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Nonlinear regulatory dynamics of bacterial restriction-modification systems modulates horizontal gene transfer susceptibility.
Nucleic Acids Res
January 2025
Quantitative Biology Group, University of Belgrade - Faculty of Biology, Studentski trg 16, Belgrade11000, Serbia.
Type II restriction-modification (R-M) systems play a pivotal role in bacterial defense against invading DNA, influencing the spread of pathogenic traits. These systems often involve coordinated expression of a regulatory protein (C) with restriction (R) enzymes, employing complex feedback loops for regulation. Recent studies highlight the crucial balance between R and M enzymes in controlling horizontal gene transfer (HGT).
View Article and Find Full Text PDFBIBR1532 inhibits proliferation and metastasis of esophageal squamous cancer cells by inducing telomere dysregulation.
World J Gastrointest Oncol
January 2025
Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China.
Background: Esophageal squamous cell carcinoma (ESCC) is a malignant tumor with high morbidity and mortality, and easy to develop resistance to chemotherapeutic agents. Telomeres are DNA-protein complexes located at the termini of chromosomes in eukaryotic cells, which are unreplaceable in maintaining the stability and integrity of genome. Telomerase, an RNA-dependent DNA polymerase, play vital role in telomere length maintain, targeting telomerase is a promising therapeutic strategy for cancer.
View Article and Find Full Text PDFBifurcations of phase portraits and chaotic behaviors of the (2+1)-dimensional double-chain DNA system with beta derivative: A qualitative approach.
Heliyon
July 2024
Department of Mathematics, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh.
Qualitative analysis in mathematical modeling has become an important research area within the broad domain of nonlinear sciences. In the realm of qualitative analysis, the bifurcation method is one of the significant approaches for studying the structure of orbits in nonlinear dynamical systems. To apply the bifurcation method to the (2 + 1)-dimensional double-chain Deoxyribonucleic Acid system with beta derivative, the bifurcations of phase portraits and chaotic behaviors, combined with sensitivity and multi-stability analysis of this system, are examined.
View Article and Find Full Text PDFThe involvements of intracellular basal calcium and membrane potential in para-phenylenediamine-impaired sperm function.
Transl Androl Urol
December 2024
Center for Reproductive Medicine, Affiliated Hospital of Nantong University, Nantong, China.
Background: Para-phenylenediamine (PPD) is a crystalline solid that belongs to the aromatic amine group, widely used in the manufacturing of various dyes. PPD exhibits toxic effects on female hormone stability, ovarian function, and embryo development. Although studies have shown that PPD exposure can damage oocyte quality in female mice, research on its effects on male reproductive capability, particularly on human sperm quality and function, is limited.
View Article and Find Full Text PDFComprehensive in silico analysis of single nucleotide polymorphism and molecular dynamics simulation of human GATA6 protein in ventricular septal defect.
Narra J
December 2024
Division of Pediatric Cardiology, Department of Pediatric, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
Congenital heart disease (CHD) represents nearly one-third of congenital birth defects annually, with ventricular septal defect (VSD) being the most common type. The aim of this study was to explore the role of specific GATA binding protein 6 gene () mutations as a potential etiological factor in the development of VSD through an in silico approach. Data were collected from the human gene databases: DisGeNET and GeneCards, with protein-protein interaction networks constructed via STRING and Cytoscape.
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