Natera Prospera Kidney With Quantification
Natera has launched Prospera with Quantification, a cell-free DNA test for kidney rejection that provides the quantity of donor-derived cfDNA (dd-cfDNA), fraction of dd-cfDNA, and total cfDNA on every report. Combining these three metrics improves sensitivity when evaluating transplant rejection, compared to using dd-cfDNA fraction alone, Natera said. Currently, other commercially available cfDNA tests that assess transplant rejection only report the fraction of dd-cfDNA.
Sema4: Sema4 Elements
Sema4, a molecular diagnostics and clinical data company, has launched Sema4 Elements, a portfolio of genomic tests, digital tools, and services in reproductive health for patients and providers. It includes a new version of the company's Expanded Carrier Screen (ECS) that provides personalized residual risk assessments, its noninvasive prenatal test (NIPT), and its Natalis newborn screen. One of the digital tools in the portfolio is Pregnancy Journey, an educational resource and tracking tool for pregnant women. Services include customized workflows, genetic counseling, and patient-friendly billing policies.
Meridian Bioscience Air-Dryable Direct DNA/RNA qPCR Stool and Saliva Mixes
Meridian Bioscience has launched its Air-Dryable Direct DNA qPCR Stool and Air-Dryable Direct DNA/RNA qPCR Stool Mixes, and Air-Dryable Direct DNA qPCR Saliva and Air-Dryable Direct RNA/DNA qPCR Saliva Mixes.
The new stool qPCR mixes are intended for use in the development of room temperature-stable molecular diagnostic tests that directly target nucleic acid sequences from crude stool. The mixes remove the need for RNA or DNA purification or complex component optimization and can be used for tests that are in a liquid format or dried down in a convection oven to create ambient temperature-stable assays without a need for lyophilization.
The saliva qPCR mixes are designed for incorporation into room temperature-stable molecular tests directly targeting nucleic acid sequences from saliva and sputum. The mixes were formulated specifically to overcome inhibitors found in saliva samples to allow diagnosis directly from crudely processed saliva or sputum samples, Meridian said. They can also be used either in a wet format or dried down to create ambient temperature-stable assays without needing lyophilization.
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