Lab News
Neurofilament light blood test shows concussion damage in study of veterans
May 28, 2020 -- Neurofilament light chain gets more support for use as a biomarker for disabilities associated with mild traumatic brain injury from a study of military veterans published on May 27 in the journal Neurology.  Discuss
CDC touts 3 strategies to reduce false positives with coronavirus antibody tests
May 27, 2020 -- The U.S. Centers for Disease Control and Prevention (CDC) has updated its general guidance on serology testing, providing information on its role and tips on maximizing positive predictive value.  Discuss
Survey: Molecular testing greatly underused in lung cancer patients
May 26, 2020 -- Molecular testing is greatly underused in patients with non-small cell lung cancer for a variety of reasons, including cost, concerns about quality, turnaround time, and lack of awareness, according to a global survey published in the Journal of Thoracic Oncology on May 20.  Discuss
What we know about SARS-CoV-2 immunity so far
May 26, 2020 -- U.K. virologists have reviewed over 40 studies on SARS-CoV-2 immunity and discussed how this current knowledge about immune responses can inform virus control strategies. They shared their analysis in an article published in the Journal of General Virology on May 20.  Discuss
FDA pulls plug on wayward coronavirus antibody tests
May 22, 2020 -- The U.S. Food and Drug Administration (FDA) has published the names of 28 coronavirus antibody tests that may no longer be marketed or distributed, as part of its crackdown on the quality of products introduced on an emergency basis during the pandemic.  Discuss
Academic lab quickly converts to perform SARS-CoV-2 testing
May 22, 2020 -- Academic labs could be converted to perform clinical work and process SARS-CoV-2 diagnostic assays with rapid turnaround times to meet increased demand for testing during the COVID-19 pandemic. Investigators from Boston University and Boston Medical Center provided an outline of how they adapted a lab in an article published online May 10 in Med.  Discuss
CDC flags shortcomings of antibody tests in reopening guidelines
May 21, 2020 -- The U.S. Centers for Disease Control and Prevention (CDC) acknowledged high interest in antibody tests as businesses go back to work, while highlighting their limitations and many unknowns in reopening guidelines.  Discuss
AACC objects to FDA's at-home virus kit clearance, following go-ahead for Everlywell
May 21, 2020 -- The American Association for Clinical Chemistry (AACC) has notified the U.S. Food and Drug Administration (FDA) that it objects to the agency's recent emergency use authorization of an "unproven" at-home coronavirus collection kit.  Discuss
Less prostate-specific antigen testing linked with more advanced tumors
May 20, 2020 -- Less prostate-specific antigen testing in the wake of guidelines that discouraged use was linked to a drop in diagnosis of early-stage disease and more cases of advanced tumors in a study published May 20 in the Journal of the National Cancer Institute.  Discuss
Pathologists find benign lesions more common than expected in gynecology samples
May 20, 2020 -- The prevalence of a benign gynecologic lesion called endosalpingiosis is substantially higher than previously reported in gynecology samples, according to a new study that has implications for assessing ovarian cancer risk. The results were published May 13 in the journal PLOS One.  Discuss
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