Genomic Precision

 A SeraCare blog focused on precision medicine and advanced clinical diagnostics

Catherine Huang

Recent Posts

Twists and Turns That Lead From “Curiosity Driven Research” To Innovative Diagnostics

Posted by Catherine Huang on May 8, 2018 8:15:00 AM

Jennifer Doudna is not a cancer biologist and joked that she might deliver her entire lecture at the 2018 AACR Annual Meeting without ever mentioning the word “cancer.” However, when presenting the Irving Weinstein Foundation Distinguished Lecture, she told a fascinating story about how curiosity regarding an interesting sequence motif in bacteria led to gene-editing tools, and how investigation of the mechanisms behind those tools may lead to innovative diagnostics for the future.

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Topics: DNA, fusion RNA, aacr

With so many options, how do you select the best NGS cancer assay?

Posted by Catherine Huang on Jan 11, 2018 12:10:00 PM

Clinical labs must constantly evolve their test offerings in order to support the most recent advances in clinical care. For next-generation sequencing (NGS) tumor profiling assays, there are often multiple commercially available kits with similar claims for gene content and sensitivity, as well as customized solutions. How can you quickly perform an effective evaluation of available assay systems to make a data-driven choice?

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Topics: fusion RNA, next-generation sequencing, Clinical NGS Assays, reference materials, custom

AMP Reference Material Forum: Themes and Highlights

Posted by Catherine Huang on Dec 22, 2017 12:30:00 PM

On November 14, 2017, AMP hosted a forum to discuss genetic testing reference material availability and needs. The forum attracted attendees including EQA providers, developers in industry and government, as well as scientists from clinical laboratories. Topics for discussion included reference material use and needs for assay validation, quality control, and proficiency testing. Throughout the talks, a few themes emerged and were discussed by multiple speakers.

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Topics: Clinical Genetic Testing, AMP2017, reference materials

AMP 2017 Highlights: The Epigenetic Basis of Common Human Disease

Posted by Catherine Huang on Nov 30, 2017 1:30:00 PM

The Association for Molecular Pathology Meeting (AMP) was held this year in Salt Lake City, Utah on November 15-18.  For me, one of the highlights of this year’s meeting was the lecture given by Dr. Andy Feinberg, who is a professor at Johns Hopkins University School of Medicine Center for Epigenetics and the winner of the AMP award for Excellence in Molecular Genetics.

Dr. Feinberg spoke on “The Epigenetic Basis of Common Human Disease.”  He defined epigenetic changes as stable, heritable, modifications of the genome that are not based on actual sequence changes.  These epigenetic changes can be modifications of either the DNA, or the DNA associated factors that are maintained through cell division.  Examples include DNA methylation, particularly at CpG islands, histone tail modifications, nucleosome remodeling and changes in higher order chromatin structure (such as compaction). 

Stochasticity mosaic painting by Andy Feinberg, after a portrait of Conrad Waddington by Ruth Collet,
was featured on the cover of Nature Genetics May 2017 Volume 49 No 5
. 

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Topics: Genetics, AMP2017, Epigenetics, Molecular Genetics, Common Human Diseases

 
 

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