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Science Saturday: Regenerating damaged vocal cords

Cells from amniotic membrane show potential of repairing vocal cord injuries that don't respond to standard care, Mayo Clinic discovered in preclinical research. The placental membrane provides a rich source of epithelial cells that could regenerate damaged tissue. Research by David Lott, M.D., a laryngeal surgeon in Arizona, found epithelial cells extracted after childbirth triggered healing in animals with vocal cord damage. Dr. Lott's paper is published in Stem Cell Research & Therapy. "We believe our study…