Patents by Inventor Johan Karl

Johan Karl 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: 11899024
    Abstract: The invention relates generally to a process for isolating subpopulations of EVs to identify biomarkers useful identifying, determining the progression of, and/or prognosing a disease, including a neurological disease. More particularly, the present invention relates to detection technology of various exosomal biomarkers including proteins, protein modifications, sugars, RNA, DNA, lipids, and metabolites, and combinations thereof.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: February 13, 2024
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Mia Sher, Erez Eitan, Christine Coticchia, Johan Karl Olov Skog, Robert Kitchen, Seth Yu
  • Patent number: 11891664
    Abstract: The invention relates generally to the use of microvesicle biomarkers such as nucleic acids, including nucleic acid signatures, and/or proteins for assessing a kidney transplant rejection in a patient. The invention further relates to assessing, and/or to monitoring kidney transplant rejection in patients who have received a renal transplant.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: February 6, 2024
    Assignees: Exosome Diagnostics, Inc., The Brigham and Women's Hospital
    Inventors: James Hurley, Christine Coticchia, Robert Kitchen, Vasisht Tadigotla, Johan Karl Olov Skog, Jamil Azzi
  • Publication number: 20220412971
    Abstract: The present disclosure relates to compositions, methods and kits for the isolation of extracellular vesicles. The compositions, methods and kits can comprise a high-density liquid reagent that facilitates the sequestration of extracellular vesicles bound to magnetic beads.
    Type: Application
    Filed: September 18, 2020
    Publication date: December 29, 2022
    Inventors: Johan Karl Olov SKOG, Olubode A. OGUNLUSI, Robert Raymond KITCHEN, Douglas ROBERTS, Wei YU
  • Patent number: 11519036
    Abstract: The invention concerns gene signatures obtained from microvesicles and a method of applying these gene signatures in helping to determine a biological condition. The determination of a biological condition may aid, for example, the diagnosis, prognosis, and therapy treatment selection for disease in a subject.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 6, 2022
    Assignee: THE GENERAL HOSPITAL CORPORATION
    Inventors: Mikkel Noerholm, Johan Karl Olov Skog, Xandra O. Breakefield, Bob Carter
  • Patent number: 11427864
    Abstract: The present invention relates generally to methods and kits for detecting one or more biomarkers, such as an Epidermal Growth Factor Receptor (EGFR) mutation, e.g., T790M mutation, L858R mutation, one or more exon19 insertions and/or one or more exon19 deletions in the EGFR gene, in a biological sample to aid in diagnosis, prognosis, monitoring, or therapy selection for a disease such as, for example, cancer. The methods and kits are useful in aiding in diagnosis, prognosis, monitoring, or therapy selection for lung cancer, e.g., non-small cell lung cancer (NSCLC).
