Culture Medium Contains A Growth Factor Or Growth Regulator Patents (Class 435/384)
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Patent number: 11634687Abstract: The present invention relates generally to the identification and isolation of human otic progenitor cells. More specifically, the present invention relates to a method of using cell markers to identify and isolate human otic progenitor cells from a mixed population of cells, methods of enrichment and production of human otic progenitor cells, and associated kits for use in identification and/or isolation of human otic progenitor cells, wherein the cell markers are selected from SSEA1 (CD15), disialoganglioside GD3, TRA-2-49 (liver/bone/kidney alkaline phosphatase), SSEA4, ganglioside GD2 and CD141.Type: GrantFiled: September 14, 2017Date of Patent: April 25, 2023Assignee: THE UNIVERSITY OF SHEFFIELDInventors: Carlos Marcelo Nicolas Rivolta, Sarah Louise Boddy
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Patent number: 11591565Abstract: The present application discloses a cell culture media for growth, maintenance and induction of reversion to a less mature state of a cell comprising a MUC1* activating ligand.Type: GrantFiled: April 16, 2014Date of Patent: February 28, 2023Assignee: MINERVA BIOTECHNOLOGIES CORPORATIONInventors: Cynthia Bamdad, Benoit Smagghe
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Patent number: 10808222Abstract: Provided herein are methods of reducing or eliminating undifferentiated pluripotent stem cells, where the methods comprise contacting an effective amount of a compound to a heterogeneous cell population or sample comprising or suspected of comprising differentiated cell types and undifferentiated pluripotent stem cells, whereby the contacting selectively reduces or eliminates undifferentiated pluripotent stem cells from the cell population or sample. Also provided are methods for obtaining a population of stem cell-derived cell types substantially free of undifferentiated pluripotent stem cells as well as isolated populations of such of stem cell-derived cell types.Type: GrantFiled: May 16, 2019Date of Patent: October 20, 2020Assignee: The Medical College of Wisconsin, Inc.Inventors: Rebekah L. Gundry, Kenneth R. Boheler, Erin M. Kropp
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Patent number: 10780132Abstract: Provided herein are novel methods and compositions utilizing adipose tissue-derived stromal stem cells for treating fistulae.Type: GrantFiled: March 23, 2017Date of Patent: September 22, 2020Assignees: TiGenix, S.A.U., Universidad Autónoma de MadridInventors: María Gema Fernández Miguel, Manuel Ángel González De La Peña, Rosa Ana García Castro, Mariano García Arranz, Damián García Olmo
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Patent number: 10517928Abstract: According to this invention, the following are provided: a pharmaceutical composition for treating and/or preventing esophageal stenosis, comprising an HGF protein as an active ingredient (wherein the HGF protein may be a polypeptide that is any one of the following: (a) a polypeptide comprising the amino acid sequence shown in SEQ ID NO: 2; (b) a polypeptide comprising an amino acid sequence shown in SEQ ID NO: 2 in which one to several amino acids are deleted, substituted, or added; or (c) a polypeptide comprising an amino acid sequence having at least 90% identity with the amino acid sequence shown in SEQ ID NO: 2; and a stent comprising the pharmaceutical composition.Type: GrantFiled: August 6, 2015Date of Patent: December 31, 2019Assignee: Kagoshima UniversityInventors: Akio Ido, Hirohito Tsubouchi, Yuga Komaki
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Patent number: 10131877Abstract: Provided is a differentiation-inducing culture medium additive for inducing bone differentiation of at least one type of cell selected from the group consisting of a stem cell, a dental pulp cell, a periodontal ligament cell, a placenta, an amnion, and a fibroblast under a serum-free condition, and a use of the differentiation-inducing culture medium additive. The differentiation-inducing culture medium additive of the present invention for inducing differentiation of a stem cell under a serum-free condition at least contains at least one growth factor selected from the group consisting of EGF, FGF, and PDGF; dexamethasone; and ?-glycerophosphate. The differentiation-inducing culture medium additive of the present invention does not require ascorbic acid 2-phosphate and ITS, which are normally essential for bone differentiation. Further, bone differentiation can be promoted by adding phospholipid.Type: GrantFiled: October 16, 2015Date of Patent: November 20, 2018Assignee: TWO CELLS Co., Ltd.Inventors: Yukio Kato, Jin Chang Shao, Koichiro Tsuji
