Results 81 to 90 of about 71,761 (247)

Physiologically based pharmacokinetic model combined with a clinical lactation study to determine doravirine concentrations in human breastmilk

British Journal of Clinical Pharmacology, EarlyView.
Aims To determine breastmilk concentrations of doravirine via PBPK modelling in combination with a clinical lactation study. As women living with HIV are not able to cease antiretroviral therapy during lactation, it is necessary to establish drug transfer into breastmilk to determine exposure of the infant to antiretroviral drugs and potential risk of ...
Lena van der Wekken‐Pas, David Burger, Rick Greupink, Angela Colbers   +3 more
wiley   +1 more source

Syntheses of 15N-labeled pre-queuosine nucleobase derivatives

Beilstein Journal of Organic Chemistry, 2014
Pre-queuosine or queuine (preQ1) is a guanine derivative that is involved in the biosynthetic pathway of the hypermodified tRNA nucleoside queuosine (Que). The core structure of preQ1 is represented by 7-(aminomethyl)-7-deazaguanine (preQ1 base).
Jasmin Levic, Ronald Micura
doaj   +1 more source

Pharmacokinetics of dolutegravir, tenofovir and lamivudine during venous–venous extracorporeal membrane oxygenation (VV‐ECMO): A case report

British Journal of Clinical Pharmacology, EarlyView.
While providing potentially life‐saving cardiorespiratory support for critically ill patients, extracorporeal membrane oxygenation (ECMO) may detrimentally affect pharmacokinetic (PK) performance and concurrent drug efficacy and safety. We describe a patient with Pneumocystis jirovecii pneumonia (PJP) in the context of acquired immunodeficiency ...
Tom C. Zwart, Emiel Leegwater, Thomas H. Ottens, Emile F. Schippers, Erik B. Wilms, David M. Burger, Cees van Nieuwkoop, Liesbeth B. E. Bosma   +7 more
wiley   +1 more source

Second generation silver(I)-mediated imidazole base pairs

Beilstein Journal of Organic Chemistry, 2014
The imidazole–Ag(I)–imidazole base pair is one of the best-investigated artificial metal-mediated base pairs. We show here that its stability can be further improved by formally replacing the imidazole moiety by a 2-methylimidazole or 4-methylimidazole ...
Susanne Hensel, Nicole Megger, Kristina Schweizer, Jens Müller   +3 more
doaj   +1 more source

Chemical Profiling, In Silico and In Vitro Studies to Identify Potential CDK2 and mTOR Inhibitor From Selaginella inaequalifolia (Hook. & Grev.) Spring Ethanolic Extracts

Chemistry &Biodiversity, EarlyView.
ABSTRACT The current study is aimed to reveal the phytoprofile of Selaginella inaequalifolia (Hook. & Grev.) Spring using GC–MS and predict the drug properties, toxicity, biological properties of S. inaequalifolia ethanolic extracts (SiEE) using in silico methods and in vitro toxicity assays, namely, MTT and BSLB assay.
Johnson Marimuthu Alias Antonysamy, Sivaraman Arumugam, Robin Charles Antony Arulraj, Anne Wincy Jacob Thomas, Henrique D. M. Coutinho   +4 more
wiley   +1 more source

Covalent Attachment of a Platinum(II) Complex inside DNA Duplexes

ChemistryEurope, EarlyView.
Oxidative addition is used for the site‐specific incorporation of an organometallic PtII complex as an artificial nucleobase into a DNA duplex. The platination stabilizes the duplex and confers it with phosphorescence. An organometallic phosphorescent PtII complex is introduced into DNA duplexes via oxidative addition to a tailor‐made artificial ...
Tim Schäfer, Iván Maisuls, Felix Boisten, Marian Hebenbrock, Alexander Hepp, Cristian A. Strassert, Jens Müller   +6 more
wiley   +1 more source

Enzymatic Production of Ribavirin from Purine Nucleosides byBrevibacterium acetylicumATCC 954 [PDF]

, 1988
Hideyuki Shirae, Kenzo Yokozeki, Mamoru Uchiyama, Kôji Kubota   +3 more
openalex   +1 more source

A Michaelis‐Arbuzov‐Type Pathway to a Protected 2ʹ‐Deoxy‐2ʹ‐Selenomethyl‐Adenosine‐3ʹ,5ʹ‐Phosphoroselenolate Guanosine Dinucleotide for Use in Modified m7G Cap Synthesis

Chemistry – A European Journal, EarlyView.
Here we report a synthesis of the dinucleotide 4 for a projected future total synthesis of the m7G cap 1. Highlights of the route include: 1) a 3ʹ‐H‐phosphonate/5ʹ‐selenocyanate Michaelis‐Arbuzov coupling to forge the 3ʹ,5ʹ‐phosphoroselenolate; 2) an Amosova reductive selenomethylation to install the 2ʹ‐SeMe; 3) a solid CPR II 5ʹ‐O‐phosphitylation; and
K. Lawrence E. Hale, Helen O. McCarthy, Mark G. McLaughlin   +2 more
wiley   +1 more source

Nucleosides isolated from Ophiocordyceps sinensis inhibit cigarette smoke extract-induced inflammation via the SIRT1–nuclear factor-κB/p65 pathway in RAW264.7 macrophages and in COPD mice

International Journal of COPD, 2018
Xiao Sun,1 Zhonghua Dong,1 Nan Li,1 Xiuli Feng,1 Yan Liu,1 Ang Li,1 Xiaosong Zhu,1 Chunyan Li,1 Zhongxi Zhao1–3 1School of Pharmaceutical Sciences, Shandong University, Jinan, People’s Republic of China; 2Shandong Engineering and Technology ...
Sun X, Dong Z, Li N, Feng X, Liu Y, Li A, Zhu X, Li C, Zhao Z   +8 more
doaj  

The role of circRNA polyribonucleotide nucleoside transferase 1 on gestational diabetes mellitus

, 2022
Xiaolu Chen, Jiaou Huang, Yangying Peng, Yu Han, Xiaoyan Wang, Chuanfa Tu   +5 more
openalex   +2 more sources