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Los Altos, CA, United States

Patent
Boreal Genomics | Date: 2012-08-23

Methods and apparatus providing improved fidelity and specificity when separating nucleic acids from a sample, but without need for amplification. In particular, using the disclosed methods, it is possible to isolate a variant nucleic acid (i.e., a mutation) from a non-target nucleic acid (i.e., a wild-type) when the variant is present in the original sample at a much lower concentration than the non-target, e.g., 1:10,000, without substantial loss of the variant.


Patent
Boreal Genomics | Date: 2014-03-14

The invention includes methods and apparatus for isolating and recovering mutations, especially rare and unknown mutations, without amplifying the sample. In particular, using the disclosed methods, it is possible to separate heteroduplexed nucleic acid strand pair from homoduplexed nucleic acid strand pairs having similar sequences and being at a much higher concentration. Once the heteroduplexed nucleic acids are isolated and recovered, it is straightforward to analyze the sequences of the heteroduplexed nucleic acids, e.g., using sequencing or hybrid assays.


Patent
Boreal Genomics | Date: 2015-11-02

The invention generally relates to sequencing library preparation methods. In certain embodiments, two template nucleic acids are joined together by a linking molecule, such as a PEG derivative. The linked template nucleic acids is amplified, creating linked amplicons.


The invention generally relates to methods of assessing an individuals risk of developing a disease associated with accumulation of DNA mutations by determining the mutation burden in their circulating cell-free nucleic acid relative to a reference sequence. The invention further relates to establishing a score indicative of the individuals risk by assessing the individuals mutation burden against a mutation burden continuum containing various thresholds associated with different degrees of risk. The reference sequence and the continuum may be constructed from a variety of sources. In certain aspects, methods of the invention relate to compilation of a database of mutation burdens for individuals along with population characteristics for each individual.


Patent
Boreal Genomics | Date: 2013-09-09

Methods and apparatus providing improved fidelity and specificity when separating nucleic acids from a sample, but without need for amplification. In particular, using the disclosed methods, it is possible to isolate a variant nucleic acid (i.e., a mutation) from a non-target nucleic acid (i.e., a wild-type) when the variant is present in the original sample at a much lower concentration than the non-target, e.g., 1:10,000, without substantial loss of the variant.

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