Patents by Inventor Lei S. Qi

Lei S. Qi 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).

  • Publication number: 20240115739
    Abstract: The present disclosure generally relates to engineered Cluster Regularly Interspaced Short Palindromic Repeat (CRISPR)-associated (Cas) 12a proteins and system, and methods for use in gene editing and gene modulation for application to gene therapy. Related systems and methods of gene modulation are also disclosed.
    Type: Application
    Filed: February 11, 2022
    Publication date: April 11, 2024
    Inventors: Lei S. QI, Lucie GUO, Hannah KEMPTON
  • Publication number: 20240110175
    Abstract: The present disclosure generally relates to compositions and methods simultaneous, multi-mode gene expression regulation (e.g., simultaneous upregulation and down regulation of multiple target genes). The present disclosure further relates to novel constructs for engineered multiplex CRISPR arrays.
    Type: Application
    Filed: January 18, 2022
    Publication date: April 4, 2024
    Inventors: Jens Peter MAGNUSSON, Lei S. QI
  • Publication number: 20240084335
    Abstract: The present disclosure provides systems, compositions and methods for regulating expression of a target polynucleotide in a cell. The systems, compositions and methods comprise a chimeric receptor polypeptide comprising a G-protein coupled receptor (GPCR) or a fragment thereof, a chimeric adaptor polypeptide, at least one actuator moiety and a cleavage moiety.
    Type: Application
    Filed: September 29, 2023
    Publication date: March 14, 2024
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, P.C. Dave P. Dingal
  • Publication number: 20240035009
    Abstract: The present disclosure provides one or more engineered nucleases and systems, compositions, and methods thereof, wherein the one or more engineered nucleases can be used to effect binding, cleaving, and/or editing a target polynucleotide sequence. The one or more engineered nucleases can be engineered variants of a small CRISPR/Cas protein.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 1, 2024
    Inventors: Xiao Yang, Lei S. Qi, Vincent Cutillas, Gabriella Alvarez, Tabitha Tcheau, Daniel Hart
  • Publication number: 20240018493
    Abstract: The present disclosure provides compositions, systems, and methods for genome editing, efficient knock-in of large DNA fragments, and long-term, stable, high expression of integrated transgenes. Also provided are modified cells, vaccines comprising modified cells, and methods of using such cells to induce an immune response.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 18, 2024
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Michael G. CHAVEZ, Lei S. QI
  • Publication number: 20240009234
    Abstract: Provided herein are chimeric transmembrane receptor polypeptides configured to oligomerize upon recognition of an extramembrane signal. The receptors include an extramembrane domain, a transmembrane domain, and an intramembrane domain configured to induce activation of one or more intramembrane signal pathways upon oligomerization of the receptor. The provided receptors are particularly useful for engineered cell therapies. Also provided are systems and host cells including the disclosed receptors, and methods for using the disclosed materials.
    Type: Application
    Filed: July 28, 2021
    Publication date: January 11, 2024
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Michael Chavez, Paul B. Finn
  • Publication number: 20230416336
    Abstract: The present disclosure provides systems for immune cell regulation and methods of immunotherapy. Systems of the present disclosure for immune cell regulation comprise a chimeric receptor polypeptide, a chimeric adaptor polypeptide, a gene modulating polypeptide (GMP), and a cleavage moiety.
    Type: Application
    Filed: October 28, 2022
    Publication date: December 28, 2023
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Bing C. Wang
  • Publication number: 20230340439
    Abstract: Provided herein are Cas proteins and guide RNA molecules engineered to exhibit increased activity in eukaryotic cells. The provided Cas proteins and RNA molecules are particularly useful for applications where modulation of eukaryotic nucleic acids with relatively small molecules is advantageous. Also provided are nucleic acids and vectors encoding the disclosed Cas proteins and guide RNA molecules, pharmaceutical compositions including the Cas proteins and guide RNA molecules, and methods for using the disclosed materials.
    Type: Application
    Filed: February 24, 2023
    Publication date: October 26, 2023
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Xiaoshu XU
  • Patent number: 11773411
    Abstract: The present disclosure provides systems, compositions and methods for regulating expression of a target polynucleotide in a cell. The systems, compositions and methods comprise a chimeric receptor polypeptide comprising a G-protein coupled receptor (GPCR) or a fragment thereof, a chimeric adaptor polypeptide, at least one actuator moiety and a cleavage moiety.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: October 3, 2023
    Assignee: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Lei S. Qi, P. C. Dave P. Dingal
  • Publication number: 20230235324
    Abstract: Fusion constructs encoding RNase-H-like domain containing compositions are disclosed. Disclosed are also compositions and methods utilizing RNase-H-like domain containing compositions for the treatment of cancer. Also disclosed are the methods of making and using the RNase-H-like domain containing compositions in treating various diseases, conditions, and cancer.
