| Patent application number | Description | Published |
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| 20080305146 | SELECTIVE CELL THERAPY FOR THE TREATMENT OF RENAL FAILURE - Provided herein are isolated populations of kidney cells harvested from differentiated cells of the kidney, wherein cells have been expanded in vitro. The kidney cells may include peritubular interstitial cells of the kidney, and preferably produce erythropoietin (EPO). The kidney cells may also be selected based upon EPO production. Methods of producing an isolated population of EPO producing cells are also provided, and methods of treating a kidney disease resulting in decreased EPO production in a patient in need thereof are provided, including administering the population to the patient, whereby the cells produce EPO in vivo. | 12-11-2008 |
| 20090186065 | ISOLATING AND PURIFYING CELLS FOR THERAPY - The present invention provides methods and devices for isolating cells from a subject by circulating the subject's body fluid over an affinity moeity coupled matrix to isolate isolate cells from a subject either ex vivo or in vivo. One aspect of the invention is directed to connecting a subject to a system capable of circulating the subject's body fluid through an affinity moiety coupled matrix, such that the affinity moiety coupled matrix is capable of binding to and extracting target cells from the body fluid, and then eluting the target cells from the affinity moiety. Another aspect of the invention is directed to the apparatus for isolating cells from a subject, comprising a blood circulation system with an arterial side blood circuit for extracting blood and flowing the blood over an affinity moiety coupled matrix that binds to and extracts target cells and a venous side blood circuit for returning the blood to the patient. The invention is also directed to in vivo seeding of biomatrials by implanting the affinity moiety coupled matrix in a subject to attract and bind the target cells in vivo. | 07-23-2009 |
| 20090208466 | INK-JET PRINTING OF TISSUES - A method of forming an array of viable cells is carried out by ink-jet printing a cellular composition containing said cells on a substrate. At least two different types of viable mammalian cells are printed on the substrate, the at least two different types of viable mammalian cells selected to together form a tissue. In some embodiments at least three or four different viable mammalian cells are printed on the substrate, the cells selected to together form a tissue. In some embodiments one of the viable mammalian cell types is a stem cell. In some embodiments the method further comprises printing at least one support compound on the substrate, the support compound selected to form a tissue together with said cells. In some embodiments the method further comprises printing at least one growth factor on the substrate, the growth factor selected to cause the cells to form a tissue. | 08-20-2009 |
| 20090208577 | Inkjet Printing of Tissues and Cells - Provided herein is an apparatus for printing cells which includes an electrospinning device and an inkjet printing device operatively associated therewith. Methods of making a biodegradable scaffold having cells seeded therein are also provided. Methods of forming microparticles containing one or more cells encapsulated by a substrate are also provided, as are methods of forming an array of said microparticles. | 08-20-2009 |
| 20090263464 | BLADDER RECONSTRUCTION - The invention is directed to methods and devices for the reconstruction, repair, augmentation or replacement of laminarily organized luminal organs or tissue structures in a patient in need of such treatment. The device comprises a biocompatible synthetic or natural polymeric matrix shaped to conform to at least a part of the luminal organ or tissue structure with a first cell population on or in a first area and a second cell population such as a smooth muscle cell population in a second area of the polymeric matrix. The method involves grafting the device to an area in a patient in need of treatment. The polymeric matrix comprises a biocompatible and biodegradable material. | 10-22-2009 |
| 20090265005 | BIOREACTOR SYSTEM AND METHOD OF ENHANCING FUNCTIONALITY OF MUSCLE CULTURED IN VITRO - A method of producing organized skeletal muscle tissue from precursor muscle cells in vitro comprises: (a) providing precursor muscle cells on a support in a tissue media; then (b) cyclically stretching and relaxing the support at least twice along a first axis during a first time period; and then (c) optionally but preferably maintaining the support in a substantially static position during a second time period; and then (d) repeating steps (b) and (c) for a number of times sufficient to enhance the functionality of the tissue formed on the support and/or produce organized skeletal muscle tissue on the solid support from the precursor muscle cells. | 10-22-2009 |
| 20100104544 | SELECTIVE CELL THERAPY FOR THE TREATMENT OF RENAL FAILURE - Provided herein are isolated populations of kidney cells harvested from differentiated cells of the kidney, wherein the cells have been expanded in vitro. The kidney cells preferably produce erythropoietin (EPO). The kidney cells may also be selected based upon EPO production. Methods of producing an isolated population of EPO producing cells are also provided, and methods of treating a kidney disease resulting in decreased EPO production in a patient in need thereof are provided, including administering the population to the patient, whereby the cells express EPO in vivo in an oxygen tension-dependent manner. | 04-29-2010 |
| 20100111914 | STEM CELLS FROM URINE AND METHODS FOR USING THE SAME - Provided herein are stem cells and methods for producing a culture of stem cells from urine. The stem cells may be differentiated into an osteogenic, chondrogenic, adipogenic, endothelial, neurogenic or myogenic lineage. Methods of use of the cells are provided, including methods of treating a subject in need of a cell based therapy. | 05-06-2010 |
