Prostaglandins & other lipid mediators最新文献

{"title":"Exploring the diverse signaling mechanisms of 17β-estradiol deficiency and replacement: Impacts on cognitive dysfunction in a post-menopausal experimental model","authors":"Mona A. El-Bana ,&nbsp;Jihan Hussein ,&nbsp;Sherien M. El-Daly ,&nbsp;Heba H. Metwaly ,&nbsp;Mahmoud A. Abdel-Monem ,&nbsp;Enayat A. Omara ,&nbsp;Dalia Medhat","doi":"10.1016/j.prostaglandins.2025.107024","DOIUrl":"10.1016/j.prostaglandins.2025.107024","url":null,"abstract":"<div><div>This study aimed to investigate brain signaling mechanisms affected by estradiol deficiency during menopause and how these pathways are modified with 17β-estradiol replacement to mitigate menopause-related changes, particularly in cognitive function and neuroinflammation, which are linked to the risk of dementia. Forty female white albino rats were divided into four groups: control, sham, ovariectomized (OVX), and OVX rats treated with 17β-estradiol. Cognitive tests using the Morris Water Maze assessed spatial learning and memory, while neurotransmitter levels were analyzed via HPLC. Serum levels of estrogen, Nerve Growth Factor (NGF), amyloid precursor protein(Aβ), and Postsynaptic Density Protein 95 (PSD-95) were measured using ELISA. Additionally, RT-PCR was used to evaluate the expression of gap junction protein connexin-43 (Cx43), Lipoprotein receptor-related protein (LRP1), and receptor for advanced glycation end products (RAGE), and aromatase expression was assessed via immunohistochemistry. Results showed that estrogen deficiency in OVX rats led to significant impairments in cognition, neurotransmitter signaling, and neurotrophic factors. Reduced NGF and altered PSD-95 levels indicated compromised neuronal health and synaptic plasticity. Increased aromatase expression reflected reduced local estrogen synthesis, potentially contributing to cognitive deficits. Upregulated RAGE and altered LRP1 expression suggested inflammatory and neurodegenerative processes, while decreased Cx43 expression and modified Aβ processing indicated impaired intercellular communication. Overall, the findings highlight the detrimental effects of estrogen deficiency on brain function and suggest that 17β-estradiol replacement may mitigate menopause-related cognitive decline and neuroinflammation.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"180 ","pages":"Article 107024"},"PeriodicalIF":2.5,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144660066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metabolic profiling of bioactive components from Schizophyllum commune Fries in hypercholesterolemic Wistar-Kyoto rats using LC-QTOF-MS analysis","authors":"Rushitha Sadasevevam,&nbsp;Norhaniza Aminudin,&nbsp;Noorlidah Abdullah","doi":"10.1016/j.prostaglandins.2025.107011","DOIUrl":"10.1016/j.prostaglandins.2025.107011","url":null,"abstract":"<div><div>Atherosclerosis is an inflammatory condition that contributes to myocardial infarction, cardiac arrest and stroke. Current knowledge of mushroom metabolomics in the context of atherosclerosis remains inadequate. Hence, further investigation into the underlying pathways and characterization of metabolites is necessary to establish a significant network for early-stage diagnosis of atherosclerosis. Therefore, the standard phytopreparation of <em>Schizophyllum commune</em> (SPPSC) was administered in hypercholesterolemic-induced rats. Sera were evaluated for lipid profile parameters; hepatic marker enzymes and the metabolic profile characterization was determined via liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (LC-QTOF-MS). SPPSC suppressed the elevation of cholesterol, LDL, triglyceride and atherogenic coefficient levels while increased HDL concentration and restored the function of hepatic antioxidant enzymes. The predictive accuracies and partial least square discriminant analysis (PLS-DA) revealed clear separation in metabolic features between normal, untreated, olive oil and SPPSC treated groups. Pathway analysis of the most significant metabolites targeted towards anti-atherosclerotic and cardio-protective activities were tryptophan metabolism, sphingolipid metabolism, β-alanine metabolism, taurine and hypotaurine metabolism, glutathione metabolism, phenylalanine metabolism, primary bile acid biosynthesis, histidine metabolism, pantothenate and CoA biosynthesis and cysteine and methionine metabolism. Identified metabolites indicate that <em>S. commune</em> is novel in preventing atherosclerosis and enhancing endogenous antioxidant system, protecting the cardiovascular system, minimalizing inflammation and regulating endothelial dysfunction.