Patents by Inventor Lieven Stuyver
Lieven Stuyver 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).
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Publication number: 20030064360Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3: and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spacing positions 8023 to 8235 of the NS5 region of the BR36 subgroup of HCV type 3a; and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated regions, or the complement thereof.Type: ApplicationFiled: June 5, 2001Publication date: April 3, 2003Applicant: N.V. INNOGENETICS S.A.Inventors: Geert Maertens, Lieven Stuyver
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Publication number: 20030054339Abstract: The present invention relates to a method for the rapid, reliable and precise detection of drug-induced mutations in the reverse transcriptase gene allowing the simultaneous characterization of a range of codons involved in drug resistance using specific sets of probes optimized to function together in a reverse-hybridization assay. More particularly, the present invention relates to the genetic detection of the following mutations in the HIV RT gene: K103N/R, V106A/I/L, Q151M/L, Y181C/I, M184V/I, Y188L, G190A/S/R and/or T215Y/F/D/S/A. The present invention also relates to probes and primers for such detection, to a diagnostic kit and a LiPA assay. The present invention further relates to HIV RT sequences comprising previously unknown polymorphisms.Type: ApplicationFiled: January 10, 2002Publication date: March 20, 2003Inventors: Koenraad De Smet, Lieven Stuyver
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Publication number: 20030036053Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of:Type: ApplicationFiled: July 6, 2001Publication date: February 20, 2003Applicant: Innogenetics N.V.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Publication number: 20030032005Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3; and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spanning positions 8 023 to 8 235 of the NS5 region of the BR36 subgroup of HCV type 3a; and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated region, or the complement thereof.Type: ApplicationFiled: June 12, 2001Publication date: February 13, 2003Applicant: INNOGENETICS S.A.Inventors: Geert Maerterns, Lieven Stuyver
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Publication number: 20030008274Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3; and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spanning positions 8 023 to 8 235 of the NS5 region of the BR36 subgroup of HCV type 3a and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated regions, or the complement thereof.Type: ApplicationFiled: July 6, 2001Publication date: January 9, 2003Applicant: N.V. Innogenetics S.A.Inventors: Geert Maertens, Lieven Stuyver
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Patent number: 6495670Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of: contacting said sample in which the ribonucleotides or deoxyribonucleotides have been made accessible, if need be, under suitable denaturation, with at least one probe from about 10 to about 40 nucleotides, with said probe being liable to hybridize to a region being in the domain extending from nucleotide at position −291 to nucleotide at position −66 of the 5′ untranslated region of one of the HCV isolates represented by their cDNA sequences, with said numbering of position beginning with the first ATG codon of the open reading frame encoding the HCV polyprotein, or with said probe being complementary to the above-defined probes, detecting the complexes possibly formed between said probe and the nucleotide sequence of the HCV iType: GrantFiled: August 23, 1999Date of Patent: December 17, 2002Assignee: Innogenetics, N.V.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Publication number: 20020183508Abstract: The present invention relates to new genomic nucleotide sequences and amino acid sequences corresponding to the coding region of these genomes. The invention relates to new HCV types and subtypes sequences which are different from the known HCV types and subtypes. More particularly, the present invention relates to new HCV type 7 sequences, new HCV type 9 sequences, new HCV type 10 and new HCV type 11 sequences. Also, the present invention relates to new HCV type 1 sequences of subtypes 1d, 1e, 1f and 1g; new HCV type 2 sequences of subtypes 2e, 2f, 2g, 2h, 2I, 2k and 2l; new HCV type 3 sequences of subtype 3g, new HCV type 4 sequences of subtypes 4k, 4l and 4m; a process for preparing them, and their use for diagnosis, prophylaxis and therapy. More particularly, the present invention provides new type-specific sequences of the Core, the E1 and the NS5 regions of new HCV types 7, 9, 10 and 11, as well as of new variants (subtypes) of HCV types 1, 2, 3 and 4.Type: ApplicationFiled: May 9, 2001Publication date: December 5, 2002Applicant: Innogenetics N.V.Inventors: Geert Maertens, Lieven Stuyver
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Publication number: 20020168626Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of:Type: ApplicationFiled: July 6, 2001Publication date: November 14, 2002Applicant: Innogenetics N.V.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Publication number: 20020106638Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of:Type: ApplicationFiled: July 6, 2001Publication date: August 8, 2002Applicant: Innogenetics N.V.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Patent number: 6180768Abstract: The present invention relates to new genomic nucleotide sequences and amino acid sequences corresponding to the coding region of these genomes. The invention relates to new HCV types and subtypes sequences which are different from the known HCV types and subtypes sequences. More particularly, the present invention relates to new HCV type 7 sequences, new HCV type 9 sequences, new HCV type 10 and new HCV type 11 sequences. Also, the present invention relates to new HCV type 1 sequences of subtypes 1d, 1e, 1f and 1g; new HCV type 2 sequences of subtypes 2e, 2f, 2g, 2h, 2i, 2k and 2l; new HCV type 3 sequences of subtype 3g, new HCV type 4 sequences of subtypes 4k, 4l and 4m; a process for preparing them, and their use for diagnosis, prophylaxis and therapy. More particularly, the present invention provides new type-specific sequences of the Core, the E1 and NS5 regions of new HCV types 7, 9, 10 and 11, as well as of new variants (subtypes) of HCV types 1, 2, 3 and 4.Type: GrantFiled: April 21, 1997Date of Patent: January 30, 2001Assignee: Innogenetics N.V.Inventors: Geert Maertens, Lieven Stuyver
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Patent number: 6171784Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of: contacting said sample in which the ribonucleotides or deoxyribonucleotides have been made accessible, if need be, under suitable denaturation, with at least one probe from about 10 to about 40 nucleotides, with said probe being liable to hybridize to a region being in the domain extending from nucleotide at position −291 to nucleotide at position −66 of the 5′ untranslated region of one of the HCV isolates represented by their cDNA sequences, with said numbering of position beginning with the first ATG codon of the open reading frame encoding the HCV polyprotein, or with said probe being complementary to the above-defined probes, detecting the complexes possibly formed between said probe and the nucleotide sequence of the HCV iType: GrantFiled: March 10, 1998Date of Patent: January 9, 2001Assignee: N.V. Innogenetics S.A.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Patent number: 6051696Abstract: The invention relates to a process for genotyping any HCV isolate present in a biological sample, previously identified as being HCV positive, and for classifying said isolate according to the percentage of homology with other HCV isolates, comprising the steps of:contacting said sample in which the ribonucleotides or deoxyribonucleotides have been made accessible, if need be, under suitable denaturation, with at least one probe from about 10 to about 40 nucleotides, with said probe being liable to hybridize to a region being in the domain extending from nucleotide at position -291 to nucleotide at position -66 of the 5' untranslated region of one of the HCV isolates represented by their cDNA sequences, with said numbering of position beginning with the first ATG codon of the open reading frame encoding the HCV polyprotein, br with said probe being complementary to the above-defined probes,detecting the complexes possibly formed between said probe and the nucleotide sequence of the HCV isolate to be identifieType: GrantFiled: March 19, 1998Date of Patent: April 18, 2000Assignee: N.V. Innogenetics S.A.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn
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Patent number: 5846704Abstract: A method of genotyping of HCV isolates using probes targeting sequences from the 5- untranslated region of HCV.Type: GrantFiled: July 18, 1994Date of Patent: December 8, 1998Assignee: N.V. Innogenetics S.A.Inventors: Geert Maertens, Lieven Stuyver, Rudi Rossau, Hugo Van Heuverswyn