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| http://dx.doi.org/10.1016/j.medj.2020.06.007 | DOI Listing |
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Oxidative Stress Early After Hematopoietic Stem Cell Transplant.
Transplant Cell Ther
January 2025
Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, OH; Department of Pediatrics, University of Cincinnati, Cincinnati, OH.
Background: HSCT conditioning regimens cause massive lysis of hematopoietic cells with release of toxic intracellular molecules into the circulation.
Objectives: To describe the response to oxidative stress early after hemopoietic stem cell transplantation (HSCT) and assess the association of early oxidative stress with later transplant outcomes.
Study Design: Key components of in the body's physiological response to oxidative stress were studied in a cohort of 122 consecutive pediatric allogeneic HSCT recipients.
Engineered enzymes for enantioselective nucleophilic aromatic substitutions.
Nature
January 2025
Manchester Institute of Biotechnology, The University of Manchester, Manchester, UK.
Nucleophilic aromatic substitutions (SAr) are amongst the most widely used processes in the pharmaceutical and agrochemical industries, allowing convergent assembly of complex molecules through C-C and C-X (X = O, N, S) bond formation. SAr reactions are typically carried out using forcing conditions, involving polar aprotic solvents, stoichiometric bases and elevated temperatures, which do not allow for control over reaction selectivity. Despite the importance of SAr chemistry, there are only a handful of selective catalytic methods reported that rely on small organic hydrogen-bonding or phase-transfer catalysts.
View Article and Find Full Text PDFMicro and macropolitical determinants for non-vaccination against COVID-19 in pregnant women in Belo Horizonte.
Rev Bras Enferm
January 2025
Universidade Federal de Minas Gerais. Belo Horizonte, Minas Gerais, Brazil.
Objective: To analyze the determinants for non-vaccination against COVID-19 in pregnant women in Belo Horizonte, Minas Gerais, Brazil.
Methods: An epidemiological study with a cross-sectional design was conducted using data from the project titled "Childbirth and Breastfeeding in Children of Mothers Infected by SARS-CoV-2," developed during the pandemic in the city of Belo Horizonte, Minas Gerais, Brazil.
Results: The study sample consisted of 360 pregnant women, of whom 77.
CFTR dictates monocyte adhesion by facilitating integrin clustering but not activation.
Proc Natl Acad Sci U S A
January 2025
Department of Immunology, School of Medicine, UConn Health, Farmington, CT 06030.
Monocytes are critical in controlling tissue infections and inflammation. Monocyte dysfunction contributes to the inflammatory pathogenesis of cystic fibrosis (CF) caused by CF transmembrane conductance regulator (CFTR) mutations, making CF a clinically relevant disease model for studying the contribution of monocytes to inflammation. Although CF monocytes exhibited adhesion defects, the precise mechanism is unclear.
View Article and Find Full Text PDFDirect lysine dimethylation of IRF3 by the methyltransferase SMYD3 attenuates antiviral innate immunity.
Proc Natl Acad Sci U S A
January 2025
Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430070, People's Republic of China.
Interferon regulatory factor 3 (IRF3) is the key transcription factor in the type I IFN signaling pathway, whose activation is regulated by multiple posttranslational modifications. Here, we identify SMYD3, a lysine methyltransferase, as a negative regulator of IRF3. SMYD3 interacts with IRF3 and catalyzes the dimethylation of IRF3 at lysine 39.
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