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"179 ","pages":"Article 107011"},"PeriodicalIF":2.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144596727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phagocytosis is differentially regulated by LPS in M1- and M2-like macrophages via PGE2 formation and EP4 signaling","authors":"Rebecca Kirchhoff,&nbsp;Michel André Chromik,&nbsp;Nils Helge Schebb","doi":"10.1016/j.prostaglandins.2025.106998","DOIUrl":"10.1016/j.prostaglandins.2025.106998","url":null,"abstract":"<div><div>Phagocytosis is a key process in human innate immune response. Human macrophages are important phagocytes engulfing and neutralizing pathogens and cell debris. In addition, they modulate the inflammatory process by releasing cytokines and lipid mediators. However, the link between oxylipins and phagocytosis in different macrophage phenotypes remains poorly understood. In order to better understand the link between phagocytosis and the arachidonic acid (ARA) cascade, we established a phagocytosis assay in primary human ‘inflammatory’ M1- and ‘anti-inflammatory’ M2-like macrophages from peripheral blood mononuclear cells (PBMC), representing extremes of macrophage phenotypes. The branches of the ARA cascade were investigated by quantitative targeted proteomics and metabolomics. M1-like macrophages show a higher abundance of cyclooxygenase (COX)-2 and its products particularly after LPS stimulus compared to M2-like macrophages. LPS increased phagocytosis in M2-like, but not in M1-like macrophages. We demonstrate that the COX product prostaglandin E2 (PGE₂) modulates the differential effects of LPS on phagocytosis: Via the EP4 receptor PGE₂ signaling suppresses phagocytosis in primary human macrophages. Thus, blockage of COX, e.g. by non-steroidal anti-inflammatory drugs (NSAID), leads to an increase of phagocytosis also in ‘inflammatory’ M1-like macrophages. This supports the well-described anti-inflammatory effects of these drugs and underscores the importance of the link between the COX branch of the ARA cascade and the regulation of phagocytosis in human macrophages.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106998"},"PeriodicalIF":2.5,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144094230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnoflorine alleviates nonalcoholic fatty liver disease by modulating lipid metabolism, mitophagy and inflammation","authors":"Liming Wang,&nbsp;Yan Yang,&nbsp;Haibing Sun,&nbsp;Mengxue Fei","doi":"10.1016/j.prostaglandins.2025.106997","DOIUrl":"10.1016/j.prostaglandins.2025.106997","url":null,"abstract":"<div><h3>Background</h3><div>Nonalcoholic fatty liver disease (NAFLD) is a prevalent liver condition associated with metabolic syndrome, often aggravated by inflammation and mitochondrial dysfunction. This study aims to explore the therapeutic potential of magnoflorine, an alkaloid with known anti-inflammatory properties, in ameliorating NAFLD by modulating mitochondrial autophagy and inhibiting the NLRP3 inflammasome.</div></div><div><h3>Methods</h3><div>Male C57BL/6 J mice were fed a high-fat diet (HFD) for 16 weeks to induce NAFLD. Magnoflorine (5 and 10 mg/kg) was administered by gavage daily for 16 weeks. Liver and serum samples were analyzed for lipid profiles, inflammation markers, and autophagy-related proteins, and liver histology was examined to assess changes.</div></div><div><h3>Results</h3><div>Magnoflorine treatment improved dyslipidemia in NAFLD mice, shown by decreased serum triglycerides, total cholesterol, and LDL-C, and increased HDL-C. Histological analysis showed reduced hepatic steatosis and inflammation, with less lipid droplet accumulation and hepatocyte ballooning. Western blot results indicated upregulation of Parkin and PINK1, and downregulation of NLRP3, ASC, and caspase-1, with lower serum IL-1β levels, reflecting reduced inflammation.</div></div><div><h3>Conclusions</h3><div>Magnoflorine offers a promising approach for mitigating NAFLD progression through modulating mitochondrial autophagy and inhibiting inflammation.