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COVID 19 m-RNA (Pfizer) vaccination impairs cardiac functions in adult male rats COVID - 19 m-RNA(辉瑞)疫苗接种损害成年雄性大鼠的心功能
Pub Date : 2023-07-01 DOI: 10.21608/besps.2023.213045.1144
Ghida Hassan, Marwa Tarek
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引用次数: 1
Protective effect of Vitamin D against type II diabetic nephropathy in rats: a possible role of adropin 维生素D对大鼠II型糖尿病肾病的保护作用:adropin的可能作用
Pub Date : 2023-07-01 DOI: 10.21608/besps.2023.203879.1137
M. Allam, N. Mohamed, H. Abdallah, N. El-shaer, Mohamed Y. Salem
Background: Diabetic nephropathy (DN) is a common complication among type II diabetic patients which may lead to end stage renal disease. Oxidative stress has been found to play a part in the pathophysiology of DN. Several studies have demonstrated the effective nephroprotective role of vitamin D to counteract the progression of DN, although the exact mechanisms are not yet fully understood. Adropin release has been recently linked to be one of the vitamin D effects and was reported to exert its antioxidant effects via nuclear factor erythroid 2-related factor 2 (Nrf2). Aim: To examine the nephroprotective effects of Vitamin D focusing on adropin-Nrf2 axis as one of the possible underlying mechanisms of vitamin D in rats. Materials and Methods: Thirty two albino male adult rats were used in this experiment. Rats were randomly and equally divided into four groups:(GI) was the control, (GII) received vitamin D, (GIII) was the diabetic model, and (GIV) was the diabetes+ vitamin D group. Results: Rats that received vitamin D (0.03 µg/kg/day) for 8 weeks revealed significant lower insulin resistance and oxidative stress state, a significant improvement of kidney dysfunction that was confirmed with histopathological examinations for kidney, and significantly higher levels of serum adropin in association with a significant higher renal mRNA expression of Nrf2. Conclusion: Vitamin D administration has a renoprotective effect in DN in type II diabetic rats. The antioxidant effects of vitamin D may be in part related to the adropin- Nrf2 axis.
背景:糖尿病肾病(DN)是II型糖尿病患者常见的并发症,可能导致终末期肾脏疾病。氧化应激已被发现在DN的病理生理中起作用。一些研究已经证明了维生素D有效的肾保护作用,以抵消DN的进展,尽管确切的机制尚不完全清楚。Adropin的释放最近被认为是维生素D的作用之一,并被报道通过核因子-红细胞2相关因子2 (Nrf2)发挥其抗氧化作用。目的:探讨维生素D对大鼠肾保护作用的机制之一,探讨维生素D对肾上腺素- nrf2轴的作用。材料与方法:选用雄性成年白化大鼠32只。将大鼠随机平均分为4组:(GI)为对照组,(GII)给予维生素D, (GIII)为糖尿病模型,(GIV)为糖尿病+维生素D组。结果:连续8周服用维生素D(0.03µg/kg/天)的大鼠胰岛素抵抗和氧化应激状态明显降低,肾脏组织病理学检查证实肾功能明显改善,血清adropin水平显著升高,肾脏Nrf2 mRNA表达显著升高。结论:维生素D对2型糖尿病大鼠DN有肾保护作用。维生素D的抗氧化作用可能部分与adropin- Nrf2轴有关。
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引用次数: 0
Study of Toll -like Receptor 4 and Colony Stimulating Factor 2 Gene Expression for Early Recognition of Axial Spondyloarthritis Changes in Psoriatic cases. Toll样受体4和集落刺激因子2基因表达对银屑病中轴性脊柱炎早期识别的研究
Pub Date : 2023-07-01 DOI: 10.21608/besps.2023.209806.1142
M. Ellaithy, Sherin S Elnaidany, W. Shehata, D. Saif, S. El-Hefnawy
Background: About 30% of cases with psoriasis will suffer from psoriatic arthritis (PsA). Heritable element plays a role in PsA as different genes are involved. However, few genes are involved in both psoriasis and PsA. This study aimed to investigate the predictive value of Toll-like receptor (TLR) 4 and colony stimulating factor (CSF) 2 gene expression for early detection of axial spondyloarthritis in psoriatic patients. Methods: This study included 200 subjects; 100 psoriatic patients, subdivided into two groups; Group 1: included 66 patients with plaque psoriasis without any articular complaint, and Group 2: included 44 patients with psoriatic arthritis. Group 3 included: 100 age and sex matched healthy controls. Laboratory assessment of TLR4 and CSF2 gene expression by real time polymerase chain reaction technique, and axial joint radiological assessment by Magnetic Resonance Imaging. Results: There were significant increase of CSF2 and TLR4 gene expression levels in cases compared with controls (p <0.001) for both. Additionally, a significant rise of CSF2 and TLR4 gene expression levels in cases with psoriatic arthritis compared to cases with psoriatic skin affection only (U=2.45, p= 0.01, 3.34, p= 0.001 respectively. Receiver operating characteristic curve done for earlier detection of sub-clinical changes of axSpA regarding positive MRI results in cases with psoriasis and PsA respectively with P value <0.001. Conclusion: TLR4 and CSF2 gene expression have strong predictive value in early detection of axial SpA changes in asymptomatic and non-radiographic psoriatic patients which is equivalent and equal to the MRI predictive value.
