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In Print: Last Week's Microarray Papers of Note: Mar 4, 2014

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The accuracy of chromosomal microarray testing for identification of embryonic mosaicism in human blastocysts.
Mol Cytogenet. 2014 Feb 28;7(1):18. [Epub ahead of print]
Novik V, et al.

The authors of this study set out to establish the limits of detection and the prevalence of chromosome mosaicism in day 5/6 human embryos using CMA with trophectoderm biopsies. They found that chromosomal microarrays can detect mosaicism in TE biopsies when present at levels as low as between 25 and 37 percent and the prevalence of day 5/6 blastocysts, which were mosaic and had no other abnormalities, reached 15 percent among a cohort of 551 embryos examined.


An exploration of genetic counselors' needs and experiences with prenatal chromosomal microarray testing.
J Genet Couns. 2014 Feb 27. [Epub ahead of print]
Bernhardt B, et al.

The authors set out to understand the experiences and needs of genetic counselors when counseling patients about uncertain prenatalmicroarray results, their comfort with various aspects of prenatal genetic counseling, and their interest in additional education and training about prenatal microarray testing. They interviewed 10 genetic counselors about their experiences of providing pre- and post-test genetic counseling about prenatal CMA.


General assessment of copy number variation in normal and tumor tissues of the domestic dog (Canis lupus familiaris).
J Appl Genet. 2014 Feb 27. [Epub ahead of print]
Gurgul A, et al.

The authors used Illumina's CanineHD BeadChip assay to identify both natural and cancer-induced CNVs in the genomes of different dog breeds and in different cancer types occurring in this species. The obtained results showed that structural aberrations are a common phenomenon arising during a tumor progression, and are more complex and widespread in tumors of mesenchymal tissue origin than in epithelial tissue originating tumors.

The Scan

US Booster Eligibility Decision

The US CDC director recommends that people at high risk of developing COVID-19 due to their jobs also be eligible for COVID-19 boosters, in addition to those 65 years old and older or with underlying medical conditions.

Arizona Bill Before Judge

The Arizona Daily Star reports that a judge is weighing whether a new Arizona law restricting abortion due to genetic conditions is a ban or a restriction.

Additional Genes

Wales is rolling out new genetic testing service for cancer patients, according to BBC News.

Science Papers Examine State of Human Genomic Research, Single-Cell Protein Quantification

In Science this week: a number of editorials and policy reports discuss advances in human genomic research, and more.