Archives of Physiology and Biochemistry最新文献

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DenSFFNet: dense spiking forward fractional network for cardiovascular risk prediction using retinal fundus images in spark framework. DenSFFNet:基于spark框架下视网膜眼底图像的心血管风险预测的密集尖峰前向分数网络。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-09 DOI: 10.1080/13813455.2025.2503478
Kanchanamala P, Anuradha G, Radhika Gouni
{"title":"DenSFFNet: dense spiking forward fractional network for cardiovascular risk prediction using retinal fundus images in spark framework.","authors":"Kanchanamala P, Anuradha G, Radhika Gouni","doi":"10.1080/13813455.2025.2503478","DOIUrl":"https://doi.org/10.1080/13813455.2025.2503478","url":null,"abstract":"<p><p>Cardiovascular risk prediction identifies individuals at high risk before symptoms arise. To address challenges such as integrating diverse data, ensuring quality, and managing patient variability, the Dense Spiking Forward Fractional Network (DenSFFNet) model is introduced within the Spark framework. The process begins with image acquisition and partitioning using Deep Embedded Clustering (DEC), followed by preprocessing tasks like Greyscale Conversion, Optic Disc (OD) segmentation with Channel Prior Convolutional Attention (CPCA), and blood vessel segmentation using Frangi-Net across slave nodes. Extracted features, including Learned Invariant Feature Transformation (LIFT) and statistical metrics, are aggregated by the master node, which utilises the DenSFFNet model a combination of DenseNet and Deep Spiking Neural Network (DSNN). The DenSFFNet method attained accuracy, sensitivity, specificity, and Matthews correlation coefficient (MCC) is 91.119%, 90.366%, 89.922%, and 92.643% for dataset 1. For the RFMiD 2.0 dataset, the proposed method attained 90.881% accuracy, 90.286% sensitivity, 89.660% specificity, and 91.469% MCC.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"1-22"},"PeriodicalIF":2.5,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144257282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Living high-training low model promotes increased spontaneous physical activity, reduced adiposity and maintenance of fat-free mass in C57BL/6J mice. 生活高训练低模型促进C57BL/6J小鼠自发性体力活动增加、脂肪减少和无脂质量维持。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-06 DOI: 10.1080/13813455.2025.2507757
Juan B Orsi, Pedro P M Scariot, Emanuel E C Polisel, Lara S Araujo, Matheus R Santos, Marcelo Papoti, Fúlvia B Manchado-Gobatto, Claudio A Gobatto
{"title":"Living high-training low model promotes increased spontaneous physical activity, reduced adiposity and maintenance of fat-free mass in C57BL/6J mice.","authors":"Juan B Orsi, Pedro P M Scariot, Emanuel E C Polisel, Lara S Araujo, Matheus R Santos, Marcelo Papoti, Fúlvia B Manchado-Gobatto, Claudio A Gobatto","doi":"10.1080/13813455.2025.2507757","DOIUrl":"https://doi.org/10.1080/13813455.2025.2507757","url":null,"abstract":"<p><p>Researchers have extensively studied how hypoxia affects physiological variables, with training models like \"live high - train low\" (LH-TL) proposed by Levine & Stray-Gundersen in 1997 to improve athletic performance. Although well-known, few studies use animal models for more in-depth analyses than human studies allow. This study investigated the effects of aerobic training on adiposity, spontaneous physical activity (SPA), and food and water intake in C57BL/6J mice housed in normoxic (Nx) or hypoxic (Hx) conditions for 8 weeks. Mice were divided into trained (T) and sedentary (S) groups, with 10 mice each. Hx animals were kept in normobaric hypoxia (FiO<sub>2</sub>=14.5%) for 18 h/day. Training was done at 80% critical velocity, 5 times/week in normoxia. The T groups had lower SPA, especially the Hx-T group, which showed higher food and water intake, reduced fat, and a higher fat-free mass/carcass fat mass ratio. Findings suggest exercise and hypoxia may help combat obesity.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"1-14"},"PeriodicalIF":2.5,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144233003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The protective effects of Salusin-α against oxidative stress and inflammatory response in mice with gestational diabetes mellitus (GDM). Salusin-α对妊娠期糖尿病小鼠氧化应激和炎症反应的保护作用。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2025-02-21 DOI: 10.1080/13813455.2025.2456876
Yujie Zhang, Yi Ye, Xiaorui Jia, Pu Wang, Zheng Xiong, Hui Zhu
