Contains A Growth Factor Or Growth Regulator Patents (Class 435/405)
-
Patent number: 12187784Abstract: The present application provides methods and processes for making and using a fibronectin composition, as well as methods for treating ocular conditions and/or disorders with the cellular fibronectin composition described herein.Type: GrantFiled: July 1, 2022Date of Patent: January 7, 2025Assignee: COMBANGIO, INC.Inventors: Spencer Alford, Audrey Smith
-
Patent number: 12163154Abstract: The present invention relates to the use of peptide compounds for promoting survival and/or growth and/or differentiation of progenitor cells or stem cells.Type: GrantFiled: December 5, 2017Date of Patent: December 10, 2024Assignee: Axoltis PharmaInventor: Stéphane Gobron
-
Patent number: 12103953Abstract: Provided is a polypeptide having FGF2 activity and improved temperature stability and protease resistance. The polypeptide includes at least one substitution selected from a substitution of aspartic acid (D) with glutamic acid (E) at position 28, a substitution of cysteine (C) with isoleucine (I) or leucine (L) at position 78, or a substitution of cysteine (C) with isoleucine (I) or tryptophan (W) at position 96 in SEQ ID NO: 1.Type: GrantFiled: November 16, 2020Date of Patent: October 1, 2024Assignees: KOREA INSTITUTE OF OCEAN SCIENCE TECHNOLOGYInventors: Jung-Hyun Lee, Hyung-Soon Yim, Young Jun An, Kyeong Won Lee, Ye Eun Jeong, Kiweon Cha, Won Kyu Lee, Jurang Woo
-
Patent number: 12029764Abstract: A method for obtaining epithelial organoids is provided. In one embodiment, the method comprises culturing one or more epithelial ducts, epithelial duct fragments and/or epithelial stem cells isolated therefrom in contact with an extracellular matrix in the presence of a basal medium, wherein the medium is free of FGF and/or nicotinamide. Organoids obtained by the methods described herein, and uses thereof, are also provided.Type: GrantFiled: May 29, 2018Date of Patent: July 9, 2024Assignee: STEMCELL TECHNOLOGIES CANADA INC.Inventors: Charis-Patricia Segeritz, Ryan Conder, Michael Riedel
-
Patent number: 12031151Abstract: Methods of improving recombinant protein titer and cell titer in cell culture using cell culture media having reduced impurities are provided, and well as cell culture media having reduced impurities that can used for the production of a recombinant protein and cells with improved titer. The cell culture media having reduced impurities comprises a HEPES buffer, and the reduced impurities are HEPES related impurities. In certain aspects, methods and media improve protein titer, cell growth, and/or viable cell density.Type: GrantFiled: January 19, 2022Date of Patent: July 9, 2024Assignee: Regeneron Pharmaceuticals, Inc.Inventors: Reginald Smith, Sarah Nicoletti, Victor Shashilov, Hongxia Wang, Jikang Wu, Abdelqader Zamamiri
-
Patent number: 11981924Abstract: Provided are a composition for culturing NK cells, and a method of culturing NK cells using the same. According to an aspect, in culturing NK cells from peripheral blood mononuclear cells, when NK cells are cultured in a medium including the composition for culturing NK cells, the composition including IL-15, IL-18, and IL-27, the NK cells may proliferate in large quantities and activation of NK cells may be promoted. Therefore, when the NK cells are used, cancer cell apoptosis or cancer cell-killing ability may be promoted. Accordingly, the NK cells may be used as an effective adoptive immune cell therapy product in cancer prevention or treatment.Type: GrantFiled: July 17, 2023Date of Patent: May 14, 2024Assignee: SUNGKWANG MEDICAL FOUNDATIONInventors: Hee Jung An, Yeon Ho Choi, Eun Jin Lim, Yong Wha Moon, Se Wha Kim
-
Patent number: 11918702Abstract: Described herein are new methods for making lung bud organoids (LBOs) that have the capacity of developing into branching airways and alveolar structures that a least partially recapitulate human lung development from mammalian, preferably human, pluripotent stem cells including embryonic stem cells (ESCs) and induced pluripotent stem cells (IPSC), either by culturing branched LBO in a 3D matrix or by transplanting the LBO under the kidney capsule of immune deficient mice. Branched LBOs contain pulmonary endoderm and mesoderm compatible with pulmonary mesenchyme, and undergo branching morphogenesis. Also described are LBOs harboring certain mutations that induce a fibrotic phenotype, and methods of making same. The mutated (B)LBOs can be used for screening agents that may treat pulmonary fibrosis.Type: GrantFiled: March 26, 2018Date of Patent: March 5, 2024Assignee: The Trustees of Columbia University in the City of New YorkInventors: Hans-Willem Snoeck, Ya-Wen Chen
