Patents by Inventor Irving L. Weissman

Irving L. Weissman 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: 20230068235
    Abstract: Methods are provided for treating a subject with an anti-CD47 agent.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 2, 2023
    Inventors: Irving L. Weissman, Mark P. Chao, Ravindra Majeti, Jie Liu, Jens-Peter Volkmer
  • Patent number: 11529391
    Abstract: Methods and compositions are provided for the therapeutic use of hedgehog agents, for enhancing bone growth and regeneration in diabetic or pre-diabetic patients, including repair following injury, osseointegration of implants, and the like. In some embodiments of the invention, the compositions are administered locally, e.g. by injection or implantation at the site of an injury.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 20, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Michael T. Longaker, Irving L. Weissman, Ruth Tevlin, Charles K. F. Chan
  • Patent number: 11518806
    Abstract: Methods are provided for treating a subject with a therapeutic dose of anti-CD47 agent by administering a primer agent prior to administering a therapeutically effective dose of an anti-CD47 agent to the subject.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: December 6, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Stephen Willingham, Maureen Howard, Jie Liu, Ravindra Majeti, Susan Sweeney Prohaska, Anne K. Volkmer, Jens-Peter Volkmer, Irving L. Weissman
  • Publication number: 20220347224
    Abstract: The present invention provides a clinically applicable method of stem cell transplantation that facilitates engraftment and reconstitutes immunocompetence of the recipient without requiring radiotherapy or chemotherapy, and without development of GVHD or graft rejection. Aspects of the present invention are based on the discovery that the depletion of the endogenous stem cell niche facilitates efficient engraftment of stem cells into that niche. In particular, the present invention combines the use of selective ablation of endogenous stem cells with a combination of antibodies specific for CD117, and agents that modulate immunoregulatory signaling pathways, e.g. agonists of immune costimulatory molecules, in combination with the administration to the recipient of exogenous stem cells, resulting in efficient, long-term engraftment, even in immunocompetent recipients.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: Judith A. Shizuru, Irving L. Weissman, Kipp Andrew Weiskopf, Aaron Michael Ring, Akanksha Chhabra, Peter Schnorr
  • Patent number: 11472878
    Abstract: Methods are provided for treating a subject with an anti-CD47 agent.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: October 18, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Irving L. Weissman, Mark P. Chao, Ravindra Majeti, Jie Liu, Jens-Peter Volkmer
  • Publication number: 20220324973
    Abstract: Markers of acute myeloid leukemia stem cells (AMLSC) are identified. The markers are differentially expressed in comparison with normal counterpart cells, and are useful as diagnostic and therapeutic targets.
    Type: Application
    Filed: May 4, 2022
    Publication date: October 13, 2022
    Inventors: Ravindra Majeti, Irving L. Weissman
  • Patent number: 11459388
    Abstract: Methods and compositions are provided for inducing phagocytosis of a target cell, treating an individual having cancer, treating an individual having an intracellular pathogen infection (e.g., a chronic infection), and/or reducing the number of inflicted cells (e.g., cancer cells, cells infected with an intracellular pathogen, etc.) in an individual. Methods and compositions are also provided for predicting whether an individual is resistant (or susceptible) to treatment with an anti-CD47/SIRPA agent. In some cases, the subject methods and compositions include an anti-MHC Class I/LILRB1 agent. In some cases, the subject methods and compositions include an anti-MHC Class I/LILRB1 agent and an anti-CD47/SIRPA agent (e.g., co-administration of an anti-MHC Class I/LILRB1 agent and an anti-CD47/SIRPA agent). Kits are also provided for practicing the methods of the disclosure.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: October 4, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Roy Louis Maute, Kipp Andrew Weiskopf, Aaron Michael Ring, Irving L. Weissman
  • Publication number: 20220289845
    Abstract: Methods are provided for treating a subject with a therapeutic dose of anti-CD47 agent by administering a primer agent prior to administering a therapeutically effective dose of an anti-CD47 agent to the subject.
    Type: Application
    Filed: May 2, 2022
    Publication date: September 15, 2022
    Inventors: Stephen Willingham, Maureen Howard, Jie Liu, Ravindra Majeti, Susan Sweeney Prohaska, Anne Kathrin Volkmer, Jens-Peter Volkmer, Irving L. Weissman
  • Publication number: 20220275085
    Abstract: Markers of acute myeloid leukemia stem cells (AMLSC) are identified. The markers are differentially expressed in comparison with normal counterpart cells, and are useful as diagnostic and therapeutic targets.
    Type: Application
    Filed: May 4, 2022
    Publication date: September 1, 2022
    Inventors: Ravindra Majeti, Irving L. Weissman, Siddhartha Jaiswal, Mark P. Chao
  • Publication number: 20220275084
    Abstract: Compositions and methods are provided for treating fibrosis in a mammal by administering a therapeutic dose of a pharmaceutical composition.