    Type: Application
    Filed: July 22, 2022
    Publication date: July 27, 2023
    Applicants: The Board of Trustees of the Leland Stanford Junior University, Intima Bioscience, Inc.
    Inventors: LEI S QI, Modassir S. Choudhry, Xueqiu Lin, Xiaoshu Xu
  • Publication number: 20230174975
    Abstract: Described herein are systems for targeting viral genomes. Also described herein are methods for targeting viral genomes utilizing the systems described in the instant disclosure. In some cases, systems and methods disclosed herein can be used to treat viral infections. In preferred embodiments, the systems utilise a CRISPR/Cas13d complex to target the genome of an RNA virus such as coronavirus or influenza virus.
    Type: Application
    Filed: March 12, 2021
    Publication date: June 8, 2023
    Applicant: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Lei S. Qi, Marie F. LA RUSSA, Timothy R. ABBOTT, David B. LEWIS
  • Publication number: 20230042624
    Abstract: Methods, compositions, and kits are provided for CRISPR/Cas mediated transcriptional modulation.
    Type: Application
    Filed: January 24, 2022
    Publication date: February 9, 2023
    Inventors: Luke A. Gilbert, Max Horlbeck, Martin Kampmann, Lei S. Qi, Jonathan S. Weissman
  • Patent number: 11447774
    Abstract: Fusion constructs encoding RNase-H-like domain containing compositions are disclosed. Disclosed are also compositions and methods utilizing RNase-H-like domain containing compositions for the treatment of cancer. Also disclosed are the methods of making and using the RNase-H-like domain containing compositions in treating various diseases, conditions, and cancer.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: September 20, 2022
    Assignees: The Board of Trustees of the Leland Stanford Junior University, Intima Bioscience, Inc.
    Inventors: Lei S. Qi, Modassir S. Choudhry, Xueqiu Lin, Xiaoshu Xu
  • Publication number: 20220283144
    Abstract: Provided herein are compositions and methods for identifying and using stem cell regulation factors. For example, in some embodiments, provided herein are compositions and methods for identifying stem cell regulation factors using marker gene expression libraries. Also provided herein are compositions and methods for generating differentiated cells lines and uses of such cell lines.
    Type: Application
    Filed: October 7, 2021
    Publication date: September 8, 2022
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Yanxia Liu
  • Publication number: 20220089659
    Abstract: Constructs comprising Argonautes and neighboring genes are disclosed for use in gene editing. Disclosed are also compositions and methods utilizing these Argonautes and neighboring genes. Also disclosed are the methods of making and using the Argonautes and neighboring genes in treating various diseases, conditions, and cancer.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 24, 2022
    Applicants: The Board of Trustees of the Leland Stanford Junior University, Intima Bioscience, Inc.
    Inventors: Lei S. Qi, Modassir Choudhry, Xueqiu Lin, Trevor N. Collingwood, Thomas Henley, Benjamin Klapholz, Tilmann Buerckstuemmer, Sejla Salic
  • Publication number: 20220056097
    Abstract: Provided herein are systems and methods for the controlling the spatial positioning of a compartment or compartment-like environment to a target polynucleotide in a cell.
    Type: Application
    Filed: April 5, 2021
    Publication date: February 24, 2022
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Yuchen Gao
  • Patent number: 11254933
    Abstract: Methods, compositions, and kits are provided for CRISPR/Cas mediated transcriptional modulation.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: February 22, 2022
    Assignee: The Regents of the University of California
    Inventors: Luke A Gilbert, Max Horlbeck, Martin Kampmann, Lei S Qi, Jonathan S Weissman
  • Publication number: 20220002753
    Abstract: Provided herein are systems and methods for the controlling the spatial positioning of a target polynucleotide in a compartment of a cell.
    Type: Application
    Filed: February 19, 2021
    Publication date: January 6, 2022
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Haifeng Wang
  • Patent number: 11111287
    Abstract: The present disclosure provides systems for immune cell regulation and methods of immunotherapy. Systems of the present disclosure for immune cell regulation comprise a chimeric receptor polypeptide, a chimeric adaptor polypeptide, a gene modulating polypeptide (GMP), and a cleavage moiety.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: September 7, 2021
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, Bing C. Wang
  • Publication number: 20210062227
    Abstract: The present disclosure provides systems, compositions and methods for regulating expression of a target polynucleotide in a cell. The systems, compositions and methods comprise a chimeric receptor polypeptide comprising a G-protein coupled receptor (GPCR) or a fragment thereof, a chimeric adaptor polypeptide, at least one actuator moiety and a cleavage moiety.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Lei S. Qi, P.C. Dave P. Dingal