Patents by Inventor Jean-Charles Epinat
Jean-Charles Epinat 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).
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Publication number: 20230287454Abstract: The invention pertains to the field of adaptive cell immunotherapy. It aims at reducing the occurrence of translocations and cell deaths when several specific endonuclease reagents are used altogether to genetically modify primary immune cells at different genetic loci. The method of the invention allows to yield safer immune primary cells harboring several genetic modifications, such as triple or quadruple gene inactivated cells, from populations or sub-populations of cells originating from a single donor or patient, for their subsequent use in therapeutic treatments.Type: ApplicationFiled: April 19, 2023Publication date: September 14, 2023Inventors: Jean-Pierre CABANIOLS, Jean-Charles EPINAT, Philippe DUCHATEAU
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Patent number: 11674155Abstract: The invention pertains to the field of adaptive cell immunotherapy. It aims at reducing the occurrence of translocations and cell deaths when several specific endonuclease reagents are used altogether to genetically modify primary immune cells at different genetic loci. The method of the invention allows to yield safer immune primary cells harboring several genetic modifications, such as triple or quadruple gene inactivated cells, from populations or sub-populations of cells originating from a single donor or patient, for their subsequent use in therapeutic treatments.Type: GrantFiled: August 5, 2022Date of Patent: June 13, 2023Assignee: CELLECTISInventors: Jean-Pierre Cabaniols, Jean-Charles Epinat, Philippe Duchateau
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Publication number: 20230087122Abstract: The invention pertains to the field of adaptive cell immunotherapy. It aims at reducing the occurrence of translocations and cell deaths when several specific endonuclease reagents are used altogether to genetically modify primary immune cells at different genetic loci. The method of the invention allows to yield safer immune primary cells harboring several genetic modifications, such as triple or quadruple gene inactivated cells, from populations or sub-populations of cells originating from a single donor or patient, for their subsequent use in therapeutic treatments.Type: ApplicationFiled: August 5, 2022Publication date: March 23, 2023Inventors: Jean-Pierre CABANIOLS, Jean-Charles EPINAT, Philippe DUCHATEAU
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Patent number: 11466291Abstract: The invention pertains to the field of adaptive cell immunotherapy. It aims at reducing the occurrence of translocations and cell deaths when several specific endonuclease reagents are used altogether to genetically modify primary immune cells at different genetic loci. The method of the invention allows to yield safer immune primary cells harboring several genetic modifications, such as triple or quadruple gene inactivated cells, from populations or sub-populations of cells originating from a single donor or patient, for their subsequent use in therapeutic treatments.Type: GrantFiled: June 30, 2017Date of Patent: October 11, 2022Assignee: CELLECTISInventors: Jean-Pierre Cabaniols, Jean-Charles Epinat, Philippe Duchateau
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Publication number: 20220010292Abstract: The present invention relates to a method for the generation of compact Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process double-stranded DNA. More specifically, the present invention concerns a method for the creation of TALENs that consist of a single TALE DNA binding domain fused to at least one catalytic domain such that the active entity is composed of a single polypeptide chain for simple and efficient vectorization and does not require dimerization to target a specific single double-stranded DNA target sequence of interest and process DNA nearby the DNA target sequence. The present invention also relates to compact TALENs, vectors, compositions and kits used to implement the method.Type: ApplicationFiled: September 29, 2021Publication date: January 13, 2022Applicant: CELLECTISInventors: Philippe Duchateau, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva, Alexandre Juillerat, Marine Beurdeley
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Patent number: 11198856Abstract: The present invention relates to a method for the generation of compact Transcription Activator-Like Effector Nucleases (TALENS) that can efficiently target and process double-stranded DNA. More specifically, the present invention concerns a method for the creation of TALENs that consist of a single TALE DNA binding domain fused to at least one catalytic domain such that the active entity is composed of a single polypeptide chain for simple and efficient vectorization and does not require dimerization to target a specific single double-stranded DNA target sequence of interest and process DNA nearby the DNA target sequence. The present invention also relates to compact TALENs, vectors, compositions and kits used to implement the method.Type: GrantFiled: March 14, 2016Date of Patent: December 14, 2021Assignee: CELLECTISInventors: Philippe Duchateau, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva, Alexandre Juillerat, Marine Beurdeley
