Patents Assigned to Caribou Biosciences, Inc.
-
Publication number: 20250090584Abstract: The invention comprises methods and compositions for treating autoimmune diseases with engineered immune cells including cytotoxic T cells and natural killer (NK) cells. The engineered immune cells comprise a chimeric antigen receptor (CAR). Methods of making the engineered cells, methods of administration and treatment regimens are also disclosed.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Applicant: Caribou Biosciences, Inc.Inventors: Steven B. Kanner, George Kwong
-
Patent number: 12227776Abstract: The present disclosure provides engineered Class 1 Type I CRISPR-Cas (Cascade) systems that comprise multi-protein effector complexes, nucleoprotein complexes comprising Type I CRISPR-Cas subunit proteins and nucleic acid guides, polynucleotides encoding Type I CRISPR-Cas subunit proteins, and guide polynucleotides. Also, disclosed are methods for making and using the engineered Class 1 Type I CRISPR-Cas systems of the present invention.Type: GrantFiled: December 11, 2020Date of Patent: February 18, 2025Assignee: Caribou Biosciences, Inc.Inventors: Peter Sean Cameron, Scott David Gradia, Sanne Eveline Klompe, Samuel Henry Sternberg, Matthew Scott Thompson
-
Publication number: 20250034633Abstract: The invention is a method of capturing DNA ends formed by endonuclease cleavage, such as CRISPR endonuclease cleavage, for downstream analysis including amplification and sequencing.Type: ApplicationFiled: December 5, 2022Publication date: January 30, 2025Applicant: Caribou Biosciences, Inc.Inventor: Scott David Gradia
-
Publication number: 20250027078Abstract: The present disclosure provides guides for use in Type V CRISPR systems wherein such guides contain ribonucleotide bases and at least one deoxyribonucleotide base. CRISPR Cas12 guides that contain at least one deoxyribonucleotide base, as well as nucleoprotein complexes of Type V CRISPR-Cas12 proteins and such guides, are also described. Also disclosed are methods for making and using the deoxyribonucleotide-containing polynucleotides and guides, and for making and using the nucleoprotein complexes. Also disclosed are methods for engineering cells using Cas12 chRDNA guide/nucleoprotein complexes to produce CAR-expressing cells; and the use of such CAR-expressing cells in adaptive cell therapy.Type: ApplicationFiled: October 18, 2021Publication date: January 23, 2025Applicant: Caribou Biosciences, Inc.Inventor: Paul Daniel Donohoue
-
Publication number: 20250019739Abstract: The invention comprises a rapid in vitro method of assessing activity of an endonuclease, and a substrate therefor. Compositions, diagnostic methods, and kits are also disclosed.Type: ApplicationFiled: October 24, 2022Publication date: January 16, 2025Applicant: Caribou Biosciences, Inc.Inventor: Stephen SMITH
-
Publication number: 20240350631Abstract: The invention comprises anti-ROR1 chimeric antigen receptor (CAR) T cells (CAR-T cells) natural killer cells (CAR-NK cells), compositions comprising the cells and methods of making and using the same, including methods of treatment of ROR1-expressing tumors.Type: ApplicationFiled: September 28, 2023Publication date: October 24, 2024Applicant: Caribou Biosciences, Inc.Inventors: Emilie Degagne, Paul Daniel Donohoue, Leslie Edwards, Elizabeth Garner, Rodolfo Gonzalez, Erica Hennessy, Steven B. Kanner, Bastien Vidal
-
Publication number: 20240239918Abstract: The present invention is directed to a monoclonal mouse or humanized ROR1 antibody, or a single-chain variable fragment (scFv). The present invention is also directed to a mouse or humanized ROR1 chimeric antigen receptor (CAR) comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) of the present invention, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain.Type: ApplicationFiled: February 1, 2024Publication date: July 18, 2024Applicant: Caribou Biosciences, Inc.Inventors: Vita Golubovskaya, Lijun Wu
-
Publication number: 20240182591Abstract: The present invention is directed to a humanized BCMA single-chain variable fragment (scFv), comprising VH having the amino acid sequence of SEQ ID NO: 3 and VL having the amino acid sequence of SEQ ID NO: 5. The present invention is also directed to a BCMA chimeric antigen receptor fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) of the present invention, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain. This humanized BCMA-CAR-T cells have specific killing activity against BCMA-positive tumor cells.Type: ApplicationFiled: September 8, 2022Publication date: June 6, 2024Applicant: Caribou Biosciences, Inc.Inventors: Lijun Wu, Vita Golubovskaya
