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New Product Watch: Mar 31, 2009

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Affymetrix last week launched the second version of its Cytogenetics Solution, which includes arrays, reagents, and software for the detection of chromosomal aberrations.

The new version includes Affy's Cytogenetics Whole-Genome 2.7M Array and Cytogenetics Focused Array, both of which include copy-number variants and SNPs to identify loss of heterozygosity, uniparental disomy, and regions identical-by-descent.

Specifically, the Whole-Genome 2.7M Array provides whole-genome coverage with 2.7 million markers, including 400,000 SNPs. The Focused Array includes more than 330,000 markers within focused regions of known cytogenetic importance. The Focused Array also maintains a backbone of markers at 16 kilobase spacing to provide whole-genome coverage. Both arrays offer coverage of cytogenetic hot spots, including haploinsufficiency genes, cancer genes, and regions associated with microdeletion syndromes, Affy said.

Affy has also updated its cytogenetic assay and software with the new release.


AltheaDx last week launched RNA QC, a service that informs clinical researchers of the accuracy of results from a patient's genetic test.

The test examines the quality of RNA isolated from formalin-fixed, paraffin-embedded samples, a process that is known to degrade genetic material.

AltheaDx's RNA QC assay uses multiplexed PCR technology to examine the integrity of nine different genes to determine the quality of RNA from a FFPE sample. An algorithm then generates a predictive score to show how well the RNA will perform on a subsequent PCR or microarray-based genetic test, the company said.

The Scan

For Better Odds

Bloomberg reports that a child has been born following polygenic risk score screening as an embryo.

Booster Decision Expected

The New York Times reports the US Food and Drug Administration is expected to authorize a booster dose of the Pfizer-BioNTech SARS-CoV-2 vaccine this week for individuals over 65 or at high risk.

Snipping HIV Out

The Philadelphia Inquirer reports Temple University researchers are to test a gene-editing approach for treating HIV.

PLOS Papers on Cancer Risk Scores, Typhoid Fever in Colombia, Streptococcus Protection

In PLOS this week: application of cancer polygenic risk scores across ancestries, genetic diversity of typhoid fever-causing Salmonella, and more.