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Patent number: 9969971Abstract: The present invention generally relates to calcium-containing structures and methods of making and using the structures. In one aspect, hollow calcium containing microstructures are used in conjunction with bone tissues/by-products to augment bone defects and extend the supply of bone tissues/by-products for bone augmentation. Bonding agents, such as calcium cements, are also used in the preparation of the hollow calcium microstructures combined with bone tissues/by-products or for use in preparing the hollow microstructures. The calcium-containing microstructures of the present invention are also useful as delivery vehicles of nitric oxide and/or nitric oxide containing or producing compounds for a variety of in vitro and in vivo uses. Calcium containing contoured substrates upon which cells/tissues can be grown in vitro for replacement and repair of tissues in vivo that conform in size and shape to the tissue surface to be replaced are also provided.Type: GrantFiled: March 4, 2013Date of Patent: May 15, 2018Assignee: CAP Biotechnology, Inc.Inventors: L. Brian Starling, James E. Stephan
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Patent number: 9879226Abstract: Disclosed is a basic culture medium for mesenchymal stem cells, and a cell therapeutic agent cultured and differentiated using same. The basic culture medium reduces the time taken from collection to mass culturing by increasing the proliferation rate of undifferentiated mesenchymal stem cells derived from an adult tissue such as human marrow and adipose tissue, and also is capable of various differentiations into treating agents for bone-forming cells, for cartilage cells, or for fat cells.Type: GrantFiled: September 6, 2011Date of Patent: January 30, 2018Assignee: SEWON CELLONTECH CO., LTD.Inventors: Dong-Sam Suh, Jun Keun Lee, Dong Il Chang, Min Jung Choi, Jang Hoon Kim, Ga Ram Kim, Cheong Ho Chang
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Patent number: 9868935Abstract: The present disclosure describes a method and composition for enhancing the survival of hematopoietic stem cells, preferably CD34+ derived from human umbilical cord or peripheral blood, in hypoxic and serum-deprived conditions by cultivating the cells in medium containing lysophosphatidic acid, preferably further comprising a gel, namely a biomimetic gel. The method and composition may be used in medicine or cosmetic application, in particular, in treatment of cardiac tissue and/or cardiac diseases, and/or in the treatment of wound healing namely diabetic wound healing.Type: GrantFiled: April 24, 2013Date of Patent: January 16, 2018Assignee: CRIOESTAMINAL, SAÚDE E TECNOLOGIA, SA.Inventors: Lino Da Silva Ferreira, Isabel Maria Fidalgo Dos Santos Silva Carvalho
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Patent number: 9469672Abstract: This invention relates to the application of hydroxyapatite chromatography to the purification of at least one antibody from a preparation containing high molecular weight aggregates. Further, this invention relates to an integration of ceramic hydroxyapatite chromatography into a combination chromatographic protocol for the removal of high molecular weight aggregates from an antibody preparation.Type: GrantFiled: October 6, 2004Date of Patent: October 18, 2016Assignee: Wyeth LLCInventors: Shujun Sun, Christopher Gallo, Brian Kelley
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Patent number: 9186379Abstract: The invention is directed to methods for preventing and/or treating necrotizing enterocolitis. The invention is further directed to reducing inflammation of the intestinal mucosa associated with necrotizing enterocolitis. The invention is further directed to methods for preventing and/or treating necrotizing enterocolitis and/or inflammation of the intestinal mucosa associated with necrotizing enterocolitis by administering to a subject suffering from such conditions, or at risk of developing such conditions, cellular factor-containing solution compositions (referred to herein as “CFS” compositions), including sustained-release cellular factor-containing solution compositions (referred to herein as “SR-CFS” compositions).Type: GrantFiled: February 19, 2014Date of Patent: November 17, 2015Assignee: STEMNION, INC.Inventor: David L Steed
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Patent number: 9061054Abstract: The ErbB-2 receptor, a member of the tyrosine kinase type 1 family of receptors, has been implicated in many human malignancies. Bacteriophage display technology was employed to identify peptides that bound to the extracellular domain of human ErbB-2. The peptide KCCYSL, most frequently occurring in the affinity selected population, was chemically synthesized and characterized for its binding activities to the recombinant extracellular domain of ErbB-2. The synthetic peptide exhibits high specificity to ErbB-2 as well as to ErbB-1, another member of ErbB family. Thus, this peptide can be employed in cancer imaging or therapeutic agent targeting to malignant cells ErbB-2 receptor.Type: GrantFiled: September 8, 2009Date of Patent: June 23, 2015Assignee: The Curators of The University of MissouriInventors: Thomas P. Quinn, Natalia G. Karasseva