-
Publication number: 20240174998Abstract: A clustered regularly interspaced short palindromic repeat (CRISPR)-associated complex for adaptive antiviral defence (Cascade); the Cascade protein complex comprising at least CRISPR-associated protein subunits Cas7, Cas5 and Cas6 which includes at least one subunit with an additional amino acid sequence possessing nucleic acid or chromatin modifying, visualising, transcription activating or transcription repressing activity. The Cascade complex with additional activity is combined with an RNA molecule to produce a ribonucleoprotein complex. The RNA molecule is selected to have substantial complementarity to a target sequence. Targeted ribonucleoproteins can be used as genetic engineering tools for precise cutting of nucleic acids in homologous recombination, non-homologous end joining, gene modification, gene integration, mutation repair or for their visualisation, transcriptional activation or repression.Type: ApplicationFiled: January 25, 2024Publication date: May 30, 2024Applicant: Caribou Biosciences, Inc.Inventors: Stan Johan Josef Brouns, John van der Oast
-
Publication number: 20240167023Abstract: This disclosure provides for compositions and methods for the use of nucleic acid-targeting nucleic acids and complexes thereof. Genome engineering can refer to altering the genome by deleting, inserting, mutating, or substituting specific nucleic acid sequences. The altering can be gene or location specific. Genome engineering can use nucleases to cut a nucleic acid thereby generating a site for the alteration. Engineering of non-genomic nucleic acid is also contemplated.Type: ApplicationFiled: May 19, 2023Publication date: May 23, 2024Applicant: Caribou Biosciences, Inc.Inventors: James M. Berger, Matthew Merrill Carter, Paul Daniel Donohoue, Jennifer A. Doudna, Rachel E. Haurwitz, Andrew Paul May
-
Patent number: 11939604Abstract: A clustered regularly interspaced short palindromic repeat (CRISPR)-associated complex for adaptive antiviral defence (Cascade); the Cascade protein complex comprising at least CRISPR-associated protein subunits Cas7, Cas5 and Cash which includes at least one subunit with an additional amino acid sequence possessing nucleic acid or chromatin modifying, visualising, transcription activating or transcription repressing activity. The Cascade complex with additional activity is combined with an RNA molecule to produce a ribonucleoprotein complex. The RNA molecule is selected to have substantial complementarity to a target sequence. Targeted ribonucleoproteins can be used as genetic engineering tools for precise cutting of nucleic acids in homologous recombination, non-homologous end joining, gene modification, gene integration, mutation repair or for their visualisation, transcriptional activation or repression.Type: GrantFiled: February 18, 2021Date of Patent: March 26, 2024Assignee: Caribou Biosciences, Inc.Inventors: Stan Johan Jozef Brouns, John van der Oost
-
Publication number: 20230383009Abstract: The present invention is directed to a monoclonal mouse or humanized ROR1 antibody, or a single-chain variable fragment (scFv). The present invention is also directed to a mouse or humanized ROR1 chimeric antigen receptor (CAR) comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) of the present invention, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain.Type: ApplicationFiled: May 22, 2023Publication date: November 30, 2023Applicant: Caribou Biosciences, Inc.Inventors: Vita Golubovskaya, Lijun Wu
-
Publication number: 20230193324Abstract: The present disclosure provides DNA-guided CRISPR systems; polynucleotides comprising DNA, RNA and mixtures thereof for use with CRISPR systems; and methods of use involving such polynucleotides and DNA-guided CRISPR systems.Type: ApplicationFiled: August 15, 2022Publication date: June 22, 2023Applicant: Caribou Biosciences, Inc.Inventors: Andrew Paul MAY, Paul Daniel Donohoue
-
