Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Dr. Edward Park, MD explains what makes mesenchymal stem cell (MSC) exosomes uniquely powerful: their microRNA cargo shifts the immune system from TH1 (antibody production) to TH2 (regeneration) and flips macrophages from the M1 inflammatory phenotype to M2 (anti-inflammatory and regenerative). He also covers emerging research showing that photobiomodulation (light therapy) and oxygen/CO2 levels can change what MSCs produce — and why Arnold Kaplan's term "medicinal signaling cells" may be more accurate than "stem cells."

Full episode: youtu.be/scoxgf9q3So
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⚕️ For educational purposes only. Consult a licensed medical professional before pursuing any treatment.

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