ArticleTissue engineering and regenerative medicine2026
Comparative Transcriptomic Profiling of Mesenchymal Stem Cells from Distinct Tissue Origins and Isolation Methods Highlights the Stability and Immunomodulatory Signature of Umbilical Cord-Derived Smumf Cells.
Article in Tissue engineering and regenerative medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundMesenchymal stem cells (MSCs) derived from bone marrow (BM), adipose tissue (AD), and umbilical cord (UC) exhibit therapeutic potential in regenerative medicine. However, their properties, including transcriptomic profiles, vary based on tissue origin, passage stage, and isolation method, complicating their clinical standardization. Addressing these unresolved differences requires comprehensive approaches, such as RNA sequencing, to analyze transcriptomic profiles in detail.
methodsIn this study, RNA-seq was employed to analyze MSC transcriptomes from BM, AD, and UC tissues. UC MSCs were isolated using enzymatic digestion or the Minimal Cube Explant (MCE) method (smumf cells), and transcriptomes of early (P3-4) and late (P10) passages of smumf cells were compared. Differentially expressed genes (DEGs) were identified, followed by transcription factor (TF) and pathway analyses.
resultsFetal MSCs (UC and smumf cells) exhibited distinct transcriptomic profiles compared to adult MSCs (BM and AD), with 2,208 upregulated and 2,594 downregulated DEGs. Key transcription factors, such as E2F1 and NF-κB1, and pathways, including glycolysis, cholesterol biosynthesis, and TNF-α signaling, were enriched in fetal MSCs. smumf cells demonstrated transcriptomic stability between early and late passages, with only 12 DEGs identified. Additionally, smumf cells showed enhanced innate immune responses and cholesterol metabolism compared to enzymatically isolated UC MSCs.
conclusionThis study provides a comprehensive transcriptomic comparison of MSCs, highlighting the superior transcriptional stability, immunomodulatory capacity, and metabolic flexibility of fetal MSCs, particularly smumf cells. These findings underscore their potential as a reliable cell source for therapeutic applications and encourage further exploration of their clinical application.
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