March 29, 2018. Mutation Forecaster: Key to discovery of mutations in novel ALS gene

CytoGnomix’s Mutation Forecaster: Key to discovery of mutations in novel ALS gene. Nicolas et al. Genome-wide Analyses Identify KIF5A as a Novel ALS Gene. Neuron 97:1268-1283.e6, 2018
http://www.cell.com/neuron/fulltext/S0896-6273(18)30148-X

From our subscriber, Dr. John Landers (U. Mass. School of Medicine):

“We used the application ASSEDA (Automated Splice Site and Exon Definition Analyses) to predict any mutant mRNA splice isoforms resulting from these variants (Mucaki et al. 2013). This algorithm was chosen as it is known to have high performance in splice prediction (Caminsky et al., 2014). ASSEDA predicted a complete skipping of exon 27 for all variants, yielding a transcript with a frameshift at coding amino acid 998, the deletion of the normal C-terminal 34 amino acids of the cargo-binding domain, and the extension of an aberrant 39 amino acids to the C terminus (Table 3; Figures 4B and 4C). The presence of transcripts with skipped exon 27 was demonstrated by performing…”

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April 9, 2018. Upcoming release of Automated Dicentric Chromosome Identifier and Dose Estimator (ADCI)

We have just completed porting Windows ADCI from the MinGW C++ (32 bit)  to Microsoft’s C++ (64 bit) compiled version. The release of this software in summer 2018 will contain this new version (v 2.0).  ADCI now has access to 8 Gb of runtime memory, which should allow twice as many samples to be batch processed in a single run.  We estimate at least 700 samples consisting of 500 images each can be analyzed in unattended operation.
Our primary motivation for building the 64 bit version was actually to write new code that exploits the onboard Nvidia graphics card (GPU) in  the gaming computers that we recommend. Benchmarking of the Gradient Vector Flow code (that defines chromosome objects) indicates a speedup of ~20% when the main CPU is linked to the GPU. The speed of the Integrated Intensity Laplacian module (which measures chromosome crossectional width) will also benefit from the GPU link. GPU acceleration will be available later in the year.

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