MorphoGlia是一种识别和绘制小胶质细胞形态的互动方法,显示了阿尔茨海默病小鼠模型海马亚区的差异。

IF 4.2 3区 医学 Q2 NEUROSCIENCES Frontiers in Cellular Neuroscience Pub Date : 2024-12-03 eCollection Date: 2024-01-01 DOI:10.3389/fncel.2024.1505048
Juan Pablo Maya-Arteaga, Humberto Martínez-Orozco, Sofía Diaz-Cintra
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引用次数: 0

摘要

小胶质细胞是一种动态中枢神经系统细胞,对维持体内平衡和应对神经炎症至关重要,其形态各异。由于现有的形态学分析依赖于预定义的分类,因此往往无法检测到小胶质细胞形态学全谱内的细微变化。在这里,我们提出MorphoGlia,一个互动的,用户友好的管道,客观表征小胶质细胞形态。MorphoGlia使用机器学习集成来选择小胶质细胞的相关形态特征,执行降维,聚集这些特征,随后将聚集的细胞映射回组织,为已识别的小胶质细胞形态提供空间背景。我们应用这个管道来比较盐水溶液(SS)和东莨菪碱(SCOP)组在scopo诱导的阿尔茨海默病小鼠模型中的反应,特别关注海马亚区CA1和Hilus。接下来,我们评估了四组的小胶质细胞形态:SS-CA1, scopo - ca1, SS-Hilus和scopo - hilus。结果表明,在SS和scopp处理组之间,MorphoGlia有效分化,鉴定出SCOP组中与促炎状态相关的不同小胶质细胞形态学簇。此外,MorphoGlia可以对这些簇进行空间映射,确定受影响最大的海马层。本研究强调了MorphoGlia能够提供小胶质细胞形态状态的无偏分析和聚类,使其成为探索小胶质细胞异质性及其对中枢神经系统病理的影响的有价值的工具。
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MorphoGlia, an interactive method to identify and map microglia morphologies, demonstrates differences in hippocampal subregions of an Alzheimer's disease mouse model.

Microglia are dynamic central nervous system cells crucial for maintaining homeostasis and responding to neuroinflammation, as evidenced by their varied morphologies. Existing morphology analysis often fails to detect subtle variations within the full spectrum of microglial morphologies due to their reliance on predefined categories. Here, we present MorphoGlia, an interactive, user-friendly pipeline that objectively characterizes microglial morphologies. MorphoGlia employs a machine learning ensemble to select relevant morphological features of microglia cells, perform dimensionality reduction, cluster these features, and subsequently map the clustered cells back onto the tissue, providing a spatial context for the identified microglial morphologies. We applied this pipeline to compare the responses between saline solution (SS) and scopolamine (SCOP) groups in a SCOP-induced mouse model of Alzheimer's disease, with a specific focus on the hippocampal subregions CA1 and Hilus. Next, we assessed microglial morphologies across four groups: SS-CA1, SCOP-CA1, SS-Hilus, and SCOP-Hilus. The results demonstrated that MorphoGlia effectively differentiated between SS and SCOP-treated groups, identifying distinct clusters of microglial morphologies commonly associated with pro-inflammatory states in the SCOP groups. Additionally, MorphoGlia enabled spatial mapping of these clusters, identifying the most affected hippocampal layers. This study highlights MorphoGlia's capability to provide unbiased analysis and clustering of microglial morphological states, making it a valuable tool for exploring microglial heterogeneity and its implications for central nervous system pathologies.

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来源期刊
CiteScore
7.90
自引率
3.80%
发文量
627
审稿时长
6-12 weeks
期刊介绍: Frontiers in Cellular Neuroscience is a leading journal in its field, publishing rigorously peer-reviewed research that advances our understanding of the cellular mechanisms underlying cell function in the nervous system across all species. Specialty Chief Editors Egidio D‘Angelo at the University of Pavia and Christian Hansel at the University of Chicago are supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide.
期刊最新文献
The lactate metabolism and protein lactylation in epilepsy. Viral encephalitis and seizures cause rapid depletion of neuronal progenitor cells and alter neurogenesis in the adult mouse dentate gyrus. Cryopreservation of primary neonatal rat oligodendrocytes and recapitulation of in vitro oligodendrocyte characteristics. Editorial: Intersection between the biological and digital: synthetic biological intelligence and organoid intelligence. Gut mycobiome and neuropsychiatric disorders: insights and therapeutic potential.
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