Longevity News

Messenger RNA-encoded reporters for monitoring cellular stress and bioenergetics

Source: Nature - Biotechnology • Published: 17 Jun 2026, 00:00

Messenger RNA-encoded reporters for monitoring cellular stress and bioenergetics

Describes an mRNA delivery workflow enabling transient fluorescent reporters to monitor metabolism and cellular stress across primary and stem cells.

Key Takeaways
  • IVT-synthesized reporter mRNAs achieved high transfection efficiencies in primary fibroblasts and iPSCs
  • Three ratiometric reporters detected subcellular pH, hydrogen peroxide, and ATP levels effectively
  • MRNA delivery avoided genome integration and bypassed stable cell line generation requirements
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