Patents by Inventor Xavier de Mollerat du Jeu

Xavier de Mollerat du Jeu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11872285
    Abstract: The present invention provides lipid aggregate compositions having at least two cationic lipids in combination with one or optionally more than one non-cationic lipids for the in vitro and/or in vivo delivery of biologically active molecules including nucleic acids, specifically DNA and RNA, and proteins into cells and tissues. Methods are also provided that use the compounds of the present invention to deliver biologically active molecules, into cells and tissues to facilitate the expression of target proteins therein. In some non-limiting embodiments, the subject lipid aggregate compositions can be used to deliver nucleic acid molecules to facilitate the expression of proteins involved in cellular reprogramming and genome editing applications.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 16, 2024
    Assignee: Life Technologies Corporation
    Inventors: Xavier de Mollerat du Jeu, Nektaria Andronikou
  • Patent number: 11690921
    Abstract: Described herein are lipid nanoparticles comprising cationic lipids and other lipids and also comprising engineered nucleases facilitate transfer of nucleic acids to cells.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: July 4, 2023
    Assignees: Sangamo Therapeutics, Inc., Life Technologies Corporation
    Inventors: Anthony Conway, Xavier de Mollerat du Jeu, Shikha Mishra
  • Publication number: 20230193214
    Abstract: The instant technology relates to a production system to produce AAV vectors in a serum free suspension platform and at high titers. This technology uses reagents comprising media, cells, transfection reagent, AAV enhancer, and a lysis buffer, each of which is designed to provide maximal AAV production from suspension culture of mammalian cells, e.g. HEK293 cells. With this new system we are able to deliver up to about 2×1011 viral genomes per milliliter (vg/mL) of unconcentrated AAV vectors.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Xin YU, Xavier de MOLLERAT du JEU, Chao Yan Lin, Jian Liu, Jonathan Zmuda
  • Publication number: 20230181742
    Abstract: There are provided for herein novel amine-containing transfection compounds and methods for making and using same. The compounds are generally obtained by reacting a primary amine with an unsaturated compound. Transfection complexes made using the amine-containing transfection compounds in combination with additional compounds to encapsulate biologically active agents such as nucleic acids are also provided for herein. Methods of using the transfection complexes for the in vivo or in vitro delivery of biologically active agents are also described. The transfection complexes of the present invention are highly potent, thereby allowing effective modulation of a biological activity at relatively low doses compared to analogous transfection compounds known in the art.
    Type: Application
    Filed: August 19, 2022
    Publication date: June 15, 2023
    Inventors: Zhiwei Yang, Parul Angrish, Xavier de Mollerat Du Jeu, Kristin Wiederholt
  • Patent number: 11608491
    Abstract: The instant technology relates to a production system to produce AAV vectors in a serum free suspension platform and at high titers. This technology uses reagents comprising media, cells, transfection reagent, AAV enhancer, and a lysis buffer, each of which is designed to provide maximal AAV production from suspension culture of mammalian cells, e.g. HEK293 cells. With this new system we are able to deliver up to about 2×1011 viral genomes per milliliter (vg/mL) of unconcentrated AAV vectors.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: March 21, 2023
    Assignee: Life Technologies Corporation
    Inventors: Xin Yu, Xavier de Mollerat du Jeu, Chao Yan Liu, Jian Liu, Jonathan Zmuda
  • Publication number: 20220348964
    Abstract: A lentiviral vector production system comprises (a) a lentiviral culture supplement to control cell growth, (b) a transfection reagent comprising DHDMS, DOPE, and cholesterol to increase transfection efficiency, (c) a lentiviral production enhancer comprising sodium propionate, sodium butyrate, and caffeine to boost lentiviral production, wherein the lentiviral vector production system is serum-free. A method of lentiviral vector production comprises using the lentiviral production system. Another method for lentiviral vector production comprises (a) culturing eukaryotic cells in a serum-free medium, (b) providing a lentiviral culture supplement to control cell growth, (c) transfecting the cells with a lentiviral vector using a transfection reagent comprising DHDMS, DOPE, and cholesterol to increase transfection efficiency, and (d) providing a lentiviral production using a lentiviral production enhancer comprising sodium propionate, sodium butyrate capable of boosting lentiviral production.