{"title":"The protective effects of Salusin-α against oxidative stress and inflammatory response in mice with gestational diabetes mellitus (GDM).","authors":"Yujie Zhang, Yi Ye, Xiaorui Jia, Pu Wang, Zheng Xiong, Hui Zhu","doi":"10.1080/13813455.2025.2456876","DOIUrl":"10.1080/13813455.2025.2456876","url":null,"abstract":"<p><p>Gestational diabetes mellitus (GDM) is one of the most prevalent metabolic diseases in pregnant women. In this study, we investigated the effects of Salusin-α in rodent models of GDM. We observed decreased levels of Salusin-α in the placental tissue of GDM mice. Salusin-α alleviated GDM symptoms by reducing blood glucose and increasing serum insulin levels. Further analysis revealed that Salusin-α improved lipid profiles and foetal outcomes in GDM mice. Additionally, Salusin-α mitigated oxidative and nitrosative stress in the placental tissue of GDM mice by enhancing the levels of Vitamin E, Vitamin C, and reduced GSH, while decreasing levels of TBARS and nitric oxide metabolites (nitrite + nitrate = NOx). Salusin-α also reduced the levels of MCP-1 and IL-8. Mechanically, Salusin-α inhibited the activation of p38/NF-κB by reducing phosphorylated p38 and phosphorylated NF-κB p65. In conclusion, our findings support the potential clinical application of Salusin-α as a novel peptide for molecular intervention in GDM.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"493-502"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143472082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction. 更正。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2024-11-23 DOI: 10.1080/13813455.2024.2432763
{"title":"Correction.","authors":"","doi":"10.1080/13813455.2024.2432763","DOIUrl":"10.1080/13813455.2024.2432763","url":null,"abstract":"","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"567"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142692493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Possible consequences of the abuse of anabolic steroids on different organs of athletes. 滥用合成代谢类固醇对运动员不同器官可能造成的后果。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2025-02-03 DOI: 10.1080/13813455.2025.2459283
Hamed Alizadeh Pahlavani, Ali Veisi
{"title":"Possible consequences of the abuse of anabolic steroids on different organs of athletes.","authors":"Hamed Alizadeh Pahlavani, Ali Veisi","doi":"10.1080/13813455.2025.2459283","DOIUrl":"10.1080/13813455.2025.2459283","url":null,"abstract":"<p><p><b>Objective:</b> Androgenic steroids abuse among young athletes has long-term health consequences, causing profound damage to vital organs such as the heart, blood vessels, brain, liver, gonads, kidneys, and skin.</p><p><p><b>Results:</b> In the vessels, steroids cause plaque formation, vascular calcification, thrombosis, and coronary artery disease, and in the heart, they lead to pathological fibrosis, dilated cardiomyopathy, heart failure, fatal ventricular arrhythmias, acute myocardial infarction, and reduced ejection fraction. The brain also suffers from cognitive decline, memory impairment, and a constellation of neurotransmitter abnormalities that lead to depression. In the liver, the consequences are severe and manifest as increased oxidative stress, liver dysfunction, hepatotoxicity, cholestatic jaundice, liver tumours, cell death, and elevations in liver enzymes, bilirubin, and cholesterol. Male athletes experience testicular atrophy, temporary suppression of spermatogenesis, hypogonadism, reduced fertility, infertility, and hormonal imbalance. In contrast, women experience ovarian dysfunction and menstrual irregularities. In the kidney, steroids lead to increased inflammatory cytokines, fibrosis, renal tubular hypertrophy, glomerular changes, and structural damage, and show higher levels of serum creatinine, urinary protein, and cystatin C. In athletes, steroids can lead to various skin problems such as acne, gynecomastia, prostatitis, and alopecia.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"393-409"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143078464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neem seed oil ameliorates diabetic phenotype by suppressing redox imbalance, dyslipidaemia and pro-inflammatory mediators in a rodent model of type 2 diabetes. 楝树籽油通过抑制 2 型糖尿病啮齿动物模型中的氧化还原失衡、血脂异常和促炎介质,改善糖尿病表型。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2024-11-16 DOI: 10.1080/13813455.2024.2426497
Bartholomew I C Brai, Ruth Ometere Joseph, Titilope Ruth Komolafe, Busayo Elizabeth Amosun, Olamide Olajusi Crown, Kayode Komolafe, Ifedayo Victor Ogungbe
