MicroRNA对神经管闭合的调节-猫眼课题宝

MicroRNA对神经管闭合的调节

批准号：

10352211

负责人：

RICHARD H. FINNELL

金额：

$56.93万

依托单位：

BAYLOR COLLEGE OF MEDICINE

依托单位国家：

美国

项目类别：

财政年份：

2020

资助国家：

美国

项目状态：

未结题

起止时间：

2020-03-10 至 2025-02-28

来源：

https://reporter.nih.gov/project-details/10352211

关键词：

ATAC-seq Cell Nucleus Cells Chicken Model Chickens Chromatin Cilia Congenital Abnormality Critical Pathways Data Defect Development Diagnosis Ectoderm Embryo Erinaceidae Evolution Expression Profiling Family Gene Expression Gene Silencing Genes Genetic Genetic Transcription Genomic DNA Goals Histologic Human In Situ In Vitro Infant Intervention Knock-out Knockout Mice Ligation Link Maps Messenger RNA MicroRNAs Molecular Mus Mutate Mutation Neural Tube Closure Neural Tube Defects Neural Tube Development Neural tube Neuroepithelial Neuroepithelial Cells Nuclear Organoids Pathogenicity Pathway interactions Patients Phenotype Play Prevalence Process Public Health Regulation Regulatory Element Reporter Research Resolution Role SOX1 gene Sampling Small RNA Structural Congenital Anomalies Structure System Testing Transcript Untranslated RNA Variant Wild Type Mouse Work base cell type cohort developmental disease embryonic stem cell exome sequencing experimental study folic acid supplementation genome sequencing human embryonic stem cell human model improved in vivo insight loss of function mouse model nerve stem cell neuroepithelium neuroregulation novel planar cell polarity pluripotency prenatal prevent programs relating to nervous system single cell analysis single-cell RNA sequencing smoothened signaling pathway transcriptome sequencing virtual whole genome

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中文摘要

翻译

这个项目的目标是确定神经管关闭的分子机制。神经管缺陷（NTDs）是人类最常见的先天性结构畸形之一。在这个项目中，我们重点关注多能性中高度表达的microRNA家族，即miR-302，它在神经管关闭过程中发挥着关键作用。使用遗传功能丧失的小鼠，鸡和人类模型，我们发现miR-302是防止神经上皮早熟分化所必需的。此外，我们目前的数据表明，miR- 302在人类神经管闭合缺陷中发生突变。该项目将深入了解神经管发育的最早阶段，并告知我们对microRNA如何控制这一关键过程的理解。

英文摘要

The goal of this project is to define the molecular mechanisms governing neural tube closure. Neural tube defects (NTDs) are amongst the most common human structural congenital malformations. In this project, we focus on a highly expressed microRNA family in pluripotency, miR-302, which plays a critical role during neural tube closure. Using genetic loss-of-function mouse, chicken and human models, we find that miR-302 is required to prevent precocious differentiation of the neuroepithelium. Additionally, we present data suggesting that miR- 302 is mutated in humans with neural tube closure defects. This project will provide insight into the earliest stages of neural tube development and inform our understanding of how microRNAs control this critical process.

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