ArticleeLife2022
Defining the ultrastructure of the hematopoietic stem cell niche by correlative light and electron microscopy.
Article in eLife, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 13 citations in OpenAlex.
- When imaging technology meets single-cell omics: new paradigm in developmental biology.Cell regeneration (London, England) · 2025Review
- Inhibitory Neurons Marked by the Connectivity Molecule Kirrel3 Regulate Memory Precision.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Inhibitory neurons marked by the connectivity molecule Kirrel3 regulate memory precision.bioRxiv : the preprint server for biology · 2025Article
- Exploring extramedullary hematopoiesis: unraveling the hematopoietic microenvironments.Frontiers in hematology · 2024Article
- Effects of Dopamine on stem cells and its potential roles in the treatment of inflammatory disorders: a narrative review.Stem cell research & therapy · 2023Review
- Shining a light on hematopoietic stem cells.eLife · 2022Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
The blood system is supported by hematopoietic stem and progenitor cells (HSPCs) found in a specialized microenvironment called the niche. Many different niche cell types support HSPCs, however how they interact and their ultrastructure has been difficult to define. Here, we show that single endogenous HSPCs can be tracked by light microscopy, then identified by serial block-face scanning electron microscopy (SBEM) at multiscale levels. Using the zebrafish larval kidney marrow (KM) niche as a model, we followed single fluorescently labeled HSPCs by light sheet microscopy, then confirmed their exact location in a 3D SBEM dataset. We found a variety of different configurations of HSPCs and surrounding niche cells, suggesting there could be functional heterogeneity in sites of HSPC lodgement. Our approach also allowed us to identify dopamine beta-hydroxylase (dbh) positive ganglion cells as a previously uncharacterized functional cell type in the HSPC niche. By integrating multiple imaging modalities, we could resolve the ultrastructure of single rare cells deep in live tissue and define all contacts between an HSPC and its surrounding niche cell types.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.