Patents Assigned to ProQR Therapeutics II B.V.
  • Publication number: 20240132890
    Abstract: The invention relates to nucleic acid molecules for pseudouridylation of a target uridine in a target RNA in a mammalian cell, wherein the nucleic acid molecule comprises a guide region capable of forming a partially double stranded nucleic acid complex with the target RNA comprising the target uridine, wherein the partially double stranded nucleic acid complex is capable of engaging a mammalian pseudouridylation enzyme, wherein the guide region assists in positioning the target uridine in the partially double stranded nucleic acid complex for it to be converted to a pseudouridine by the mammalian pseudouridylation enzyme.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 25, 2024
    Applicants: University of Rochester, ProQR Therapeutics II B.V.
    Inventors: Bart KLEIN, Janne Juha TURUNEN, Lenka VAN SINT FIET, Pedro Duarte Morais Fernandes Arantes DA SILVA, Julien Auguste Germain BOUDET, Yi-Tao YU, Hironori ADACHI, Meemanage De ZOYSA
  • Patent number: 11920132
    Abstract: Antisense oligonucleotides target the mutation in intron 26 of the CEP290 gene and reduce inclusion of the aberrant exon into the CEP290 mRNA. The oligonucleotides include no more than 3 consecutive guanosines, have no more than 60% guanosine nucleobases, include at most one CpG sequence, and/or do not have the potential to form a hairpin comprising 3 or more consecutive complementary base pairs.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: March 5, 2024
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Patricia Coromoto Biasutto, Hee Lam Chan
  • Patent number: 11866702
    Abstract: The invention relates to nucleic acid molecules for pseudouridylation of a target uridine in a target RNA in a mammalian cell, wherein the nucleic acid molecule comprises a guide region capable of forming a partially double stranded nucleic acid complex with the target RNA comprising the target uridine, wherein the partially double stranded nucleic acid complex is capable of engaging a mammalian pseudouridylation enzyme, wherein the guide region assists in positioning the target uridine in the partially double stranded nucleic acid complex for it to be converted to a pseudouridine by the mammalian pseudouridylation enzyme.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: January 9, 2024
    Assignees: University of Rochester, ProQR Therapeutics II B.V.
    Inventors: Bart Klein, Janne Juha Turunen, Lenka Van Sint Fiet, Pedro Duarte Morais Fernandes Arantes Da Silva, Julien Auguste Germain Boudet, Yi-Tao Yu, Hironori Adachi, Meemanage De Zoysa
  • Patent number: 11851656
    Abstract: The invention relates to antisense oligonucleotides that are capable of bringing about specific editing of a target nucleotide (adenosine) in a target RNA sequence in a eukaryotic cell, wherein said oligonucleotide does not, in itself, form an intramolecular hairpin or stem-loop structure, and wherein said oligonucleotide comprises a non-complementary nucleotide in a position opposite to the nucleotide to be edited in the target RNA sequence.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: December 26, 2023
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Janne Juha Turunen, Antti Aalto, Bart Klein, Lenka Van Sint Fiet, Julien Auguste Germain Boudet
  • Patent number: 11781134
    Abstract: RNA editing is achieved using oligonucleotide constructs comprising (i) a targeting portion specific for a target nucleic acid sequence to be edited and (ii) a recruiting portion capable of binding and recruiting a nucleic acid editing entity naturally present in the cell. The nucleic acid editing entity, such as ADAR, is redirected to a preselected target site by means of the targeting portion, thereby promoting editing of preselected nucleotide residues in a region of the target RNA which corresponds to the targeting portion.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: October 10, 2023
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Bart Klein, Gerardus Johannes Platenburg
  • Publication number: 20230279392
    Abstract: The invention relates to antisense oligonucleotide that are capable of bringing about specific editing of a target nucleotide (adenosine) in a target RNA in a eukaryotic cell, wherein said oligonucleotide does not, in itself, form an intramolecular hairpin or stem-loop structure, and wherein said oligonucleotide comprises a cytidine (a non-complementary nucleotide) or a uridine in a position opposite to the target adenosine to be edited in the target RNA region.
