allele-specific PCR Circulating Tumor DNA Dynamics May Hold Hints to Immunotherapy Response, Pseudoprogression Investigators using droplet digital PCR methods are following cell-free tumor DNA in the blood, looking for patterns coinciding with immunotherapy treatment outcomes. BRAF Proficiency Testing Reporting Adequate But Could Improve, Analysis Finds Researchers said that laboratories participating in BRAF proficiency testing include most of the required reporting elements "to unambiguously convey molecular results." NY State Rescinds Conditional Approval of Four Rosetta Genomics PCR Assays The company said it is confident it can address the state health department's concerns and will reapply for approval as soon as possible. Applied Markets News: Life Tech, Japanese Group's Foreign Eel ID Test; Instant Labs' Salmonella Assay Premium This article has been updated from a previous version to provide more specific information about the AOAC certification of InstantLabs' assay. Breaking News SARS-CoV-2 Mutational Signature Associated With Mutagenic Antiviral Drug Biocartis Restructures Balance Sheet as H1 2023 Revenues Rise 12 Percent Rare Kidney Cancer Genomic Analysis Reveals Potential Target, Suggests Treatment SEC Concludes CareDx Investigation, Recommends No Enforcement Action Streck Quality Controls for DiaSorin's Luminex Sepsis Tests Receive FDA Clearance 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.