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Patent number: 9040296Abstract: The present invention relates to the development and manufacturing of viral vaccines. In particular, the invention relates to the field of industrial production of viral vectors and vaccines, more in particular to the use of avian embryonic stem cells, preferably the EBx® cell line derived from chicken embryonic stem cells, for the production of viral vectors and viruses. The invention is particularly useful for the industrial production of viral vaccines to prevent viral infection of humans and animals.Type: GrantFiled: March 17, 2012Date of Patent: May 26, 2015Assignee: ValnevaInventors: Majid Mehtali, Patrick Champion-Arnaud, Arnaud Leon
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Patent number: 9040299Abstract: The present invention relates to the generation of a mucin-producing cell using stem/progenitor cells obtained from the amniotic membrane of umbilical cord and therapeutic uses of such mucin-producing cells.Type: GrantFiled: October 15, 2012Date of Patent: May 26, 2015Assignee: CELLRESEARCH CORPORATION PTE LTDInventor: Toan-Thang Phan
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Patent number: 9034647Abstract: Compositions of the invention for regenerating defective or absent myocardium comprise an emulsified or injectable extracellular matrix composition. The composition may also include an extracellular matrix scaffold component of any formulation, and further include added cells, proteins, or other components to optimize the regenerative process and restore cardiac function.Type: GrantFiled: May 5, 2014Date of Patent: May 19, 2015Assignee: CORMATRIX CARDIOVASCULAR, INC.Inventor: Robert G Matheny
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Patent number: 9029145Abstract: The present invention provides an isolated population of chondrocyte precursor cells wherein 1% or less of the cells express Oct4, Nanog and/or TRA-1-60, 7% or less of the cells express no collagen II, collagen X, CD105 or Stro-1 and 85% or more of the cells express CBFA1, methods for preparing such cells and uses of chondrocyte cells derived from said precursor cells.Type: GrantFiled: April 8, 2011Date of Patent: May 12, 2015Assignee: The University Court of the University of EdinburghInventors: Brendon Stewart Noble, David Matthew Pier
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Patent number: 9005967Abstract: The present invention provides a method for improving iPS cell generation efficiency, which comprises a step of introducing a Myc variant having the following features: (1) having an activity to improve iPS cell generation efficiency which is comparative to, or greater than that of c-Myc; and (2) having a transformation activity which is lower than that of c-Myc; or a nucleic acid encoding the variant, in a nuclear reprogramming step. Also, the present invention provides a method for preparing iPS cells, which comprises a step of introducing the above Myc variant or a nucleic acid encoding the variant and a combination of nuclear reprogramming factors into somatic cells. Moreover, the present invention provides iPS cells comprising the nucleic acid encoding the Myc variant which can be obtained by the above method, and a method for preparing somatic cells which comprises inducing differentiation of the iPS cells.Type: GrantFiled: January 21, 2011Date of Patent: April 14, 2015Assignee: Kyoto UniversityInventors: Shinya Yamanaka, Masato Nakagawa
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Patent number: 8992906Abstract: Embodiments herein relate to compositions and methods for engraftment of and increasing survival of muscle cells in a subject in need thereof. In certain embodiments, compositions including myofibers and/or satellite stem cells may be administered to a subject. Other embodiments relate to compositions and methods for introducing one or more compounds to a subject using cell compositions disclosed herein. Still other embodiments relate to uses of these compositions in kits for portable applications and methods.Type: GrantFiled: April 11, 2008Date of Patent: March 31, 2015Assignee: The Regents of the University of Colorado, a body corporateInventors: Bradley Bruce Olwin, John K. Hall, Kathleen Kelly Tanaka
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Publication number: 20150079659Abstract: The present invention provides a cell culture medium formulation that supports the in vitro cultivation, particularly in suspension, of mammalian cells, particularly epithelial cells and fibroblast cells, and methods for cultivating mammalian cells in suspension in vitro using these media. The media comprise a basal medium and a polyanionic or polyanionic compound, preferably a polysulfonated or polysulfated compound, and more preferably dextran sulfate. The present invention also provides chemically defined, protein-free eukaryotic cell culture media comprising an iron chelate and zinc, which is capable of supporting the growth (and particularly the high-density growth of mammalian cells) in suspension culture, increasing the level of expression of recombinant protein in cultured cells, and/or increasing virus production in cultured cells.Type: ApplicationFiled: May 22, 2014Publication date: March 19, 2015Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Stephen GORFIEN, Richard FIKE, GLENN GODWIN, JOYCE WOLANSKE, David EPSTEIN, Dale GRUBER, Don MCCLURE, Paul PRICE
