A variety of novel bicyclic and tricyclic pyrimidine derivatives was obtained via reaction of 6-amino-2-thioxo-1H-pyrimidine-4-one (1) with a different reagents. The antimicrobial and anti-inflammatory activities of some of the synthesized compounds were tested.
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http://dx.doi.org/10.3390/molecules15031882 | DOI Listing |
Nat Commun
December 2024
Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, London, SE1 9RT, UK.
The role of myeloid cells in the pathogenesis of SARS-CoV-2 is well established, in particular as drivers of cytokine production and systemic inflammation characteristic of severe COVID-19. However, the potential for myeloid cells to act as bona fide targets of productive SARS-CoV-2 infection, and the specifics of entry, remain unclear. Using a panel of anti-SARS-CoV-2 monoclonal antibodies (mAbs) we performed a detailed assessment of antibody-mediated infection of monocytes/macrophages.
View Article and Find Full Text PDFCureus
November 2024
Department of Immunotherapy, Bio-Thera Clinic, Tokyo, JPN.
A satisfactory treatment for the dissemination of duodenal cancer has not yet been established. We describe a case of peritoneal dissemination and malignant ascites in duodenal cancer that was successfully treated with adoptive cell therapy with no adverse effects. A 72-year-old Japanese male patient with primary duodenal cancer with distal lymph node metastases received chemotherapy with S-1, an oral pyrimidine fluoridederived agent, and oxaliplatin after gastrojejunal bypass, which resulted in tumor shrinkage; however, peritoneal dissemination developed.
View Article and Find Full Text PDFFront Public Health
December 2024
Department of Pharmacy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Background: The incidence of gall bladder cancer (GBC), one of the most prevalent bile duct malignancies, differs with ethnicity and geographic location. To treat unresected GBC in the Chinese setting, this study aimed to assess the financial effectiveness of a combination of modified gemcitabine and oxaliplatin.
Methods: Data from a randomized controlled study in which individuals with metastatic GBC were treated with oxaliplatin and gemcitabine demonstrated improved survival.
Epigenetics Chromatin
December 2024
Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.
DNA methylation is an essential epigenetic mechanism for regulation of gene expression, through which many physiological (X-chromosome inactivation, genetic imprinting, chromatin structure and miRNA regulation, genome defense, silencing of transposable elements) and pathological processes (cancer and repetitive sequences-associated diseases) are regulated. Nanopore sequencing has emerged as a novel technique that can analyze long strands of DNA (long-read sequencing) without chemically treating the DNA. Interestingly, nanopore sequencing can also extract epigenetic status of the nucleotides (including both 5-Methylcytosine and 5-hydroxyMethylcytosine), and a large variety of bioinformatic tools have been developed for improving its detection properties.
View Article and Find Full Text PDFJ Biomol Struct Dyn
December 2024
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Biruni University, Istanbul, Türkiye.
The increasing global prevalence of Alzheimer's disease necessitates the development of novel therapeutic approaches. Neurodegenerative diseases are associated with increased oxidative stress and levels of cholinesterase enzymes. Hence, the development of cholinesterase inhibitors and antioxidants may provide neuroprotective effects.
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