    Type: Application
    Filed: July 8, 2022
    Publication date: November 3, 2022
    Inventors: Xin YU, Xavier de MOLLERAT du JEU
  • Patent number: 11464863
    Abstract: There are provided for herein novel amine-containing transfection compounds and methods for making and using same. The compounds are generally obtained by reacting a primary amine with an unsaturated compound. Transfection complexes made using the amine-containing transfection compounds in combination with additional compounds to encapsulate biologically active agents such as nucleic acids are also provided for herein. Methods of using the transfection complexes for the in vivo or in vitro delivery of biologically active agents are also described. The transfection complexes of the present invention are highly potent, thereby allowing effective modulation of a biological activity at relatively low doses compared to analogous transfection compounds known in the art.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: October 11, 2022
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Zhiwei Yang, Parul Angrish, Xavier de Mollerat du Jeu, Kristin Wiederholt
  • Patent number: 11414675
    Abstract: A lentiviral vector production system comprises (a) a lentiviral culture supplement to control cell growth, (b) a transfection reagent comprising DHDMS, DOPE, and cholesterol to increase transfection efficiency, (c) a lentiviral production enhancer comprising sodium propionate, sodium butyrate, and caffeine to boost lentiviral production, wherein the lentiviral vector production system is serum-free. A method of lentiviral vector production comprises using the lentiviral production system. Another method for lentiviral vector production comprises (a) culturing eukaryotic cells in a serum-free medium, (b) providing a lentiviral culture supplement to control cell growth, (c) transfecting the cells with a lentiviral vector using a transfection reagent comprising DHDMS, DOPE, and cholesterol to increase transfection efficiency, and (d) providing a lentiviral production using a lentiviral production enhancer comprising sodium propionate, sodium butyrate capable of boosting lentiviral production.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: August 16, 2022
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Xin Yu, Xavier de Mollerat du Jeu
  • Publication number: 20220001023
    Abstract: Provided herein are, inter alia, compositions and methods useful for the in vivo delivery of bioactive agents (e.g., therapeutic or diagnostic agents). The compositions provided herein include cationic lipids, helper lipids and a biostability enhancing agent, which together form a lipid aggregate with the bioactive agent and allow for the systemic delivery of the bioactive agent to, for example, lung tissue without the requirement for biomolecular targeting.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 6, 2022
    Inventors: Shikha MISHRA, Xavier de MOLLERAT du JEU
  • Publication number: 20210123009
    Abstract: The present disclosure provides electroporation cartridges for single use electroporation as well as electroporation cartridges for automated batch processing, electroporation instruments and systems and methods of electroporation using these devices and systems. In some embodiments, electroporation cartridges comprise an electroporation chamber defined by an elongate body, a first electrode at a proximal end and a second electrode at a distal end of a chamber. Electroporation systems of the disclosure include one or more components including a pulse generator, compartments for placing either flow-through or single use electroporation cartridges, components for storage of cells, cooling and pre-cooling mechanisms, removably insertable modular casings having compartments for holding and arranging electroporation system and reagent components, one or more pumps for moving sample through the system, and processors and controllers.
    Type: Application
    Filed: October 23, 2020
    Publication date: April 29, 2021
    Inventors: Steven Huei YEO, Siu Wee HON, Han WEI, Yvonne PECK, Way Xuang LEE, Benyong SHI, Chee Wai CHAN, Beng Heng (Derrick) LIM, Dhanaraj SHANMUGAM, Stacey TEO, Jun Yan THAM, Kok Shyong CHONG, Li Yang LIM, Michael GORDON, Nektaria ANDRONIKOU, Chris ROSSMANN, Xavier DE Mollerat DU JEU, Ulrich FORKE
  • Publication number: 20210054415
    Abstract: Provided herein are compositions and methods useful, inter alia, for the delivery of ribonucleoprotein complexes (e.g., Cas9/guide RNA complexes) into cells. The compositions and methods provided herein are particularly useful for the delivery of ribonucleoprotein complexes into pluripotent cells and lymphatic cells.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Inventors: Xin YU, Xiquan LIANG, Xavier de MOLLERAT du JEU, Robert Jason POTTER
  • Publication number: 20210023225
    Abstract: The present invention provides lipid aggregate compositions having at least two cationic lipids in combination with one or optionally more than one non-cationic lipids for the in vitro and/or in vivo delivery of biologically active molecules including nucleic acids, specifically DNA and RNA, and proteins into cells and tissues. Methods are also provided that use the compounds of the present invention to deliver biologically active molecules, into cells and tissues to facilitate the expression of target proteins therein. In some non-limiting embodiments, the subject lipid aggregate compositions can be used to deliver nucleic acid molecules to facilitate the expression of proteins involved in cellular reprogramming and genome editing applications.