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106997"},"PeriodicalIF":2.5,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advances and challenges in lipid droplet isolation from animal tissues and cells","authors":"Yangli Pei,&nbsp;Siyu Wu,&nbsp;Zheng Feng","doi":"10.1016/j.prostaglandins.2025.106996","DOIUrl":"10.1016/j.prostaglandins.2025.106996","url":null,"abstract":"<div><div>Lipid droplets (LDs) are essential intracellular organelles involved in lipid storage and metabolism, playing critical roles in various cellular processes and diseases. Researchers require efficiently isolate and analyze LDs to understand lipid metabolism and related pathologies. This review summarizes recent advances in LD isolation methods, including traditional techniques such as centrifugation and density gradient centrifugation, as well as emerging technologies like automated and high-throughput approaches. We explore the applications of these methods in lipid metabolism research and discuss the challenges faced by current isolation techniques. Future directions, including automation, single-cell analysis, and integration with advanced analytical tools, are also highlighted to provide insights for the next generation of LD research.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106996"},"PeriodicalIF":2.5,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Protection of lutein against the toxic effect of cisplatin on liver in male rat","authors":"Ibrahim Aktas ,&nbsp;Fatih Mehmet Gur ,&nbsp;Sedat BILGIÇ","doi":"10.1016/j.prostaglandins.2025.106995","DOIUrl":"10.1016/j.prostaglandins.2025.106995","url":null,"abstract":"<div><h3>Objective</h3><div>A major challenge in cancer treatment is the detrimental effects of anticancer drugs on healthy organs and tissues. This study aims to investigate the protective effects of Lutein (LU) against Cisplatin (CT)-induced toxicity in rat liver, utilizing biochemical and histopathological assessments.</div></div><div><h3>Methods</h3><div>In this study, CT was administered intraperitoneally (i.p.) at a dose of 10 mg/kg, while LU was administered orally at a dose of 100 mg/kg. The experiment was conducted over a 7-day period with 28 male Sprague-Dawley rats (weighing 210–265 g, aged 11 weeks), divided into four groups (n = 7): Control, LU, CT, and CT + LU.</div></div><div><h3>Results</h3><div>CT-induced liver injury was identified as a dose-limiting side effect of CT. Compared to the CT group, the CT + LU group exhibited a significant decrease in malondialdehyde (MDA) levels and an increase in superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH) levels. In the CT group, a significant increase in the levels of gamma-glutamyl transferase (GGT), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and lactate dehydrogenase (LDH) was observed, compared to the control group (p &lt; 0.05). When comparing the CT + LU group with the CT group, a significant reduction in the levels of GGT, ALT, AST, and LDH was observed (p &lt; 0.05). Histopathological analysis revealed liver damage in the CT group, characterized by leukocyte infiltration, sinusoidal dilatation, Councilman body formation, and hepatocellular degeneration and steatosis. In contrast, the CT + LU group exhibited only mild sinusoidal dilatation, with no other significant lesions. Immunohistochemical analysis showed positive staining for tumour necrosis factor-alpha (TNF-α) and caspase-3 in the liver tissue of CT group rats, which was significantly reduced in the CT + LU group. The staining pattern in the CT + LU group was similar to that of the control and LU groups.</div></div><div><h3>Conclusion</h3><div>The results of this study suggest that LU mitigates oxidative stress, enhances antioxidant defences, and supports liver function. Furthermore, LU demonstrates a protective effect against CT-induced liver damage, indicating its potential as a pharmacological agent for preventing CT-induced hepatic injury.