Scaffolds for cell collection or elimination
First Claim
1. A method of removing or eliminating a cancer cell from a mammalian subject, comprisinga) administering to the subject, a device comprising a scaffold composition and a bioactive composition, said bioactive composition being incorporated into or conjugated onto said scaffold composition, wherein said scaffold composition comprises a polymer matrix and pores, and wherein the bioactive composition comprises a cell attractant and a cell death-inducing agent, wherein said scaffold composition does not comprise cells prior to said administering step,b) exposing said cancer cell to said cell attractant, thereby recruiting the cancer cell to the scaffold composition,c) capturing said cancer cell within said scaffold composition, thereby sequestering said cancer cell from the host environment, andd) killing the sequestered cancer cell within said scaffold composition by exposure to the scaffold composition or to the cell death-inducing agent, wherein the sequestered cancer cell is killed without removing the device from the subject, thereby removing or eliminating the cancer cell from the subject.
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Accused Products
Abstract
A device that includes a scaffold composition and a bioactive composition with the bioactive composition being incorporated therein or thereon, or diffusing from the scaffold composition such that the scaffold composition and/or a bioactive composition captures and eliminates undesirable cells from the body a mammalian subject. The devices mediate active recruitment, sequestration, and removal or elimination of undesirable cells from their host.
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Citations
27 Claims
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1. A method of removing or eliminating a cancer cell from a mammalian subject, comprising
a) administering to the subject, a device comprising a scaffold composition and a bioactive composition, said bioactive composition being incorporated into or conjugated onto said scaffold composition, wherein said scaffold composition comprises a polymer matrix and pores, and wherein the bioactive composition comprises a cell attractant and a cell death-inducing agent, wherein said scaffold composition does not comprise cells prior to said administering step, b) exposing said cancer cell to said cell attractant, thereby recruiting the cancer cell to the scaffold composition, c) capturing said cancer cell within said scaffold composition, thereby sequestering said cancer cell from the host environment, and d) killing the sequestered cancer cell within said scaffold composition by exposure to the scaffold composition or to the cell death-inducing agent, wherein the sequestered cancer cell is killed without removing the device from the subject, thereby removing or eliminating the cancer cell from the subject.
Specification