Electroactive materials for stimulation of biological activity of bone marrow stromal cells
First Claim
1. A method for stimulating one or more biological activities within cells comprising:
- directly contacting bone marrow stromal cells with an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said electroactive material has attached thereto, or associated therewith, tissue comprising one or more mammalian cells; and
applying electromagnetic stimulation at the location of the electroactive substrate, wherein said electromagnetic stimulation is coupled to said electromagnetic material.
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Accused Products
Abstract
Compositions, methods and systems are provided for the stimulation of biological activities within bone marrow stromal cells by applying electromagnetic stimulation to an electroactive material, wherein the electromagnetic stimulation is coupled to the electromagnetic material. In general the present invention involves attaching or associating the desired bone marrow stromal cells to or with a surface comprising an electroactive material, and applying electromagnetic radiation directly to the desired area. In preferred embodiments, the stimulation of biological activities within bone marrow stromal cells results from inducing one or more activities including, but not limited to, gene expression, cell growth, cell differentiation, signal transduction, membrane permeability, cell division and cell signalling. In particularly preferred embodiments, the present invention stimulates bone cell regeneration. In exemplary embodiments, the electroactive materials used in the present invention are either two-dimensional substrates such as thin films having at least one surface of an electroactive material, or in alternative embodiments, the electroactive materials are three-dimensional substrates comprising a matrix having at least one surface of an electroactive material.
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Citations
59 Claims
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1. A method for stimulating one or more biological activities within cells comprising:
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directly contacting bone marrow stromal cells with an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said electroactive material has attached thereto, or associated therewith, tissue comprising one or more mammalian cells; and
applying electromagnetic stimulation at the location of the electroactive substrate, wherein said electromagnetic stimulation is coupled to said electromagnetic material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for stimulating one or more biological activities within a cell, comprising:
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providing a composition of bone marrow stromal cells and an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said cells are attached directly thereto;
applying electromagnetic stimulation to said composition, wherein said electromagnetic stimulation is coupled to said electroactive material; and
contacting said composition with a mammalian tissue, wherein the step of contacting may be performed before or after the step of applying. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method for stimulating one or more biological activities within a cell, comprising:
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providing a composition of bone marrow stromal cells and an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said cells are attached directly thereto;
applying electromagnetic stimulation to said composition, wherein said electromagnetic stimulation is coupled to said electroactive material;
removing said stimulated cells from said electromagnetic material; and
contacting the stimulated cells with a mammalian tissue, wherein the step of contacting may be performed before or after the step of applying or after the step of removing. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A method for stimulating one or more biological activities within a cell, comprising;
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providing a composition of bone marrow stromal cells and an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said cells are attached directly thereto;
contacting said composition with mammalian tissue; and
applying electromagnetic stimulation to said composition, wherein said electromagnetic stimulation is coupled to said electroactive material. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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57. A system for stimulating one or more biological activities of cells, comprising:
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a composition comprising an electroactive substrate, wherein said electroactive substrate has at least one surface of electroactive material, and wherein said electroactive material has attached directly thereto bone marrow stromal cells; and
an apparatus for applying electromagnetic energy at the desired location. - View Dependent Claims (58, 59)
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Specification