Golden Helix Blog

Variant Interpretation with VSClinical: Huntington’s Disease (HD)

Aug 12, 2019

Huntington’s Disease (HD) Background Huntington’s Disease (HD) is an autosomal dominant neurodegenerative disease that is caused by a mutation in the huntingtin (HTT) gene resulting in 36 or more CAG trinucleotide repeats in exon 1. Individuals affected by HD experience motor disorders including involuntary movements and poor coordination, cognitive impairments…

Read more →

Automating & Standardizing Your NGS Workflow: Part I

Aug 5, 2019

Secondary Analysis with Sentieon: Rapid and Accurate Variant Calling This blog post will cover the utilization of secondary analysis tools to produce a list of high-quality variants and associated coverage data. This data will serve as the main, importable content for the tertiary stage of analysis where variants are interpreted…

Read more →

Automating & Standardizing Your NGS Workflow

Jul 30, 2019

As our regular customers may know, we write our blogs to provide relevant content to any NGS-based analysis with VarSeq. Our goal here at Golden Helix is to provide top quality software and guidance on how to use the software efficiently to perform variant analysis. However, this blog series will…

Read more →

Variant Interpretation with VSClinical: Congenital Myasthenic Syndromes (CMS)

Jul 26, 2019

Congenital Myasthenic Syndromes (CMS) History: Congenital Myasthenic Syndromes (CMS) are a group of rare hereditary conditions that can cause seizures, severe muscle weakness, respiratory problems, and potentially disabling weaknesses shortly after birth or early childhood (1). CMS is the result of abnormalities in acetylcholine proteins residing in the motor endplate…

Read more →

Shared Data in VarSeq

Jul 22, 2019

When using VarSeq; annotations, application settings, and assessment catalogs are all stored locally. Sometimes these resources can grow to large space grabbing directories, causing you to either purchase additional storage devices or getting rid of previously downloaded resources you might need down the road. But there’s hope! You can set…

Read more →

VarSeq Variant Annotation Normalization

Jul 18, 2019

Smoothing Hurdles into Speed Bumps when creating Annotation Sources Although most researchers assume that getting the pile of VCF sequence files is the largest hurdle in moving towards an analysis, there still exists the looming step of normalizing the variant calls in annotation sources to make variant comparison easier. In…

Read more →

Variant Interpretation with VSClinical: Evaluation of Hypertrophic Cardiomyopathy

Jul 9, 2019

Hypertrophic Cardiomyopathy History It was December 9th, 1989, when one of Loyola Marymount’s strongest inside players, Hank Gathers, collapsed during the middle of a collegiate level basketball game against UC Santa Barbara. Measuring in at 6’7” and weighing 210 pounds, Gathers was diagnosed with exercise-induced ventricular tachycardia, or in layman’s…

Read more →

Clinical Variant Analysis for Cancer: Part V

Jul 2, 2019

Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants Detecting cancer at an early stage can make it much more treatable. Developing tests and making them clinically actionable is crucial to beat this disease. This eBook covers the state-of-the-art gene panel tests for cancer. Of course,…

Read more →

Limited-Time Offer for VSClinical’s Cancer Add-On

Jun 27, 2019

We are upgrading all VSClinical +Cancer Add-On purchases to a 15-months license! The individualized nature of tumors requires genomic testing for providing the best outcomes for patients. Next-Gen Sequencing enables the detection of small mutations, copy number changes, and common fusions affordably and with high precision. However, the interpretation of…

Read more →

Clinical Variant Analysis for Cancer: Part IV

Jun 25, 2019

Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants Somatic variants can manifest in different ways: There is a difference between the interpretation of germline and somatic variants. The former is exclusively focused on establishing the level of pathogenicity vis a vis a particular disease. In…

Read more →

Clinical Variant Analysis for Cancer: Part III

Jun 18, 2019

Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants As described in my eBook “Genetic Testing for Cancer,” any bioinformatic pipeline for cancer ultimately calls variants based on the aligned reads that the sequencer generated. Variant calling is the process of reviewing a sequence alignment, typically…

Read more →

Clinical Variant Analysis for Cancer: Part II

Jun 13, 2019

Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants Analogous to the ACMG guidelines for germline mutations, the Association for Molecular Pathologists (AMP) has issued guidelines to assess and report on somatic variants. The key paper in this area was published by Li et. al (2017)…

Read more →

Clinical Variant Analysis for Cancer: Part I

Jun 11, 2019

Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants Precision Medicine uses genetic information from individual patients. This may include the following areas: Specifically, in the cancer space, data derived from Next-Gen Sequencing (NGS) is used to diagnose and prognose diseases, select a targeted therapy and…

Read more →

New eBook Release: Clinical Variant Analysis for Cancer

Jun 6, 2019

Applying AMP Guidelines to Analyze Somatic Variants Today, I am thrilled to share with you the launch of a brand new eBook titled “Clinical Variant Analysis for Cancer – Applying AMP Guidelines to Analyze Somatic Variants”. We would happy to send you a complimentary copy which can be requested on…

Read more →

Genetic Testing for Cancer – New Version Release

Jun 5, 2019

Yesterday, I released a new version of my eBook, “Genetic Testing for Cancer – Third Edition”. We would be happy to send you one! To download a complimentary copy, please submit a request on our site here. In 1914, the German cytologist Theodor Boveri coined the phrase “Cancer is a…

Read more →

Variant Interpretation with VSClinical: Evaluation of an X-linked Recessive Mutation

May 21, 2019

Overview VSClinical enables users to evaluate variants according to the ACMG guidelines in a high-throughput fashion and obtain consistent results and accurate variant interpretations. This feature is tightly integrated into our VarSeq platform as well, and when paired together, users can evaluate NGS data and obtain clinical reports all in…

Read more →

Variant Interpretation with VSClinical: Clinical Example for Congenital Indifference to Pain

May 16, 2019

VSClinical provides a rapid-fire way to investigate any variant’s impact by following the ACMG Guidelines process for classification. We will be demonstrating this by looking at interesting examples of rare disorders and showcasing some evaluation steps users may deploy in their analysis. Our first example in this blog series is…

Read more →

Top 5 Features of Sentieon

Apr 23, 2019

Sentieon develops bioinformatics secondary analysis tools to process genomic data with high computing efficiency, fast turnaround time, exceptional accuracy and 100% consistency. These features are what led to the partnership of Golden Helix and Sentieon to provide users with a comprehensive solution for genomic data analysis. This blog post gives…

Read more →

Automating Clinical Workflows: Part III

Apr 19, 2019

In the previous two articles, we explored the different steps of a clinical workflow. The first post covered the automated analysis that creates a VarSeq project. While the second post covered the interpretation steps and generation of a clinical report. These posts illustrated the ease with which these complex tasks…

Read more →

Automating Clinical Workflows: Part II

Apr 11, 2019

In the previous blog post, we covered the automated steps to create a VarSeq project. Today we will examine the active analysis steps. These are the steps that require human interpretation to analyze the clinically relevant variants. A lab tech can take the first pass at the output in the…

Read more →