Results 91 to 100 of about 47,484 (302)

RNA‐centric world of retroviruses: unravelling the molecular strategies of genomic RNA packaging

open access: yesBiological Reviews, EarlyView.
ABSTRACT Retroviruses constitute a unique group of RNA viruses that have profoundly influenced both evolutionary trajectories and biomedical research. Their ability to reverse transcribe and integrate into host genomes has shaped genomic architecture across species and contributed to our understanding of oncogenes, gene regulation, and RNA biology ...
Mohammad Abdullah Jehad   +5 more
wiley   +1 more source

Highly Potent Fluorogenic Ligands for Triplex DNA: 5‐Substituted 2‐(Naphthalen‐2‐yl)‐4H‐Chromen‐4‐Ones

open access: yesChemistry – A European Journal, EarlyView.
5‐Substituted 2‐(naphthalen‐2‐yl)‐4H‐chromen‐4‐ones are reported as a novel class of highly potent and selective triplex DNA ligands. These ligands induce triplex formation at submicromolar concentrations and inhibit enzymatic activity via ligand‐mediated triplex formation.
Nghia Tran   +4 more
wiley   +1 more source

Dampening of neurotransmitter action: molecular similarity within the melatonin structure

open access: yesEndocrine Regulations, 2018
Objectives. Melatonin initiates physiologic and therapeutic responses in various tissues through binding to poorly defined MT receptors regulated by G-proteins and purine nucleotides.
Williams Wynford R.
doaj   +1 more source

Targeting the purine salvage pathway in in vitro models of cerebral ischemia [PDF]

open access: yes
An interruption of the blood supply to the brain, as occurs during ischemic stroke, results in a rapid decline of ATP levels and a subsequent loss of neuronal function and viability.
Zur Nedden, Stephanie
core  

Control of Gemcitabine Activity With Blue and Red Light

open access: yesChemistry – A European Journal, EarlyView.
Treating cancer with chemotherapy is generally associated with many side effects, which can be addressed by selectively releasing the desired drugs with visible light. Sixteen new blue light‐activatable cytostatics were introduced, with the gemcitabine derivative exhibiting ideal properties.
Nils F. Kersten   +6 more
wiley   +1 more source

Metabolic abnormalities and reprogramming in cats with naturally occurring hypertrophic cardiomyopathy

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1256-1270, April 2025.
Abstract Background and aims The heart is a metabolic organ rich in mitochondria. The failing heart reprograms to utilize different energy substrates, which increase its oxygen consumption. These adaptive changes contribute to increased oxidative stress.
Qinghong Li   +12 more
wiley   +1 more source

Phase separation of the PRPP amidotransferase into dynamic condensates promotes de novo purine synthesis in yeast.

open access: yesPLoS Biology
De novo purine synthesis (DPS) is up-regulated under conditions of high purine demand to ensure the production of genetic materials and chemical energy, thereby supporting cell proliferation.
Masak Takaine   +3 more
doaj   +1 more source

RNA Catabolites Contribute to the Nitrogen Pool and Support Growth Recovery of Wheat

open access: yesFrontiers in Plant Science, 2018
Turn-over of RNA and catabolism of nucleotides releases one to four ammonia molecules; the released nutrients being reassimilated into primary metabolism.
Vanessa Jane Melino   +8 more
doaj   +1 more source

Purine nucleotides stimulate DNA synthesis in kidney epithelial cells in culture [PDF]

open access: yes, 1985
Adenine nucleotides infused into animals with acute renal failure appear to enhance recovery of kidney function and structure. To determine whether these compounds could act by a direct effect on renal cell metabolism, their capacity to stimulate DNA ...
F. G. Toback, S. Kartha
core   +1 more source

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