Level D· Scientific groundwork from lab and animal studiesLaboratory StudyPubMed

Curcumin-Preconditioned Adipose-Derived Stem Cells Improve Cardiac Function in Aged Rats via miR-3575 Modulation.

Huang CY., Kuo WW., Chen TS.

Laboratory Study on Cardiovascular Disease, published in Stem Cells Dev (2026) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

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
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Study type
Laboratory Study
Journal
Stem Cells Dev (2026)
Country
United States
Reported sample size
—
Source database
PubMed
PMID
42605112
DOI
10.1177/15473287261474670

Abstract (original English)

Aging causes a decrease in cardiac function in living organisms. Although stem cell transplantation shows therapeutic potential for aging hearts, distinct types of evidence have indicated that preconditioning is an effective therapeutic strategy for stem cells to improve tissue regenerative function. This study investigates the therapeutic effect of mesenchymal stem cell preconditioning with curcumin and miR-3575 in the treatment of an aging heart. Cell models have confirmed that preconditioning with curcumin enables stem cells to increase cell viability and CXCR4/p-Akt signal activation. Intervention of miR-3575 mimic significantly enhances viability and CXCR4/p-Akt signal in curcumin preconditioned stem cells. The beneficial effects are suppressed in curcumin preconditioned stem cells receiving miR-3575 inhibitor. The aging animal groups were designed to test the above hypothesis including Aging (rats with 20 months), Aging + ADSC (aging rats receiving adipose-derived stem cells), Aging + Cur-ADSC (aging rats receiving curcumin preconditioned ADSC), Aging + miR mic-ADSC (aging rats receiving miR-3575 mimic preconditioned ADSC), and Aging + miR inh-ADSC (aging rats receiving miR-3575 inhibitor preconditioned ADSC). Compared to Aging, Aging + ADSC slightly improves cardiac function, structure, and pathological protein markers, whereas Aging + Cur-ADSC and Aging + miR mic-ADSC s

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is preclinical work; animal or laboratory results cannot be applied to humans.

Evidence level

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

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