-
Patent number: 11919942Abstract: The present application provides methods and processes for making and using a fibronectin composition, as well as methods for treating ocular conditions and/or disorders with the cellular fibronectin composition described herein.Type: GrantFiled: August 11, 2023Date of Patent: March 5, 2024Assignee: COMBANGIO, INC.Inventors: Spencer Alford, Audrey Smith
-
Patent number: 11891428Abstract: The present application provides methods and processes for making and using a fibronectin composition, as well as methods for treating ocular conditions and/or disorders with the cellular fibronectin composition described herein.Type: GrantFiled: July 8, 2022Date of Patent: February 6, 2024Assignee: COMBANGIO, INC.Inventors: Spencer Alford, Audrey Smith
-
Patent number: 11884826Abstract: Labeled nucleotide analogs comprising at least one avidin protein, at least one dye-labeled compound, and at least one nucleotide compound are provided. The analogs are useful in various fluorescence-based analytical methods, including the analysis of highly multiplexed optical reactions in large numbers at high densities, such as single molecule real time nucleic acid sequencing reactions. The analogs are detectable with high sensitivity at desirable wavelengths. They contain structural components that modulate the interactions of the analogs with DNA polymerase, thus decreasing photodamage and improving the kinetic and other properties of the analogs in sequencing reactions. Also provided are nucleotide and dye-labeled compounds of the subject analogs, as well as intermediates useful in the preparation of the compounds and analogs. Compositions comprising the compounds, methods of synthesis of the intermediates, compounds, and analogs, and mutant DNA polymerases are also provided.Type: GrantFiled: December 20, 2021Date of Patent: January 30, 2024Assignee: Pacific Biosciences of California, Inc.Inventors: Lubomir Sebo, Honey Osuna, Stephen Yue, Yuri Lapin
-
Patent number: 11834681Abstract: A cell culture medium for culturing organoid containing at least two types of components selected from the group consisting of insulin-like growth factor 1 (IGH1), fibroblast growth factor 2 (FGF2) and epiregulin (EREG), and at least one type of component among the following components i (to III); i) Wnt agonist, ii) bone morphogenetic protein (BMP) inhibitor, and iii) transforming growth factor-? (TGIF-?) inhibitor.Type: GrantFiled: March 20, 2020Date of Patent: December 5, 2023Assignee: KEIO UNIVERSITYInventors: Toshiro Sato, Mami Matano
-
Patent number: 11834678Abstract: A method of generating hematopoietic stem cells for transplantation is disclosed. The method comprising: (a) collecting hematopoietic stem cells; and (b) contacting the hematopoietic stem cells with an agent capable of decreasing an activity or expression of CD74 and/or of macrophage migration inhibitory factor (MIF), to thereby generate hematopoietic stem cells for transplantation, and wherein the hematopoietic stem cells are not transduced with a lentivirus. Methods of increasing mobilization of hematopoietic stem cells and methods of treatment are also provided.Type: GrantFiled: November 14, 2018Date of Patent: December 5, 2023Assignee: Yeda Research and Development Co. Ltd.Inventors: Idit Shachar, Shirly Herman
-
Patent number: 11773370Abstract: Provided are a method of preparing a stem cell-derived epidermal progenitor cell conditioned medium, the method including: differentiating stem cells to stem cell-derived epidermal progenitor cells by culturing the stem cells in a differentiation medium containing ascorbic acid and hydrocortisone; producing a culture of stem cell-derived epidermal progenitor cells by culturing the differentiated stem cell-derived epidermal progenitor cells in a medium; and recovering the stem cell-derived epidermal progenitor cell conditioned medium from the culture of the stem cell-derived epidermal progenitor cells, a stem cell-derived epidermal progenitor cell conditioned medium prepared by the method, and a method of producing a protein from stem cell-derived epidermal progenitor cells, the method including the method of preparing the stem cell-derived epidermal progenitor cell conditioned medium.Type: GrantFiled: July 2, 2018Date of Patent: October 3, 2023Assignee: CHA BIOTECH CO., LTD.Inventors: Ji Min Yu, Ae Ri Kim
-