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106995"},"PeriodicalIF":2.5,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of highly bioavailable forms of curcumin on lipoprotein(a) plasma levels: A systematic review and meta-analysis of randomized clinical studies","authors":"Federica Fogacci ,&nbsp;Ashot Avagimyan ,&nbsp;Arturo Cesaro ,&nbsp;Marco Bernardi ,&nbsp;Francesco Perone ,&nbsp;Marina Giovannini ,&nbsp;Arrigo Francesco Giuseppe Cicero","doi":"10.1016/j.prostaglandins.2025.106994","DOIUrl":"10.1016/j.prostaglandins.2025.106994","url":null,"abstract":"<div><div>Curcumin is a bioactive compound derived from the rhizome of <em>Curcuma longa</em> (turmeric) that has garnered increasing attention for its potential health benefits. However, its use in clinical practice is limited due to its generally poor bioavailability. This issue can be overcome using novel delivery systems that enhance curcumin’s solubility, extend its residence time in plasma, improve its pharmacokinetic profile, and increase its cellular uptake. Novel curcumin formulations with improved bioavailability have been suggested to elevate plasma concentrations of lipoprotein(a) (Lp(a)), but there is no definitive evidence of a causal relationship. To address this, a systematic literature search was conducted in multiple electronic databases to identify relevant randomized placebo-controlled clinical studies published without a time limit. A meta-analysis of data suggested that dietary supplementation with highly bioavailable forms of curcumin significantly reduces Lp(a) levels [Standardized Mean Difference (SMD)= -0.96 (95 % Confidence Interval (CI): −1.82, −0.11)]. The effect size was robust in the leave-one-out sensitivity analysis and was not primarily driven by any single study. Of course, the clinical significance of this observation should be more thoroughly evaluated in longer-term trials, where the combined metabolic and anti-inflammatory effects of curcumin have vascular protective effects.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106994"},"PeriodicalIF":2.5,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oxysterols, age-related-diseases and nutritherapy: Focus on 7-ketocholesterol and 7β-hydroxycholesterol","authors":"Anne Vejux ,&nbsp;Imen Ghzaiel ,&nbsp;John J. Mackrill ,&nbsp;Irundika H.K. Dias ,&nbsp;Leila Rezig ,&nbsp;Mohamed Ksila ,&nbsp;Amira Zarrouk ,&nbsp;Thomas Nury ,&nbsp;Fatiha Brahmi ,&nbsp;Adil El Midaoui ,&nbsp;Smail Meziane ,&nbsp;Atanas G. Atanasov ,&nbsp;Sonia Hammami ,&nbsp;Norbert Latruffe ,&nbsp;Pierre Jouanny ,&nbsp;Gérard Lizard","doi":"10.1016/j.prostaglandins.2025.106993","DOIUrl":"10.1016/j.prostaglandins.2025.106993","url":null,"abstract":"<div><div>Age-related diseases are often associated with a disruption of RedOx balance that can lead to lipid peroxidation with the formation of oxysterols, especially those oxidized on carbon-7: 7-ketocholesterol (also known as 7-oxo-cholesterol) and 7β-hydroxycholesterol. Like cholesterol, these oxysterols have 27 carbons, they are composed of a sterane nucleus and have a hydroxyl function in position 3. The oxysterols 7-ketocholesterol and 7β-hydroxycholesterol are mainly formed by cholesterol autoxidation and are biomarkers of oxidative stress. These two oxysterols are frequently found at increased levels in the biological fluids (plasma, cerebrospinal fluid), tissues and/or organs (arterial wall, retina, brain) of patients with age-related diseases, especially cardiovascular diseases, neurodegenerative diseases (mainly Alzheimer’s disease), ocular diseases (cataract, age-related macular degeneration), and sarcopenia. Depending on the cell type considered, 7-ketocholesterol and 7β-hydroxycholesterol induce either caspase- dependent or -independent types of cell death associated with mitochondrial and peroxisomal dysfunctions, autophagy and oxidative stress. The caspase dependent type of cell death associated with oxidative stress and autophagy is defined as oxiapoptophagy. These two oxysterols are also inducers of inflammation. These biological features associated with the toxicity of 7-ketocholesterol, and 7β-hydroxycholesterol are often observed in patients with age-related diseases, suggesting an involvement of these oxysterols in the pathophysiology of these disorders. The cytotoxic effects of 7-ketocholesterol and 7β-hydroxycholesterol are counteracted on different cell models by representative nutrients of the Mediterranean diet: ω3 and ω9 fatty acids, polyphenols, and tocopherols. There are also evidences, mainly in cardiovascular diseases, of the benefits of α-tocopherol and phenolic compounds. These <em>in vitro</em> and <em>in vivo</em> observations on 7-ketocholesterol and 7β-hydroxycholesterol, which are frequently increased in age-related diseases, reinforce the interest of nutritherapeutic treatments to prevent and/or cure age-related diseases currently without effective therapies.