Analysis methods
First Claim
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1. A method for identifying a novel mutation associated with a disease, the method comprising:
- obtaining nucleic acid from a subject having a disease;
sequencing the nucleic acid to obtain a sequence of the nucleic acid; and
using a computer system comprising a processor coupled to a memory for;
comparing the sequence of the nucleic acid from the subject to a reference sequence, thereby determining the presence of at least one spatially ambiguous mutation in the nucleic acid;
comparing the spatially ambiguous mutation to a database of mutations known to be associated with the disease, wherein mutations that do not match to the database are identified as novel mutations;
calculating an equivalent insertion/deletion region for the spatially ambiguous mutation;
annotating the spatially ambiguous mutation with functional information;
retrieving an extreme lower position and an extreme upper position of the equivalent insertion/deletion region for the spatially ambiguous mutation; and
choosing one of the extreme lower position and the extreme upper position of the equivalent insertion/deletion region for the spatially ambiguous mutation that is outside of a functional region, wherein said spatially ambiguous mutation is not causative of the disease.
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Abstract
The invention generally relates to methods for analyzing nucleic acids to identify novel mutations associated with diseases. In certain embodiments, methods of the invention involve obtaining nucleic acid from a subject having a disease, identifying at least one mutation in the nucleic acid, and comparing the mutation to a database of mutations known to be associated with the disease, wherein mutations that do not match to the database are identified as novel mutations.
213 Citations
15 Claims
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1. A method for identifying a novel mutation associated with a disease, the method comprising:
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obtaining nucleic acid from a subject having a disease; sequencing the nucleic acid to obtain a sequence of the nucleic acid; and using a computer system comprising a processor coupled to a memory for; comparing the sequence of the nucleic acid from the subject to a reference sequence, thereby determining the presence of at least one spatially ambiguous mutation in the nucleic acid; comparing the spatially ambiguous mutation to a database of mutations known to be associated with the disease, wherein mutations that do not match to the database are identified as novel mutations; calculating an equivalent insertion/deletion region for the spatially ambiguous mutation; annotating the spatially ambiguous mutation with functional information; retrieving an extreme lower position and an extreme upper position of the equivalent insertion/deletion region for the spatially ambiguous mutation; and choosing one of the extreme lower position and the extreme upper position of the equivalent insertion/deletion region for the spatially ambiguous mutation that is outside of a functional region, wherein said spatially ambiguous mutation is not causative of the disease. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for identifying a novel mutation associated with a disease, the method comprising:
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obtaining nucleic acid from a subject having a disease; sequencing the nucleic acid; comparing, using a computer system comprising a processor coupled to a memory, the sequence of the nucleic acid from the subject to a reference sequence, thereby determining the presence of a spatially ambiguous mutation in the nucleic acid; and comparing, using the computer system, the mutation to a database of mutations known to be associated with the disease, wherein mutations that do not match to the database are identified as novel mutations; identifying, using the computer system, a contiguous block of DNA in the reference sequence representing a tandem repeat associated with the spatially ambiguous mutation; annotating, using the computer system, the spatially ambiguous mutation with functional information; retrieving, using the computer system, an extreme lower position and an extreme upper position of the contiguous block of DNA in the reference sequence for the spatially ambiguous mutation; and choosing, using the computer system, one of the lower position and the upper position of the equivalent insertion/deletion region for the spatially ambiguous mutation that is outside of a functional region, wherein said spatially ambiguous mutation is not causative of the disease. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for determining if a mutation is causative of a disease, the method comprising:
conducting an assay to obtain a nucleic acid sequence from a subject having a disease; and
using a computer system comprising a memory coupled to a processor for;determining the presence of a spatially ambiguous novel mutation in the sequence; calculating an equivalent insertion/deletion region for the spatially ambiguous mutation; annotating the mutation with appropriate functional information; retrieving an extreme lower position and an extreme upper position of the equivalent insertion/deletion region for the mutation; and choosing one of the extreme lower position and the extreme upper position for the spatially ambiguous mutation that is outside of a functional region, wherein said spatially ambiguous mutation is not causative of the disease.
Specification