    Type: Application
    Filed: April 6, 2023
    Publication date: September 7, 2023
    Applicant: ProQR Therapeutics II B.V.
    Inventors: Janne Juha TURUNEN, Petra Geziena DE BRUIJN, Bart KLEIN, Roxana Simona REDIS, Lenka VAN SINT FIET
  • Patent number: 11649454
    Abstract: The invention relates to antisense oligonucleotides that are capable of bringing about specific editing of a target nucleotide (adenosine) in a target RNA in a eukaryotic cell, wherein said oligonucleotide does not, in itself, form an intramolecular hairpin or stem-loop structure, and wherein said oligonucleotide comprises a cytidine (a non-complementary nucleotide) or a uridine in a position opposite to the target adenosine to be edited in the target RNA region.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: May 16, 2023
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Janne Juha Turunen, Petra Geziena De Bruijn, Bart Klein, Roxana Simona Redis, Lenka Van Sint Fiet
  • Patent number: 11479771
    Abstract: The invention relates to the fields of medicine and immunology. In particular, it relates to novel antisense oligonucleotides (AONs) that may be used in the treatment, prevention and/or delay of Usher syndrome type II and/or USH2A-associated non syndromic retina degeneration.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: October 25, 2022
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Hester Catharina Van Diepen, Janne Juha Turunen, Hee Lam Chan
  • Patent number: 11274300
    Abstract: The invention relates to double stranded oligonucleotide complexes comprising an antisense oligonucleotide (AON) and a complementary sense oligonucleotide (SON), for use in the deamination of a target adenosine in a sense target RNA sequence in a cell by an ADAR enzyme, wherein at least the nucleotide in the AON that is directly opposite the target adenosine in the target RNA sequence does not have a 2?-O-alkyl modification and the SON comprises nucleotides that are at least complementary to all nucleotides in the AON that do not have a 2?-O-alkyl modification. The invention further relates to methods of RNA editing using the AON/SON complexes of the invention.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: March 15, 2022
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Antti Aalto, Janne Juha Turunen
  • Patent number: 11123360
    Abstract: The invention relates to the fields of medicine and immunology. In particular, it relates to novel antisense oligonucleotides that may be used in the treatment, prevention and/or delay of Usher Syndrome type II and/or USH2A-associated non syndromic retina degeneration, especially by skipping a pseudo exon (PE40) between exon 40 and 41 in the human USH2Agene.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: September 21, 2021
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Hester Catharina Van Diepen, Hee Lam Chan, Janne Juha Turunen
  • Publication number: 20210230590
    Abstract: The invention relates to editing oligonucleotides (EONs) that carry stereospecific phosphorothioate internucleotide linkage modifications at specified positions and that do not carry such modifications on positions that would lower RNA editing efficiency. The selection of positions that should or should not carry a phosphorothioate Rp and/or Sp configuration modification is based on computational modelling that revealed incompatibilities of the stereospecific linkages with the intermolecular oxygen-mediated hydrogen bond network.
    Type: Application
    Filed: May 13, 2019
    Publication date: July 29, 2021
    Applicant: ProQR Therapeutics II B.V.
    Inventor: Julien Auguste Germain Boudet
  • Patent number: 10988763
    Abstract: The invention relates to antisense oligonucleotides that are capable of bringing about specific editing of a target nucleotide (adenosine) in a target RNA in a eukaryotic cell, wherein said oligonucleotide does not, in itself, form an intramolecular hairpin or stem-loop structure, and wherein said oligonucleotide comprises a cytidine (a non-complementary nucleotide) or a uridine in position opposite to the target adenosine to be edited in the target RNA region.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 27, 2021
    Assignee: PROQR THERAPEUTICS II B.V.