{"title":"Neem seed oil ameliorates diabetic phenotype by suppressing redox imbalance, dyslipidaemia and pro-inflammatory mediators in a rodent model of type 2 diabetes.","authors":"Bartholomew I C Brai, Ruth Ometere Joseph, Titilope Ruth Komolafe, Busayo Elizabeth Amosun, Olamide Olajusi Crown, Kayode Komolafe, Ifedayo Victor Ogungbe","doi":"10.1080/13813455.2024.2426497","DOIUrl":"10.1080/13813455.2024.2426497","url":null,"abstract":"<p><p>The neem plant (<i>Azadirachta indica</i>) has popular ethnomedicinal applications. The anti-diabetic potential and mechanism of neem seed oil (NSO) in a rodent model of type 2 diabetes mellitus was evaluated in the present study. Experimentally-induced diabetic animals were administered NSO (200 and 400 mg/kg) or metformin (150 mg/kg) orally for 30 days, with some animals serving as positive and negative controls. NSO significantly (<i>p</i> < .05) reversed diabetes-induced impaired glucose metabolism, dyslipidaemia, and oxido-inflammatory imbalances typified by changes in the NADH/NAD+ ratio (<i>p</i> < .001) and increases in the mRNA or protein levels of C-reactive protein, 4-hydroxynonenal, and pro-inflammatory cytokines (TNF-α and Il-1β) among others in the hepatic or pancreatic tissues of diabetic animals. The histological evaluation of the pancreatic tissue corroborated the protective effect of NSO. The findings showed that the antidiabetic effect of NSO proceeded through its hypolipidemic effect and modulation of redox and inflammatory signalling events in the tissues of animals.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"351-365"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research advance in mesenchymal stem cell-based therapy for diabetic nephropathy. 间充质干细胞治疗糖尿病肾病的研究进展。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2024-12-30 DOI: 10.1080/13813455.2024.2447532
Yan Hui, Yuyang Dong, Yi Liu
{"title":"Research advance in mesenchymal stem cell-based therapy for diabetic nephropathy.","authors":"Yan Hui, Yuyang Dong, Yi Liu","doi":"10.1080/13813455.2024.2447532","DOIUrl":"https://doi.org/10.1080/13813455.2024.2447532","url":null,"abstract":"<p><p>Diabetic nephropathy (DN) is the main cause of end-stage kidney disease and has become a global public health problem. Currently, treatment of DN is limited to alleviating disease progression rather than curing diseases or restoring renal function, thus more effective therapeutic strategies against DN are urgently needed. Mesenchymal stem cells (MSCs) have been widely applied in the prevention and treatment of DN. Preclinical studies have proved that MSCs exhibited favourable therapeutic effects on DN by regulation of hyperglycaemia, reduction of urinary albumin, and protecting renal function. Hence this review provides an overview of the biological properties of MSCs, summarises the regulatory mechanisms of MSC-based therapy for DN, presents ongoing or completed clinical trials, as well as discusses the potential challenges and new strategies of MSCs in the treatment of DN, with the aim of providing a balanced and unbiased view of MSC transplantation as promising therapeutic strategies for DN.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":"131 3","pages":"379-392"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144246180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Boldine reduces left ventricle oxidative stress in isoproterenol-induced adrenergic overload experimental model. Boldine降低异丙肾上腺素诱导的肾上腺素能过载实验模型左心室氧化应激。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2024-12-22 DOI: 10.1080/13813455.2024.2441363
Elissa Kerli Fernandes, Patrick Türck, Cristina Campos Carraro, Silvio Tasca, Isabel Cristina Teixeira Proença, Victor De Mello Palma, Fernanda Visioli, Iraci Lucena Da Silva Torres, Adriane Belló-Klein, Alexandre Luz De Castro, Alex Sander Da Rosa Araujo
{"title":"Boldine reduces left ventricle oxidative stress in isoproterenol-induced adrenergic overload experimental model.","authors":"Elissa Kerli Fernandes, Patrick Türck, Cristina Campos Carraro, Silvio Tasca, Isabel Cristina Teixeira Proença, Victor De Mello Palma, Fernanda Visioli, Iraci Lucena Da Silva Torres, Adriane Belló-Klein, Alexandre Luz De Castro, Alex Sander Da Rosa Araujo","doi":"10.1080/13813455.2024.2441363","DOIUrl":"10.1080/13813455.2024.2441363","url":null,"abstract":"<p><p>Sustained adrenergic overload in the heart causes maladaptive cardiac remodelling, which involves oxidative stress. Boldine (BOL) has antioxidant activity and represents a novel therapeutic approach. This study explored the cardioprotective role of BOL in adverse left ventricular remodelling induced by isoproterenol. The rats were divided into four groups: control; BOL (25 mg/kg daily); isoproterenol (ISO) (5 mg/kg daily), and ISO + BOL. Morphometric, echocardiographic, and oxidative stress parameters were evaluated. BOL attenuated both cardiac hypertrophy and increased diastolic volume caused by adrenergic overstimulation (P < 0.05). BOL treatment reduced lipid peroxidation induced by ISO (ISO vs. ISO + BOL; P < 0.05), and this effect was associated with increased superoxide dismutase (SOD) (ISO vs. ISO + BOL; P < 0.05) and glutathione-S-transferase levels (GST) (ISO vs. ISO + BOL; P < 0.05). This data suggest that BOL may improve cardiac oxidative stress and attenuate some parameters of adverse cardiac remodelling.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"445-454"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the clinical significance of BTG1 gene expression and pepsinogen in serum and cancerous tissue and gastric atrophy. BTG1基因表达及胃蛋白酶原在血清、癌组织及胃萎缩中的临床意义