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Patent number: 8980628Abstract: This invention relates to methods of producing hair folliclesin vitro, compositions for producing hair follicles in vitro, in vitro produced hair follicles, methods of providing an in vitro produced hair shaft at an interfollicular or intrafollicular site, methods of treating hair loss by providing an in vitro produced hair shaft at an interfollicular or intrafollicular site and assays for studying the effect of test agents on hair biology. The invention also provides the similar methods and products which are, or use, immature follicles (“defined herein as proto-hairs”). The invention provides a method for in vitro production of a hair follicle or a proto-hair comprising co-culturing dermal papilla cells with keratinocytes, and optionally with melanocytes.Type: GrantFiled: March 15, 2007Date of Patent: March 17, 2015Assignee: Aderans Research Institute, Inc.Inventors: Jizeng Qiao, Jeffrey Keeler Teumer, Erica Jean Philips
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Patent number: 8975072Abstract: Provided are: a method for producing an immortalized human erythroid progenitor cell line, enabling efficient and stable production of enucleated red blood cells; and a method for producing human enucleated red blood cells from a human erythroid progenitor cell line obtained by the aforementioned production method. An expression cassette capable of inducing expression of HPV-E6/E7 genes in the presence of DOX was introduced into the genomic DNA of blood stem cells. Then, the blood stem cells were cultured in the presence of DOX and a blood growth factor. Thereby, immortalized cell lines of human erythroid progenitor cells were established. Further, it was revealed that culturing the cell lines under a condition where the expression of the HPV-E6/E7 genes was not induced enabled differentiation induction into enucleated red blood cells at a high ratio.Type: GrantFiled: January 18, 2013Date of Patent: March 10, 2015Assignee: RikenInventors: Yukio Nakamura, Ryo Kurita
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Patent number: 8969081Abstract: Disclosed are methods for generating a neuron expressing Hoxc8 transcription factor or a caudal motor neuron comprising culturing an embryonic stem cell in a composition which is essentially free of retinoids and comprises an isotonic salt solution, so as to generate the neuron which expresses Hoxc8 transcription factor or the caudal motor neuron. Disclosed are also methods for generating a caudal brachial motor neuron, a thoracic motor neuron, or a lumbar motor neuron from an embryonic stem cell in a composition essentially free of retinoids and comprising ADFNK medium, an amount of FGF-2, or Gdf11 respectively. Disclosed are also methods of transplanting a motor neuron into a subject comprising generating the motor neuron and transplanting the motor neuron into the subject. Disclosed is also a population of motor neuron cells enriched for motor neuron cells expressing Foxp1 and expressing a gene associated with Spinal Muscular Atrophy (SMA) or Amyotrophic Lateral Sclerosis (ALS).Type: GrantFiled: December 9, 2009Date of Patent: March 3, 2015Assignee: The Trustees of Columbia University in the City of New YorkInventors: Hynek Wichterle, Thomas M. Jessell, Mirza Peljto
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Patent number: 8962324Abstract: A composition for reconstruction, replacement or repair of damaged or diseased biological tissue comprising an extracellular matrix (ECM) composition that includes an ECM scaffold component and a bioactive agent component. In a preferred embodiment, the ECM scaffold component comprises mesothelial tissue and the bioactive agent comprises a statin.Type: GrantFiled: June 13, 2013Date of Patent: February 24, 2015Inventor: Robert G Matheny
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Patent number: 8956830Abstract: Polypeptide preparations having target levels of glycans, and methods of producing such polypeptide preparations using DMSO, are described.Type: GrantFiled: March 14, 2013Date of Patent: February 17, 2015Assignee: Momenta Pharmaceuticals, Inc.Inventors: Holly Prentice, Rasheed Tijani, Brett Belongia
