", "experiment.library_source", "experiment.library_selection", "experiment.library_layout", "experiment.platform", "experiment.instrument_model", "experiment.spot_descriptor", "experiment.study_ref", "run.title", "run.attributes", "run.filename", "run.semantic_name", "run.total_bases", "run.total_spots", "run.alias", "run.read_lengths", "run.base_counts", "run.r1_length", "run.r2_length", "run.r3_length", "run.r4_length", "run.Acount", "run.Ccount", "run.Gcount", "run.Tcount", "run.Ncount", "run.experiment", "run.pool_member", "submission.accession", "submission.srasource", "submission.bioprojectsource", "seqdetective.n_mates", "seqdetective.mapping_rate.mate1", "seqdetective.mapping_rate.mate2", "seqdetective.nofeature_rate.mate1", "seqdetective.nofeature_rate.mate2", "seqdetective.sparsity.mate1", "seqdetective.sparsity.mate2", "seqdetective.pos_strand_rate.mate1", "seqdetective.pos_strand_rate.mate2", "seqdetective.readlen.mate1", "seqdetective.readlen.mate2", "seqdetective.judgement.mate1", "seqdetective.judgement.mate2", "seqdetective.judgement.reason", "platform_family", "instrument_generation", "read_bias", "selection_class", "prep_kit", "sc_or_bulk", "tech_class", "technology", "tech_variant", "submission.bioprojectsource.country", "earliest_date", "devstage_curation", "devstage_curation_coarse", "tissue_curation", "tissue_curation_coarse"], "primary_keys": ["rowid"], "primary_key_values": ["11238"], "units": {}, "query_ms": 8.661561001645168}