| CELLECTIS Patent applications |
| Patent application number | Title | Published |
|---|
| 20110263028 | MEGANUCLEASE RECOMBINATION SYSTEM - The invention relates to a set of genetic constructs which allow the efficient and reproducible introduction of a specific nucleotide sequence at a fixed position in the genome by generating a double strand break at a specific position in the genome using a meganuclease and so stimulating a homologous recombination event at this locus between the genomic site and a transfected donor sequence. The present invention also relates to methods using these constructs and to these materials in the form of a kit. | 10-27-2011 |
| 20110225664 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM A GLUTAMINE SYNTHETASE GENE AND USES THEREOF - An 1-Cre1 variant, wherein one of the two 1-Cre1 monomers has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG core domain situated respectively from positions 28 to 40 and 44 to 77 of 1-Cre1, said variant being able to cleave a DNA target sequence from the Glutamine Synthetase gene. Use of said variant and derived products for improving expression system for the production of recombinant protein. | 09-15-2011 |
| 20110207199 | NOVEL METHOD TO GENERATE MEGANUCLEASES WITH ALTERED CHARACTERISTICS - Method to generate and select a meganuclease having at least two altered characteristics in comparison to a parent meganuclease, comprising the steps: a. constructing from a parent meganuclease, a first series of variants which differ from said parent meganuclease by at least one acid amino substitution; b. screening the variants from said first series of step a. and selecting those which have a first altered characteristic; c. constructing from the selected variants of step b. a second series of variants having a least one other amino acid substitution; d. screening the variants from said series of step b. and selecting those which have said first altered characteristic and a second altered characteristic. Polypeptide obtained from said method. | 08-25-2011 |
| 20110191870 | I-CREI HOMING ENDONUCLEASE VARIANTS HAVING NOVEL CLEAVAGE SPECIFICITY AND USE THEROF - A method for engineering I-CreI homing endonuclease variants able to cleave mutant I-CreI sites having variation in positions ±8 to ±10. A I-CreI homing endonuclease variant obtainable by said method, a vector encoding said variant, a cell, an animal or a plant modified by said vector. Use of said I-CreI endonuclease variant and derived products for genetic engineering, genome therapy and antiviral therapy. | 08-04-2011 |
| 20110173710 | CHIMERIC MEGANUCLEASE ENZYMES AND USES THEREOF - The current invention relates to polypeptides encoding mutant I-DmoI derivatives with enhanced cleavage activity and altered sequence specificity and uses of these polypeptides. These polypeptides comprise at least the first I-DmoI domain, and the peptide sequence comprises the substitution of at least one of residues 15, 19 and/or 20 as well as at least one of the residues in positions 27, 29, 33, 35, 37, 75, 76, 77, 81 of the first I-DmoI domain. | 07-14-2011 |
| 20110158974 | Heterodimeric Meganucleases and Use Thereof - Heterodimeric meganuclease comprising two domains of different meganucleases which are in two separate polypeptides, said heterodimeric meganuclease being able to cleave a chimeric DNA target sequence comprising one different half of each parent meganuclease DNA target sequence. | 06-30-2011 |
| 20110091441 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM THE HUMAN INTERLEUKIN-2 RECEPTOR GAMMA CHAIN GENE AND USES THEREOF - An I-CreI variant, wherein at least one of the two I-CreI monomers has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG core domain situated respectively from positions 26 to 40 and 44 to 77 of I-CreI, said variant being able to cleave a DNA target sequence from the human IL2RG gene. Use of said variant and derived products for the prevention and the treatment of X-linked severe combined immunodeficiency. | 04-21-2011 |
| 20110072527 | I-CREI MEGANUCLEASE VARIANTS WITH MODIFIED SPECIFICITY, METHOD OF PREPARATION AND USES THEREOF - Method of preparing I-CreI meganuclease variants having a modified cleavage specificity, variants obtainable by said method and their applications either for cleaving new DNA target or for genetic engineering and genome engineering for non-therapeutic purposes. Nucleic acids encoding said variants, expression cassettes comprising said nucleic acids, vectors comprising said expression cassettes, cells or organisms, plants or animals except humans, transformed by said vectors. | 03-24-2011 |