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Patent number: 8956866Abstract: The present invention concerns RPE cells obtainable by directed differentiation from stem cell, particularly, human stem cells. It has been specifically found that culturing stem cells in the presence of one or more member of the TGF? superfamily, such as Activin A) induced directed differentiation into mature and functional RPE cells. This was evidenced by the expression of markers specific to mature RPE cells, including MiTF-A, RPE65 or Bestrophin). In accordance with one particular embodiment, the cells are a priori cultured with nicotinamide (NA) which was found to augment the cells' response to the inductive effect of the one or more member of the TGF? superfamily. The invention also provides methods of performing the directed differentiation, as well as methods for use of the resulting RPE cells.Type: GrantFiled: April 27, 2008Date of Patent: February 17, 2015Assignee: Hadasit Medical Research Services and Development Ltd.Inventors: Masha Idelson, Ruslana Alper-Pinus, Alex Obolensky, Eyal Banin, Benjamin Reubinoff
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Patent number: 8956868Abstract: The present invention provides a method for producing iPS cells, comprising reacting cells with at least one connexin inhibitor and at least one TGF? signaling inhibitor; iPS cells comprising at least one connexin inhibitor; an iPS cell inducer comprising at least one inhibitor selected from the group consisting of connexin inhibitors and TGF? signaling inhibitors; a medium for inducing iPS cells, comprising at least one inhibitor selected from the group consisting of connexin inhibitors and TGF? signaling inhibitors; and a kit for inducing iPS cells, comprising at least one inhibitor selected from the group consisting of connexin inhibitors and TGF? signaling inhibitors.Type: GrantFiled: December 27, 2011Date of Patent: February 17, 2015Assignee: LSIP, LLCInventors: Tetsuro Takamatsu, Ping Dai
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Patent number: 8951798Abstract: Methods for generating high-yield, high-purity cardiomyocyte progenitors or cardiomyocytes from pluripotent cells are described. Wnt/?-catenin signaling is first activated in pluripotent cells, e.g., by inhibition of Gsk-3 to obtain a first population of cells. Wnt/?-catenin signaling is then inhibited in the first cell population to induce cardiogenesis under fully defined, growth factor free culture conditions.Type: GrantFiled: October 12, 2012Date of Patent: February 10, 2015Assignee: Wisconsin Alumni Research FoundationInventors: Sean Palecek, Timothy Kamp, Xiaojun Lian
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Patent number: 8951796Abstract: The present invention is directed to methods and compositions for expanding and stabilizing the phenotype of natural regulatory T cells. In particular, the present invention provides methods and compositions for treating natural regulatory T cells that renders the cells resistant to factors present in the inflammatory milieu and stabilizes the suppressive properties of the cells.Type: GrantFiled: April 21, 2011Date of Patent: February 10, 2015Assignee: University of Southern CaliforniaInventors: Song Guo Zheng, David A. Horwitz, Juhua Wong
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Patent number: 8951800Abstract: This disclosure provides an improved system for culturing human pluripotent stem cells. Traditionally, pluripotent stem cells are cultured on a layer of feeder cells (such as mouse embryonic fibroblasts) to prevent them from differentiating. In the system described here, the role of feeder cells is replaced by components added to the culture environment that support rapid proliferation without differentiation. Effective features are a suitable support structure for the cells, and an effective medium that can be added fresh to the culture without being preconditioned by another cell type. Culturing human embryonic stem cells in fresh medium according to this invention causes the cells to expand surprisingly rapidly, while retaining the ability to differentiate into cells representing all three embryonic germ layers. This new culture system allows for bulk proliferation of pPS cells for commercial production of important products for use in drug screening and human therapy.Type: GrantFiled: February 22, 2010Date of Patent: February 10, 2015Assignee: Asterias Biotherapeutics, Inc.Inventors: Ramkumar Mandalam, Chunhui Xu, Joseph D. Gold, Melissa K. Carpenter
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Patent number: 8945922Abstract: Provided are an iPS cell derived from a somatic cell such as an NKT cell, having the ?-chain region of the T cell antigen receptor gene rearranged to uniform V?-J? in an NKT cell receptor-specific way, NKT cells differentiated from the iPS cell, a method of creating the same, and an immune cell therapy agent prepared using cells differentiated from the iPS cell.Type: GrantFiled: September 8, 2009Date of Patent: February 3, 2015Assignee: RikenInventors: Hiroshi Watarai, Haruhiko Koseki, Masaru Taniguchi, Shin-ichiro Fujii
