Mouse Fecal Microbiome
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ABSTRACT:
PROVIDER: PRJNA1028308 | ENA |
REPOSITORIES: ENA
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Project description:Dynamic remodeling in architecture and function of mammalian brain, especially in primate, rely on a precisely orchestrated molecular and cellular regulation at distinct levels. Here, we applied comprehensive RNA-seq and CAGE-Seq analysis to characterize dynamics of lncRNA expression in Rhesus macaque brain across postnatal development and aging. We identified 18 anatomically diverse lncRNA modules and 14 mRNA modules representing spatial, age and sex specificities respectively. Highly spatiotemporal- and sex-specific dynamic changes in lncRNA but mRNA expression and the negative correlation between lncRNAs and mRNAs, functionally associate with brain development and aging, especially in the neocortex. Together with in situ hybridization (ISH) and quantitative real time-PCR (qRT-PCR) data, our findings provide an initial insight into spatial-, age- and sex-related dynamics of lncRNA expression during postnatal brain development and aging in macaque, implying that high dynamics of lncRNA expression might represent a previously unappreciated regulatory system in shaping brain architecture and function.
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Project description:Dynamic remodeling in architecture and function of mammalian brain, especially in primate, rely on a precisely orchestrated molecular and cellular regulation at distinct levels. Here, we applied comprehensive RNA-seq and CAGE-Seq analysis to characterize dynamics of lncRNA expression in Rhesus macaque brain across postnatal development and aging. We identified 18 anatomically diverse lncRNA modules and 14 mRNA modules representing spatial, age and sex specificities respectively. Highly spatiotemporal- and sex-specific dynamic changes in lncRNA but mRNA expression and the negative correlation between lncRNAs and mRNAs, functionally associate with brain development and aging, especially in the neocortex. Together with in situ hybridization (ISH) and quantitative real time-PCR (qRT-PCR) data, our findings provide an initial insight into spatial-, age- and sex-related dynamics of lncRNA expression during postnatal brain development and aging in macaque, implying that high dynamics of lncRNA expression might represent a previously unappreciated regulatory system in shaping brain architecture and function.
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Project description:The heart is one of the least regenerative organs in humans, and heart disease is the leading cause of death worldwide. Understanding the cellular and molecular processes during cardiac wound healing is an essential prerequisite to reduce health burden and improve cardiac function after myocardial tissue damage. By integrating single-cell RNA-sequencing with imaging-based spatial transcriptomics, we reconstructed the spatiotemporal dynamics of the fibrotic niche after ventricular injury in adult mice. Our analysis revealed dynamic regulation of local cell communication niches over time. We identified interactions that regulate cardiac repair, including fibroblast proliferation silencing by Trem2high macrophages that prevents excessive fibrosis. Moreover, we discovered a rare population of dedifferentiating cardiomyocytes early post-lesioning repair, sustained by signals from myeloid and lymphoid cells. Culturing non-regenerative mouse cardiomyocytes or human heart tissue with these niche factors reactivated progenitor gene expression and cell cycle activity. In summary, this spatiotemporal cell type atlas offers valuable insights into the heterocellular interactions that control cardiac repair.
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