In Vitro MSC Characterization of Cryopreserved Adipose Stromal Cells Processed via Uvence Workflow.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Adipose tissue is an abundant and clinically accessible source of stromal cells. Stromal vascular fraction (SVF) and nanofat have been widely investigated for their regenerative potential; however, commercial systems vary considerably in yield, viability, and regulatory oversight. Most devices report fresh results only, with limited validation following cryopreservation. Mesenchymal stromal cells derived from adipose tissue have also attracted attention due to their accessibility, immunomodulatory effects, and multipotent differentiation capacity. Uvence has developed a proprietary workflow for adipose tissue processing that integrates washing, cryopreservation, thawing, and emulsification within a Human Tissue Authority-regulated laboratory. The process includes Good Manufacturing Practices (GMP) Annex 1-aligned environmental monitoring and independent quality control (QC) testing. Critically, this workflow validates postthaw cell viability, addressing a gap in current SVF/nanofat approaches. Three cryopreserved donor samples demonstrated a mean postthaw viability of ∼91% (range 90.5-92%), consistently exceeding the International Federation for Adipose Therapeutics and Science (IFATS)/ International Society for Cell and Gene Therapy (ISCT) 70% threshold. Benchmarking against global systems showed Uvence postthaw viability to be equivalent to or higher than fresh outcomes repor

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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