    Inventors: Janne Juha Turunen, Petra Geziena De Bruijn, Bart Klein, Roxana Simona Redis, Lenka Van Sint Fiet
  • Patent number: 10941402
    Abstract: The invention relates to antisense oligonucleotides that are capable of bringing about specific editing of a target nucleotide (adenosine) in a target RNA sequence in a eukaryotic cell, wherein said oligonucleotide does not, in itself, form an intramolecular hairpin or stem-loop structure, and wherein said oligonucleotide comprises a non-complementary nucleotide in a position opposite to the nucleotide to be edited in the target RNA sequence.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: March 9, 2021
    Assignee: PROQR THERAPEUTICS II B.V.
    Inventors: Janne Juha Turunen, Antti Aalto, Bart Klein, Lenka Van Sint Fiet, Julien Auguste Germain Boudet
  • Patent number: 10900041
    Abstract: The invention relates to oligonucleotides suitable for use in treating human disease. More in particular the invention—relates to antisense oligonucleotides suitable for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 26, 2021
    Assignee: PROQR THERAPEUTICS II B.V.
    Inventors: Thomas Petrus Gerardus De Vlaam, Tsinatkeab Tadesse Hailu, Zhana Karneva
  • Patent number: 10889817
    Abstract: Antisense oligonucleotides target the mutation in intron 26 of the CEP290 gene and reduce inclusion of the aberrant exon into the CEP290 mRNA. The oligonucleotides include no more than 3 consecutive guanosines, have no more than 60% guanosine nucleobases, include at most one CpG sequence, and/or do not have the potential to form a hairpin comprising 3 or more consecutive complementary base pairs.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 12, 2021
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Patricia Coromoto Biasutto, Hee Lam Chan
  • Patent number: 10760076
    Abstract: The invention relates to antisense oligonucleotides (AONs) comprising repetitive trinucleotide units for use in the treatment or prevention of genetic eye diseases, preferably eye dystrophy disorders caused by RNA toxicity such as Fuch's Endothelial Corneal Dystrophy (FECD). The oligonucleotides of the present invention are used to target trinucleotide repeat (TNR) sequence expansions present in intron sequences, to prevent the disease-related sequestration of cellular proteins that interact with such TNR expansions.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: September 1, 2020
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Peter Adamson, Janne Juha Turunen, Gerardus Johannes Platenburg
  • Patent number: 10676737
    Abstract: RNA editing is achieved using oligonucleotide constructs comprising (i) a targeting portion specific for a target nucleic acid sequence to be edited and (ii) a recruiting portion capable of binding and recruiting a nucleic acid editing entity naturally present in the cell. The nucleic acid editing entity, such as ADAR, is redirected to a preselected target site by means of the targeting portion, thereby promoting editing of preselected nucleotide residues in a region of the target RNA which corresponds to the targeting portion.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: June 9, 2020
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Bart Klein, Gerardus Johannes Platenburg
  • Patent number: 10617707
    Abstract: The invention relates to the fields of medicine and immunology. In particular, it relates to novel antisense oligonucleotides that may be used in the treatment, prevention and/or delay of Usher Syndrome type II and/or USH2A-associated non syndromic retina degeneration, especially by skipping a pseudo exon (PE40) between exon 40 and 41 in the human USH2A gene.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: April 14, 2020
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Hester Catharina Van Diepen, Hee Lam Chan, Janne Juha Turunen
  • Patent number: 10612025
    Abstract: The invention relates to the fields of medicine and immunology. In particular, it relates to novel antisense oligonucleotides (AONs) that may be used in the treatment, prevention and/or delay of Usher syndrome type II and/or USH2A-associated non syndromic retina degeneration.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: April 7, 2020
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Hester Catharina Van Diepen, Janne Juha Turunen, Hee Lam Chan
  • Patent number: 10421963
    Abstract: Antisense oligonucleotides target the mutation in intron 26 of the CEP290 gene and reduce inclusion of the aberrant exon into the CEP290 mRNA. The oligonucleotides include no more than 3 consecutive guanosines, have no more than 60% guanosine nucleobases, include at most one CpG sequence, and/or do not have the potential to form a hairpin comprising 3 or more consecutive complementary base pairs.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: September 24, 2019
    Assignee: ProQR Therapeutics II B.V.
    Inventors: Patricia Coromoto Biasutto, Hee Lam Chan