# Curcumin-Primed Stem Cells Boosted Heart Function in Old Rats

_Evidence Level: Preliminary · Huang CY et al., Stem cells and development, DOI 10.1177/15473287261474670_

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

- **Evidence Level**: Preliminary
- **Why this grade**: Cell experiments and a study in aged rats across five treatment groups, with no sample size given, so the finding has not been tested in people.
- **Population**: Animal study
- **Publication Types**: Journal Article
- **Journal**: Stem cells and development
- **Sample Size**: Aged rats (20 months) across five treatment groups
- **Authors**: Huang CY, Kuo WW, Chen TS
- **Graded and published**: 2026-08-16
- **Last edited**: 2026-09-17
- **Topics**: Curcumin, Heart Health, Stem Cells
- **DOI**: https://doi.org/10.1177/15473287261474670
- **Original Source**: https://pubmed.ncbi.nlm.nih.gov/42605112/

## Summary

Old rats given stem cells that had been soaked in curcumin beforehand showed better heart function than rats given plain stem cells. The curcumin appeared to make the transplanted cells hardier by switching on a survival signal. A specific microRNA called miR-3575 seemed to drive the effect, since blocking it wiped out the benefit. This is early lab work in animals, not a case for taking curcumin pills for your heart.

## Practical Takeaway

This early animal work suggests curcumin may help stem cells survive, but says nothing about supplements.

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_Canonical: https://longevity-germany.com/en/research/curcumin-primed-stem-cells-boosted-heart-function-in-old-rats · Part of Longevity Cities · Updated 2026-09-17_