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Exploring machine learning tools in a retrospective case-study of patients with metastatic non-small cell lung cancer treated with first-line immunotherapy: A feasibility single-centre experience.
Lung Cancer
December 2024
Università Vita-Salute San Raffaele, Milan, Italy; Department of Medical Oncology, IRCCS Ospedale San Raffaele, Milan, Italy.
Background: Artificial intelligence (AI) models are emerging as promising tools to identify predictive features among data coming from health records. Their application in clinical routine is still challenging, due to technical limits and to explainability issues in this specific setting. Response to standard first-line immunotherapy (ICI) in metastatic Non-Small-Cell Lung Cancer (NSCLC) is an interesting population for machine learning (ML), since up to 30% of patients do not benefit.
View Article and Find Full Text PDFInterlaboratory assays from the fungal PCR Initiative and the Modimucor Study Group to improve qPCR detection of Mucorales DNA in serum: one more step toward standardization.
J Clin Microbiol
December 2024
Chrono-environnement UMR6249, CNRS, University of Franche-Comté, Besançon, Bourgogne-Franche-Comté, France.
Unlabelled: The aim of this study was to identify parameters influencing DNA extraction and PCR amplification efficiencies in an attempt to standardize Mucorales qPCR. The Fungal PCR Initiative Mucorales Laboratory Working Group distributed two panels of simulated samples to 26 laboratories: Panel A (six sera spiked with Mucorales DNA and one negative control serum) and Panel B (six Mucorales DNA extracts). Panel A underwent DNA extraction in each laboratory according to the local procedure and were sent to a central laboratory for testing using three different qPCR techniques: one in-house qPCR assay and two commercial assays (MucorGenius and Fungiplex).
View Article and Find Full Text PDFGuidelines for the standardization of pre-analytical variables for salivary biomarker studies in Alzheimer's disease research: An updated review and consensus of the Salivary Biomarkers for Dementia Research Working Group.
Alzheimers Dement
December 2024
Oasis Diagnostics® Corporation, Vancouver, Washington, USA.
There is a pressing need for accessible biomarkers with high diagnostic accuracy for Alzheimer's disease (AD) diagnosis to facilitate widespread screening, particularly in underserved groups. Saliva is an emerging specimen for measuring AD biomarkers, with distinct contexts of use that could complement blood and cerebrospinal fluid and detect various analytes. An interdisciplinary, international group of AD and related dementias (ADRD) researchers convened and performed a narrative review of published studies on salivary AD biomarkers.
View Article and Find Full Text PDFUnderstanding green discoloration in serum and citrate plasma samples: a case report.
Biochem Med (Zagreb)
February 2025
Department of Medical Biochemistry and Laboratory Medicine, Merkur University Hospital, Zagreb, Croatia.
This case report investigates the occurrence of green discoloration in serum and citrate plasma samples collected from a male adult patient following a multivisceral organ transplant. In collected samples, it was necessary to investigate the influence of sample discoloration on the results of laboratory tests and to determine the appropriate approach to sample management. Hematology, coagulation and blood gas analysis showed no flags, but the biochemical lipemia index was susceptible to positive interference, necessitating dilution of the native sample.
View Article and Find Full Text PDFEffect of time and temperature on the stability of HPV and cellular nucleic acid using simulated dry self-samples.
J Virol Methods
December 2024
Scottish HPV Reference Laboratory, NHS Lothian, Royal Infirmary of Edinburgh, Little France, Edinburgh EH16 4SA, United Kingdom; HPV Research Group, University of Edinburgh, Edinburgh EH16 4TJ, United Kingdom.
Background: Self-sampling is now a key component within HPV-based cervical screening programmes to engage individuals and enhance participation. As self-sampling is relatively new, information on the influence of pre-analytical parameters such as transit-temperature and time between sampling and testing on HPV test results requires detailed investigation.
Methods: FLOQSwabs® and Evalyn Brushes® were used to assess HPV and cellular stability over a 30-week period (0w,4w,12w,30w) at 4 °C, ambient, and 37 °C.
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