Patents Examined by Marcia S. Noble
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Patent number: 12201697Abstract: This invention relates to viral vectors for delivery of alpha-L-iduronidase to the cornea of a subject and methods of using the same for treatment and prevention of corneal clouding and blindness in a subject due to mucopolysaccharidosis I.Type: GrantFiled: August 20, 2021Date of Patent: January 21, 2025Assignee: The University of North Carolina at Chapel HillInventors: Matthew Louis Hirsch, Richard Jude Samulski
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Patent number: 12203096Abstract: Certain relatively small cells present in the periphery blood of mammals can be activated to form pluripotent stem cell populations. These small cells are generally less than five micrometers in diameter and are CD45-positive, and are referred to herein as CD45+ cells or dormant tiny cells. Accordingly, provided are cell populations and compositions with enriched dormant tiny cells from blood samples and methods and compositions for activating these dormant tiny cells. Upon differentiation, the activated stem cells can be used for various therapeutic purposes.Type: GrantFiled: September 26, 2022Date of Patent: January 21, 2025Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Shaowei Li, Min Hu, Hermann Peter Lorenz
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Patent number: 12195762Abstract: The slow kinetics and low efficiency of reprogramming methods to generate human induced pluripotent stem cells (iPSCs) impose major limitations on their utility in biomedical applications. Here we describe a chemical approach that dramatically improves (>200 fold) the efficiency of iPSC generation from human fibroblasts, within seven days of treatment. This will provide a basis for developing safer, more efficient, non-viral methods for reprogramming human somatic cells.Type: GrantFiled: May 14, 2021Date of Patent: January 14, 2025Assignee: The Scripps Research InstituteInventors: Tongxiang Lin, Sheng Ding
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Patent number: 12186452Abstract: The present invention relates in part to compositions and methods for treating a wound, or location of interest, in mammal by administering a decellularized extracellular matrix (ECM) lacking thrombospondin-2 (TSP-2-null ECM). In certain embodiments, the invention provides an acellular composition comprising a decellularized TSP-2-null ECM. In certain embodiments, the invention provides a tunable hydrogel comprising a decellularized TSP-2-null ECM. The invention also provides, in certain embodiments, methods for accelerating cellular migration, methods for enhancing cellular invasion, methods for enhancing vascular growth and maturation of a region to be treated, and/or methods for enhancing a wound repair in a mammal in need thereof.Type: GrantFiled: October 19, 2018Date of Patent: January 7, 2025Assignee: Yale UniversityInventors: Themis Kyriakides, Aaron Morris
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Patent number: 12180509Abstract: Provided are chemical inducers of pluripotency (CIP) which include glycogen synthase kinase inhibitors, TGF? receptor inhibitors, cyclic AMP agonists and S-adenosylhomocysteine hydrolase (SAH) inhibitors or histone acetylators. A method of inducing pluripotency in a partially or completely differentiated cell by using such chemical inducers of pluripotency is also provided. The method includes: (i) contacting a cell with the CIPs for a sufficient period of time to result in reprograming the cell into a pluripotent stem cell having ESC-like characteristics (CiPSC). Isolated chemically induced pluripotent stem cells (CiPSCs) and their progeny, produced by inducing differentiation of the CiPSCs, can be used in a number of applications, including but not limited to cell therapy and tissue engineering.Type: GrantFiled: July 22, 2021Date of Patent: December 31, 2024Assignees: BeiHao Stem Cell and Regenerative Medicine Research Institute Co., Ltd., Hong Guan Ltd.Inventors: Hongkui Deng, Yang Zhao, Ting Zhao, Jingyang Guan, Xu Zhang, Yao Fu, Junqing Ye
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Patent number: 12173274Abstract: Provided are methods and compositions for obtaining functionally enhanced derivative effector cells obtained from directed differentiation of genomically engineered iPSCs. The derivative cells provided herein have stable and functional genome editing that delivers improved or enhanced therapeutic effects. Also provided are therapeutic compositions and the used thereof comprising the functionally enhanced derivative effector cells alone, or with antibodies or checkpoint inhibitors in combination therapies.Type: GrantFiled: January 11, 2021Date of Patent: December 24, 2024Assignee: Fate Therapeutics, Inc.Inventors: Bahram Valamehr, Ryan Bjordahl, Jode Goodridge, Tom Tong Lee
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Patent number: 12171203Abstract: Systems and methods relate to transgenic organisms and their use as biosensors are described. In some embodiments, the systems and methods include a first population of transgenic organisms that includes a first constitutively expressed reporter gene, and a first transgene that includes a first inducible promoter from a response pathway gene, wherein the first inducible promoter is coupled to a first reporter gene. Other embodiments are described.Type: GrantFiled: March 24, 2018Date of Patent: December 24, 2024Assignee: NemaMetrix Inc.Inventors: Christopher E. Hopkins, Miluka Gunaratna