Patent number: 11555181Abstract: The present disclosure provides engineered Class 1 Type I CRISPR-Cas (Cascade) systems that comprise multi-protein effector complexes, nucleoprotein complexes comprising Type I CRISPR-Cas subunit proteins and nucleic acid guides, polynucleotides encoding Type I CRISPR-Cas subunit proteins, and guide polynucleotides. Also, disclosed are methods for making and using the engineered Class 1 Type I CRISPR-Cas systems of the present invention.Type: GrantFiled: September 21, 2020Date of Patent: January 17, 2023Assignee: Caribou Biosciences, Inc.Inventors: Peter Sean Cameron, Sanne Eveline Klompe, Samuel Henry Sternberg
-
Patent number: 11505808Abstract: The present disclosure provides engineered polynucleotide sequences that form scaffolds and nucleoprotein complexes comprising such engineered polynucleotide sequences that form scaffolds and nucleic acid binding proteins. Nucleic acid sequences encoding the engineered polynucleotide sequences that form scaffolds, as well as expression cassettes, vectors and cells comprising such polynucleotide sequences, are described. A variety of methods for making and using the engineered polynucleotide sequences that form scaffolds are also disclosed.Type: GrantFiled: October 4, 2018Date of Patent: November 22, 2022Assignee: Caribou Biosciences, Inc.Inventors: Paul Daniel Donohoue, Andrew Paul May
-
Publication number: 20220348929Abstract: The present disclosure provides polynucleotide guides for use in CRISPR-Cas systems wherein such polynucleotides contain at least one CRISPR abasic restricted nucleotide (CABRNT) and/or at least one CRISPR accuracy via analogs (CAVA) nucleotide. CRISPR guides that contain at least one abasic site and/or at least one base analog, as well as nucleoprotein complexes of CRISPR-Cas proteins and CABRNT, CAVA, and CABRNT-CAVA guides are also described. Also disclosed are methods for making and using the CABRNT, CAVA, and CABRNT-CAVA polynucleotides and guides and the CABRNT/Cas, CAVA/Cas, and CABRNT-CAVA/Cas nucleoprotein complexes of the present invention.Type: ApplicationFiled: December 8, 2020Publication date: November 3, 2022Applicant: Caribou Biosciences, Inc.Inventors: Paul Daniel DONOHOUE, Matthew John IRBY
-
Patent number: 11472884Abstract: The present invention is directed to a humanized BCMA single-chain variable fragment (scFv), comprising VH having the amino acid sequence of SEQ ID NO: 3 and VL having the amino acid sequence of SEQ ID NO: 5. The present invention is also directed to a BCMA chimeric antigen receptor fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) of the present invention, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain. This humanized BCMA-CAR-T cells have specific killing activity against BCMA-positive tumor cells.Type: GrantFiled: March 21, 2022Date of Patent: October 18, 2022Assignee: Caribou Biosciences, Inc.Inventors: Lijun Wu, Vita Golubovskaya
-
Patent number: 11459588Abstract: The present disclosure provides DNA-guided CRISPR systems; polynucleotides comprising DNA, RNA and mixtures thereof for use with CRISPR systems; and methods of use involving such polynucleotides and DNA-guided CRISPR systems.Type: GrantFiled: March 22, 2021Date of Patent: October 4, 2022Assignee: CARIBOU BIOSCIENCES, INC.Inventors: Andrew Paul May, Paul Daniel Donohoue
-
Publication number: 20220220217Abstract: The present invention is directed to a humanized BCMA single-chain variable fragment (scFv), comprising VH having the amino acid sequence of SEQ ID NO: 3 and VL having the amino acid sequence of SEQ ID NO: 5. The present invention is also directed to a BCMA chimeric antigen receptor fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) of the present invention, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain. This humanized BCMA-CAR-T cells have specific killing activity against BCMA-positive tumor cells.Type: ApplicationFiled: March 21, 2022Publication date: July 14, 2022Applicant: Caribou Biosciences, Inc.Inventors: Lijun Wu, Vita Golubovskaya
-
Patent number: 11312953Abstract: This disclosure provides for compositions and methods for the use of nucleic acid-targeting nucleic acids and complexes thereof.Type: GrantFiled: November 4, 2016Date of Patent: April 26, 2022Assignee: Caribou Biosciences, Inc.Inventors: Andrew Paul May, Rachel E. Haurwitz, Jennifer A. Doudna, James M. Berger, Matthew Merrill Carter, Paul Daniel Donohoue