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In Print: Last Week's Microarray Papers of Note: May 27, 2014


RNA-seq and expression microarray highlight different aspects of the fetal amniotic fluid transcriptome.
Prenat Diagn. 2014 May 23. [Epub ahead of print]
Zwemer L, et al.

The authors determined that Affymetrix expression microarrays provided a broader view of overall gene expression within the fetal amniotic fluid transcriptome, while Illumina HiSeq RNA sequencing revealed alternative splicing and specific pathways relevant to the developing fetus. The degraded nature of cell-free fetal RNA also presented technical challenges for the RNA-seq approach.

A duplex recombinant viral nucleoprotein microbead immunoassay for simultaneous detection of seroresponses to human respiratory syncytial virus and metapneumovirus infections.
J Virol Methods. 2014 May 22. [Epub ahead of print]
Zhang Y, et al.

In this study, human respiratory syncytial virus and human metapneumovirus nucleocapsid proteins were expressed in a baculovirus system and their performance compared with virus culture lysate antigen using paired serum specimens collected from symptomatic children. The proteins were also used to develop a duplex assay based on the Luminex bead array platform, where diagnostic rises in antibody levels could be determined simultaneously at a single serum dilution.

A single slide multiplex assay for the evaluation of classical Hodgkin lymphoma.
Am J Surg Pathol. 2014 May 22. [Epub ahead of print]
Hollman-Hewgley D, et al.

The authors assessed the capabilities of the hyperplexing MultiOmyx platform, which is used to analyze 60 antibodies on single tissue sections from formalin-fixed paraffin-embedded tissue, as an aid to the diagnosis of classical Hodgkin lymphoma. They determined the platform to be practical for routine diagnosis and argued that it may be particularly useful in cases in which the sample size is limited, few Hodgkin-like cells are present, or in CD30-positive lymphoma cases with difficult morphology.

The Scan

Positive Framing of Genetic Studies Can Spark Mistrust Among Underrepresented Groups

Researchers in Human Genetics and Genomics Advances report that how researchers describe genomic studies may alienate potential participants.

Small Study of Gene Editing to Treat Sickle Cell Disease

In a Novartis-sponsored study in the New England Journal of Medicine, researchers found that a CRISPR-Cas9-based treatment targeting promoters of genes encoding fetal hemoglobin could reduce disease symptoms.

Gut Microbiome Changes Appear in Infants Before They Develop Eczema, Study Finds

Researchers report in mSystems that infants experienced an enrichment in Clostridium sensu stricto 1 and Finegoldia and a depletion of Bacteroides before developing eczema.

Acute Myeloid Leukemia Treatment Specificity Enhanced With Stem Cell Editing

A study in Nature suggests epitope editing in donor stem cells prior to bone marrow transplants can stave off toxicity when targeting acute myeloid leukemia with immunotherapy.