Patent number: 11760978Abstract: A cell culture medium for culturing organoid containing at least two types of components selected from the group consisting of insulin-like growth factor 1 (IGH1), fibroblast growth factor 2 (FGF2) and epiregulin (EREG), and at least one type of component among the following components i (to III); i) Wnt agonist, ii) bone morphogenetic protein (BMP) inhibitor, and iii) transforming growth factor-? (TGIF-?) inhibitor.Type: GrantFiled: March 20, 2020Date of Patent: September 19, 2023Assignee: KEIO UNIVERSITYInventors: Toshiro Sato, Mami Matano
-
Patent number: 11725184Abstract: The invention relates to improved culture methods for expanding epithelial stem cells and obtaining organoids, to culture media involved in said methods, and to uses of said organoids.Type: GrantFiled: January 15, 2020Date of Patent: August 15, 2023Assignee: Koninklijke Nederlandse Akademie Van WetenschappenInventors: Meritxell Huch Ortega, Johannes Carolus Clevers, Sylvia Fernandez Boj
-
Patent number: 11566222Abstract: A method for expanding a population of ?? T-cells is provided in which isolated activated Peripheral Blood Mononuclear Cells (PBMCs) are cultured in a medium comprising transforming growth factor beta (TGF-?) under conditions in which the production of effector ?? T-cells having therapeutic activity against malignant disease is favored. The use of TGF-? in the production of effector cells in particular V?9V?2 T-cells is also described and claimed.Type: GrantFiled: December 18, 2019Date of Patent: January 31, 2023Assignee: KING'S COLLEGE LONDONInventors: John Maher, Ana Catarina Parente Pereira Puri, Richard Esmond Beatson
-
Patent number: 11369718Abstract: The present technology relates to a method of augmenting soft facial tissue in a human subject using a liquid suspension including amnion allograft. Analysis of the changes to midface volume, specifically the Ogee curve, observed in the chronological progression of photographs illustrates aesthetic improvements in both Platelet Rich Plasma (PRP) and amnion allograft treatment groups, with changes in the facial grading scale. Less patient downtime and slightly more rapid improvements were noted in the amnion group in comparison to PRP treatment participants. As a result, the amnion allograft provides advantages over the PRP procedure.Type: GrantFiled: August 22, 2019Date of Patent: June 28, 2022Assignee: Ariasa LLCInventor: Alissa Davis Pace
-
Patent number: 11166983Abstract: The present invention relates to novel methods for the isolation and the selective ex vivo expansion of V?2? TCR??+T cells and to their clinical application.Type: GrantFiled: June 8, 2016Date of Patent: November 9, 2021Assignee: LYMPHACT—LYMPHOCYTE ACTIVATION TECHNOLOGIES, S.A.Inventors: Diogo Antonio Remechido Anjos, Daniel Vargas Correia, Anfonso Rocha Martins De Almeida
-
Patent number: 11111480Abstract: A growth medium for culturing mesenchymal stem cells. The medium comprises a serum, a fibroblast growth factor, and either an L-cysteine, a glutathione, or an N-acetyl cysteine. Optionally, the medium can comprise various quantities of an epidermal growth factor, a hydrocortisone, a calcium chloride, an insulin, a pituitary extract, a selenium, a stromal-derived factor, a sodium pyruvate, a transferrin, and serum-free medium.Type: GrantFiled: October 29, 2018Date of Patent: September 7, 2021Assignee: HOPE BIOSCTENCES, LLCInventor: Hyeonggeun Park
-
Patent number: 10959425Abstract: A method of banking stem cells by harvesting stem cells from an individual and culturing the harvested stem cells to generate a P0 culture. The method includes storing a desired amount of P0 stem cells via cryopreservation and subculturing a portion of the P0 stem cells to generate a P1 culture. A desired amount of P1 stems cells can then be stored via cryopreservation and further generations can be stored as desired.Type: GrantFiled: September 24, 2018Date of Patent: March 30, 2021Assignee: HOPE BIOSCIENCES, LLCInventor: Hyeonggeun Park
-
Patent number: 10745669Abstract: Cultivating a pluripotent stem cell in a medium comprising at least one member selected from the group consisting of ethanolamine, an ethanolamine analog, and a pharmaceutically acceptable salt thereof, and which is substantially free of ?-mercaptoethanol or contains ?-mercaptoethanol at a concentration of not more than 9 ?M, and the like, is effective for the proliferation of a pluripotent stem cell while maintaining an undifferentiated state.Type: GrantFiled: July 30, 2015Date of Patent: August 18, 2020Assignee: AJINOMOTO CO., LTD.Inventors: Sho Senda, Tomomi Yoshida, Satoru Okamoto, Yoko Kuriyama, Manabu Kitazawa, Ikue Harata, Nao Sugimoto
-