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Patent number: 8940537Abstract: The present disclosure provides methods for maintaining and propagating undifferentiated pluripotent stem cells (SC) in suspension. The methods comprise culturing such SC in a non-adherent culture dish under conditions comprising a basic serum free medium and one or more of a basic medium, a serum replacement, an extra cellular matrix component and a factor supporting expansion of said SC. A specific and preferred culture condition comprise supplementing Neurobasal™ medium with KO serum replacement (KOSR). These conditions allowed for large scale and long term propagation of undifferentiated pluripotent SC. The culture system comprising suspended undifferentiated pluripotent SC were found to have many applications including in methods for directed as well as spontaneous differentiation of the SC into somatic cells. Also disclosed herein is a method of deriving SC, preferably human embryonic SC from human embryos via the formation of cell clusters.Type: GrantFiled: January 25, 2012Date of Patent: January 27, 2015Assignee: Hadasit Medical Research Services & Development LimitedInventors: Benjamin Reubinoff, Debora Steiner
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Patent number: 8940535Abstract: Methods and compositions are provided for isolation of proliferating cells. In particular, the methods enrich stem cells in a mixture of stem cells and non-stem cells, and in some cases the non-stem cells may be differentiated cells. The methods exploit the non-adherent property of stem cells, as opposed to the adherent property of differentiating cells, by serially passaging the suspended cells in liquid media.Type: GrantFiled: November 4, 2004Date of Patent: January 27, 2015Assignees: University of Maryland, Baltimore, The United States of America as Represented by the Dept of Veterans AffairsInventors: G. David Trisler, Christopher T. Bever, Jr., James E. Goolsby, Bernard M. Pessac
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Publication number: 20150024491Abstract: An object of the present invention is to develop and provide a method for producing a neuron model having reproduced in vivo properties by improving a cell culture medium composition and a cell culture medium composition necessary for the production of such neuron model. According to the present invention, cell culture is carried out in vitro using a medium for producing in vivo-like and enhanced synaptogenesis neuron model supplemented with a medium supplement for producing in vivo-like and enhanced synaptogenesis neuron model comprising any or any combination of NT-3, potassium or a salt thereof, and FGF2.Type: ApplicationFiled: March 27, 2012Publication date: January 22, 2015Applicant: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITYInventors: Dimitar Ivanov Dimitrov, Laurent Elie Guillaud, Zacharie Mehdi Francois Taoufiq, Tomoyuki Takahashi
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Patent number: 8936939Abstract: The invention provides tissue culture system for primary cells (e.g. normal mammalian primary epithelial progenitors). This system includes: a) a serum-free, chemically defined cell culture media; and, b) methods for isolation and in vitro long-term propagation of primary cells (e.g. primary epithelial cells). Primary cells so isolated and cultured can be kept undifferentiated and proliferate for many weeks (>15 weeks) or population doubling (>35 PD) without senescence, or any detectable genetic alterations. Upon changing media/culture conditions, these cells can be induced to differentiate. The invention also provides methods to transform normal primary cells so cultured into “cancer stem cells.” The genetically defined cancer stem cell tumor model mimics the behavior of the disease closely, e.g., the cells are invasive, hormone responsive and metastatic when injected into mice. The tumor cells express genes that are specific to cancer stem cells identified in patient samples.Type: GrantFiled: July 23, 2012Date of Patent: January 20, 2015Assignees: Whitehead Institute for Biomedical Research, The Brigham and Women's Hospital, Inc.Inventors: Tan A. Ince, Robert A. Weinberg
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Publication number: 20150017134Abstract: In some aspects, compositions and methods useful for generating stem cells from epithelial cells are disclosed.Type: ApplicationFiled: March 1, 2013Publication date: January 15, 2015Inventors: Wenjun Guo, Robert A. Weinberg, Zuzana Keckesova
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Patent number: 8927281Abstract: The present invention relates to compounds and compositions for expanding the number of CD34+ cells for transplantation. The invention further relates to a cell population comprising expanded hematopoietic stem cells (HSCs) and its use in autologous or allogeneic transplantation for the treatment of patients with inherited immunodeficient and autoimmune diseases and diverse hematopoietic disorders to reconstitute the hematopoietic cell lineages and immune system defense.Type: GrantFiled: October 29, 2009Date of Patent: January 6, 2015Assignees: IRM LLC, The Scripps Research InstituteInventors: Anthony E. Boitano, Michael Cooke, Shifeng Pan, Peter G. Schultz, John Tellew, Yongqin Wan, Xing Wang