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106993"},"PeriodicalIF":2.5,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143855233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An updated systematic review and meta-analysis of pomegranate consumption on lipid profile","authors":"Wengong Cheng ,&nbsp;Kaiqin Liang ,&nbsp;Aiqiong Huang","doi":"10.1016/j.prostaglandins.2025.106992","DOIUrl":"10.1016/j.prostaglandins.2025.106992","url":null,"abstract":"<div><div>Pomegranate, rich in bioactive compounds such as polyphenols and flavonoids, has been studied for its potential lipid-modulating effects, yet evidence remains inconsistent. This systematic review and meta-analysis aimed to evaluate the impact of pomegranate consumption on plasma lipid profiles by synthesizing data from randomized controlled trials (RCTs). Following PRISMA guidelines, 37 RCTs (n = 2695 participants) were included after searching Scopus and MEDLINE databases. Studies assessed pomegranate products (juice, extract, seed oil) administered orally for ≥ 7 days, with lipid parameters, including total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), triglycerides (TG) as outcomes. Data were pooled using RevMan 5.3 with random-effects models. Results indicated that pomegranate intake significantly increased HDL-C levels (mean difference: 2.50 mg/dL, 95 % CI: 1.00–4.00, <em>p</em> &lt; 0.05), while no significant changes were observed in TC, LDL-C, or TG. Subgroup analyses revealed pronounced HDL-C elevation in non-alcoholic fatty liver disease (NAFLD) patients, health participants and interventions lasting ≥ 8 weeks. Heterogeneity across studies was attributed to variations in intervention duration, dosage forms, and participant characteristics. Publication bias was nonsignificant (Egger’s test, <em>p</em> &gt; 0.05). These findings suggest that pomegranate supplementation may improve HDL-C, potentially through modulation of HDL-associated enzymes like paraoxonase. However, further large-scale, long-term RCTs are warranted to confirm these effects and explore synergistic benefits with standard lipid-lowering therapies.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106992"},"PeriodicalIF":2.5,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143842911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of walnut consumption on biomarkers of oxidative stress: A systematic review and meta-analysis of randomized controlled trials","authors":"Vali Musazadeh ,&nbsp;Mahsa Mahmoudinezhad ,&nbsp;Niloofar Hamidi ,&nbsp;Maryam Falahatzadeh ,&nbsp;Farzad Shidfar","doi":"10.1016/j.prostaglandins.2025.106986","DOIUrl":"10.1016/j.prostaglandins.2025.106986","url":null,"abstract":"<div><div>Oxidative stress is caused by an imbalance between accumulation and production of oxygen reactive species (ROS) in tissues and cells and play a key role in many diseases. This systematic review and meta-analysis of randomized controlled trials (RCTs) was performed to analyze the effects of walnut consumption on biomarkers of oxidative stress. Databases including PubMed, Scopus, Embase and Web of science were searched until November 30th, 2024. Data were subjected to meta-analysis using a random effects model to examine the effect sizes of the pooled results. Four studies were identified eligible to be included in current meta-analysis. Walnut consumption resulted in a significant increase in catalase activity (CAT) (WMD: 42.20; 95 % CI: 34.28, 50.11). Walnut consumption did not affect other biomarkers of oxidative stress such as lipid peroxidation (LPO), reduced glutathione (GSH), oxidized glutathione (GSSG) and oxygen radical absorbance capacity (ORAC). Overall, this meta-analysis demonstrated walnut consumption increase CAT, but did not affect other biomarkers of oxidative stress. This suggests that walnut may have played an indirect and mild role in health. However, due to the limited number of studies, further investigations is suggested in this regard.</div></div>","PeriodicalId":21161,"journal":{"name":"Prostaglandins & other lipid mediators","volume":"178 ","pages":"Article 106986"},"PeriodicalIF":2.5,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143768314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}