    Type: Application
    Filed: February 9, 2022
    Publication date: September 1, 2022
    Inventors: Gerlinde Wernig, Irving L. Weissman
  • Publication number: 20220267439
    Abstract: Methods are provided to manipulate phagocytosis of cells, including hematopoietic cells, e.g. circulating hematopoietic cells, bone marrow cells, acute leukemia cells, etc.; and solid tumor cells. In some embodiments of the invention the circulating cells are hematopoietic stem cells, or hematopoietic progenitor cells, particularly in a transplantation context, where protection from phagocytosis is desirable. In other embodiments the circulating cells are leukemia cells, particularly acute myeloid leukemia (AML), where increased phagocytosis is desirable.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 25, 2022
    Inventors: Siddhartha Jaiswal, Irving L. Weissman, Ravindra Majeti, Mark P. Chao
  • Patent number: 11419897
    Abstract: The present invention provides a clinically applicable method of stem cell transplantation that facilitates engraftment and reconstitutes immunocompetence of the recipient without requiring radiotherapy or chemotherapy, and without development of GVHD or graft rejection. Aspects of the present invention are based on the discovery that the depletion of the endogenous stem cell niche facilitates efficient engraftment of stem cells into that niche. In particular, the present invention combines the use of selective ablation of endogenous stem cells with a combination of antibodies specific for CD117, and agents that modulate immunoregulatory signaling pathways, e.g. agonists of immune costimulatory molecules, in combination with the administration to the recipient of exogenous stem cells, resulting in efficient, long-term engraftment, even in immunocompetent recipients.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: August 23, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Judith A. Shizuru, Irving L. Weissman, Kipp Andrew Weiskopf, Aaron Michael Ring, Akanksha Chhabra, Peter Schnorr
  • Publication number: 20220251199
    Abstract: Methods are provided for treating a subject with a therapeutic dose of anti-CD47 agent by administering a primer agent prior to administering a therapeutically effective dose of an anti-CD47 agent to the subject.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 11, 2022
    Inventors: Stephen Willingham, Maureen Howard, Jie Liu, Ravindra Majeti, Susan Sweeney Prohaska, Anne K. Volkmer, Jens-Peter Volkmer, Irving L. Weissman
  • Publication number: 20220235131
    Abstract: Methods are provided for treating a subject for an infection by a pathogen expressing a CD47-like mimic protein on its surface.
    Type: Application
    Filed: June 16, 2020
    Publication date: July 28, 2022
    Inventors: Michal Caspi Tal, Irving L. Weissman, Laughing Bear Torrez Dulgeroff, Effie Bastounis, Efthymia Matthalou, Joe Hsu, Maxim Markovic, Maia Shoham, Balyn Wood Zaro, Tal Bachar Raveh
  • Publication number: 20220218753
    Abstract: GABRR1 is shown to be expressed on subsets of hematopoietic stem cells (HSCs) and megakaryocyte progenitors (MkPs). Inhibition of GABRR1 inhibits MkP differentiation and reduction of platelet numbers in blood. Overexpression of GABRR1 or treatment with agonists significantly promotes MkP generation and growth of megakaryocytes.
    Type: Application
    Filed: May 11, 2020
    Publication date: July 14, 2022
    Inventors: Fangfang Zhu, Irving L. Weissman
  • Patent number: 11377495
    Abstract: Markers of acute myeloid leukemia stem cells (AMLSC) are identified. The markers are differentially expressed in comparison with normal counterpart cells, and are useful as diagnostic and therapeutic targets.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 5, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Ravindra Majeti, Irving L. Weissman, Siddhartha Jaiswal, Mark P. Chao
  • Patent number: 11369641
    Abstract: Methods, compositions, and kits for producing functional blood vessels, and progenitors thereof are provided. Human disorders of the vascular system are treated by reconstitution of functional vessels in vivo through co-transplantation with supporting niche stromal cells for treatment of ischemic injury in the peripheral limbs and heart. The cell populations of the invention, when engrafted into a recipient, anastomose with host vasculature and regenerate functional blood vessels.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: June 28, 2022
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Charles K. F. Chan, Andrew Stephen Lee, Michael T. Longaker, Irving L. Weissman, Joseph Wu, Divya Nag, Eun Young Seo
  • Publication number: 20220125920
    Abstract: An effective combined dose of an anti-CD47 agent and an anti-TNF? agent is administered to the subject in a dose and for a period of time effective to stabilize, prevent or reduce atherosclerotic plaque in the individual.
    Type: Application
    Filed: January 13, 2022
    Publication date: April 28, 2022
    Inventors: Nicholas J. Leeper, Irving L. Weissman
  • Publication number: 20220119523
    Abstract: Methods are provided for treatment of cutaneous T cell lymphoma with an effective dose of an anti-CD47 agent, optionally combined an additional anti-cancer agent.
    Type: Application
    Filed: February 7, 2020
    Publication date: April 21, 2022
    Inventors: Irving L. Weissman, Kelly Marie Mckenna, Jens-Peter Volkmer, James Chen
  • Publication number: 20220120731
    Abstract: Prolonged exposure of CD8+ T cells to antigenic stimulation leads to a state of diminished function, termed exhaustion; during exhaustion there is a subset of functional CD8+ T cells defined by surface expression of SIRP(alpha) protein. On SIRP+ CD8+ T cells, expression of coinhibitmy receptors is counterbalanced by expression of co-stimulatory receptors and it is only these SIRP+ cells that actively proliferate, transcribe IFNg and show cytolytic activity. Therapeutic blockade of PD-L1 or other inhibitory receptors to reinvigorate exhausted CD8+ T cells expands the cytotoxic subset of SIRP+ CD8+ T cells.
    Type: Application
    Filed: January 30, 2020
    Publication date: April 21, 2022
    Inventors: Michal Caspi Tal, Lara Myers, Kim J. HasenKrug, Ying Ying Yiu, Irving L. Weissman