Rapid preparation of stem cell matrices for use in tissue and organ treatment and repair
First Claim
1. A rapid method of preparing a stem cell matrix for use in tissue and organ repair comprising:
- a) admixing a preparation comprising stem cells with a physiologically acceptable matrix material to form a stem cell matrix; and
b) incubating the stem cell matrix in vitro for less than about 12 hours prior to use in tissue and organ repair or treatment.
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Accused Products
Abstract
A rapid method for preparing stem cell and physiologically acceptable matrix compositions for use in tissue and organ repair is described. Compared with previous tissue engineering materials, the stem cell-matrix compositions of the present invention do not require long-term incubation or cultivation in vitro prior to use in in vivo applications. The stem cells can be from numerous sources and may be homogeneous, heterogeneous, autologous, and/or allogeneic in the matrix material. The stem cell-matrix compositions provide point of service utility for the practitioner, wherein the stem cells and matrix can be combined not long before use, thereby alleviating costly and lengthy manufacturing procedures. In addition, the stem cells offer unique structural properties to the matrix composition which improves outcome and healing after use. Use of stem cells obtained from muscle affords contractility to the matrix composition.
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Citations
27 Claims
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1. A rapid method of preparing a stem cell matrix for use in tissue and organ repair comprising:
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a) admixing a preparation comprising stem cells with a physiologically acceptable matrix material to form a stem cell matrix; and
b) incubating the stem cell matrix in vitro for less than about 12 hours prior to use in tissue and organ repair or treatment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of tissue and organ repair or treatment, comprising:
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a) preparing a stem cell matrix by admixing a preparation comprising stem cells with a physiologically acceptable matrix;
b) incubating the stem cell matrix in vitro for less than about 12 hours prior to use; and
c) introducing the stem cell matrix into a patient.
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26. A rapid method of preparing a stem cell matrix for use in tissue and organ repair comprising:
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a) admixing a preparation comprising muscle stem cells with a physiologically acceptable matrix material to form a muscle stem cell matrix; and
b) incubating the muscle stem cell matrix in vitro for less than about 12 hours prior to use in tissue and organ repair or treatment.
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27. A method of tissue and organ repair or treatment, comprising:
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a) preparing a muscle stem cell matrix by admixing a preparation comprising muscle stem cells with a physiologically acceptable matrix;
b) incubating the muscle stem cell matrix in vitro for less than about 12 hours prior to use; and
c) introducing the muscle stem cell matrix into a patient.
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Specification