| 20110041194 | I-MSOI HOMING ENDONUCLEASE VARIANTS HAVING NOVEL SUBSTRATE SPECIFICITY AND USE THEREOF - An I-MsoI homing endonuclease variant able to cleave mutant I-MsoI sites having variation at positions ±8 to ±10, a vector encoding said variant, a cell, an animal or a plant modified by said vector. Use of said I-MsoI endonuclease variant and derived products for genetic engineering, genome therapy and antiviral therapy. | 02-17-2011 |
| 20100325745 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM THE MOUSE ROSA26 LOCUS AND USES THEREOF - An I-CreI variant, wherein one of the two I-CreI monomers has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG (SEQ ID NO: 150) core domain situated respectively from positions 26 to 40 and 44 to 77 of I-CreI, said variant being able to cleave a DNA target sequence from the mouse ROSA26 locus. Use of said variant and derived products for the engineering of transgenic mice and recombinant mouse cell lines expressing an heterologous protein of interest. | 12-23-2010 |
| 20100229252 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM THE HUMAN HEMOGLOBIN BETA GENE AND USES THEREOF - An I-CreI variant, wherein one of the two I-CreI monomers has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG core domain situated respectively from positions 26 to 40 and 44 to 77 of I-CreI, said variant being able to cleave a DNA target sequence from the human beta globin gene. Use of said variant and derived products for the prevention and the treatment of pathological conditions caused by a mutation in the human beta globin gene (sickle cell disease, beta-thalassemia). | 09-09-2010 |
| 20100203031 | METHOD FOR ENHANCING THE CLEAVAGE ACTIVITY OF I-CREI DERIVED MEGANUCLEASES - A method for enhancing the cleavage activity of an I-CreI derived meganuclease, comprising the site-specific mutation of at least one amino acid residue which is selected in the group consisting of: the glycine at position 19, the phenylalanine at position 54, the phenylalanine at position 87, the serine at position 79, the valine at position 105 and the isoleucine at position 132 of I-CreI, and its application for the manufacturing of meganuclease cleaving a DNA target of interest, for use in genome therapy (treatment of genetic diseases) and genome engineering (making of transgenic animals, transgenic plants and recombinant cell lines). | 08-12-2010 |
| 20100167357 | OBLIGATE HETERODIMER MEGANUCLEASES AND USES THEREOF - An obligate heterodimer meganuclease consisting of a first and a second monomer, deriving from two different homodimeric LAGLIDADG (SEQ ID NO: 66) endonuclease monomers (parent monomers), and having at least one pair of mutations interesting corresponding residues of said parent monomers which make an intermolecular interaction between the two monomers of each parent homodimeric LAGLIDADG (SEQ ID NO: 66) endonuclease, a vector encoding said meganuclease, a cell, an animal or a plant modified by said vector and the use of said meganuclease and derived products for molecular biology, genome engineering and genome therapy. | 07-01-2010 |
| 20100151556 | HYBRID AND SINGLE CHAIN MEGANUCLEASES AND USE THEREOF - This patent application relates to hybrid and/or single-chain rare-cutting endonucleases, called meganucleases, which recognize and cleave a specific nucleotide sequence, to polynucleotide sequences encoding for said rare-cutting endonucleases, to a vector comprising one of said polynucleotide sequences, to a cell or animal comprising one of said polynucleotide sequences or said rare-cutting endonucleases, to a process for producing one of said rare-cutting endonucleases and any use of the disclosed products and methods. More particularly, this invention contemplates any use of such rare-cutting endonuclease for genetic engineering and gene therapy. | 06-17-2010 |
| 20100146651 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM THE HPRT GENE AND USES THEREOF - An I-CreI variant or a single-chain derivative having at least one substitution in one of the two functional subdomains of the LAGLIDADG (SEQ ID NO: 153) core domain situated from positions 26 to 40 and 44 to 77 of I-CreI, and being able to cleave a DNA target sequence from the HPRT gene having a nucleotide sequence of SEQ ID NO: 1 to 14. Use of said variant for inducing a site-specific modification in the HPRT gene, for therapeutic (gene therapy of Lesch-Nyhan syndrome) or non-therapeutic purpose (engineering of transgenic animals and recombinant cell lines). | 06-10-2010 |