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Patent number: 11136566Abstract: The present invention relates to new Transcription Activator-Like Effector proteins and more particularly new Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process nucleic acids. The present invention also concerns methods to use these new Transcription Activator-Like Effector proteins. The present invention also relates to vectors, compositions and kits in which Transcription Activator-Like Effector proteins of the present invention are used.Type: GrantFiled: January 2, 2019Date of Patent: October 5, 2021Assignee: CellectisInventors: Philippe Duchateau, Alexandre Juillerat, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva
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Publication number: 20200208174Abstract: The invention pertains to the field of adaptive cell immunotherapy. It aims at reducing the occurrence of translocations and cell deaths when several specific endonuclease reagents are used altogether to genetically modify primary immune cells at different genetic loci. The method of the invention allows to yield safer immune primary cells harboring several genetic modifications, such as triple or quadruple gene inactivated cells, from populations or sub-populations of cells originating from a single donor or patient,for their subsequent use in therapeutic treatments.Type: ApplicationFiled: June 30, 2017Publication date: July 2, 2020Inventors: Jean-Pierre CABANIOLS, Jean-Charles EPINAT, Philippe DUCHATEAU
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Publication number: 20190316100Abstract: The present invention relates to new Transcription Activator-Like Effector proteins and more particularly new Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process nucleic acids. The present invention also concerns methods to use these new Transcription Activator-Like Effector proteins. The present invention also relates to vectors, compositions and kits in which Transcription Activator-Like Effector proteins of the present invention are used.Type: ApplicationFiled: January 2, 2019Publication date: October 17, 2019Applicant: CELLECTISInventors: Philippe Duchateau, Alexandre Juillerat, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva
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Patent number: 10087453Abstract: The invention provides engineered diatoms and methods of producing oil using diatoms. The invention also provides methods of modifying the lipids quantity and/or quality produced by diatom organisms through genome engineering. Also provided are oils, fuels, oleochemicals, chemical precursors, and other compounds manufactured from such modified diatoms.Type: GrantFiled: June 25, 2014Date of Patent: October 2, 2018Assignee: CELLECTISInventors: Philippe Duchateau, Fayza Daboussi, David Sourdive, Jean-Charles Epinat
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Publication number: 20160298098Abstract: The present invention relates to a method for the generation of compact Transcription Activator-Like Effector Nucleases (TALENS) that can efficiently target and process double-stranded DNA. More specifically, the present invention concerns a method for the creation of TALENs that consist of a single TALE DNA binding domain fused to at least one catalytic domain such that the active entity is composed of a singe polypeptide chain for simple and efficient vectorization and does not require dimerization to target a specific single double-stranded DNA tar et sequence of interest and process DNA nearby said DNA target sequence. The present invention also relates to compact TALENs, vectors, compositions and kits used to implement the method.Type: ApplicationFiled: March 14, 2016Publication date: October 13, 2016Inventors: Philippe Duchateau, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva, Alexandre Juillerat, Marine Beurdeley
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Publication number: 20160130599Abstract: The invention provides engineered diatoms and methods of producing oil using diatoms. The invention also provides methods of modifying the lipids quantity and/or quality produced by diatom organisms through genome engineering. Also provided are oils, fuels, oleochemicals, chemical precursors, and other compounds manufactured from such modified diatoms.Type: ApplicationFiled: June 25, 2014Publication date: May 12, 2016Inventors: Philippe DUCHATEAU, Fayza DABOUSSI, David SOURDIVE, Jean-Charles EPINAT
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Patent number: 9315788Abstract: The present invention relates to a method for the generation of compact Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process double-stranded DNA. More specifically, the present invention concerns a method for the creation of TALENs that consist of a single TALE DNA binding domain fused to at least one catalytic domain such that the active entity is composed of a single polypeptide chain for simple and efficient vectorization and does not require dimerization to target a specific single double-stranded DNA target sequence of interest and process DNA nearby said DNA target sequence. The present invention also relates to compact TALENs, vectors, compositions and kits used to implement the method.Type: GrantFiled: April 5, 2012Date of Patent: April 19, 2016Assignee: CELLECTIS, S.A.Inventors: Philippe Duchateau, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva, Alexandre Juillerat, Marine Beurdeley