Patent number: 10196596Abstract: Disclosed herein are capillary fabrication devices comprising living cells within a support medium. Culture of the cells produces viable lumenized capillary networks with natural or pre-determined geometries and ECM and basement membrane associated with the capillary networks. The capillary networks and the ECM and basement membrane detachable from the capillary networks are useful for tissue engineering applications.Type: GrantFiled: February 22, 2016Date of Patent: February 5, 2019Assignee: National Institutes of Health (NIH), U.S. Dept. of Health and Human Services (DHHS), The United States of America NIH Division of Extramural Inventions and Technology Resources (DEITR)Inventors: James A. Glazier, Abdelkrim Alileche, Abbas Shirinifard, Dragos Amarie
-
Patent number: 9771559Abstract: The present invention relates to methods for expanding a stem cell population. More particularly, the invention relates, inter alia, to methods and compositions for expanding a stem cell population, particularly a hematopoietic stem cell population.Type: GrantFiled: May 20, 2013Date of Patent: September 26, 2017Assignee: Stowers Institute for Medical ResearchInventors: John M. Perry, Linheng Li, Justin C. Grindley
-
Patent number: 9428730Abstract: Provided herein are coatings for stem cell cultureware comprising poly-L-ornithine and bovine fibronectin and methods for preparing coated stem cultureware comprising contacting cultureware with poly-L-ornithine and contacting the cultureware with bovine fibronectin. Also provided are stem cell culture media comprising epidermal growth factor, beta-fibroblast growth factor and N2 supplement.Type: GrantFiled: February 29, 2012Date of Patent: August 30, 2016Assignee: Mead Johnson Nutrition CompanyInventors: Chenzhong Kuang, Yan Xiao, Zeina Jouni, Eduard K. Poels, Dirk Hondmann
-
Patent number: 9173927Abstract: The invention is directed to novel cellular factor-containing solution compositions (referred to herein as “CFS” compositions), including novel sustained-release cellular factor-containing solution compositions (referred to herein as “SR-CFS” compositions), methods of making such novel compositions and uses thereof.Type: GrantFiled: August 1, 2014Date of Patent: November 3, 2015Assignee: STEMNION, INC.Inventors: Charlotte A Emig, Catherine J Trumpower, George L Sing
-
Patent number: 9096852Abstract: Method of identifying and using compounds which inhibit the expression or activity of micro-RNAs for preventing and/or attenuating ageing, and/or for hydrating skin. An in vitro method for screening for candidate compounds for preventing and/or attenuating ageing of the skin, and/or for hydrating the skin, includes the following steps: a. bringing at least one test compound in contact with a sample of keratinocytes; b. measuring the expression or the activity of at least one microRNA in the keratinocytes; c. selecting the compounds for which an inhibition of at least 20%, preferably at least 30%, preferably at least 40% of the expression or an inhibition of at least 20%, preferably at least 30%, preferably at least 40% of the activity of at least one microRNA is measured in the keratinocytes treated in a. compared with the untreated keratinocytes.Type: GrantFiled: June 7, 2011Date of Patent: August 4, 2015Assignee: CHANEL PARFUMS BEAUTEInventors: Eleonora Candi, Gennaro Melino, Gaelle Saintigny, Christian Mahe
-
Patent number: 9029146Abstract: We disclose a method of preparing a conditioned cell culture medium, the method comprising the steps of: (a) culturing a mesenchymal stem cell (MSC), a descendent thereof or a cell line derived therefrom in a cell culture medium; and (b) optionally isolating the cell culture medium; in which the mesenchymal stem cell (MSC) is obtained by propagating a cell obtained by dispersing a embryonic stem (ES) cell colony, or a descendent thereof, in the absence of co-culture in a serum free medium comprising FGF2.Type: GrantFiled: August 15, 2007Date of Patent: May 12, 2015Assignee: Agency for Science, Technology and ResearchInventors: Sai Kiang Lim, Elias Lye
-
Patent number: 8999707Abstract: This invention relates to a novel hybridoma strategy that uses CD27+ B cells cultured in vitro to induce IgM to IgG class switch prior to fusion with a fusion partner. Hybridomas resulting from the fusion between CD27+ B cells and a fusion partner cell line and antibodies secreted from the hybridomas are included in the invention.Type: GrantFiled: January 28, 2009Date of Patent: April 7, 2015Assignee: Thomas Jefferson UniversityInventors: Scott K. Dessain, Sharad P. Adekar
-
