Enriching Microbial Cell-Free DNA in Clinical Metagenomics Using Epigenetic Filters

Clin Chem. 2026 Aug 5:hvag089. doi: 10.1093/clinchem/hvag089. Online ahead of print. ABSTRACT INTRODUCTION: Noninvasive cell-free DNA (cfDNA) metagenomic sequencing enables hypothesis-free detection of microbial pathogens in patients with suspected infections. However, its clinical sensitivity is often limited by the overwhelming background of host-derived cfDNA, which can obscure low-abundance microbial signals. We developed an epigenetically guided … Read more

APOB to Estimated APOB Ratio for Screening for the APOE2 Genotype

Clin Chem. 2026 Aug 3:hvag094. doi: 10.1093/clinchem/hvag094. Online ahead of print. ABSTRACT BACKGROUND: Familial dysbetalipoproteinemia (FDB) is a genetic lipoprotein disorder that can develop in patients homozygous for the apolipoprotein 2 (APOE2) genotype (APOE ɛ2/ɛ2). It is associated with decreased clearance of remnant lipoproteins and increased atherosclerotic cardiovascular disease (ASCVD) risk disproportionate to low-density lipoprotein-cholesterol … Read more

Mapping pediatric cardiac troponin testing worldwide: results from the IFCC survey on emerging applications, standardization needs and accessCatherine L Omosuleon August 3, 2026 at 10:00 am

Clin Chem Lab Med. 2026 Aug 4. doi: 10.1515/cclm-2026-0711. Online ahead of print. ABSTRACT OBJECTIVES: Limited guidance on the use and interpretation of cardiac troponin (cTn) testing in pediatric populations has restricted its broader adoption, despite the significant burden of congenital and acquired cardiac conditions in children. This survey aimed to evaluate global availability, utilization … Read more

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