Detection of nucleic acids from multiple types of human papillomaviruses
View Patent ↗Nucleic acid oligonucleotide sequences are disclosed which include amplification oligomers and probe oligomers which are useful for detecting multiple types of human papillomaviruses (HPV) associated with cervical cancer. Methods for detecting multiple HPV types in biological specimens by amplifying HPV nucleic acid sequences in vitro and detecting the amplified products are disclosed.
1. A mixture of oligomers for detecting human papillomavirus (HPV) nucleic acid made up of amplification oligomers made up of first amplification oligomers of SEQ ID Nos. 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36, sequences completely complementary to SEQ ID Nos. 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36, or RNA equivalents of SEQ ID Nos. 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36 and second amplification oligomers of SEQ ID Nos. 38, 39, 40 and 41, sequences completely complementary to SEQ ID Nos. 38, 39, 40 and 41, or RNA equivalents of SEQ ID Nos. 38, 39, 40 and 41.
2. The mixture of oligomers of claim 1 , in which one or more individual oligomers comprises at least one 2′-methoxy RNA group, at least one 2′fluoro-substituted RNA group, at least one peptide nucleic acid linkage, at least one phosphorothjoate linkage, at least one methyiphosphonate linkage or any combination thereof.
3. The mixture of oligomers of claim 1 contained in a kit.
4. The mixture of oligomers of claim 1 , which are combined with:
a mixture of probe oligomers consisting of SEQ ID Nos. 11 to 17, sequences completely complementary to SEQ ID Nos. 11 to 17, or RNA equivalents of SEQ ID Nos. 11 to 17;
a mixture of probe oligomers consisting of SEQ ID Nos. 11 to 15 and 17, sequences completely complementary to SEQ ID Nos. 11 to 15 and 17, or RNA equivalents of SEQ ID Nos. 11 to 15 and 17;
a mixture of probe oligomers consisting of SEQ ID Nos. 11 to 15 and 17 and an oligomer consisting of any one of SEQ ID Nos. 44 to 54 and 58, sequences completely complementary to SEQ ID Nos. 11 to 15 and 17 and any one of SEQ ID Nos. 44 to 54 and 58, or RNA equivalents of SEQ ID Nos. 11 to 15 and 17 and any one of SEQ ID Nos. 44 to 54 and 58; or
a mixture of probe oligomers consisting of SEQ ID Nos. 11, 12, 14, 15, 17, 44, 45 and 52, sequences completely complementary to SEQ ID Nos. 11, 12, 14, 15, 17, 44, 45 and 52, or RNA equivalents of SEQ ID Nos. 11, 12, 14, 15, 17, 44, 45 and 52.
5. The mixture of oligomers of claim 4 , wherein each probe oligomer sequence includes a label joined directly or indirectly to the oligomer.
6. The mixture of oligomers of claim 4 , wherein each probe oligomer sequence includes a label that is a chemiluminescent compound.
7. The mixture of oligomers of claim 4 , wherein each probe oligomer sequence comprises at least one 2′-methoxy RNA group.
8. The mixture of oligomers of claim 4 contained in a kit.
9. The mixture of oligomers of claim 1 , which are combined with;
at least two oligomers selected from SEQ ID Nos. 2, 4, 6, 8 and 10 , sequences completely complementary to SEQ ID Nos. 2, 4, 6 and 10, or RNA equivalents of SEQ ID Nos. 2, 4, 6 and 10, with a ligand moiety joined to each oligomer;
oligomers of SEQ ID Nos. 2, 4, 6, 8 and 10, sequences completely complementary to SEQ ID Nos. 2, 4, 6 and 10, or RNA equivalents of SEQ ID Nos. 2, 4, 6 and 10, with a ligand moiety joined to each oligomer;
at least two oligomers selected from SEQ ID Nos. 1, 3, 5, 7 and 9, sequences completely complementary to SEQ ID Nos. 1, 3, 5, 7 and 9, or RNA equivalents of SEQ ID Nos. 1, 3, 5, 7 and 9; or
oligomers of SEQ ID Nos. 1, 3, 5, 7 and 9, sequences completely complementary to SEQ ID Nos. 1, 3, 5, 7 and 9, or RNA equivalents of SEQ ID Nos. 1, 3, 5, 7 and 9.