Publication number: 20150093784Abstract: The invention describes improved methods and compositions for producing a recombinant protein, e.g., an antibody, in mammalian cell culture. In addition, the invention provides improved cell culture media, including improved production media, feed solutions, and combination feeds, which may be used to improve protein productivity in mammalian cell culture.Type: ApplicationFiled: December 15, 2014Publication date: April 2, 2015Inventors: Itzcoatl A. Pla, Joseph G. Matuck, John C. Fann, Christof Schulz, Nichole A. Roy, David F. Bruton, James McIntire, Yu-Hsiang D. Chang, Thomas Seewoester
-
Patent number: 8993323Abstract: The present invention is directed to a method of deriving pluripotent embryonic stem cells from mouse blastocysts or from primordial germ cells from a post-implantation mouse embryo, or of maintaining or growing pluripotent embryonic stem cells from a mouse, or of expanding human hematopoietic stem cells or human hematopoietic precursor cells. The methods include the step of cultivating the stem cells or precursor cells for at least one passage in a culture medium preconditioned by the rabbit fibroblast cell line Rab9 (ATCC catalogue CRL1414) and containing less than 0.1 ng/ml Leukemia Inhibitory Factor (LIF).Type: GrantFiled: September 19, 2013Date of Patent: March 31, 2015Assignee: ThromboGenics N.V.Inventor: Luc Schoonjans
-
Patent number: 8993326Abstract: The invention provides methods and compositions for preparing antibodies and antibody derivatives with reduced core fucosylation.Type: GrantFiled: October 1, 2013Date of Patent: March 31, 2015Assignee: Seattle Genetics, Inc.Inventors: Stephen C. Alley, Scott C. Jeffrey, Django Sussman, Dennis R. Benjamin, Brian Toki, Patrick J. Burke
-
Publication number: 20150087060Abstract: An object of the present invention is to provide a method for inducing the differentiation of erythropoietin-producing cells from human pluripotent stem cells. The above object is achieved by providing a method for inducing the differentiation of erythropoietin-producing cells from human pluripotent stem cells using a medium containing a specific growth factor and a specific compound.Type: ApplicationFiled: April 4, 2013Publication date: March 26, 2015Applicant: Kyoto UniversityInventors: Kenji Osafune, Hirofumi Hitomi
-
Publication number: 20150087024Abstract: The invention describes improved methods and compositions for producing a recombinant protein, e.g., an antibody, in mammalian cell culture. In addition, the invention provides improved cell culture media, including improved production media, feed solutions, and combination feeds, which may be used to improve protein productivity in mammalian cell culture.Type: ApplicationFiled: December 8, 2014Publication date: March 26, 2015Inventors: ITZCOATL A. PLA, JOSEPH G. MATUCK, JOHN C. FANN, CHRISTOF SCHULZ, NICHOLE A. ROY, DAVID F. BRUTON, JAMES MCLNTIRE, YU-HSIANG D. CHANG, THOMAS SEEWOESTER
-
Patent number: 8962325Abstract: Cell culture media formulations for culturing human epithelial cells are herein described. Also described are methods of increasing population doublings in a cell culture of finite life span human epithelial cells and prolonging the life span of human cell cultures. Using the cell culture media disclosed alone and in combination with addition to the cell culture of a compound associated with anti-stress activity achieves extended growth of pre-stasis cells and increased population doublings and life span in human epithelial cell cultures.Type: GrantFiled: September 30, 2008Date of Patent: February 24, 2015Assignee: The Regents of the University of CaliforniaInventors: Martha R. Stampfer, James C. Garbe
-
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
-
Publication number: 20150044176Abstract: The invention provides improved methods for preparing hematopoietic cells for transplantation and the resulting improved hematopoietic cell compositions. The invention further relates to improved culture media and methods of culturing, processing, modulating, and expanding blood cell products for hematopoietic transplantation.Type: ApplicationFiled: March 13, 2014Publication date: February 12, 2015Applicant: FATE THERAPEUTICS, INC.Inventor: Betsy Denise REZNER
-
Patent number: 8945925Abstract: The present invention is of methods of establishing and propagating human embryonic stem cell lines using feeder cells-free, xeno-free culture systems and stem cells which are capable of being maintained in an undifferentiated, pluripotent and proliferative state in culture which is free of xeno contaminants and feeder cells.Type: GrantFiled: October 21, 2013Date of Patent: February 3, 2015Assignee: Technion Research & Development Foundation LimitedInventors: Michal Amit, Joseph Itskovitz-Eldor
-
