Single cell RNA-seq of E8.5 mouse embryonic craniofacial tissues
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ABSTRACT:
PROVIDER: PRJNA707015 | ENA |
REPOSITORIES: ENA
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Project description:We describe a so far uncharacterized, embryonic and self-renewing Neural Plate Border Stem Cell (NBSC) population with the capacity to differentiate into central nervous and neural crest lineages. NBSCs can be obtained by neural transcription factor-mediated reprogramming (BRN2, SOX2, KLF4, and ZIC3) of human adult dermal fibroblasts and peripheral blood cells (induced Neural Plate Border Stem Cells, iNBSCs) or by directed differentiation from human induced pluripotent stem cells (NBSCs). Moreover, human (i)NBSCs share molecular and functional features with primary Neural Plate Border Stem Cells (pNBSCs) isolated from neural folds of E8.5 mouse embryos. Here we provide single cell RNA-sequencing data of neural tissue derived from two E8.5 mouse embryos. After manual isolation and enzymatic separation E8.5 neural tissue was single cell sorted and RNA sequencing was performed following the Smart-seq2 protocol. In sum, cultured pNBSCs and E8.5 neural tube cells share a similar regional identity and expression signature suggesting that pNBSCs might correspond to an endogenous progenitor in this area of the developing brain.
2018-12-20 | E-MTAB-6912 | biostudies-arrayexpress
Project description:We report gene expression patterns in embryonic mice (E8.5, E9.5, E10.5) through RNA-seq of 13 tissue/stage combinations in order to generage an atlas of early mouse craniofacial gene expression. Embryos at E8.5, E9.5, and E10.5 CD1 were collected from CD1 mice, fom multiple micro-regions whose development, differentiation and signaling are responsible for the construction of the mammalian face.
2014-03-18 | E-GEOD-55966 | biostudies-arrayexpress
Project description:We report gene expression patterns in embryonic mice (E8.5, E9.5, E10.5) through RNA-seq of 13 tissue/stage combinations in order to generage an atlas of early mouse craniofacial gene expression.
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Project description:Single cell RNA-sequencing of E8.5 stage, embryonic neural tissue from mouse
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Project description:Laser capture microdissection (LCM) was used to isolate cells from the principal critical micro-regions, whose development, differentiation and signaling interactions are responsible for the construction of the mammalian face. At E8.5, as migrating neural crest cells begin to exit the neural fold/epidermal ectoderm boundary, we examined the facial mesenchyme, composed of neural crest and paraxial mesoderm cells, as well as cells from adjacent neuroepithelium We performed single cell studies to better define the gene expression states of the early E8.5 pioneer neural crest cells and paraxial mesoderm, and present microarray data detailing expression patterns within these embryonic cell populations. Mouse emrbyos were harvested at developmental stage E8.5 and single cells were captured from the neuroepithilium, neural crest, and paraxial mesoderm. RNA was extracted, labelled, and quantified using the Mouse ST-l microarray.
2014-03-18 | E-GEOD-55964 | biostudies-arrayexpress
Project description:A majority of craniofacial development occurs early in pregnancy and to fully understand how craniofacial defects arise, it is essential to observe gene expression during this critical time period. To address this, we performed bulk and single-cell RNA-seq on human craniofacial tissue from embryonic development -4 to 8 weeks post conception. To observe how genes are organized in this system, we have constructed co-expression networks from the bulk RNA-seq. Strong disease candidates are likely genes that are co-expressed with many other genes, serving as regulatory hubs within these networks. We have identified 29 modules of co-expressed genes and ~1800 hub genes and found enrichment of craniofacial relevant biology suggesting that these networks could reveal new disease genes and potential targets of previously identified disease genes. We leveraged large functional genomics databases including GTEx and GnomAD to reveal genes that are specifically expressed in craniofacial tissue. We integrate these data with our co-expression networks in order to prioritize the genes in this study. Our analysis revealed 268 novel or underappreciated disease candidate genes.
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Project description:Transcriptomic Atlas of Embryonic Human Craniofacial Development
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Project description:The genetic basis of craniofacial birth defects and general variation in human facial shape remains poorly understood. Distant-acting transcriptional enhancers are a major category of non-coding genome function and have been shown to control the fine-tuned spatiotemporal expression of genes during critical stages of craniofacial development. However, a lack of accurate maps of the genomic location and cell type-specific in vivo activities of all craniofacial enhancers prevents their systematic exploration in human genetics studies. Here, we combined transcriptome, histone modification, and chromatin accessibility profiling from different stages of human craniofacial development with single-cell analyses of the developing mouse face to create a comprehensive catalogue of the regulatory landscape of facial development at tissue- and single cell-resolution. In total, we identified approximately 14,000 enhancers across seven developmental stages from weeks 4 through 8 of human embryonic face development. To annotate the cell type specificity of human-mouse conserved enhancers, we performed single-cell RNA-seq and single-nucleus ATAC-seq of mouse craniofacial tissues from embryonic days e11.5 to e15.5. By integrating across these data sets, we identify major cell populations of the developing face and annotate over 16,000 candidate enhancers by their cell type-specific epigenomic profile. Using retrospective analysis of known craniofacial enhancers in combination with single cell-resolved transgenic reporter assays, we show the value of these data for the prediction of in vivo cell type specificity. Taken together, our data provide a critical resource for genetic and developmental studies of human craniofacial development.
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Project description:The genetic basis of craniofacial birth defects and general variation in human facial shape remains poorly understood. Distant-acting transcriptional enhancers are a major category of non-coding genome function and have been shown to control the fine-tuned spatiotemporal expression of genes during critical stages of craniofacial development. However, a lack of accurate maps of the genomic location and cell type-specific in vivo activities of all craniofacial enhancers prevents their systematic exploration in human genetics studies. Here, we combined transcriptome, histone modification, and chromatin accessibility profiling from different stages of human craniofacial development with single-cell analyses of the developing mouse face to create a comprehensive catalogue of the regulatory landscape of facial development at tissue- and single cell-resolution. In total, we identified approximately 14,000 enhancers across seven developmental stages from weeks 4 through 8 of human embryonic face development. To annotate the cell type specificity of human-mouse conserved enhancers, we performed single-cell RNA-seq and single-nucleus ATAC-seq of mouse craniofacial tissues from embryonic days e11.5 to e15.5. By integrating across these data sets, we identify major cell populations of the developing face and annotate over 16,000 candidate enhancers by their cell type-specific epigenomic profile. Using retrospective analysis of known craniofacial enhancers in combination with single cell-resolved transgenic reporter assays, we show the value of these data for the prediction of in vivo cell type specificity. Taken together, our data provide a critical resource for genetic and developmental studies of human craniofacial development.
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