10. The oligomers of claim 9 , wherein at least one oligomer comprises at least one 2′-methoxy RNA group, at least one 2′ fluoro-substituted RNA group, at least one peptide nucleic acid linkage, at least one phosphorothioate linkage, or at least one methylphosphonate linkage.
11. The oligomers of claim 9 which are contained in a kit.
12. A method of detecting human papillomavirus (HPV) nucleic acid present in a biological sample, comprising the steps of:
contacting nucleic acid in a biological sample containing RNA of at least one of HPV types 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59 and 68 with amixture of amplification oligomers that amplify a HPV sequence in an E6/E7 target region sequence, in which the mixture is made up of first amplification oligomers consisting of SEQ ID Nos. 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36, and second amplification oligomers consisting of SEQ ID Nos. 38, 39, 40 and 41, or completely complementary oligomer sequences or RNA equivalents of the first and second amplification oligomer sequences;
amplifying a HPV sequence from the target region sequence in at least one HPV type by using the amplifcation oligomers and a nucleic acid polymerase in vitro to produce an HPV amplified product; and
detecting the amplified product by using a detection probe oligomer that is sufficiently complementary to hybridize specifically with the HPV amplified product to indicate the presence in the sample oat least one of HPV types 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58,59 and 68.
13. The method of claim 12 , further comprising a step of separating RNA of at least one of HPV types 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59 and 68 from other components in the sample by contacting HPV RNA in the sample with a capture oligomer and separating a complex that includes the capture oligomer and HPV RNA from other components in the sample before the amplifying step.
14. The method of claim 13 , wherein the capture oligomer is present in a mixture of capture oligomers made up of at least two oligomers in which individual oligomer sequences are selected from the group consisting of SEQ ID Nos. 1 to 10, which includes the complementary oligomer sequences or RNA equivalents of the specified sequences.
15. The method of claim 13 , wherein the capture oligomer is present in a mixture of capture oligomers made up of:
at least two oligomers selected from SEQ ID Nos. 2, 4, 6, 8 and 10 with a ligand moiety joined to each oligomer;
oligomers of SEQ ID Nos. 2, 4, 6, 8 and 10 with a ligand moiety joined to each oligomer;
at least two oligomers selected from SEQ ID Nos. 1, 3, 5, 7 and 9; or oligomers of SEQ ID Nos. 1, 3, 5, 7 and 9.
16. The method of claim 12 , wherein the amplifying step uses an amplification process that is substantially isothermal.
17. The method of claim 12 , wherein the amplifying step uses a transcription-associated amplification method.
18. The method of claim 12 , wherein the detecting step uses a mixture of probe oligomers in which at least one probe oligomer binds specifically to the HPV amplified product and results in a signal to indicate the presence in the sample of at least one of the HPV types.
19. The method of claim 18 , wherein the detecting step uses a mixture of probe oligomers made up of:
SEQ ID Nos. 11 to 17, or complementary oligomer sequences or RNA equivalents of the oligomer sequences;
SEQ ID Nos. 11 to 15 and 17, or complementary oligomer sequences or RNA equivalents of the oligomer sequences;
SEQ ID Nos. 11 to 15 and 17 and at least one oligomer of SEQ ID NO:44 to SEQ ID NO:54 and SEQ ID NO:58, or complementary oligomer sequences or RNA equivalents of the oligomer sequences; or SEQ ID Nos. 11, 12, 14, 15, 17, 44, 45 and 52, or complementary oligomer sequences or RNA equivalents of the oligomer sequences.
20. The method of claim 12 , wherein
the contacting step further includes introducing a non-HPV internal control sequence into the sample,
the amplifying step further includes amplifying the non-HPV internal control sequence to produce an amplified internal control sequence, and
the detecting step further includes detecting the amplified internal control sequence to produce a signal that indicates that the method steps have been performed appropriately.