Compositions and methods for augmentation or repair of intervertebral discs
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United States of America Patent
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app pub date -
Jan 6, 2005
filing date -
Mar 28, 2003
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Abandoned
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Abstract
A method of augmenting and/or repairing an intervertebral disc by administering stem cell material into the disc. The stem cells may be undifferentiated cells, or they may be cells that have differentiated and have subsequently been dedifferentiated. The stem cells may be induced to express at least one characteristic of human intervertebral disc cells, such as fibroblast cells, chondrocyte cells, or notochordal cells, by exposing them to agents and/or environments calculated to induce the desired differentiation. In some embodiments, the stem cell material may be provided in conjunction with a collagen-based material, which may be a collagen-rich lattice or particles of collagen material. The stem cell material may be provided as a stem cell isolate, which may be substantially free of non-stem cell material. Other therapeutic agents may be administered with the stem cell material.
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