    Type: Application
    Filed: October 5, 2020
    Publication date: January 28, 2021
    Inventors: Xavier de MOLLERAT du JEU, Nektaria ANDRONIKOU
  • Publication number: 20200392537
    Abstract: The present invention is directed to non-naturally occurring peptides containing a membrane-penetrating amino acid sequence and further at least one polycationic moiety or peptide sequence. The peptides are suitable for use in delivery a cargo to the interior of a cell. Suitable cargo includes nucleic acid molecules (including DNA, RNA or PNA), polypeptides, or other biologically active molecules. The present invention is further directed to transfection complexes containing the non-naturally occurring peptides of the present invention in non-covalent association with at least one cationic lipid and a cargo to be delivered to the interior of a cell. The invention further relates to methods for the preparation and use of the non-naturally occurring peptides for the formation of transfection complexes and the delivery of a cargo to the interior of a cell in culture, an animal or a human. The invention also relates to compositions and kits useful for transfecting cells.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Inventor: Xavier de MOLLERAT du JEU
  • Patent number: 10829787
    Abstract: Provided herein are compositions and methods useful, inter alia, for the delivery of ribonucleoprotein complexes (e.g., Cas9/guide RNA complexes) into cells. The compositions and methods provided herein are particularly useful for the delivery of ribonucleoprotein complexes into pluripotent cells and lymphatic cells.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: November 10, 2020
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Xin Yu, Xiquan Liang, Xavier de Mollerat du Jeu, Robert Jason Potter
  • Patent number: 10792362
    Abstract: The present invention provides lipid aggregate compositions having at least two cationic lipids in combination with one or optionally more than one non-cationic lipids for the in vitro and/or in vivo delivery of biologically active molecules including nucleic acids, specifically DNA and RNA, and proteins into cells and tissues. Methods are also provided that use the compounds of the present invention to deliver biologically active molecules, into cells and tissues to facilitate the expression of target proteins therein. In some non-limiting embodiments, the subject lipid aggregate compositions can be used to deliver nucleic acid molecules to facilitate the expression of proteins involved in cellular reprogramming and genome editing applications.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 6, 2020
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Xavier de Mollerat du Jeu, Nektaria Andronikou
  • Patent number: 10760098
    Abstract: The present invention is directed to non-naturally occurring peptides containing a membrane-penetrating amino acid sequence and further at least one polycationic moiety or peptide sequence. The peptides are suitable for use in delivery a cargo to the interior of a cell. Suitable cargo includes nucleic acid molecules (including DNA, RNA or PNA), polypeptides, or other biologically active molecules. The present invention is further directed to transfection complexes containing the non-naturally occurring peptides of the present invention in non-covalent association with at least one cationic lipid and a cargo to be delivered to the interior of a cell. The invention further relates to methods for the preparation and use of the non-naturally occurring peptides for the formation of transfection complexes and the delivery of a cargo to the interior of a cell in culture, an animal or a human. The invention also relates to compositions and kits useful for transfecting cells.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: September 1, 2020
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventor: Xavier de Mollerat du Jeu
  • Publication number: 20200270583
    Abstract: The instant technology relates to a production system to produce AAV vectors in a serum free suspension platform and at high titers. This technology uses reagents comprising media, cells, transfection reagent, AAV enhancer, and a lysis buffer, each of which is designed to provide maximal AAV production from suspension culture of mammalian cells, e.g. HEK293 cells. With this new system we are able to deliver up to about 2×1011 viral genomes per milliliter (vg/mL) of unconcentrated AAV vectors.
    Type: Application
    Filed: February 21, 2020
    Publication date: August 27, 2020
    Inventors: Xin YU, Xavier de MOLLERAT du JEU, Chao Yan Liu, jJian Liu, Jonathan Zmuda
  • Publication number: 20200061197
    Abstract: There are provided for herein novel amine-containing transfection compounds and methods for making and using same. The compounds are generally obtained by reacting a primary amine with an unsaturated compound. Transfection complexes made using the amine-containing transfection compounds in combination with additional compounds to encapsulate biologically active agents such as nucleic acids are also provided for herein. Methods of using the transfection complexes for the in vivo or in vitro delivery of biologically active agents are also described. The transfection complexes of the present invention are highly potent, thereby allowing effective modulation of a biological activity at relatively low doses compared to analogous transfection compounds known in the art.
    Type: Application
    Filed: August 30, 2019
    Publication date: February 27, 2020
    Inventors: Zhiwei YANG, Parul ANGRISH, Xavier de MOLLERAT du JEU, Kristin WIEDERHOLT
  • Publication number: 20190365924
    Abstract: Described herein are lipid nanoparticles comprising cationic lipids and other lipids and also comprising engineered nucleases facilitate transfer of nucleic acids to cells.
    Type: Application
    Filed: May 15, 2019
    Publication date: December 5, 2019
    Inventors: Anthony Conway, Xavier de Mollerat du Jeu, Shikha Mishra
  • Patent number: 10406237
    Abstract: There are provided for herein novel amine-containing transfection compounds and methods for making and using same. The compounds are generally obtained by reacting a primary amine with an unsaturated compound. Transfection complexes made using the amine-containing transfection compounds in combination with additional compounds to encapsulate biologically active agents such as nucleic acids are also provided for herein. Methods of using the transfection complexes for the in vivo or in vitro delivery of biologically active agents are also described. The transfection complexes of the present invention are highly potent, thereby allowing effective modulation of a biological activity at relatively low doses compared to analogous transfection compounds known in the art.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: September 10, 2019
    Assignee: LIFE TECHNOLOLGIES CORPORATION
    Inventors: Zhiwei Yang, Parul Angrish, Xavier de Mollerat du Jeu, Kristin Wiederholt