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EN ISO 15189 revision: EFLM Committee Accreditation and ISO/CEN standards (C: A/ISO) analysis and general remarks on the changes.
Clin Chem Lab Med
January 2025
SKML, Nijmegen, The Netherlands.
The EN ISO 15189:2022 standard, titled "Medical laboratories - Requirements for quality and competence," is a significant update to the regulations for medical laboratories. The revised standard was published on December 6, 2022, replacing both EN ISO 15189:2012 and EN ISO 22870:2016. Key objectives of the revision include: 1.
View Article and Find Full Text PDFExploring chilling stress and recovery dynamics in C4 perennial grass of Miscanthus sinensis.
PLoS One
January 2025
Polish Academy of Sciences, Institute of Plant Genetics, Poznan, Poland.
The increasing cultivation of perennial C4 grass known as Miscanthus spp. for biomass production holds promise as a sustainable source of renewable energy. Unlike the sterile triploid hybrid of M.
View Article and Find Full Text PDFGenetic Links Between Gastrointestinal Disorders and Kidney Stone Disease: Insights from Genome-Wide Cross-Trait Analysis.
Kidney360
January 2025
Department of Urology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
Background: Epidemiological associations between kidney stone disease (KSD) and gastrointestinal disorders have been reported, and intestinal homeostasis plays a critical role in stone formation. However, the underlying intrinsic link is not adequately understood. This study aims to investigate the genetic associations between these two types of diseases.
View Article and Find Full Text PDFFunctional differences between rodent and human PD-1 linked to evolutionary divergence.
Sci Immunol
January 2025
Department of Cell and Developmental Biology, School of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA.
Mechanistic understanding of the inhibitory immunoreceptor PD-1 is largely based on mouse models, but human and mouse PD-1 share only 59.6% amino acid identity. Here, we found that human PD-1 is more inhibitory than mouse PD-1, owing to stronger interactions with the ligands PD-L1 and PD-L2 and more efficient recruitment of the effector phosphatase Shp2.
View Article and Find Full Text PDFMitochondrial DNA lineages determine tumor progression through T cell reactive oxygen signaling.
Proc Natl Acad Sci U S A
January 2025
Center for Mitochondrial and Epigenomic Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA 19104.
Mitochondrial DNA (mtDNA) is highly polymorphic, and host mtDNA variation has been associated with altered cancer severity. To determine the basis of this mtDNA-cancer association, we analyzed conplastic mice with the C57BL/6J (B6) nucleus but two naturally occurring mtDNA lineages, and , where mitochondria generate more oxidative phosphorylation (OXPHOS)-derived reactive oxygen species (mROS). In a cardiac transplant model, Foxp3+ T regulatory (Treg) cells supported long-term allograft survival, whereas Treg cells failed to suppress host T effector (Teff) cells, leading to acute rejection.
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