| 20100144012 | USE OF MEGANUCLEASES FOR INDUCING HOMOLOGOUS RECOMBINATION EX VIVO AND IN TOTO IN VERTEBRATE SOMATIC TISSUES AND APPLICATION THEREOF - A single chain homing endonuclease, comprising a first variant of I-CreI having the amino acid sequence of accession number pdb 1g9y and a second variant of I-CreI variant having the amino acid sequence of accession number pdb 1g9y in a single polypeptide. | 06-10-2010 |
| 20100086533 | LAGLIDADG HOMING ENDONUCLEASE VARIANTS HAVING NOVEL SUBSTRATE SPECIFICITY AND USE THEREOF - A LAGLIDADG homing endonuclease variant having novel substrate specificity, said variant being obtainable by a method comprising: (a) the mutation of at least one amino acid residue of the final C-terminal loop of a parent LAGLIDADG homing endonuclease, with the exclusion of the threonine 140 of I-CreI, b) the selection and/or screening of the variants from step (a) having a pattern of cleaved DNA targets that is different from that of the parent LAGLIDADG homing endonuclease. | 04-08-2010 |
| 20100022550 | TETRAHYDROCARBAZOLE DERIVATIVES USEFUL AS ANDROGEN RECEPTOR MODULATORS - The present invention provides a compound of the formula: Formula (I) or a pharmaceutically acceptable salt thereof; pharmaceutical compositions comprising an effective amount of a compound of Formula (I) in combination with a suitable carrier, diluent, or excipient; and methods for treating physiological disorders, particularly frailty, osteoporosis, osteopenia, and male and female sexual dysfunction comprising administering to a patient in need thereof an effective amount of a compound of formula (I). | 01-28-2010 |
| 20100021448 | I-CREI MEGANUCLEASE VARIANTS WITH MODIFIED SPECIFICITY, METHOD OF PREPARATION AND USES THEREOF - Method of preparing 1-CreI meganuclease variants having a modified cleavage specificity, variants obtainable by said method and their applications either for cleaving new DNA target or for genetic engineering and genome engineering for non-therapeutic purposes. Nucleic acids encoding said variants, expression cassettes comprising said nucleic acids, vectors comprising said expression cassettes, cells or organisms, plants or animals except humans, transformed by said vectors. | 01-28-2010 |
| 20090271881 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM A RAG GENE AND USES THEREOF - An I-CreI variant, wherein one of the I-CreI monomers has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG core domain situated respectively from positions 26 to 40 and 44 to 77 of I-CreI, said variant being able to cleave a DNA target sequence from a RAG gene. Use of said variant and derived products for the prevention and the treatment of a SCID syndrome associated with a mutation in a RAG gene. | 10-29-2009 |
| 20090222937 | MEGANUCLEASE VARIANTS CLEAVING A DNA TARGET SEQUENCE FROM A XERODERMA PIGMENTOSUM GENE AND USES THEREOF - An I-CreI variant which has at least two substitutions, one in each of the two functional subdomains of the LAGLIDADG (SEQ ID NO: 229) core domain situated from positions 26 to 40 and 44 to 77 of I-CreI, said variant being able to cleave a DNA target sequence from a xeroderma pigmentosum gene. Use of said variant and derived products for the prevention and the treatment of Xeroderma pigmentosum. | 09-03-2009 |
| 20090220476 | LAGLIDADG HOMING ENDONUCLEASE VARIANTS HAVING MUTATIONS IN TWO FUNCTIONAL SUBDOMAINS AND USE THEREOF - Provided is a LAGLIDADG (SEQ ID NO: 50) homing endonuclease variant having mutations in two separate subdomains, each binding to a distinct part of a modified DNA target half-site, the LAGLIDADG (SEQ ID NO: 50) homing endonuclease variant being able to cleave a chimeric DNA target sequence having nucleotides bound by each subdomain. A heterodimeric meganuclease and derived products for genetic engineering, genome therapy and antiviral therapy are also provided. | 09-03-2009 |
| 20080271166 | I-Dmoi Derivatives with Enhanced Activity at 37oC and Use Thereof - I-DmoI derivatives with enhanced cleavage activity at 37° C., said mutant comprising a sequence of a mutant of a I-DmoI endonuclease or a chimeric 5 derivative thereof including at least the first I-DmoIdomain, said sequence comprising the sub-situation of at least: (i) one of the residues in positions 4, 20, 49, 52, 92, 94 and/or 95 of said first I-DmoIdomain, and/or (ii) one of the residues in positions 101, 102, and/or 109 of the linker or the beginning of the second domain of I-DmoI, if present. 10 Polynucleotide encoding said derivatives, cell, animal or plant comprising said polynucleotide and use thereof for isolating meganucleases with new DNA target specificity. | 10-30-2008 |