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Patent number: 8927276Abstract: The present invention relates to a simplified process, which is shorter in time, for propagation of proliferating cells, such as e.g. progenitor or stem cells, by means of a biphasic culturing system having a differentiation supporting component and a proliferation supporting component, and to the use of the stem cell cultures obtained in this way for cell therapy purposes. The present invention invention describes a method, which is highly efficient to prime stem or progenitor cells to differentiation using non-attachment matrices and differentiation supporting component. The cells produced therefrom may be used to treat a variety of neurodegenerative disorders.Type: GrantFiled: February 17, 2010Date of Patent: January 6, 2015Assignee: Cellin Technologies OUEInventors: Kaia Palm, Toomas Neuman
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Publication number: 20150004146Abstract: Methods of culturing mesenchymal stem cells are provided. The methods comprise culturing MSCs in a medium comprising nicotinamide and fibroblast growth factor 4 (FGF4). Populations of mesenchymal stem cells generated using the methods described herein and uses thereof are also provided.Type: ApplicationFiled: February 13, 2012Publication date: January 1, 2015Applicant: Gamida-Cell Ltd.Inventors: Tony Peled, Yair Steinhardt
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Patent number: 8895299Abstract: A method of increasing the growth of stem cells by mixing the stem cells with a growth medium that has been conditioned by an incubation with placental tissue. The method increases the expansion of the stem cell population.Type: GrantFiled: June 25, 2010Date of Patent: November 25, 2014Assignee: XON Cells, Inc.Inventor: Neil H. Riordan
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Patent number: 8895303Abstract: In one aspect the present invention is concerned with a method of cell culture, comprising the steps of (i) obtaining a stem or progenitor cell sample, (ii) culturing the stem or progenitor cell sample in media and under closed conditions appropriate to cause proliferation or differentiation of the stem or progenitor cells, wherein the media comprises a vEPO protein variant, (iii) purifying the stem or progenitor cells ex vivo. The invention relates to a method of increasing the number and survival of stem and progenitor cells in vitro and in vivo using a vEPO protein variant. The invention also relates to improved differentiation of stem and progenitor cells in vitro and in vivo using a vEPO protein variant.Type: GrantFiled: November 12, 2007Date of Patent: November 25, 2014Assignee: Charite-Universitatsmedizin BerlinInventors: Josef Priller, Christel Bonnas, Andreas Meisel
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Patent number: 8895300Abstract: The present invention relates to methods for production of undifferentiated or differentiated embryonic stem cell aggregate suspension cultures from undifferentiated or differentiated embryonic stem cell single cell suspensions and methods of differentiation thereof.Type: GrantFiled: November 8, 2012Date of Patent: November 25, 2014Assignee: Viacyte, Inc.Inventor: Thomas C Schulz
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Patent number: 8895301Abstract: A transcription factor both necessary and sufficient for human neuroectoderm specification, Pax6, as well as applications thereof, is disclosed.Type: GrantFiled: January 27, 2012Date of Patent: November 25, 2014Assignee: Wisconsin Alumni Research FoundationInventors: Su-Chun Zhang, Xiaoqing Zhang
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Publication number: 20140335616Abstract: The present invention provides cell culture media formulations which support the in vitro cultivation of animal epithelial cells. The media comprise at least one fibroblast growth factor (FGF) and at least one agent that induces increased intracellular cAMP levels, and optionally comprise ascorbic acid. The present invention also provides methods of cultivating animal epithelial cells in vitro using these cell culture media formulations, kits comprising the media, cell culture compositions comprising the culture media and an animal epithelial cell, and compositions that may be used as replacements for organ or gland extracts in animal cell culture media.Type: ApplicationFiled: August 14, 2013Publication date: November 13, 2014Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: David JUDD, Paul Battista
