Results 91 to 100 of about 28,674 (272)
Environmental and Molecular Mutagenesis, EarlyView.Abstract Quantitative risk assessments of chemicals are routinely performed using in vivo data from rodents; however, there is growing recognition that non‐animal approaches can be human‐relevant alternatives. There is an urgent need to build confidence in non‐animal alternatives given the international support to reduce the use of animals in toxicity ...
Marc A. Beal +14 more
wiley +1 more source
Effects of an Unusual Poison Identify a Lifespan Role for Topoisomerase 2 in Saccharomyces Cerevisiae [PDF]
, 2017 A progressive loss of genome maintenance has been implicated as both a cause and consequence of aging. Here we present evidence supporting the hypothesis that an age-associated decay in genome maintenance promotes aging in Saccharomyces cerevisiae (yeast)
Baxter, Bonnie +13 more
core +2 more sources
Phytotherapy Research, EarlyView.Lung cancer (LC) remains the leading cause of global cancer‐related death. Phytochemicals from medicinal plants are increasingly being considered as potential LC treatment agents due to their multi‐targeted action, safety, and accessibility. These have anticancer properties by regulating key molecular signaling pathways.
Md. Rezaul Islam +14 more
wiley +1 more source
The role of NF-Y in the transcriptional regulation of human topoisomerase II¯ : a thesis presented to Massey University in partial fulfilment of the requirement for the degree of Master of Science in Biochemistry [PDF]
, 2001 DNA topoisomerases are ubiquitous enzymes that catalyse reactions that alter the topological state of DNA during the various processes of DNA metabolism including transcription, recombination, replication and chromosome segregation. Human cells exhibit a
Hintz, Patricia Ann
core
A new class of antibacterials, the imidazopyrazinones, reveal structural transitions involved in DNA gyrase poisoning and mechanisms of resistance [PDF]
, 2018 Imidazopyrazinones (IPYs) are a new class of compounds that target bacterial topoisomerases as a basis for their antibacterial activity. We have characterized the mechanism of these compounds through structural/mechanistic studies showing they bind and ...
Bacqué, Eric +7 more
core +2 more sources
NQO1‐Responsive Prodrug for in Cellulo Release of Cytochalasin B as Cancer Cell‐Targeted Migrastatic
Small, EarlyView.The design, synthesis, biochemical, and cell biological evaluation of the NQO1‐targeted prodrug BQTML‐CB is reported. BQTML‐CB selectively releases cytochalasin B upon activation by the quinone‐oxidoreductase NQO1 associated with invasiveness of cancer cells, representing a novel approach to improve cancer selectivity and reduce immunosuppressive ...
Mervic D. Kagho +10 more
wiley +1 more source
Small, EarlyView.Biomimetic nanocarriers based on liposomes and Myxobacteria outer‐membrane vesicles (OMVs) are effective antibiotic delivery systems. Hybrids have a higher drug loading and can target intracellular pathogens, while OMVs evade immune clearance. Biomimetic nanoantibiotics effectively eliminate the biofilms of Gram‐negative bacteria. Besides, Myxobacteria
Leila Pourtalebi Jahromi +13 more
wiley +1 more source
Two type I topoisomerases maintain DNA topology in human mitochondria
, 2022 Katja E. Menger +13 more
openalex +1 more source
Small Methods, EarlyView.Cardenolide‐functionalized extracellular vesicles enable targeted delivery of the chemotherapeutic doxorubicin to A549 lung cancer cells by binding Na+/K+‐ATPase, which is overexpressed in these cells. Surface‐modified, drug‐loaded EVs exhibit enhanced cytotoxicity compared to unmodified EVs and free drug, suggesting this system may lower the effective
Maja Dorfner +7 more
wiley +1 more source
Artemisinin Derivatives Target Topoisomerase 1 and Cause DNA Damage in Silico and in Vitro
Frontiers in Pharmacology, 2017 DNA topoisomerases 1 and 2 are enzymes that maintain DNA topology and play important essential genome functions, including DNA replication and transcription.
Onat Kadioglu +8 more
doaj +1 more source