Objective: In the present study, Solenostemma argel effervescent tablets were prepared from Argel methanolic extract.
Methods: The tablets were examined for their ability to impede carbon tetrachloride (CCl4)-induced lipid peroxidation in mice liver. The antioxidant activities of the enzymes; super-oxide dismutase (SOD), glutathione peroxidase (GS-PX) along with malondialdehyde level were tested in liver tissues.
Results: The obtained results indicated that the antioxidant enzyme activities were remarkably reduced while the level of Malondialdehyde (MDA), which shows lipid peroxidation, and the activity of alanine aminotransferase (a liver function test) were remarkably intensified following intra-peritoneal i.p injection with the single sub-lethal hepatotoxic dose of CCl4 compared to the control. A necrotic lesion in the liver of mice injected with CCl4 was observed by the histopathological examination. The damaging influence of CCl4 was improved by the retreatment with Argel or BHT, which could also be observed in the normal appearance of the liver tissue.
Conclusion: In this study, it was concluded that S. Argel and butylated hydroxytoluene (BHT) could be effective by decreasing lipid peroxidation and increasing the activities of antioxidant enzymes. Therefore, Argel might be applied as a hepatoprotective agent without any side effects.
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http://dx.doi.org/10.2174/1389201020666190617165300 | DOI Listing |
Nutr Neurosci
January 2025
Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
Background: Recent studies have shown that ferroptosis, a newly identified regulated cell death characterized by increased lipid peroxidation and accumulation of toxic lipid peroxides, is closely related to the pathophysiological processes of nervous system diseases which can be inhibited with iron chelators, lipophilic antioxidants, and lipid peroxidation inhibitors.
Objective: To review the current evidence on the efficacy of various natural polyphenols in nervous system injury.
Methods: The data selected for this review were collected by searching the MEDLINE/PubMed, Web of Science, Scopus, and Google Scholar database for articles published in English between 2000 and 2024 using the following terms: cell death, regulated cell death, ferroptosis, lipid peroxides, iron, and glutathione peroxidase.
BMC Infect Dis
January 2025
Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, People's Republic of China.
Objective: Long-term management of people living with HIV (PLWHs) often relies on CD4 T cell counts for assessing immune recovery, yet a single metric offers limited information. This study aimed to explore the association between the CD4/CD8 ratio and T lymphocyte activities in PLWHs.
Methods: 125 PLWHs and 31 HIV-uninfected controls (UCs) were enrolled and categorized into four groups based on their CD4/CD8 ratios: extremely low ratio (ELR) group: 0.
Nat Commun
January 2025
State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 510632, China.
Oxidative stress plays a critical role in postmenopausal osteoporosis, yet its impact on osteoblasts remains underexplored, limiting therapeutic advances. Our study identifies phospholipid peroxidation in osteoblasts as a key feature of postmenopausal osteoporosis. Estrogen regulates the transcription of glutathione peroxidase 4 (GPX4), an enzyme crucial for reducing phospholipid peroxides in osteoblasts.
View Article and Find Full Text PDFFree Radic Biol Med
January 2025
Department of Radiation Oncology, Mays Cancer Center at UT Health San Antonio MD Anderson, Joe R. and Teresa Lozano Long School of Medicine, TX, USA. Electronic address:
Manganese superoxide dismutase (MnSOD/SOD2) is an essential mitochondrial enzyme that detoxifies superoxide radicals generated during oxidative respiration. MnSOD/SOD2 lysine 68 acetylation (K68-Ac) is an important post-translational modification (PTM) that regulates enzymatic activity, responding to nutrient status or oxidative stress, and elevated levels have been associated with human illness. To determine the in vivo role of MnSOD-K68 in the heart, we used a whole-body non-acetylation mimic mutant (MnSOD) knock-in mouse.
View Article and Find Full Text PDFMar Environ Res
January 2025
ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Departamento de Estudos de Populações, Laboratório de Ecotoxicologia e Ecologia, (ECOTOX), Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; CIIMAR / CIMAR-LA - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Research Team of Aquatic Ecotoxicology and One Health, and Research Team of Contaminant Pathways in Marine Environment, Terminal de Cruzeiros do Porto de Leixões, 4450-208, Matosinhos, Portugal. Electronic address:
Potential effects of microplastics (MP, plastic particles <5 mm) on the levels of multiple stress biomarkers were investigated in wild fish populations of Cyprinus carpio, Mugil cephalus, Platichthys flesus captured in the Minho River estuary located in the Iberian Peninsula. Specimens were collected in March and September 2018, corresponding to the end of winter and summer, respectively. Based on the concentration of MP determined by FT-IR analysis and morphological inspection, fishes from each species were divided into two groups: ≤0.
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