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Related Concept Videos

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Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After...
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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
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Related Experiment Video

Updated: Apr 28, 2026

Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes
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Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes

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MicroRNAs in central nervous system development.

Néstor F Díaz, Mónica S Cruz-Reséndiz, Héctor Flores-Herrera

    Reviews in the Neurosciences
    |June 6, 2014
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    Summary
    This summary is machine-generated.

    MicroRNAs (miRNAs) are essential molecules regulating embryo development. This review focuses on their biogenesis, function, and critical roles in central nervous system (CNS) development and ectoderm commitment.

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    Preparation of Small RNA Libraries for Sequencing from Early Mouse Embryos
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    Preparation of Small RNA Libraries for Sequencing from Early Mouse Embryos

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    Area of Science:

    • Developmental Biology
    • Molecular Biology
    • Neuroscience

    Background:

    • Embryonic development relies on precise spatial and temporal molecular signaling.
    • MicroRNAs (miRNAs) are key regulators expressed in specific patterns during development.
    • Understanding miRNA roles is crucial for comprehending organism formation.

    Purpose of the Study:

    • To review miRNA biogenesis and function.
    • To highlight miRNA involvement in ectoderm commitment.
    • To detail the role of specific, well-studied miRNAs in central nervous system (CNS) development.

    Main Methods:

    • Literature review focusing on prominent miRNAs in CNS development.
    • Identification of key mRNA targets for discussed miRNAs.
    • Summary of associated protein functions.

    Main Results:

    • miRNAs are integral to developmental processes, including CNS formation.
    • Specific miRNAs and their targets significantly influence ectoderm differentiation.
    • Key miRNAs and their functions in CNS development are elucidated.

    Conclusions:

    • miRNAs are essential regulators of neurodevelopment.
    • This review provides insights into critical miRNAs, their targets, and functions in CNS development.
    • Further research into miRNA mechanisms can advance understanding of developmental disorders.