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Patent number: 12161677Abstract: A flowable birth tissue composition fabricated from birth tissue is provided. Methods of processing a mammal's placental tissue to form a flowable birth tissue composition are provided. Various methods of treatment and uses are also provided.Type: GrantFiled: May 20, 2021Date of Patent: December 10, 2024Assignee: CONVATEC, INCInventors: Kurt Klitzke, Jon G. Hargis
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Patent number: 12144830Abstract: A flowable birth tissue composition fabricated from birth tissue is provided. Methods of processing a mammal's placental tissue to form a flowable birth tissue composition are provided. Various methods of treatment and uses are also provided.Type: GrantFiled: May 20, 2021Date of Patent: November 19, 2024Assignee: CONVATEC, INCInventors: Kurt Klitzke, Jon G. Hargis
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Patent number: 12138318Abstract: There is described an AAV capsid protein having an amino acid sequence which has at least 98% identity to the sequence of SEQ ID NO: 3 or at least 94% identity to the sequence of SEQ ID NO: 4. Also described is a pharmaceutical composition, an AAV capsid and a viral particle comprising the capsid protein, a recombinant AAV vector comprising a nucleotide sequence which encodes for the capsid protein, and a host cell and a transgenic animal comprising the capsid protein or the vector. In addition, there is described a method of transferring a nucleic acid of interest into a mammal comprising introducing a recombinant AAV vector into the mammal, wherein the recombinant AAV vector comprises a gene of interest which is encapsidated into a capsid comprising the capsid protein.Type: GrantFiled: August 15, 2019Date of Patent: November 12, 2024Assignee: UCL BUSINESS LTDInventors: Amit Nathwani, Allison Dane
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Patent number: 12134784Abstract: An object is to prepare an intestinal organoid having a characteristic close to the small intestine of a living body, from a pluripotent stem cell. An intestinal organoid is prepared from a pluripotent stem cell, by the following steps of: (1) differentiating the pluripotent stem cell into an endoderm-like cell; (2) differentiating the endoderm-like cell obtained in step (1) into an intestinal stem cell-like cell; (3) culturing the intestinal stem cell-like cell obtained in step (2) in the presence of an epidermal growth factor, a fibroblast growth factor, a TGF ? receptor inhibitor, a GSK-3 ? inhibitor, and a ROCK inhibitor; (4) culturing the cell obtained in step (3) to form a spheroid; and (5) differentiating the spheroid formed in step (4) to form an intestinal organoid, wherein the differentiation includes culturing in the presence of an epidermal growth factor, a BMP inhibitor, and a Wnt signal activator.Type: GrantFiled: October 31, 2019Date of Patent: November 5, 2024Assignee: PUBLIC UNIVERSITY CORPORATION NAGOYA CITY UNIVERSITYInventors: Tamihide Matsunaga, Takahiro Iwao, Daichi Onozato, Isamu Ogawa
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Patent number: 12129471Abstract: The present application provides materials and methods for treating hemoglobinopathies. More specifically, the application provides methods for producing progenitor cells that are genetically modified via genome editing to increase the production of fetal hemoglobin (HbF), as well as modified progenitor cells (including, for example, CD34+ human hematopoietic stem cells) producing increased levels of HbF, and methods of using such cells for treating hemoglobinopathies such as sickle cell anemia and ?-thalassemia.Type: GrantFiled: February 23, 2016Date of Patent: October 29, 2024Assignee: Vertex Pharmaceuticals IncorporatedInventor: Matthew Hebden Porteus
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Patent number: 12128072Abstract: The present invention pertains to hepatocytes, liver progenitor cells, cholangiocytes, liver sinusoidal endothelial progenitor cells, liver sinusoidal endothelial cells, hepatic stellate progenitor cells, hepatic stellate cells, and liver cellular tissue models, as well as to methods for preparing these cells. The present invention also pertains to a cell fraction comprising liver progenitor cells, liver sinusoidal endothelial progenitor cells, or hepatic stellate progenitor cells. The present invention also pertains to a pharmaceutical composition or kit comprising the above-mentioned cells, a liver cellular tissue model, or a cell fraction.Type: GrantFiled: November 15, 2019Date of Patent: October 29, 2024Assignee: The University of TokyoInventors: Atsushi Miyajima, Taketomo Kido, Yuta Koui, Ayaka Kobayashi
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Patent number: 12121547Abstract: The invention relates to methods of increasing genetic merit of swine by establishing a plurality of mating subtypes for a line of swine, and determining a percentage of progeny that are male for each of the mating subtypes, or a percentage of progeny that are female for each of the mating subtypes, that would result, relative to a control, in an increase in genetic merit in the line; the invention further relates to sorting a sperm cell sample from a male swine in one of the mating subtypes into one or more subpopulations of sperm cells, wherein a majority of sperm cells in a subpopulation of sperm cells bear X chromosomes or Y chromosomes, and inseminating one or more female swine in the one of the mating subtypes with the subpopulation of sperm cells to achieve the percentage of progeny that are male, or the percentage of progeny that are female, determined to increase genetic merit relative to the control.Type: GrantFiled: January 20, 2020Date of Patent: October 22, 2024Assignee: INGURAN, LLCInventors: Hein van der Steen, Gregg Bevier
