Results 61 to 70 of about 772,486 (361)

Hoogsteen base pairs proximal and distal to echinomycin binding sites on DNA [PDF]

open access: yes, 1987
Forms of the DNA double helix containing non-Watson-Crick base-pairing have been discovered recently based on x-ray diffraction analysis of quinoxaline antibiotic-oligonucleotide complexes.
Dervan, Peter B., Mendel, David
core   +2 more sources

Rad27/FEN1 prevents accumulation of Okazaki fragments and ribosomal DNA copy number changes

open access: yesFEBS Letters, EarlyView.
The budding yeast Rad27 is a structure‐specific endonuclease. Here, the authors reveal that Rad27 is crucial for maintaining the stability of the ribosomal RNA gene (rDNA) region. Rad27 deficiency leads to the accumulation of Okazaki fragments and changes in rDNA copy number.
Tsugumi Yamaji   +3 more
wiley   +1 more source

CBS domains form energy-sensing modules whose binding of adenosine ligands is disrupted by disease mutations [PDF]

open access: yes, 2004
CBS domains are defined as sequence motifs that occur in several different proteins in all kingdoms of life. Although thought to be regulatory, their exact functions have been unknown.
Anis, Miliea   +7 more
core   +6 more sources

The role of fibroblast growth factors in cell and cancer metabolism

open access: yesFEBS Letters, EarlyView.
Fibroblast growth factor (FGF) signaling regulates crucial signaling cascades that promote cell proliferation, survival, and metabolism. Therefore, FGFs and their receptors are often dysregulated in human diseases, including cancer, to sustain proliferation and rewire metabolism.
Jessica Price, Chiara Francavilla
wiley   +1 more source

Effect of High-Fat Diet on Cardiac Metabolites and Implications for Vulnerability to Ischemia and Reperfusion Injury

open access: yesCells
Previous work has shown that mouse models fed a non-obesogenic high-fat diet have preserved cardiac function and no obesity-associated comorbidities such as diabetes.
Jihad S. Hawi   +5 more
doaj   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

open access: yesFEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Mitochondrial ATP transporter depletion protects mice against liver steatosis and insulin resistance

open access: yesNature Communications, 2017
Adenine nucleotide translocase (ANT) 2 promotes ADP/ATP exchange across the mitochondrial inner membrane. Choet al. show that liver specific Ant2 deletion increases uncoupled respiration and protects mice against fatty liver and obesity-induced insulin ...
Joonseok Cho   +19 more
doaj   +1 more source

Regulation of Ecto-5´-Nucleotidase by Docosahexaenoic Acid in Human Endothelial Cells

open access: yesCellular Physiology and Biochemistry, 2013
Background/Aims: Modulation of extracellular adenine nucleotide and adenosine concentrations is one potential mechanism by which docosahexaenoic acid (DHA) may exert beneficial effects in critically ill patients.
Vu Thi Thom   +2 more
doaj   +1 more source

Hidden Pool of Cardiac Adenine Nucleotides That Controls Adenosine Production

open access: yesPharmaceuticals, 2023
Myocardial ischemic adenosine production decreases in subsequent events that may blunt its protective functions. To test the relation between total or mitochondrial cardiac adenine nucleotide pool (TAN) on the energy status with adenosine production ...
Magdalena A. Zabielska-Kaczorowska   +4 more
doaj   +1 more source

Stretching of a single-stranded DNA: Evidence for structural transition

open access: yes, 2009
Recent experiments have shown that the force-extension (F-x) curve for single-stranded DNA (ssDNA) consisting only of adenine [poly(dA)] is significantly different from thymine [poly(dT)].
C. R. Cantor   +5 more
core   +1 more source

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