ArticleJournal of extracellular biology2025
Single-Cell Analysis of L-Myc Expressing Neural Stem Cells and Their Extracellular Vesicles Revealed Distinct Progenitor Populations With Neurogenic Potential.
Article in Journal of extracellular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
2 citing papers in PubMed.
- Review
- Single-Cell Analysis of L-Myc Expressing Neural Stem Cells and Their Extracellular Vesicles Revealed Distinct Progenitor Populations With Neurogenic Potential.Journal of extracellular biology · 2025Article
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Authors and funding
20 authors.
Funding
Abstract
Neural stem cell (NSC)-based therapies offer a promising strategy to promote brain repair by delivering neurotrophic factors, supporting cell replacement, and stimulating endogenous neurogenesis following injury. While numerous studies have highlighted the protective and regenerative potential of NSCs and their extracellular vesicles (EVs), progress toward clinical translation remains hindered by limited molecular characterization of NSC lines and their EV cargo. To address this gap, we characterized two therapeutically relevant human fetal NSC lines, LMNSC01 and LMNSC02, both engineered to express the L-MYC gene, along with their corresponding EVs. LMNSC01 cells primarily differentiated into neurones with limited glial populations, whereas LMNSC02 cells gave rise to all three major neural lineages: neural, glial and oligodendrocyte progenitor cells (OPCs). scRNA-seq revealed distinct transcriptional profiles with minimal overlap between the two LMNSC lines. Using single extracellular vesicle nanoscopy, we observed that both lines released predominantly circular EVs, with LMNSC02-EVs exhibiting higher levels of tetraspanins (CD9, CD63, and CD81) and a larger average diameter than LMNSC01-EVs. Proteomic profiling revealed that LMNSC01-EVs are enriched in proteins involved in cell adhesion, migration, junction formation, and neuronal projection development, while LMNSC02-EVs are enriched in factors related to cytoplasmic translation initiation and biosynthesis. These LMNSC-EVs (collected from undifferentiated LMNSCs) demonstrated neuroprotective effects in a brain organoid model of methotrexate-induced toxicity when added to corresponding LMNSC01- or LMNSC02-derived brain organoids. LMNSC01- and LMNSC02-derived EVs restored neuronal and astrocytic populations but failed to rescue OPCs. These findings demonstrate the therapeutic potential of LMNSC-derived EVs to counter chemotherapy-induced neurotoxicity by preserving neurones and astrocytes, while highlighting the need for repeated or complementary interventions to restore oligodendrocyte populations.
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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 Socratic graph.