Results 41 to 50 of about 37,185 (261)

In Vitro and In Silico Studies of Human Tyrosyl-DNA Phosphodiesterase 1 (Tdp1) Inhibition by Stereoisomeric Forms of Lipophilic Nucleosides: The Role of Carbohydrate Stereochemistry in Ligand-Enzyme Interactions

Molecules, 2022
Inhibition of human DNA repair enzyme tyrosyl-DNA phosphodiesterase 1 (Tdp1) by different chiral lipophilic nucleoside derivatives was studied. New Tdp1 inhibitors were found in the series of the studied compounds with IC50 = 2.7–6.7 μM.
Nadezhda S. Dyrkheeva, Irina A. Chernyshova, Georgy A. Ivanov, Yuri B. Porozov, Anastasia A. Zenchenko, Vladimir E. Oslovsky, Alexandra L. Zakharenko, Darina I. Nasyrova, Galina N. Likhatskaya, Sergey N. Mikhailov, Olga I. Lavrik, Mikhail S. Drenichev   +11 more
doaj   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

FEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

The Prevailing Catalytic Role of Meteorites in Formamide Prebiotic Processes

Life, 2018
Meteorites are consensually considered to be involved in the origin of life on this Planet for several functions and at different levels: (i) as providers of impact energy during their passage through the atmosphere; (ii) as agents of geodynamics ...
Raffaele Saladino, Lorenzo Botta, Ernesto Di Mauro   +2 more
doaj   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

Molecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla, Christopher Dirks, Caroline Eiden, Sonja K. Fesenmayer, Femke M. Hormann, Yolande Klootsema, Ingrid Lilienthal, Si Min Zhang, Nikolas Herold, Sean G. Rudd   +9 more
wiley   +1 more source

Root-secreted nucleosides: signaling chemoattractants of rhizosphere bacteria

Frontiers in Plant Science
The rhizosphere is a complex ecosystem, consisting of a narrow soil zone influenced by plant roots and inhabited by soil-borne microorganisms. Plants actively shape the rhizosphere microbiome through root exudates.
Guy Keren, Galit Yehezkel, Lakkakula Satish, Zahar Adamov, Ze’ev Barak, Shimon Ben-Shabat, Varda Kagan-Zur, Yaron Sitrit, Yaron Sitrit   +8 more
doaj   +1 more source

Pd0-Catalyzed Methyl Transfer on Nucleosides and Oligonucleotides, Envisaged as a PET Tracer

Molecules, 2013
The methyl transfer reaction from activated monomethyltin, via a modified Stille coupling reaction, was studied under “ligandless” conditions on fully deprotected 5'-modified nucleosides and one dinucleotide. The reaction was optimized to proceed in
Eric Fouquet, Magali Szlosek-Pinaud, Jean-Marc Escudier, Damien James   +3 more
doaj   +1 more source

Single‐cell DNA methylation profiling: Technologies, computation, and applications in precision oncology

Molecular Oncology, EarlyView.
Single‐cell DNA methylation (scDNAme) profiling maps epimutational clonal evolution, revealing mechanisms of malignancy and therapeutic resistance across diverse cancer types. By providing a high‐resolution landscape of intratumoral heterogeneity, these technologies empower precise patient stratification, guide the development of enhanced ...
Ik Soo Kim
wiley   +1 more source

Synthesis, antiproliferative activity, and in silico ADMETox profiling of 4-quinolone-3-carboxamides as selective anticancer agents in cervical cancer cells

Results in Chemistry
The development of selective anticancer agents with improved safety profiles and favorable pharmacokinetic properties remains a major challenge in medicinal chemistry.
Thiago Mota do Vale, Leticia Machado dos Santos, Julio Cesar Thurler-Jr, Milena França Longue, Jordana de Paula Alves, Caio Henrique Pinke Rodrigues, Larissa Silva de Oliveira Mota, Marcela Cristina de Moraes, Vinicius D'Ávila Bitencourt Pascoal, Maria Cecília Bastos Vieira de Souza, Aislan Cristina Rheder Fagundes Pascoal, Fernanda da Costa Santos Boechat   +11 more
doaj   +1 more source

Targeting transcription factors associated with hemoglobinopathies: Lessons from successful interventions and implications for cancer

Molecular Oncology, EarlyView.
This review summarizes the transcription factors, repressive chromatin‐modifying complexes, and epigenetic mechanisms that control fetal hemoglobin repression. Notably, many regulators of γ‐globin silencing also function in transcriptional and epigenetic networks that drive cancer, highlighting opportunities to translate advances in hemoglobinopathy ...
Meigen Yu, Puspa Das, Xing Zhang, Xiaodong Cheng   +3 more
wiley   +1 more source