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Publication number: 20140121115Abstract: New rare-cutting endonucleases, also called custom-made meganucleases, which recognize and cleave a specific nucleotide sequence, derived polynucleotide sequences, recombinant vector cell, animal, or plant comprising said polynucleotide sequences, process for producing said rare-cutting endonucleases and any use thereof, more particularly, for genetic engineering, antiviral therapy and gene therapy.Type: ApplicationFiled: December 21, 2012Publication date: May 1, 2014Applicant: CellectisInventors: Sylvain Arnould, Sylvia Bruneau, Jean-Pierre Cabaniols, Patrick Chames, Andre Choulika, Phillipe Duchateau, Jean-Charles Epinat, Agnes Gouble, Emmanuel Lacroix, Frederic Paques, Christophe Perez-Michaut, Julianne Smith, Davie Sourdive
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Publication number: 20140115726Abstract: The present invention relates to new Transcription Activator-Like Effector proteins and more particularly new Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process nucleic acids. The present invention also concerns methods to use these new Transcription Activator-Like Effector proteins. The present invention also relates to vectors, compositions and kits in which Transcription Activator-Like Effector proteins of the present invention are used.Type: ApplicationFiled: April 5, 2012Publication date: April 24, 2014Applicant: CELLECTISInventors: Philippe Duchateau, Alexandre Juillerat, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva
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Patent number: 8697395Abstract: Use of meganucleases for cleaving DNA in a non-human or an isolated human cell and, in some instances, inducing homologous recombination in said cells and to its application for genome engineering and gene therapy.Type: GrantFiled: July 24, 2012Date of Patent: April 15, 2014Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Phillippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Patent number: 8624000Abstract: A monomer of an I-CreI meganuclease variant wherein said monomer comprises mutations in the amino acid sequence of SEQ ID NO: 34, wherein said mutations include, (i) at least one and up to five amino acid substitutions from residue Q44 to residue R70, said substitutions selected from the group consisting of substitutions at positions Q44, T46, Y66, R68 and R7; and (ii) at least one and up to six amino acid substitutions from residue Q26 to residue Q38 said substitutions selected from the group consisting of substitutions at positions Q26, K28, N30, S32, Y33 and Q38, and wherein said monomer when in dimeric form binds and cleaves a DNA target sequence. Said dimeric forms include homodimeric, heterodimeric and single-chain I-CreI meganuclease variants.Type: GrantFiled: May 31, 2012Date of Patent: January 7, 2014Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Phillippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Publication number: 20130337454Abstract: The present invention relates to a method for increasing double-strand break-induced mutagenesis at a genomic locus of interest in a cell, thereby giving new tools for genome engineering, including therapeutic applications and cell line engineering. More specifically, the present invention concerns a method for increasing double-strand break-induced mutagenesis at a genomic locus of interest, leading to a loss of genetic information and preventing any scarless re-ligation of said genomic locus of interest by NHEJ. The present invention also relates to engineered endonucleases, chimeric or not, vectors, compositions and kits used to implement this method.Type: ApplicationFiled: October 27, 2011Publication date: December 19, 2013Inventors: Philippe Duchateau, Alexandre Juillerat, George H. Silva, Jean-Charles Epinat
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Patent number: 8530214Abstract: The present invention relates to a polynucleotide encoding a monomer of an I-CreI variant said monomer comprising mutations in the amino acid sequence of SEQ ID NO: 34, wherein said mutations include: (i) at least one and up to eleven amino acid substitutions from residue S22 to Q44 said substitutions selected from the group consisting of substitutions at positions I24, Q26, K28, N30, S32, Y33, Q38, S40 and T42; and (ii) at least one and up to six amino acid substitutions from residue Y66 to I77 said substitutions selected from the group consisting of substitutions at positions Y66, R68, R70, V73 and I77; and wherein said monomer when in dimeric form binds and cleaves DNA.Type: GrantFiled: June 3, 2011Date of Patent: September 10, 2013Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Philippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Publication number: 20130117869Abstract: The present invention relates to a method for the generation of compact Transcription Activator-Like Effector Nucleases (TALENs) that can efficiently target and process double-stranded DNA. More specifically, the present invention concerns a method for the creation of TALENs that consist of a single TALE DNA binding domain fused to at least one catalytic domain such that the active entity is composed of a single polypeptide chain for simple and efficient vectorization and does not require dimerization to target a specific single double-stranded DNA target sequence of interest and process DNA nearby said DNA target sequence. The present invention also relates to compact TALENs, vectors, compositions and kits used to implement the method.Type: ApplicationFiled: April 5, 2012Publication date: May 9, 2013Applicant: Cellectis S.A.Inventors: PHILIPPE DUCHATEAU, Julien Valton, Claudia Bertonati, Jean-Charles Epinat, George H. Silva, Alexandre Juillerat