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| http://dx.doi.org/10.1056/NEJMc2115596 | DOI Listing |
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Modeling DNA methyltransferase function to predict epigenetic correlation patterns in healthy and cancer cells.
Proc Natl Acad Sci U S A
January 2025
Department of Chemical Engineering, Stanford University, Stanford, CA 94305.
DNA methylation is a crucial epigenetic modification that orchestrates chromatin remodelers that suppress transcription, and aberrations in DNA methylation result in a variety of conditions such as cancers and developmental disorders. While it is understood that methylation occurs at CpG-rich DNA regions, it is less understood how distinct methylation profiles are established within various cell types. In this work, we develop a molecular-transport model that depicts the genomic exploration of DNA methyltransferase within a multiscale DNA environment, incorporating biologically relevant factors like methylation rate and CpG density to predict how patterns are established.
View Article and Find Full Text PDFModulation of cytokeratin and cytokine/chemokine expression following influenza virus infection of differentiated human tonsillar epithelial cells.
J Virol
January 2025
Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA.
Unlabelled: The tonsils have been identified as a site of replication for Epstein-Barr virus, adenovirus, human papillomavirus, and other respiratory viruses. Human tonsil epithelial cells (HTECs) are a heterogeneous group of actively differentiating cells. Here, we investigated the cellular features and susceptibility of differentiated HTECs to specific influenza viruses, including expression of avian-type and mammalian-type sialic acid (SA) receptors, viral replication dynamics, and the associated cytokine secretion profiles.
View Article and Find Full Text PDFInjury pattern of feet and lower limbs in a feet-first fall from height.
Forensic Sci Med Pathol
January 2025
State Institute of Legal Medicine, Turmstrasse 21, Berlin, 10559, Germany.
In fatalities caused by falls from height, the analysis of the injury pattern, alongside with circumstantial data, is crucial for understanding the dynamics of the incident. In rare cases, even a differentiation between accidental and intentional events might be possible. The injury pattern of the lower limbs is particularly significant in this context.
View Article and Find Full Text PDFLiming and soil texture affect the miscible displacement of phosphorus from organic and mineral sources in tropical oxisols.
Sci Total Environ
January 2025
University of São Paulo, Luiz de Queiroz College of Agriculture, Department of Soil Science, Brazil.
Phosphorus (P) movement in soils is influenced by flow velocities, diffusion rates, and several soil characteristics and properties. In acidic soils, P is tightly bound to soil particles, reducing its availability to plants. Organomineral fertilizers combine organic matter with mineral nutrients, enhancing P fertilization efficiency, and reducing environmental impacts.
View Article and Find Full Text PDFIn Situ Ag-Seeded Lamellar TiC Nanosheets: An Electroactive Interface for Noninvasive Diagnosis of Oral Carcinoma via Salivary TNF-α Sensing.
ACS Appl Bio Mater
January 2025
Department of Chemical Engineering, Indian Institute of Technology Tirupati, Tirupati, Andhra Pradesh 517619, India.
In the fast-paced quest for early cancer detection, noninvasive screening techniques have emerged as game-changers, offering simple and accessible avenues for precession diagnostics. In line with this, our study highlights the potential of silver nanoparticle-decorated titanium carbide MXene nanosheets (TiC_AgNPs) as an electroactive interface for the noninvasive diagnosis of oral carcinoma based on the prevalence of the salivary biomarker, tumor necrosis factor-α (TNF-α). An in situ reduction was utilized to synthesize the TiC_AgNPs nanohybrid, wherein TiC acts as the reducing agent, and the resulting nanohybrid was subjected to various characterization techniques to examine the optical, structural, and morphological attributes.
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