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 30, 2022
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Johan Karl Olov Skog, Elena Castellanos-Rizaldos, Vasisht Tadigotla, Dominik Grimm, Xuan Zhang, Wei Yu
  • Patent number: 11407991
    Abstract: Methods for extracting high quality nucleic acids from a heterogenous collection of nucleic acid-containing materials from a biological sample are disclosed. The heterogenous collection of nucleic-acid containing materials may contain cells or microvesicles, or both. The extractions obtained by the methods described herein are characterized by high yield and high integrity, making the extracted nucleic acids useful for various applications in which high quality nucleic acid extractions are preferred, e.g., a diagnosis, prognosis, or therapy evaluation for a medical condition.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: August 9, 2022
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Wayne Comper, Leileata M. Russo, Johan Karl Olov Skog
  • Publication number: 20220162704
    Abstract: Methods for preparing microRNAs from microvesicles isolated from a biological sample from a subject, and preparation of DNA from microvesicle microRNA preparations.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 26, 2022
    Inventors: Xandra O. BREAKEFIELD, Johan Karl Olov SKOG, Dennis BROWN, Kevin C. MIRANDA, Leileata M. RUSSO
  • Publication number: 20220112555
    Abstract: The invention relates generally to the use of microvesicle RNA signatures for diagnosis, predicting, and/or to monitor treatment efficacy, including patients who are candidates for renal transplant and/or who have received a renal transplant.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 14, 2022
    Inventors: Johan Karl Olov SKOG, Jamil AZZI
  • Patent number: 11268085
    Abstract: The invention provides novel methods and kits for isolating nucleic acids from biological samples, including cell-free DNA and/or cell-free DNA and nucleic acids including at least RNA from microvesicles, and for extracting nucleic acids from the microvesicles and/or from the biological samples.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: March 8, 2022
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Johan Karl Olov Skog, Daniel Enderle, Aparna Ramachandran, Haoheng Yan, Emily Berghoff, Tai-Fen Wei, Mikkel Noerholm
  • Patent number: 11214833
    Abstract: The invention relates generally to the use of microvesicle RNA signatures for diagnosis, predicting, and/or to monitor treatment efficacy, including patients who are candidates for renal transplant and/or who have received a renal transplant.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: January 4, 2022
    Assignees: Exosome Diagnostics, Inc., The Brigham and Women's Hospital
    Inventors: Johan Karl Olov Skog, Jamil Azzi
  • Publication number: 20210403881
    Abstract: The present disclosure provides compositions, methods and kits for internal controls of microvesicle isolations. The compositions, methods and kits can comprise enveloped viruses, including, but not limited to, inactive mouse hepatitis virus (MHV).
    Type: Application
    Filed: November 20, 2019
    Publication date: December 30, 2021
    Inventors: Georg STOLL, Daniel ENDERLE, Mikkel NOERHOLM, Johan Karl Olov SKOG
  • Publication number: 20210388453
    Abstract: The present invention features a method and kit for isolating microvesicles or extracting microvesicle nucleic acids from a biological sample by using a control particle. The present invention provides control particles that are viruses or virus-like particles, such as bacteriophages, that contain control nucleic acids that can be detected to assess the accuracy, reliability, and efficiency of the microvesicle isolation or nucleic acid extraction steps. The methods described herein may further comprise the analysis of the presence, absence, or level of at least one biomarker associated with a disease or medical condition for diagnosing, prognosing, or monitoring the disease or medical condition.
    Type: Application
    Filed: August 25, 2021
    Publication date: December 16, 2021
    Inventors: Mikkel NOERHOLM, Susan BELZER, Charlotte ROMAIN, Johan Karl Olov SKOG, Leileata M. RUSSO, Wayne COMPER
  • Patent number: 11155874
    Abstract: Microvesicles are small membrane vesicles that either shed or bud off eukarotic cells. Analysis of the nucleic acid content of microvesicles may be useful in detecting the presence or absence of genetic aberrations. This invention discloses novel methods of diagnosing, prognosing, monitoring, or treating a disease, such as cancer, or other medical condition in a subject involving analyzing one or more nucleic acids contained within an isolated microvesicle for the presence or absence of one or more Kras genetic aberrations.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: October 26, 2021
    Assignee: THE GENERAL HOSPITAL CORPORATION
    Inventors: Johan Karl Olov Skog, Xandra O. Breakefield
  • Patent number: 11136627
    Abstract: The present invention features a method and kit for isolating microvesicles or extracting microvesicle nucleic acids from a biological sample by using a control particle. The present invention provides control particles that are viruses or virus-like particles, such as bacteriophages, that contain control nucleic acids that can be detected to assess the accuracy, reliability, and efficiency of the microvesicle isolation or nucleic acid extraction steps. The methods described herein may further comprise the analysis of the presence, absence, or level of at least one biomarker associated with a disease or medical condition for diagnosing, prognosing, or monitoring the disease or medical condition.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: October 5, 2021
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Mikkel Noerholm, Susan Belzer, Charlotte Romain, Johan Karl Olov Skog, Leileata M. Russo, Wayne Comper
  • Publication number: 20210238582
    Abstract: The invention provides novel methods and kits for fully automated high-throughput method for isolation of extracellular vesicles and co-isolation of cell-free DNA from biofluids, including cell-free DNA and/or cell-free DNA and nucleic acids including at least RNA from microvesicles, novel methods and kits for isolation of extracellular vesicles and co-isolation of cell-free DNA from biofluids, including cell-free DNA and/or cell-free DNA and nucleic acids including at least RNA from microvesicles that do not require the use of phenol or chloroform, and for extracting nucleic acids from the extracellular vesicles and/or from the biological samples.
