Patents by Inventor Jonathan Karn

Jonathan Karn 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: 11624095
    Abstract: A method of determining the latent HIV reservoir level in a subject includes obtaining a blood sample from an HIV+ subject, isolating CD4+ T cells from the biological sample, administering one or more HIV transcription inducing agents to the isolated CD4+ T cells, isolating RNA from the CD4+ T-cells that includes HIV env mRNA, producing a plurality of first amplicons from the from the isolated RNA using a first primer set that corresponds to an HIV genomic region encoding the HIV env protein, producing a plurality of second amplicons from the plurality of first amplicons using a second primer set, the second primer set including one or more adapter sequences and/or uniquely identifiable barcode sequences, and determining the nucleic acid sequences of the second amplicons, wherein the determined nucleic acid sequences in the sample are indicative of the amount of inducible cell-associated HIV env RNA in the sample and indicative of the latent HIV reservoir in the subject.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 11, 2023
    Assignee: CASE WESTERN RESERVE UNIVERSITY
    Inventors: Jonathan Karn, Miguel Quinones-Mateu, Curtis Dobrowolski
  • Publication number: 20190093182
    Abstract: A method of determining the latent HIV reservoir level in a subject includes obtaining a blood sample from an HIV+ subject, isolating CD4+ T cells from the biological sample, administering one or more HIV transcription inducing agents to the isolated CD4+ T cells, isolating RNA from the CD4+ T-cells that includes HIV env mRNA, producing a plurality of first amplicons from the from the isolated RNA using a first primer set that corresponds to an HIV genomic region encoding the HIV env protein, producing a plurality of second amplicons from the plurality of first amplicons using a second primer set, the second primer set including one or more adapter sequences and/or uniquely identifiable barcode sequences, and determining the nucleic acid sequences of the second amplicons, wherein the determined nucleic acid sequences in the sample are indicative of the amount of inducible cell-associated HIV env RNA in the sample and indicative of the latent HIV reservoir in the subject.
    Type: Application
    Filed: September 27, 2018
    Publication date: March 28, 2019
    Inventors: Jonathan Karn, Miguel Quinones-Mateu, Curtis Dombrowolski
  • Publication number: 20160143917
    Abstract: A pharmaceutical composition for inducing reactivation of latent provirus in an HIV infected cell includes an ESR-1 antagonist or an ESR-1 coactivator antagonist and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: July 29, 2014
    Publication date: May 26, 2016
    Inventors: Jonathan Karn, Biswajit Das
  • Patent number: 6946249
    Abstract: The present invention describes a novel nucleic acid sequencing reagent which consists of a capture moiety, a spacer region and a sequence specific hybridizing region of 4-8 bases. The nucleic acid sequencing reagent of the present invention can also contain an attachment moiety. The nucleic acid sequencing reagent can be arranged into a nested array. This array configuration can then be used to sequence a given template without prior knowledge (de novo) of the wild type or expected sequence in conjunction with primer extension in the presence of a labeled chain terminating nucleotide.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: September 20, 2005
    Assignee: Beckman Coulter, Inc.
    Inventors: Steven R. Head, Philip Goelet, Jonathan Karn, Michael Boyce-Jacino
  • Patent number: 6573045
    Abstract: The invention relates to a solution-based assay for identifying RNA binding compounds, based on competition. The assay comprises a reporter molecule carrying a fluorescent or chromogenic group that can form a one-to-one complex with an RNA target molecule carrying a second fluorescent or chromogenic group in such a way that the two groups are in sufficient proximity for fluorescence resonance energy transfer and/or quenching to take place. Addition of a compound-to-be-tested prevents formation of the complex and thereby increases the fluorescence of the RNA target and/or reporter molecules relative to the signal obtained in the absence of the test compound. The invention also provides for quantitative screening methods and kits are also included.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: June 3, 2003
    Assignee: Ribotargets, Ltd.
