Patents by Inventor Lijun Wu

Lijun Wu 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: 11472884
    Abstract: 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: Grant
    Filed: March 21, 2022
    Date of Patent: October 18, 2022
    Assignee: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20220280905
    Abstract: A depolymerization system with a tube-wound heat exchanger (4) comprises a heat exchange device for heating a material, having a material output; a gas-liquid separation device (1) having an inlet and a gas output, connected to the material output of the heat exchange device; and a depolymerization device (2) connected to the gas output of the gas-liquid separation device (1); the heat exchange device comprises at least one tube-wound heat exchanger (4). The depolymerization rate is greatly improved and the service period of the whole depolymerization system can be greatly improved.
    Type: Application
    Filed: April 1, 2020
    Publication date: September 8, 2022
    Inventors: Jiang Tao, Xianan Zhang, Jianliang Wang, Xingmiao Hu, Li Wang, Lijun Wu, Chenyang Huang
  • Publication number: 20220220201
    Abstract: The present invention is directed to a monoclonal anti-human CS1 antibody or a single-chain variable fragment (scFv), comprising VH having the amino acid of SEQ ID NO: 3 and VL having the amino acid of SEQ ID NO: 7. The present invention is also directed to a 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.
    Type: Application
    Filed: February 23, 2022
    Publication date: July 14, 2022
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20220220217
    Abstract: 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: Application
    Filed: March 21, 2022
    Publication date: July 14, 2022
    Applicant: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Patent number: 11332513
    Abstract: The present invention is directed to a chimeric antigen receptor (CAR) fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) comprising VH and VL, wherein scFv binds to a tumor antigen, (ii) a transmembrane domain, (iii) a co-stimulatory domain of GITR intracellular domain, and (iv) an activating domain. In one embodiment, the tumor antigen is human epidermal growth factor receptor (EGFR), human mesothelin, or human CD19. CARs having GITR intracellular domain as a co-stimulatory domain have certain advantages over other traditional CAR co-stimulatory domains.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 17, 2022
    Assignees: ProMab Biotechnologies, Inc., Forevertek Biotechnology Co., Ltd, The General Hospital Corporation
    Inventors: Lijun Wu, Marcela V. Maus, Vita Golubovskaya
  • Patent number: 11299549
    Abstract: 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: Grant
    Filed: October 4, 2021
    Date of Patent: April 12, 2022
    Assignee: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Patent number: 11263483
    Abstract: A method and apparatus for recognizing an image, and a storage medium are provided. The method includes: obtaining labeling results of training data to be labeled in a target training data set; determining a weight coefficient of each labeling result in response to that the training data includes a plurality of labeling results; determining a label of the training data based on labeling result and the weight coefficient corresponding to the labeling result, wherein the training data with the label is the target training data for training a recognition model; and recognizing the image based on the recognition model trained based on the target training data.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: March 1, 2022
    Assignee: Beijing Dajia Internet Information Technology Co., Ltd.
    Inventors: Zhiwei Zhang, Yan Li, Lijun Wu
  • Publication number: 20220017633
    Abstract: 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: Application
    Filed: October 4, 2021
    Publication date: January 20, 2022
    Applicant: CARIBOU BIOSCIENCES, INC.
    Inventors: LIJUN WU, VITA GOLUBOVSKAYA
  • Publication number: 20210395362
    Abstract: Provided is a humanized CD19 single-chain variable fragment (scFv) having a mutation of valine to glycine in CDR1, comprising VH having the amino acid sequence of SEQ ID NO: 6 and VL having the amino acid sequence of SEQ ID NO: 5. Also provided is a CD19 chimeric antigen receptor fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv), (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain. This humanized CD19-CAR-T cells have specific killing activity with secretion of cytokine IFN-gamma in CAR-T cells in vitro and in vivo.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 23, 2021
    Applicant: ZHEJIANG RUIJIAMEI BIOTECH CO., LTD.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210395364
    Abstract: The present invention is directed to a humanized CD19 single-chain variable fragment (scFv), comprising the amino acid sequence of SEQ ID NO: 8. The present invention is also directed to a CD19 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. The humanized anti-CD19 scFv of the present invention exhibits selective and high-affinity binding to CD19. CD19-CAR T cells based on humanized scFv of the present invention are useful to treat patients with B-cell malignancies including leukemia and lymphomas.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210347909
    Abstract: The present invention is directed to a humanized monoclonal anti-human EpCAM antibody, such as a single-chain variable fragment (scFv), comprising VH having the amino acid of SEQ ID NO: 2 and VL having the amino acid of SEQ ID NO: 4. The present invention is also directed to a 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.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 11, 2021
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210340271
    Abstract: The present invention is directed to a monoclonal anti-human CD37 antibody or a single-chain variable fragment (scFv), comprising VH having the amino acid of SEQ ID NO: 3 and VL having the amino acid of SEQ ID NO: 7. The present invention is also directed to a 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.
