Device for preparing an undifferentiated cell from a more committed cell
First Claim
Patent Images
1. A device for forming and/or increasing the relative number of undifferentiated cells in a cell population comprising haematopoietic cells, including committed cells, which device comprises:
- (i) a chamber;
(ii) an input storage container containing a cell population including committed cells;
(iii) means for introducing into the chamber cells of the cell population including committed cells;
(iv) transfer means between the input storage container and the chamber for transferring the cells from the storage container continuing to the chamber;
(v) means for introducing into the chamber an agent selected from the group consisting of;
(a) an antibody that binds to MHC antigens,(b) erythropoietin, and(c) GM-CSF;
(vi) a further transfer means for transferring a volume of the agent into the chamber, including a reservoir of the agent;
(vii) incubation means for incubating said committed cells in the presence of the agent;
(viii) mixing means for mixing the agent and the cell population in the chamber;
(ix) an output storage container; and
(x) means for removing from the chamber into the output storage container a sample of cells comprising undifferentiated cells;
wherein the chamber, the input storage container, the further transfer means, and the output storage container are disposable.
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Accused Products
Abstract
A device for preparing an undifferentiated cell, the device comprises means for contacting a more committed cell with an agent that causes the more committed cell to retrodifferentiate into an undifferentiated cell.
15 Citations
33 Claims
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1. A device for forming and/or increasing the relative number of undifferentiated cells in a cell population comprising haematopoietic cells, including committed cells, which device comprises:
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(i) a chamber; (ii) an input storage container containing a cell population including committed cells; (iii) means for introducing into the chamber cells of the cell population including committed cells; (iv) transfer means between the input storage container and the chamber for transferring the cells from the storage container continuing to the chamber; (v) means for introducing into the chamber an agent selected from the group consisting of; (a) an antibody that binds to MHC antigens, (b) erythropoietin, and (c) GM-CSF; (vi) a further transfer means for transferring a volume of the agent into the chamber, including a reservoir of the agent; (vii) incubation means for incubating said committed cells in the presence of the agent; (viii) mixing means for mixing the agent and the cell population in the chamber; (ix) an output storage container; and (x) means for removing from the chamber into the output storage container a sample of cells comprising undifferentiated cells; wherein the chamber, the input storage container, the further transfer means, and the output storage container are disposable. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 26)
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2. A device for forming and/or increasing the relative number of undifferentiated cells in a cell population comprising haematopoietic cells, including committed cells, which device comprises:
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a chamber; (ii) an input storage container containing a cell population including committed cells; (iii) means for introducing into the chamber cells of the cell population including committed cells; (iv) transfer means between the input storage container and the chamber for transferring the cells from the storage container continuing to the chamber; (v) means for introducing into the chamber an agent selected from the group consisting of; (a) an antibody that binds to MHC antigens, (b) erythropoietin, and (c) GM-CSF; (vi) a further transfer means for transferring a volume of the agent to the chamber, wherein the further transfer means comprises a volume of the agent; (vii) incubation means for incubating the agent and said committed cells; (viii) mixing means for mixing the agent and the cell population in the chamber; and (ix) means for removing from the chamber into an output storage container a sample of cells comprising undifferentiated cells; wherein the chamber, the input storage container, the further transfer means, and the output storage container are disposable. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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27. A device for forming and/or increasing the relative number of undifferentiated cells in a cell population comprising haematopoietic cells, which device comprises:
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(i) a chamber; (ii) an input storage container containing a cell population including committed cells; (iii) means for introducing into the chamber cells of the cell population including haematopoietic cells; (iv) transfer means between the input storage container and the chamber for transferring the cells from the storage container continuing to the chamber; (v) means for introducing an agent into the chamber, wherein the agent is selected from the group consisting of;
(a) an antibody that binds to MHC antigens, (b) erythropoietin, and (c) GM-CSF;(vi) a further transfer means for transferring a volume of the agent to the chamber, wherein the further transfer means comprises a volume of the agent; (vii) incubation means for incubating said committed cells in the presence of the agent; (viii) mixing means for mixing the agent and the cell population in the chamber; (ix) an output storage container; and (x) means for removing from the chamber into the output storage container a sample of cells comprising undifferentiated cells; wherein the chamber, the input storage container, the further transfer means, and the output storage container are disposable.
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28. A device for forming and/or increasing the relative number of cells having a cell surface marker designation CD34+ and/or HLA-DR−
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/or CD117 and/or AC133 and/or CD90 and/or CD45low in a cell population comprising haematopoietic cells, including committed cells, which device comprises;(i) a chamber; (ii) an input storage container containing a cell population including committed cells; (iii) means for introducing into the chamber cells of the cell population including committed cells; (iv) transfer means between the input storage container and the chamber for transferring the cells from the storage container continuing to the chamber; (v) means for introducing an agent into the chamber; (vi) a further transfer means for transferring a volume of the agent to the chamber, wherein the further transfer means comprises a volume of the agent; (vii) incubation means operable to incubate said committed cells and said agent selected from the group consisting of an antibody that binds to MHC antigens, erythropoietin, and GM-CSF; (viii) mixing means for mixing the agent and the cell population in the chamber; (ix) an output storage container; and (x) means for removing from the chamber into the output storage container a sample of cells comprising undifferentiated cells; wherein the chamber, the input storage container, the further transfer means, and the output storage container are disposable.
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29. A device for treating a starting hematopoietic cell population comprising haematopoietic cells with an agent selected from the group consisting of (a) an antibody that binds to MHC antigens, (b) erythropoietin, and (c) GM-CSF, and capable of increasing the relative number of undifferentiated cells, which device comprises:
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(a) a support hook for attachment of an inlet storage container containing a starting cell population, wherein said inlet storage container is a blood bag; (b) a heated incubation chamber; (c) means for drawing the starting cell population from the inlet storage container into the heated incubation chamber; (d) a refrigerated chamber for insertion of a syringe containing the agent selected from the group consisting of (a) an antibody that binds to MHC antigens, (b) erythropoietin, and (c) GM-CSF; (e) means for delivering the agent from the refrigerated chamber into the heated incubation chamber; (f) rotating mixer that mixes the agent and the cell population in the heated incubation chamber; (g) a carbon dioxide control means for controlling the concentration of carbon dioxide in the heated incubation chamber; (h) a means for hanging an outlet storage container, wherein said outlet storage container is a blood bag; and (i) means for drawing the treated cell population from the heated incubation chamber into the outlet storage container. - View Dependent Claims (30, 31, 32, 33)
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Specification