    Inventors: Jonathan Karn, Catherine Denise Prescott
  • Publication number: 20020146704
    Abstract: The present invention describes a novel nucleic acid sequencing reagent which consists of a capture moiety, a spacer region and a sequence specific hybridizing region of 4-8 bases. The nucleic acid sequencing reagent of the present invention can also contain an attachment moiety. The nucleic acid sequencing reagent can be arranged into a nested array. This array configuration can then be used to sequence a given template without prior knowledge (de novo) of the wild type or expected sequence in conjunction with primer extension in the presence of a labeled chain terminating nucleotide.
    Type: Application
    Filed: June 29, 2001
    Publication date: October 10, 2002
    Inventors: Steven R. Head, Philip Goelet, Jonathan Karn, Michael Boyce-Jacino
  • Publication number: 20020127543
    Abstract: The invention provides for compounds comprising nucleotide sequences 5′-P-N1-N2-G-N3-C-I-3′ and 3′-Q-N4-N5-N6-N7-N8-N9-Y-J-5′ that are the generic sequences of a mIRES of an HCV genome, and variants thereof The invention also provides assays that utilise the compounds of the invention, including assays for detection of HCV antiviral compounds.
    Type: Application
    Filed: December 22, 2000
    Publication date: September 12, 2002
    Inventors: Jonathan Karn, Stephen Walker
  • Patent number: 6395891
    Abstract: The invention relates to an isolated nucleic acid comprising two operatively linked binding sites for HIV Rev protein, the sites comprising a nucleation motif and an oligomerization motif, wherein the nucleic acid binds Rev protein monomers with a higher degree of cooperativity than wild-type RRE.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: May 28, 2002
    Assignee: RiboTargets Limited
    Inventors: Jonathan Karn, Rodney Warren Zemmel, Peter Jonathan Gasking Butler, Roger K. Craig, Alistair Simpson Irvine
  • Patent number: 6337188
    Abstract: The present invention describes a novel nucleic acid sequencing reagent which consists of a capture moiety, a spacer region and a sequence specific hybridizing region of 4-8 bases. The nucleic acid sequencing reagent of the present invention can also contain an attachment moiety. The nucleic acid sequencing reagent can be arranged into a nested array. This array configuration can then be used to sequence a given template without prior knowledge (de novo) of the wild type or expected sequence in conjunction with primer extension in the presence of a labeled chain terminating nucleotide.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: January 8, 2002
    Assignee: Orchid BioSciences, Inc.
    Inventors: Steven R. Head, Philip Goelet, Jonathan Karn, Michael Boyce-Jacino
  • Patent number: 6322968
    Abstract: The present invention describes a novel nucleic acid sequencing reagent which consists of a capture moiety, a spacer region and a sequence specific hybridizing region of 4-8 bases. The nucleic acid sequencing reagent of the present invention can also contain an attachment moiety. The nucleic acid sequencing reagent can be arranged into a nested array. This array configuration can then be used to sequence a given template without prior knowledge (de novo) of the wild type or expected sequence in conjunction with primer extension in the presence of a labeled chain terminating nucleotide.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: November 27, 2001
    Assignee: Orchid BioSciences, Inc.
    Inventors: Steven R. Head, Philip Goelet, Jonathan Karn, Michael Boyce-Jacino
  • Patent number: 6316194
    Abstract: The invention provides a method for determining whether a test compound binds to a target RNA, the method comprising the steps of: (a) contacting the test compound with a pair of indicator molecules comprising an antimicrobial labelled with a donor group or an acceptor group and the target RNA labelled with a complementary acceptor or donor group, the pair being capable of binding to each other in an orientation that permits the donor group to come into sufficient proximity to the acceptor group to permit fluorescent resonance energy transfer and/or quenching to take place; and (b) measuring the fluorescence of the target RNA and/or the antimicrobial in the presence of the test compound and comparing this value to the fluorescence of a standard.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: November 13, 2001
    Assignee: Ribotargets
    Inventors: Jonathan Karn, David Justin Charles Knowles, Alastair Iain Hamilton Murchie, Georg Friedrich Lentzen
  • Patent number: 6225045
    Abstract: The invention relates to an isolated nucleic acid comprising two operatively linked binding sites for HIV Rev protein, the sites comprising a nucleation motif and an oligomerization motif, wherein the nucleic acid binds Rev protein monomers with a higher degree of co-operativity than wild-type RRE.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: May 1, 2001
    Assignee: Ribotargets, Ltd.