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Patent number: 12110509Abstract: Provided are stem cells-induced Serotoli-like cells, methods of preparing the same, and uses thereof. Sertoli-like cells according to one embodiment can be differentiated from embryonic stem cells with excellent proliferative capacity, and thus, can be obtained in large quantities. Also, since the Sertoli-like cells secrete immunosuppressive substances and form immune privilege and induce anti-inflammatory functions, they can be used for development of the cell therapeutic agent.Type: GrantFiled: March 6, 2020Date of Patent: October 8, 2024Assignee: CHA UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Dong Ryul Lee, Dong Won Seol
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Compositions and methods for differentiation of human pluripotent stem cells into desired cell types
Patent number: 12098392Abstract: In related-art methods of differentiating pluripotent stem cells into a desired cell type, there has not been established a differentiation induction method using human ES/iPS cells and being stable and highly efficient. The use of complicated culture steps is a large problem. In addition, there are also large problems in, for example, that the speed of cell differentiation is low, and hence long-period culture is required, and that the differentiation efficiency is low, and hence it is difficult to obtain a sufficient number of required cells. A method of inducing differentiation into a desired cell type, which induces differentiation within a short period of time and with high efficiency by the use of a Sendai virus vector capable of expressing a transcription factor, and as required, the use of a pluripotent stem cell in which an expression amount of a POU5F1 protein has been substantially removed or reduced, is provided.Type: GrantFiled: August 27, 2021Date of Patent: September 24, 2024Assignee: ELIXIRGEN SCIENTIFIC, INC.Inventor: Minoru S. H. Ko -
Patent number: 12089574Abstract: Described herein is a method for producing a chimeric non-human animal expressing a human a MYF5, MYOD, MRF4 gene or a combination thereof gene comprising: a) generating an MYF5, MYOD, MRF4 or combination thereof null non-human animal cell, wherein both copies of the non-human MYF5, MYOD, MRF4 gene or combination thereof carry a mutation that prevents production of functional MYF5, MYOD, MRF4 protein or combination thereof in said non-human animal; b) creating a MYF5, MYOD, MRF4 or combination thereof null non-human blastocyst by somatic cell nuclear transfer comprising fusing a nucleus from said MYF5, MYOD, MRF4 or combination thereof null non-human animal cell of a) into an enucleated non-human oocyte and activating said oocyte to divide so as to form an MYF5, MYOD, MRF4 or combination thereof null non-human blastocyst; c) introducing human stem cells into the MYF5, MYOD, MRF4 or combination null non-human blastocyst of b); and d) implanting said blastocyst from c) into a pseudopregnant surrogate non-humanType: GrantFiled: November 19, 2020Date of Patent: September 17, 2024Assignee: Regents of the University of MinnesotaInventors: Daniel J. Garry, Mary G. Garry, Naoko Koyano
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Patent number: 12082565Abstract: Non-human animals suitable for use as animal models for Retinoschisis are provided. In some embodiments, provided non-human animals are characterized by a disruption in a Retinoschisin-1 locus. In some embodiments, provided non-human animals are characterized by a mutant Retinoschisin-1 gene. The non-human animals may be described, in some embodiments, as having a phenotype that includes the development of one or more symptoms or phenotypes associated with Retinoschisis. Methods of identifying therapeutic candidates that may be used to prevent, delay or treat Retinoschisis or eye-related diseases, disorders or conditions are also provided.Type: GrantFiled: June 16, 2021Date of Patent: September 10, 2024Assignee: Regeneron Pharmaceuticals, Inc.Inventors: Susannah Brydges, Yajun Tang, Yang Liu, Jingtai Cao, Carmelo Romano
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Patent number: 12058996Abstract: This disclosure is related to methods of preserving biological samples, organs, and organisms. This disclosure is based, at least in part, on the discovery that in the presence of heterogenous extracellular ice, endothelial cells have improved attachment and viability after preservation, and particularly by uniformly nucleating ice across the microvasculature using ice nucleating agents, the chance of intracelluar ice formation can be significantly reduced.Type: GrantFiled: June 14, 2018Date of Patent: August 13, 2024Assignee: The General Hospital CorporationInventors: Mehmet Toner, Mustafa Korkut Uygun, Shannon N. Tessier, Shannon L. Stott, Lindong Weng, Reinier Johan De Vries, Casie A. Pendexter, Stephanie E J Cronin
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Patent number: 12054741Abstract: The present invention provides for the generation and maintenance of pluripotent cells by culturing the cells in the presence of an ALK5 inhibitor.Type: GrantFiled: December 11, 2018Date of Patent: August 6, 2024Assignee: THE SCRIPPS RESEARCH INSTITUTEInventors: Wenlin Li, Sheng Ding