| 20100112062 | KIDNEY STRUCTURES AND METHODS OF FORMING THE SAME - Provided herein are isolated populations of kidney cells harvested from differentiated cells of the kidney, wherein cells have been expanded in vitro, and methods of use thereof. The cells may be provided in a three dimensional matrix for culturing in vitro and/or implanting in vivo. Methods of seeding cells onto the matrix are also provided. | 05-06-2010 |
| 20100112087 | OXYGEN-GENERATING COMPOSITIONS FOR ENHANCING CELL AND TISSUE SURVIVAL IN VIVO - A method of treating hypoxic tissue such as wound tissue comprises contacting a composition to the hypoxic tissue in a hypoxia-treatment effective amount, the composition comprising a biodegradable polymer and an inorganic peroxide incorporated into the polymer. | 05-06-2010 |
| 20100129450 | Electrospun Cell Matrices - The invention is directed to compositions and methods for preparing electrospun matrices comprising at least one natural biological material component and at least one synthetic polymer material. The natural component makes the matrices highly biocompatible while the molecular weight polymer component can impart additional strength mechanical strength to the scaffold and/or improve ease of manufacture by increasing viscosity and spinning characteristics of the solution during electrospining. | 05-27-2010 |
| 20100158977 | PROGENITOR CELLS FROM URINE AND METHODS FOR USING THE SAME - Provided herein are urine progenitor cells and methods for producing a culture of urine progenitor cells from a urine sample. The cells may be selected based upon the use of a selective cell medium, based upon morphology, and/or by selecting cell-specific markers. Also provided is an isolated urine progenitor cell that is c-kit positive and can differentiate into urothelium, smooth muscle, endothelium or interstitial cells. Methods of use of urine progenitor cells are provided, wherein cell are seeded onto a tissue scaffold are provided. Methods of treating a subject in need thereof are also provided, including providing a bladder tissue substrate that includes differentiated UPCs and transplanting the substrate into the patient. Finally, kits are provided that include a container suitable for the transport of a urine sample; media; one or more antibiotics; a package for holding said container, media, and antibiotics; and optionally, instructions for use. | 06-24-2010 |
| 20100160183 | INKJET GENE PRINTING - Provided herein are methods and apparatuses for transfecting a cell with a compound of interest by stressing the cell, e.g. with shear stress. The compound of interest may be nucleic acids, proteins, molecules, nanoparticles, drugs, etc., or any combination thereof. Methods of printing cells with an inkjet printing device are also provided, wherein at least a portion of viable cells (preferably at least 1%) are transfected with a compound of interest. Preferably, at least 25% of the cells are viable after printing. In addition, methods of forming an array of viable cells are provided wherein at least a portion of the viable printed cells (preferably at least 1%) are transfected with at least one compound of interest. | 06-24-2010 |
| 20100173006 | METHODS OF RESTORATION OF ERECTILE FUNCTION - A method for ameliorating erectile dysfunction (ED) in a subject, by injecting a population of cells capable of increasing nitric oxide production in corporal tissue, and maintaining the cells in vivo to increase local tissue concentrations of nitric oxide, whereby intracavernous pressure can be improved upon stimulation. | 07-08-2010 |
| 20100196923 | PLURIPOTENT ADULT STEM CELLS - Disclosed herein are pluripotent adult stem cells and methods of use thereof. The cells are found in, or collected from, an adult tissue or fluid. In some embodiments, the cells are c-kit positive and SSEA-4 positive, and can he differentiated into multiple tissue types, e.g., adipogenic, osteogenic, myogenic, endothelial, neurogenic and hepatic tissues. | 08-05-2010 |
| 20100331980 | ALIGNED SCAFFOLDING SYSTEM FOR SKELETAL MUSCLE REGENERATION - Provided herein are anisotropic muscle implants that have a biodegradable scaffold comprising a plurality of fibers oriented along a longitudinal axis. The implants may include mammalian muscle cells seeded and/or fused into myotubes on the scaffold. Methods of forming the muscle implants are provided, as are methods of treating a subject in need of skeletal muscle reconstruction. | 12-30-2010 |
| 20110059152 | AUGMENTATION OF ORGAN FUNCTION - The present invention provides methods and compositions for augmenting organ functions using small-scale matrix implants generated by seeding tissue-specific or undifferentiated cells onto a matrix materials (e.g., a wafer, sponge, or hydrogel). The seeded matrix composition can then be implanted and will develop into an organ-supplementing structure in vivo. Continued growth and differentiation of the seeded cells on the implanted matrix results in the formation of a primitive vascular system in the tissue. The primitive vascular system can then develop into a mature vascular system, and can also support the growth and development of additional cultured cell populations. The seeded matrix system can be used to introduce a variety of different cells and tissues in vivo. | 03-10-2011 |
| 20110097379 | DIRECTED STEM CELL RECRUITMENT - The invention is directed to methods of inducing cell recruitment and tissue regeneration at a target site in a subject. It is also based, in part, on the discovery that a subject's own biologic resources and environmental conditions can be used for in situ tissue regeneration and thereby reduce or eliminate the need for donor cell procurement and ex vivo manipulation of such donor cells. Methods are disclosed for recruitment of a subject's own stem cells to a target region by inducing a sustained positive pressure at a target site, such as the kidney, thereby increasing the number of pluripotent cells capable of differentiating to regenerate the target tissue. | 04-28-2011 |