    Type: Application
    Filed: October 19, 2020
    Publication date: August 5, 2021
    Inventors: Georg STOLL, Daniel ENDERLE, Mikkel NOERHOLM, Johan Karl Olov SKOG
  • Publication number: 20210207124
    Abstract: A method for extracting nucleic acids from a biological sample by isolating nucleic acid-containing particles from the biological sample by one or more centrifugation procedures, performing one or more steps to mitigate adverse factors that prevent or might prevent high quality nucleic acid extraction, and extracting nucleic acids from the isolated particles. The centrifugation procedures are performed at a speed not exceeding about 200,000 g. The extracted nucleic acids contain both 18S and 28S rRNA.
    Type: Application
    Filed: March 24, 2021
    Publication date: July 8, 2021
    Inventors: Johan Karl Olov SKOG, Leileata M. RUSSO
  • Publication number: 20210171934
    Abstract: The invention provides novel methods for isolating microvesicles from a biological sample and for extracting nucleic acids from the microvesicles.
    Type: Application
    Filed: June 5, 2020
    Publication date: June 10, 2021
    Inventors: Daniel ENDERLE, Aparna RAMACHANDRAN, Haoheng YAN, Emily BERGHOFF, Tai-Fen WEI, Mikkel NOERHOLM, Johan Karl Olov SKOG
  • Patent number: 10988755
    Abstract: A method for extracting nucleic acids from a biological sample by isolating nucleic acid-containing particles from the biological sample by one or more centrifugation procedures, performing one or more steps to mitigate adverse factors that prevent or might prevent high quality nucleic acid extraction, and extracting nucleic acids from the isolated particles. The centrifugation procedures are performed at a speed not exceeding about 200,000 g. The extracted nucleic acids contain both 18S and 28S rRNA.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: April 27, 2021
    Assignee: Exosome Diagnostics, Inc.
    Inventors: Johan Karl Olov Skog, Leileata M. Russo
  • Publication number: 20210040499
    Abstract: Disclosed herein are populations of microvesicles containing or otherwise associated with viral particles, methods of producing these purified populations, and methods of using these purified populations in a variety of diagnostic, therapeutic and/or prophylactic indications.
    Type: Application
    Filed: June 23, 2020
    Publication date: February 11, 2021
    Applicant: THE GENERAL HOSPITAL CORPORATION d/b/a Massachusetts General Hospital
    Inventors: Johan Karl Olov Skog, Casey Maguire
  • Publication number: 20200399714
    Abstract: Disclosed herein are methods for assaying a biological sample from a subject by analyzing components of microvesicle fractions in aid of risk, diagnosis, prognosis or monitoring of, or directing treatment of the subject for, a disease or other medical condition in the subject. Also disclosed are methods of treatment and identifying biomarkers using a microvesicle fraction of a subject. Kits, pharmaceutical compositions, and profiles related to the methods are also disclosed.
    Type: Application
    Filed: September 8, 2020
    Publication date: December 24, 2020
    Applicant: THE GENERAL HOSPITAL CORPORATION
    Inventors: Johan Karl Olov SKOG, Leonora BALAJ, Mikkel NOERHOLM, Xandra BREAKEFIELD