Search results for “annotation”

Secondary Analysis 2.0 – Part V

Aug 22, 2017

An Example of an Integrated Clinical Workflow for CNVs and SNVs In this blog series, I discuss the architecture of a state of the art secondary pipeline that is able to detect single nucleotide variations (SNVs) and copy number variations (CNVs) in one test leveraging next-gen sequencing. In Part I, we…

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Frequently Asked Questions: CNV analysis in VarSeq

Jul 20, 2017

The support team at Golden Helix is always here to help with your SVS and VarSeq needs. Often, we receive some excellent questions that should be shared with the rest of our users. This blog will answer some common questions we’ve been seeing lately regarding VarSeq CNV. I’ve noticed there is a version 2…

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Clinical Workflows Webcast Q&A

Jul 13, 2017

In case you missed our live event yesterday, I wanted to share the Q&A session and a link to the webcast recording: An Exploration of Clinical Workflows in VarSeq. Question:You mentioned saving projects as templates, will it save GenomeBrowse plots in the project template or do you have to replot the…

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CNV Caller Updates and More with VarSeq 1.4.5

Jun 22, 2017

We have been heads down doing the detailed and careful work to improve our CNV caller algorithm in the past three months since our we launched our Exome capable CNV caller and are very excited about the massive step forward we have made with the VarSeq 1.4.5 release. Additionally, we…

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Cancer Gene Panels Tutorial

Jun 13, 2017

VarSeq enables breakthrough discoveries in cancer diagnostics by supporting gene panel testing and whole exome and genome analysis. We wanted to share our Cancer Gene Panel tutorial which covers a basic gene panel workflow with an emphasis on adding, modifying and manipulating filter chains. This tutorial will start with creating a…

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Annotating with gnomAD: Frequencies from 123,136 Exomes and 15,496 Genomes

May 16, 2017

Annotating with gnomAD: Frequencies from 123,136 Exomes and 15,496 Genomes When the Broad Institute team lead by Dan MacArthur announced at ASHG 2016 that the successor to the popular ExAC project (frequencies of 61,486 exomes) was live at http://gnomad.broadinstitute.org/, I thought their servers would have a melt-down as everyone immediately…

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New Tutorial: VSWarehouse

Apr 27, 2017

The new VSWarehouse Tutorial covers the basic VSWarehouse workflow.This tutorial focuses on connecting to a VSWarehouse instance from VarSeq, adding an existing VSWarehouse project as an annotation source and using reports and assessment catalogs hosted on VSWarehouse. This workflow requires an active VarSeq license with the VSWarehouse feature included. You can…

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Updated PhoRank with OMIM Phenotype Terms and Improved Rankings

Apr 12, 2017

In our latest VarSeq release, we updated our PhoRank algorithm with the ability to specify OMIM phenotype terms not present in HPO, as well as a general update to the algorithm to improve the results. In this post, we review the fundamentals of how PhoRank determines the ranking of genes…

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Springtime for SVS: Updates to PhoRank, Platform Support and Genotype Imputation

Apr 11, 2017

Recently, we added a natively supported Genotype Phasing and Imputation capability in SNP & Variation Suite 8.7.0. Since then we have had fantastic feedback and adoption as folks take advantage of the BEAGLE 4.0 and 4.1 algorithms from within their existing SNP GWAS and agrigenomic workflows. One piece of feedback…

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We’re heading to Phoenix for ACMG 2017

Mar 16, 2017

ACMG 2017 is just around the corner! We are halfway through March already and it’s just about time to head off to sunny and warm Phoenix, Arizona. While the temps have been mostly mild for the last few weeks in Montana, I bet those of you in the northeast are…

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Coming Soon! The genome Aggregation Database (gnomAD)

Mar 15, 2017

Ever since the MacArther Lab announced the new gnomAD browser at last year’s ASHG conference, we have had many requests from our customers to make this new variant frequency source available within both VarSeq and SVS. This new dataset includes variants obtained from 123,136 exome sequences and 15,496 whole-genome sequences.…

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Paying Attention to the Quality Fields in ExAC: A Case Study

Mar 7, 2017

In the past couple of weeks, the topic of the Filter and Quality fields in the popular ExAC population catalog has come up a number of times in discussions around NGS analysis software workflows. It turns out that unlike the 1000 Genomes project, which decided to very heavily filter their…

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Adding RSIDs to your SVS marker mapped spreadsheet

Feb 14, 2017

In the new Genotype Imputation tool that is coming soon to SVS, allele encoding is an important part of matching data between the target and the reference panels. If the same platform provider is being used, then A/B encoding can be used. However, it’s better to use the Reference/Alternate allele…

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PhoRank in SVS: Gene Ranking for Your Research Genotypes

Feb 9, 2017

Since we released our Phenotype Gene Ranking algorithm in VarSeq, it has become a staple of the way people conduct their analysis. It allows for a combination of filtering with ranking to prioritize follow-up interpretations of analysis results. Our PhoRank algorithm will be available in our upcoming SVS release to…

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Clinical Reporting Made Easy

Feb 2, 2017

Join our upcoming webcast – Clinical Reporting Made Easy Wednesday, February 15th 12:00 pm EST Clinical labs need to be able to process samples down to a short list of variants and publish a professional report. VSReports helps scientists and clinicians alike create timely, actionable reports that can improve clinical…

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Massive Variant Boost to ClinVar & PubMed Citation Fields

Jan 24, 2017

It may have been easy to miss in the drum-beat of monthly annotation updates we do here at Golden Helix, but there are a couple of things that are very special about the January update to the ClinVar database: We added new fields including HGVS names of variants and citations…

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Utilizing VSReports in Your Clinical Workflow

Jan 12, 2017

Clinical labs need to be able to process samples down to a short list of variants and publish a professional report. VSReports helps scientists and clinicians alike create timely, actionable reports that can improve clinical decision making and streamline patient care by seamlessly incorporating the results of tertiary analysis into…

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Using Assessment Catalogs in your VarSeq workflow

Dec 15, 2016

Variant interpretation is an integral part of any workflow that results in some decisions being made about the validity and suspected functional impact of a variant in a given sample and their presenting phenotypes. The VarSeq Assessment Catalog functionality is designed to assist the VarSeq user in streamlining this process.…

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ExAC CNVs: The First Large Scale Public Exome CNV Variant Set

Dec 8, 2016

ExAC CNVs were released publicly with a recent publication, providing the full set of rare CNVs called on ~60K human exomes. While there are many public CNV databases out there, this is the first one that was derived from exome data, and thus includes both extremely rare and very small CNV…

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Case Study: Children’s Hospital Los Angeles

Dec 6, 2016

Dr. Laura Li and her colleagues at the Children’s Hospital Los Angeles (CHLA) are working to determine the underlying genetic causes of Optic Nerve Hypoplasia (ONH), which is still unclear. ONH is the absence or under-development of the optic nerve and is currently the leading ocular cause of vision impairments…

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