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Updated: Jan 28, 2026
09:01
A Quantitative Assessment of the Phagocytosis of Allogeneic and Xenogeneic Erythrocytes by Rat Macrophages In Vitro
Published on: August 22, 2025
471
Conserved pathway activation following xenogeneic, heterotypic fusion
Ce Yuan1,2, Brian T Freeman2,3,4, Tanner J McArdle2,3
1Bioinformatics and Computational Biology Program, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA.
Summary
Xenogeneic hybrids, formed from human and mouse cells, show consistent activation of specific latent genes post-fusion. This suggests conserved signaling pathways may drive or result from cell fusion events.
Area of Science:
- Cell biology
- Genomics
- Biotechnology
Background:
- Xenogeneic hybrids can form through cell fusion in various biological and medical contexts.
- Previous research indicates risks of cellular dysregulation in xenogeneic hybrids, with few conferred advantages.
Purpose of the Study:
- To investigate the transcriptome of human mesenchymal stem cell and murine cardiomyocyte xenogeneic hybrids.
- To determine if xenogeneic fusion is a stochastic process or involves conserved pathway activation.
Main Methods:
- Single-cell RNA sequencing was employed to analyze the transcriptomes of individual hybrid cells.
- Transcriptomic analysis focused on gene expression relative to both human and mouse genomes.
Main Results:
- Hybrid cells exhibited a unique transcriptome, distinct from parent cells but dominated by cardiomyocyte gene expression.
- Consistent expression of previously latent genes (human growth hormone 1, murine ribosomal protein S27, murine ATP synthase) was observed across hybrids.
Conclusions:
- The consistent activation of latent genes suggests conserved signaling mechanisms are involved in xenogeneic fusion.
- These conserved pathways could be potential targets for controlling unwanted xenogeneic cell fusion.
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