What is the clinical evidence from this study?

Population: Myocardial infarction. Intervention: Human endometrial stem cells (EnSCs) vs. PBS. Primary outcome: Ejection fraction (15% improvement, p=<0.05).

July 9, 2013Journal of Cellular and Molecular MedicineOpen Access

Human endometrial stem cells confer enhanced myocardial salvage and regeneration by paracrine mechanisms

Q: What are the key findings of this study?

Intramyocardial injection of human endometrial stem cells improved ejection fraction by 15% and preserved viable myocardium in a rat model of myocardial infarction via paracrine mechanisms.

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Key result

Intramyocardial injection of human endometrial stem cells improved ejection fraction by 15% and preserved viable myocardium in a rat model of myocardial infarction via paracrine mechanisms.

Why the study?

Does intramyocardial injection of human endometrial stem cells improve cardiac function and preserve viable myocardium in a rat model of myocardial infarction?

Structured PICO

Does intramyocardial injection of human endometrial stem cells improve cardiac function and preserve viable myocardium in a rat model of myocardial infarction?

Population

Sprague-Dawley rats weighing 200-250 g subjected to permanent coronary artery ligation to induce myocardial infarction, followed for 28 days.

Intervention

1.5 x 10^6 human endometrial stem cells (EnSCs) in 150 μl injected intramyocardially into the ischemic border zone at 5 sites, 30 minutes after coronary ligation.

Comparator

Same volume of PBS without cells injected intramyocardially.

Outcome

Cardiac function (ejection fraction, fractional shortening, anterior wall movement) and viable myocardium at 28 days.surrogate

Main Result

Effect estimate: 15% improvement

p-value: p=<0.05

Human endometrial stem cells improve cardiac function and preserve viable myocardium post-myocardial infarction in rats, primarily via paracrine mechanisms rather than direct differentiation.

Limitations

Preclinical animal model (rat) may not fully translate to humans
Xenotransplantation model without immunosuppression
TUNEL assay used does not discriminate the specific cell types undergoing apoptosis in vivo
Short follow-up duration of 28 days

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Supports paracrine benefits of endometrial stem cells in rodent MI; leaves open translation to clinical practice.

Cite This Study

Jiang et al. (2013) studied Myocardial infarction. Human endometrial stem cells (EnSCs) vs. PBS was evaluated on Ejection fraction (15% improvement, p=<0.05). Intramyocardial injection of human endometrial stem cells improved ejection fraction by 15% and preserved viable myocardium in a rat model of myocardial infarction via paracrine mechanisms.

synapsesocial.com/papers/6a987491fd500111c6bc49ce https://doi.org/10.1111/jcmm.12100

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Human endometrial stem cells confer enhanced myocardial salvage and regeneration by paracrine mechanisms

Structured PICO

Main Result

Limitations

Discussion

Implication

Cite This Study

Human endometrial stem cells confer enhanced myocardial salvage and regeneration by paracrine mechanisms

Structured PICO

Main Result

Limitations

Discussion

Implication

Cite This Study

Also Consider

Also Consider