    Type: Application
    Filed: July 8, 2021
    Publication date: November 4, 2021
    Inventors: Lijun Wu, Vita Golubovskaya
  • Patent number: 11142583
    Abstract: 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: Grant
    Filed: May 21, 2021
    Date of Patent: October 12, 2021
    Assignee: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210277136
    Abstract: 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: Application
    Filed: May 21, 2021
    Publication date: September 9, 2021
    Applicant: CARIBOU BIOSCIENCES, INC.
    Inventors: LIJUN WU, VITA GOLUBOVSKAYA
  • Patent number: 11034763
    Abstract: The present invention provides chimeric antigen receptor (CAR)-T cells modified to express a CAR fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) comprising VH and VL, wherein scFv has an activity against a tumor antigen CD19, (ii) a transmembrane domain, (iii) at least one co-stimulatory domains, and (iv) an activating domain; wherein the fusion protein further comprises a FLAG tag N-terminus to scFv, C-terminus to scFv, or between VH and VL. Using CD19-FLAG CAR-T cells instead of CD19 CAR-T cells, cytokine levels (Interferon-?, IL-2 and IL6) caused by infused CAR-T cells are reduced.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: June 15, 2021
    Assignees: ProMab Biotechnologies, Inc., Forevertek Biotechnology Co., Ltd.
    Inventors: Lijun Wu, Vita Golubovskaya, Martyn Lewis, Hua Zhou
  • Patent number: 11021542
    Abstract: 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: Grant
    Filed: January 13, 2021
    Date of Patent: June 1, 2021
    Assignee: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210155704
    Abstract: 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: Application
    Filed: January 13, 2021
    Publication date: May 27, 2021
    Applicant: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya
  • Publication number: 20210117726
    Abstract: A method for training an image classifying model can include: selecting a plurality of sample images from a sample image set; determining a plurality of sample image pairs according to a tag ratio diagram; building a target loss function based on the plurality of sample image pairs, and training a first image classifying model based on the target loss function to determine the image classifying model.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Zhiwei ZHANG, Yan LI, Lijun WU
  • Publication number: 20210107996
    Abstract: The present invention is directed to a chimeric antigen receptor (CAR) fusion protein comprising from N-terminus to C-terminus: (i) a single-chain variable fragment (scFv) comprising VH and VL, wherein scFv binds to human PLAP (placental alkaline phosphatase), (ii) a transmembrane domain, (iii) a co-stimulatory domain of CD28, OX-40, GITR, or 4-1BB, and (iv) CD3 an activating domain. The present invention is also directed to T cells, natural killer (NK) cells, or macrophages, modified to express the CAR of the present invention. The present invention is further directed to a method for treating PLAP-positive cancer cells by administering PLAP-CAR-T cells, PLAP-CAR-NK cells, or PLAP-CAR-macrophages to the patients.
    Type: Application
    Filed: December 8, 2020
    Publication date: April 15, 2021
    Inventors: Lijun WU, Vita Golubovskaya
  • Patent number: 10927182
    Abstract: 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: Grant
    Filed: September 2, 2020
    Date of Patent: February 23, 2021
    Assignee: Caribou Biosciences, Inc.
    Inventors: Lijun Wu, Vita Golubovskaya