Results 141 to 150 of about 2,144,108 (379)

Application of hepatic cytochrome b5/P450 reductase null (HBRN) mice to study the role of cytochrome b5 in the cytochrome P450-mediated bioactivation of the anticancer drug ellipticine [PDF]

open access: yes, 2019
The anticancer drug ellipticine exerts its genotoxic effects after metabolic activation by cytochrome P450 (CYP) enzymes. The present study has examined the role of cytochrome P450 oxidoreductase (POR) and cytochrome b5 (Cyb5), electron donors to P450 ...
Arlt, Volker M.   +9 more
core   +2 more sources

Animal models of lung cancer: Phenotypic comparison of different animal models of lung cancer and their application in the study of mechanisms

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Grafts used to construct lung cancer animal models come from various sources, primarily cell lines, patient‐derived tumor tissues, and circulating tumor cells. Based on the sources of grafts and research objectives, lung cancer animal models can be categorized into several types: chemical‐induced models, orthotopic transplantation models, heterotopic ...
Zixuan Yang   +7 more
wiley   +1 more source

Mitochondrial stress in advanced fibrosis and cirrhosis associated with chronic hepatitis B, chronic hepatitis C, or nonalcoholic steatohepatitis

open access: yesHepatology, EarlyView., 2022
Adaptive mitochondrial mechanisms allow mitochondrial resilience and prevent the worsening of fibrosis, while deregulation of these mechanisms promotes the progression from no/minimal‐mild (F0‐F2) fibrosis to advanced fibrosis and cirrhosis (F3‐F4). Abstract Background and Aims Hepatitis B virus (HBV) infection causes oxidative stress (OS) and alters ...
Dimitri Loureiro   +17 more
wiley   +1 more source

Traffic-Related Air Pollution and Ground-Level Ozone Associated Global DNA Hypomethylation and Bulky DNA Adduct Formation. [PDF]

open access: yesInt J Mol Sci, 2023
Munnia A   +9 more
europepmc   +1 more source

Covalent binding of styrene to DNA in rat and mouse [PDF]

open access: yes, 2017
Covalent binding of (7-3H)styrene (S) to DNA in vivo was measured and evaluated in a quantitative manner in order to investigate whether DNA adduct formation could form a mechanistic basis for tumor induction in a carcinogenicity bioassay.
Cantoreggi, Sergio, Lutz, Werner K.
core  

The major human AP endonuclease (Ape1) is involved in the nucleotide incision repair pathway [PDF]

open access: yes, 2004
In nucleotide incision repair (NIR), an endonuclease nicks oxidatively damaged DNA in a DNA glycosylase-independent manner, providing the correct ends for DNA synthesis coupled to the repair of the remaining 5'-dangling modified nucleotide.
Elder, RH   +4 more
core   +5 more sources

Research advances in dysphagia animal models

open access: yesAnimal Models and Experimental Medicine, EarlyView.
This review systematically summarizes the establishment, evaluation, and detection of dysphagia animal models in stroke, Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS) in three kinds of experimental animals (including rodents, nonhuman primates, and other mammals), providing a basis for the selection of appropriate animal models of ...
Junhui Bai   +5 more
wiley   +1 more source

c‐Rel–dependent Chk2 signaling regulates the DNA damage response limiting hepatocarcinogenesis

open access: yesHepatology, EarlyView., 2022
In response to genotoxic injury, c‐Rel upregulates ATM‐Chk2‐p53 pathway DNA damage proteins to limiting hepatocarcinogenesis. Abstract Background and Aims Hepatocellular carcinoma (HCC) is a leading cause of cancer‐related death. The NF‐κB transcription factor family subunit c‐Rel is typically protumorigenic; however, it has recently been reported as a
Jack Leslie   +17 more
wiley   +1 more source

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