Publication number: 20150030634Abstract: The purpose of the present invention is to provide a means for proliferating a monocyte with high efficiency and in a simple manner. The present invention provides a proliferating agent for a monocyte, which consists of at least one component selected from Flt-3L, IL-3 and IFN-? and can be used before a treatment for differentiation of a monocyte into a dendritic cell. The present invention also provides a culture medium for use in the proliferation of a monocyte, which contains at least one component selected from Flt-3L, IL-3 and IFN-? and can be used before a treatment for differentiation of a monocyte into a dendritic cell. The culture medium for use in the proliferation of a monocyte according to the present invention may contain GM-CSF.Type: ApplicationFiled: February 8, 2013Publication date: January 29, 2015Inventors: Hiroyuki Abe, Hiroaki Kawasaki
-
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
-
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
-
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
-
Publication number: 20150017726Abstract: 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: ApplicationFiled: April 16, 2014Publication date: January 15, 2015Applicant: Minerva Biotechnologies CorporationInventors: Cynthia Bamdad, Benoit Smagghe
-
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
-
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
-
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
-
Patent number: 8911994Abstract: Methods and compositions for directing adipose-derived stromal cells cultivated in vitro to differentiate into cells of the chondrocyte lineage are disclosed. The invention further provides a variety of chondroinductive agents which can be used singly or in combination with other nutrient components to induce chondrogenesis in adipose-derived stromal cells either in cultivating monolayers or in a biocompatible lattice or matrix in a three-dimensional configuration. Use of the differentiated chondrocytes for the therapeutic treatment of a number of human conditions and diseases including repair of cartilage in vivo is disclosed.Type: GrantFiled: September 30, 2011Date of Patent: December 16, 2014Assignee: Artecel Sciences Inc.Inventors: Yuan-Di C. Halvorsen, William O. Wilkison, Jeffrey Martin Gimble
-
Patent number: 8911997Abstract: A cell culture medium and system are provided which eliminate or at least reduce the requirement for exogenous components such as serum and feeder cells. The cell culture medium comprises an IGF and vitronectin or fibronectin and, optionally an IGFBP, and is particularly suitable for propagating keratinocytes for subsequent use in skin growth and regeneration. This invention also relates to compositions and methods for skin growth and regeneration in situ, which utilize aerosol delivery of cultured keratinocytes.Type: GrantFiled: July 28, 2004Date of Patent: December 16, 2014Assignee: Queensland University of TechnologyInventors: Zee Upton, Damien Harkin, David Leavesley
-
Publication number: 20140363886Abstract: The present invention relates to an ex vivo method for preparing induced paraxial mesoderm progenitor (iPAM) cells, said method comprising the step of culturing pluripotent cells in an appropriate culture medium comprising an effective amount of an activator of the Wnt signaling pathway and an effective amount of an inhibitor of the Bone Morphogenetic Protein (BMP) signaling pathway.Type: ApplicationFiled: August 29, 2012Publication date: December 11, 2014Applicants: INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE), ASSOCIATION FRANCAISE CONTRE LES MYOPATHIES, UNIVERSITE DE STRASBOURG, CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE)Inventors: Olivier Pourquie, Jérôme Chal
-
Patent number: 8906689Abstract: The present invention relates to variant endoglucanases having improved thermoactivity, improved thermostability, and improved viscosity reduction activity over wild-type M. thermophila endoglucanase.Type: GrantFiled: December 20, 2011Date of Patent: December 9, 2014Assignee: Codexis, Inc.Inventors: Xiyun Zhang, Sachin Patil, Jie Yang, Ish Kumar Dhawan
-
Publication number: 20140356945Abstract: The present invention relates to a type of cell—potential regenerative cell (PRC) capable of continuous proliferation, and generated mammal (including human) cells, tissues and tissue-organs by in vitro culture and replication of PRCs. The present invention also relates to the methods and cell growth regulators for culturing mammal (including human) PRCs, tissues, and tissue-organs.Type: ApplicationFiled: August 15, 2014Publication date: December 4, 2014Inventor: Xu Rongxiang