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2025-02-23 DOI: 10.1080/13813455.2025.2458560
Yousef Paridar, Homa Hosseinpour, Maysam Mard-Soltani, Somayeh Pouria Mehr, Neda Shakerian, Davood Alinezhad Dezfuli, Saeed Khalili, Mohammad Reza Abyaz
{"title":"Evaluation of the clinical significance of BTG1 gene expression and pepsinogen in serum and cancerous tissue and gastric atrophy.","authors":"Yousef Paridar, Homa Hosseinpour, Maysam Mard-Soltani, Somayeh Pouria Mehr, Neda Shakerian, Davood Alinezhad Dezfuli, Saeed Khalili, Mohammad Reza Abyaz","doi":"10.1080/13813455.2025.2458560","DOIUrl":"10.1080/13813455.2025.2458560","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to assess the expression changes of BTG1, PGI, and PGII in tissues and serum of patients with gastric cancer, atrophic gastritis, and healthy individuals.</p><p><strong>Methods: </strong>QRT-PCR was used to measure BTG1, PGI, and PGII expression in 30 cancers, 30 atrophic gastritis, and 30 healthy tissue samples. Serum levels of PGI and PGII were measured using ELISA. Statistical tests included the Mann-Whitney U and independent T-test. Covariates like tumour stage and <i>H. pylori</i> status were considered.</p><p><strong>Results: </strong>BTG1 expression was significantly lower in cancer and gastritis tissues. Serum PGI and PGII levels were significantly reduced in cancer patients (<i>P</i> ≤ 0.001).</p><p><strong>Discussion: </strong>The PGI/PGII ratio in serum emerged as a strong non-invasive biomarker for distinguishing cancer from healthy individuals. While BTG1 provides insights into gastric carcinogenesis, its clinical utility is limited due to the need for tissue samples. The serum-based PGI/PGII ratio shows greater promise as a non-invasive screening tool for GC.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"503-512"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Melatonin improves adverse vascular remodelling and redox homeostasis in monocrotaline-induced pulmonary arterial hypertension. 褪黑素可改善单芥碱诱导的肺动脉高压的不良血管重构和氧化还原稳态。
IF 2.5 4区 医学
Archives of Physiology and Biochemistry Pub Date : 2025-06-01 Epub Date: 2025-01-02 DOI: 10.1080/13813455.2024.2446822
Silvio Tasca, Patrick Türck, Daniela Drosdowski, Cristina Campos Carraro, Adriane Belló-Klein, Alexandre Luz De Castro, Alex Sander Da Rosa Araujo
{"title":"Melatonin improves adverse vascular remodelling and redox homeostasis in monocrotaline-induced pulmonary arterial hypertension.","authors":"Silvio Tasca, Patrick Türck, Daniela Drosdowski, Cristina Campos Carraro, Adriane Belló-Klein, Alexandre Luz De Castro, Alex Sander Da Rosa Araujo","doi":"10.1080/13813455.2024.2446822","DOIUrl":"10.1080/13813455.2024.2446822","url":null,"abstract":"<p><p>This study explored the effects of melatonin on cardiac and vascular function, and redox homeostasis in model PAH. Male Wistar rats were divided into: control (CTR), monocrotaline [MCT (60 mg/kg, single dose i.p)], monocrotaline + sildenafil [MCT + SIL (50 mg/kg/day)], and monocrotaline + melatonin [MCT + MEL (10 mg/kg/day)]. This protocol lasted 21 days. Echocardiographic, morphometric, histological, vascular reactivity, and oxidative/nitrosative stress analyses were performed. The reduced diastolic function and AT/ET ratio in the MCT group were partially attenuated by melatonin and sildenafil treatment (<i>p</i> < 0.05). Increased RV hypertrophy and pulmonary congestion were reduced by both treatments (<i>p</i> < 0.05). MCT-induced pulmonary arteriolar muscle layer hypertrophy was also reduced by both treatments (<i>p</i> < 0.05). MCT and MCT + SIL present diminished vasorelaxation as compared to control (<i>p</i> < 0.05). Augmented oxidative/nitrosative stress and reduced glutathione-s-transferase activity in MCT were mitigated by both treatments (<i>p</i> < 0.05). Then, melatonin was as effective as sildenafil against PAH-induced oxidative stress and pathological vascular remodelling.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":" ","pages":"455-466"},"PeriodicalIF":2.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142913757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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