Results 121 to 130 of about 56,630 (276)

Molecular structures of cytidine-5-diphosphate and cytidine-5-diphospho-choline, and their role in intermediary metabolism

open access: yes, 1975
The nucleotide coenzyme cytidine-5-diphospho-choline is highly folded. The CMP-5 parts of the molecules in the crystal structure are strongly linked by metal ligation and hydrogen bonds leaving the phosphoryl-choline residues relatively free.
Seshadri, TP   +3 more
core  

Studies on thermal stability of human cytidine deaminase

open access: yes, 2007
The thermal stability of human cytidine deaminase (CDA), an enzyme involved in pyrimidine metabolism was investigated. With this in view, the residues R68 and Y60, supposed to be involved in the intersubunit interactions and in the catalytic site of ...
VITA, Alberto   +6 more
core   +1 more source

Epigenetic Regulation of Liver Fibrosis: Mechanisms and Therapeutic Implications

open access: yesPortal Hypertension &Cirrhosis, EarlyView.
This review synthesizes the epigenetic mechanisms—DNA methylation, histone modifications, and non‐coding RNAs—that drive hepatic stellate cell activation and the progression of liver fibrosis. It further evaluates emerging therapeutic strategies targeting these epigenetic regulators, including DNA methyltransferase and histone deacetylase inhibitors ...
Maryam Jadid Tavaf   +8 more
wiley   +1 more source

Cytidine deaminase variants for base editing

open access: yes, 2021
Nucleotide sequences coding for variants of the cytidine deaminase protein characterised by specific point mutations, and their use in the preparation of fusion proteins with Cas-9 for use in DNA editing techniques are ...
Francesco Severi   +2 more
core  

Semi‐mechanistic population PK/PD model to aid clinical understanding of myelodysplastic syndromes following treatment with Venetoclax and Azacitidine

open access: yesCPT: Pharmacometrics &Systems Pharmacology, Volume 14, Issue 3, Page 448-459, March 2025.
Abstract Myelodysplastic syndromes (MDS) represent a group of bone marrow disorders involving cytopenias, hypercellular bone marrow, and dysplastic hematopoietic progenitors. MDS remains a challenge to treat due to the complex interplay between disease‐induced and treatment‐related cytopenias.
Neha Thakre   +5 more
wiley   +1 more source

Exploring the Fragmentation of Sodiated Species Involving Covalent‐Bond Cleavages for Metabolite Characterization

open access: yesRapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale Electrospray (ESI), the most popular desorption/ionization technique used in mass spectrometry‐based metabolomics, generates both protonated and deprotonated molecules, as well as adduct ions, sodium being the most frequent monoatomic cation entering their composition.
Annelaure Damont   +9 more
wiley   +1 more source

Exposure to Structurally Related Organophosphate Esters Elicits Distinct Metabolomic Perturbations in Daphnia magna

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Organophosphate esters (OPEs) are found ubiquitously in the environment and exposure to these chemicals has induced behavioral, developmental, and morphological impairments in several model organisms. Yet there is still a lack of understanding of how sub‐lethal exposure disrupts organism function at the molecular‐level, especially for Daphnia ...
Salwa Hajir   +4 more
wiley   +1 more source

Summary of parameters of the cytidine assay by CDA.

open access: yes, 2015
Summary of parameters of the cytidine assay by CDA.
Feiran Li (713469)   +5 more
core   +1 more source

The Functional Role and Molecular Characterization of the Therapeutic Target CLDN6 in Germ Cell Tumors

open access: yesAndrology, EarlyView.
ABSTRACT Background The tight junction protein CLDN6 has been identified as a cancer‐associated cell surface marker that is rarely expressed in healthy tissues. In testicular germ cell tumors (GCT), CLDN6 is particularly detectable in seminomas, embryonal carcinomas, and choriocarcinomas.
Jule Zwick   +7 more
wiley   +1 more source

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