    Inventors: Jonathan Karn, Rodney Warren Zemmel, Peter Jonathan Gasking Butler, Roger K. Craig, Alistair Simpson Irvine
  • Patent number: 6153382
    Abstract: A synthetic molecule comprises at least one oligonucleotide comprising an RNA binding sequence or sequences corresponding to the site bound by the HIV protein rev and capable of binding ot rev within cells. The binding sequence or sequences, by binding with rev within cells, can act to cause inhibition of growth of any HIV present in the cells, and so has potential therapeutic use in treatment of patients infected with HIV. The invention also provides an assay for identifying that inhibit rev binding.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: November 28, 2000
    Assignee: Ribotargets, Ltd.
    Inventors: Jonathan Karn, Michael John Gait, Shaun Heaphy, Colin Dingwall
  • Patent number: 6114109
    Abstract: A synthetic molecule comprises at least one oligonucleotide, comprising and RNA binding sequence or sequences corresponding to the site bound by the HIV protein tat and capable of binding to tat within cells. The binding sequence or sequences, by binding tat within cells, can act to cause inhibition of growth of any HIV present in the cells, and so has potential therapeutic use in treatment of patients affected with HIV. The invention also provides an assay for identifying compounds that inhibit tat binding.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: September 5, 2000
    Assignee: RiboTargets, Ltd.
    Inventors: Jonathan Karn, Michael J. Gait, Shaun Heaphy, Colin Dingwall
  • Patent number: 5952174
    Abstract: A method is provided for determining the identity of a nucleotide at a preselected site in a nucleic acid molecule. The method involves the incorporation of a nucleoside triphosphate that is complementary to the nucleotide present at the preselected site onto the terminus of a primer molecule, and their subsequent ligation to a second oligonucleotide. The reaction is monitored by detecting a specific label attached to the reaction's solid phase or by detection in solution.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: September 14, 1999
    Assignee: Orchid Biocomputer, Inc.
    Inventors: Theo Nikiforov, Jonathan Karn, Philip Goelet
  • Patent number: 5821046
    Abstract: A synthetic molecule comprising an RNA binding sequence or sequences corresponding to the site bound by the HIV protein tat and capable of binding to tat within cells. The binding sequence or sequences, by binding tat within cells, can act to cause inhibition of growth of any HIV present in the cells, and so has potential therapeutic use in treatment of patients affected with HIV. The invention also provides an assay for identifying compounds that inhibit tat binding.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: October 13, 1998
    Assignee: RiboTargets Holdings PLC
    Inventors: Jonathan Karn, Michael John Gait, Shaun Heaphy, Colin Dingwall
  • Patent number: 5786145
    Abstract: A synthetic molecule comprises at least one oligonucleotide comprising an RNA binding sequence or sequences corresponding to the site bound by the HIV protein rev and capable of binding to rev within cells. The binding sequence or sequences, by binding rev within cells, can act to cause inhibition of growth of any HIV present in the cells, and so has potential therapeutic use in treatment of patients infected with HIV. The invention also provides an assay for identifying compounds that inhibit rev binding.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: July 28, 1998
    Assignee: Medical Research Council
    Inventors: Jonathan Karn, Michael John Gait, Shaun Heaphy, Colin Dingwall
  • Patent number: 5679524
    Abstract: A method is provided for determining the identity of a nucleotide at a preselected site in a nucleic acid molecule. The method involves the incorporation of a nucleoside triphosphate that is complementary to the nucleotide present at the preselected site onto the terminus of a primer molecule, and their subsequent ligation to a second oligonucleotide. The reaction is monitored by detecting a specific label attached to the reaction's solid phase or by detection in solution.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: October 21, 1997
    Assignee: Molecular Tool, Inc.
    Inventors: Theo Nikiforov, Jonathan Karn, Philip Goelet