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Patent number: 8883502Abstract: The invention provides methods for obtaining neural stem cells from a mammalian embryonic or inducible pluripotent stem cell population comprising culturing mammalian embryonic or inducible pluripotent stem cells in a cell culture medium having a leukemia inhibitory factor (LIF), an inhibitor of glycogen synthase kinase 3 (GSK3), and an inhibitor of transforming growth factor ? (TGF-?) under suitable conditions and obtaining isolated neural stem cells therefrom.Type: GrantFiled: September 9, 2011Date of Patent: November 11, 2014Assignee: The Regents of the University of CaliforniaInventors: Kang Zhang, Sheng Ding
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Patent number: 8883504Abstract: The object of the present invention is to provide a differentiation inhibiting agent which allows culture of a stem cell or an embryonic stem cell in an undifferentiated state without use of any feeder cell, a method for culturing using the same, a cell culture liquid using the same, and a cell prepared by culturing using this differentiation inhibiting agent. The present invention provides a differentiation inhibiting agent which comprises a low molecular weight compound, especially a tetrahydroisoquinoline derivative, as an active ingredient; a method for safely culturing a stem cell in large scale in undifferentiated state in the absence of feeder cell which comprises culturing a stem cell by using a tetrahydroisoquinoline derivative; a culture liquid for stem cells comprising a tetrahydroisoquinoline derivative; and a cell which is obtained by culture using a tetrahydroisoquinoline derivative as a differentiation inhibiting agent.Type: GrantFiled: September 18, 2008Date of Patent: November 11, 2014Assignee: Asahi Kasei Kabushiki KaishaInventors: Tomoyuki Miyabayashi, Masashi Yamamoto
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Patent number: 8871510Abstract: This disclosure describes methods for differentiating T cells and NK cells in vitro from hematopoietic stem cells or precursor cells. The technology is directed to methods for the production of selected populations of lymphocytes, such as T cells and NK cells. The availability of such cell populations allows for the complete reconstitution of a depleted, defective or missing lymphocyte population in a patient.Type: GrantFiled: December 2, 2010Date of Patent: October 28, 2014Assignee: University of Utah Research FoundationInventors: Gerald John Spangrude, Birgitta H. Mitchell, Jared Manning
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Patent number: 8871511Abstract: Methods for treating a cardiovascular disorder comprising concomitant administration of one or more extracellular matrix (ECM) based compositions directly to damaged or diseased cardiovascular tissue associated with the cardiovascular disorder, and provision of ventricular assistance. In a preferred embodiment, the ECM based compositions include an ECM material derived from a mammalian source.Type: GrantFiled: June 11, 2013Date of Patent: October 28, 2014Assignee: CorMatrix Cardiovascular, IncInventors: Robert G Matheny, Anna Fallon
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Patent number: 8859280Abstract: A composition and method for in vitro fertilization is provided which uses culture media comprising elevated concentrations of lipoic acid. More specifically, the invention provides culture media for developmental cells having a lipoic acid concentration of 5 ?M to 40 ?M. Culture media that include lipoic acid at concentrations within the identified range are able to provide blastocysts with increased survival, increased cell numbers, increased inner cell masses and/or increased percentage of the total mass made up by the inner cell compared to blastocysts cultured in a control medium.Type: GrantFiled: August 23, 2013Date of Patent: October 14, 2014Assignee: Vitrolife Sweden ABInventors: David K Gardner, Mark G Larman, Donald Linck
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Publication number: 20140295552Abstract: The present invention provides methods of preparing aggregated pluripotent stem cell clusters for differentiation. Specifically, the invention discloses methods of differentiating pluripotent cells into beta cell, cardiac cell and neuronal cell lineages using suspension clustering. The methods involve preparing the aggregated cell clusters followed by differentiation of these clusters.Type: ApplicationFiled: June 17, 2014Publication date: October 2, 2014Inventors: Benjamin FRYER, Daina Laniauskas, Marcia Blackmoore, Haiyun Wang, Kostadinka Lilova, Shelley Nelson, Elizabeth Rosocha
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Patent number: 8841123Abstract: Methods for culturing undifferentiated mammalian cells, such as stem and progenitor cells, are provided. The methods involve incubating the cell in the presence of a sustained release composition containing at least one growth factor, wherein the sustained release composition continuously releases the growth factor(s), and wherein the presence of the sustained level of growth factor maintains the cell in an undifferentiated state.Type: GrantFiled: June 12, 2013Date of Patent: September 23, 2014Assignee: Regenerative Research FoundationInventors: Jeffrey Stern, Sally Temple Stern