Glutathione levels were found to be decreased while lipid peroxide levels were increased in total liver homogenates 6 h following paracetamol treatment (500 mg kg-1 i.p.). Furthermore, it has been determined that cytosolic glutathione S-transferase (GST) activity was decreased and glutathione peroxidase (GSH-Px) activity remained unchanged. On the other hand, a decrease in liver microsomal lipid peroxide levels and an increase in GST and GSH-Px activity has been observed. We concluded that decreased lipid peroxide levels in microsomes could be a consequence of increased GSH-Px and GST enzyme activities. In this way, these glutathione-related defence enzyme systems may play an important role in protecting microsomes from lipid peroxidation.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1002/jat.2550140410 | DOI Listing |
Front Plant Sci
January 2025
Institute of Chinese Materia Medica, Shaanxi Provincial Academy of Traditional Chinese Medicine, Xi'an, Shaanxi, China.
Drought stress inhibits Bunge () seedling growth and yield. Here, we studied the effects of drought stress on the different parts of seedlings through physiological, transcriptomic, and metabolomics analyses, and identified key genes and metabolites related to drought tolerance. Physiological analysis showed that drought stress increased the accumulation of hydrogen peroxide (HO), enhanced the activity of peroxidase (POD), decreased the activity of catalase (CAT) and the contents of chlorophyll b and total chlorophyll, reduced the degree of photosynthesis, enhanced oxidative damage in seedlings, and inhibited the growth of plants.
View Article and Find Full Text PDFCell Death Discov
January 2025
School of Life Sciences, Zhuhai College of Science and Technology, Zhuhai, Guangdong, China.
Lung carcinoma incidence and fatality rates remain among the highest on a global scale. The efficacy of targeted therapies and immunotherapies is commonly compromised by the emergence of drug resistance and other factors, resulting in a lack of durable therapeutic benefits. Ferroptosis, a distinct pattern of cell death marked by the buildup of iron-dependent lipid peroxides, has been shown to be a novel and potentially more effective treatment for lung carcinoma.
View Article and Find Full Text PDFBioresour Technol
January 2025
Department of Food Science and Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105 China. Electronic address:
Microalgal exopolysaccharides (EPS) possess significant functional benefits across various industrial sectors, but their commercial feasibility is constrained by inefficient synthesis and poorly understood synthesis mechanisms. This study found that 1.25 mmol/L sodium bisulfite promoted EPS accumulation to 224.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
January 2025
Department of Traditional Chinese Medicine, Zigong First People's Hospital, Zigong, Sichuan, China.
Background: The effects of resveratrol supplementation on inflammation and oxidative stress in patients with type 2 diabetes mellitus (T2DM) were controversial. A meta-analysis was performed to assess the changes in levels of inflammation and oxidative stress in patients with T2DM.
Methods: Relevant literatures before November 6, 2024 were screened through Web of Science,Embase,the Cochrane Library and other sources (ClinicalTrials, ProQuest Dissertations and Theses).
Front Oncol
January 2025
Department of Radiation Oncology, Qingdao People's Hospital Group (Jiaozhou), Jiaozhou Central Hospital of Qingdao, Qingdao, China.
Background: Ferroptosis is a cell death mode caused by excessive accumulation of lipid peroxides caused by disturbance of intracellular metabolic pathway, which is closely related to iron and cholesterol metabolism homeostasis. Its regulation within the hypoxic metabolic tumor microenvironment (TME) has the potential to improve the effectiveness of tumor immunotherapy. The predictive role of ferroptosis in gastric cancer (GC) hypoxia TME, particularly in relation to TME immune cell infiltration, has not been fully explained.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!