背景:大约30%的银屑病患者会出现银屑病关节炎(psoriatic arthritis, PsA)。遗传因素在PsA中起作用,涉及不同的基因。然而,很少有基因同时参与牛皮癣和PsA。本研究旨在探讨toll样受体(TLR) 4和集落刺激因子(CSF) 2基因表达对银屑病患者轴型脊柱炎早期检测的预测价值。方法:本研究纳入200名受试者;100例银屑病患者,再分为两组;组1:无关节疾患的斑块型银屑病患者66例,组2:银屑病关节炎患者44例。第三组包括:100名年龄和性别匹配的健康对照者。实时聚合酶链反应技术检测实验室TLR4和CSF2基因表达,磁共振成像检测轴关节放射学。结果:与对照组相比,病例中CSF2和TLR4基因表达水平显著升高(p <0.001)。此外,银屑病关节炎患者的CSF2和TLR4基因表达水平较仅银屑病皮肤病患者显著升高(U=2.45, p= 0.01, 3.34, p= 0.001)。分别对银屑病和PsA患者MRI阳性的axSpA亚临床变化做受试者工作特征曲线,P值<0.001。结论:TLR4和CSF2基因表达对无症状、无影像学表现的银屑病患者轴向SpA变化的早期检测具有较强的预测价值,与MRI预测价值相当且相等。
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引用次数: 0
Studying the effect of vitamin B12 and folic acid on the levels of brain-derived neurotrophic factor in the blood and the brain of obese male rats. 研究维生素B12和叶酸对肥胖雄性大鼠血液和大脑中脑源性神经营养因子水平的影响。
Pub Date : 2023-04-01 DOI: 10.21608/besps.2023.201192.1136
Ayda Maryoud, Rasha Elghaba, G. Gad, S. El-Desouky, M. Adel
Objective: We aimed to investigate the potential benefits and mechanisms of vitamin B12 and folic acid supplementation in obesity. Materials and methods: Thirty two Sprague-Dawley rats were separated into four groups, eight rats each: controls were fed normal chow diet (ND), obese controls were fed high fat diet (HFD) (60% of their diet as saturated fats), vitamin B12-treated rats were fed HFD concomitant with an intraperitoneal injection of 1 mg/kg/day of vitamin B12 for 5 days in week, and folic acid-treated rats were fed HFD with a concomitant administration of 50 mg/kg day of folic acid by gastric gavage, all for 12 weeks. At the end of the experiment, behavioural tests were performed, and blood samples were gathered for lipid profiles, serum vitamin B12, folic acid, and BDNF. The hippocampus and hypothalamus were isolated for oxidative stress and BDNF testing. Results: Obese rats showed hypercholesterolemia, hypertriglyceridemia (TG), hyperleptinemia, elevated oxidative stress markers, and a decline in cognitive and behavioural test parameters. Obesity had a negative effect on BDNF levels in the blood, hypothalamus, and hippocampus, which was reversed by the administration of vitamin B12 and folic acid. Treatment with vitamin B12 resulted in a significant rise in BDNF levels, a decrease in serum total cholesterol and TG, and a significant improvement in cognitive functions and behavioural test parameters. However, while the folic acid improved cognitive function parameters and oxidative stress markers, it had no effect on the lipid profile and showed a non-significant increase in BDNF levels. Conclusions: Obesity decreased BDNF levels in the hippocampus and hypothalamus, which was reversed by vitamin B12 and folic acid treatment, they are therefore an intriguing therapeutic approach for obesity and associated cognitive decline.
目的:探讨补充维生素B12和叶酸对肥胖的潜在益处及其机制。材料与方法:将32只sd大鼠分为4组,每组8只;对照组饲喂正常饲料(ND),肥胖对照组饲喂高脂饲料(HFD)(60%的饲料为饱和脂肪),维生素B12处理大鼠饲喂高脂饲料同时腹腔注射维生素B12 1 mg/kg/天,每周5天,叶酸处理大鼠饲喂高脂饲料同时灌胃给予叶酸50 mg/kg/天,均为12周。实验结束时,进行行为测试,并采集血液样本进行血脂、血清维生素B12、叶酸和BDNF检测。分离海马和下丘脑进行氧化应激和BDNF检测。结果:肥胖大鼠表现为高胆固醇血症、高甘油三酯血症(TG)、高瘦素血症、氧化应激标志物升高,认知和行为测试参数下降。肥胖对血液、下丘脑和海马体中的BDNF水平有负面影响,而服用维生素B12和叶酸可以逆转这种影响。用维生素B12治疗导致BDNF水平显著上升,血清总胆固醇和TG降低,认知功能和行为测试参数显著改善。然而,虽然叶酸改善了认知功能参数和氧化应激标志物,但它对血脂没有影响,BDNF水平也没有显著增加。结论:肥胖降低了海马和下丘脑的BDNF水平,维生素B12和叶酸治疗可以逆转这一现象,因此它们是治疗肥胖和相关认知能力下降的一种有趣的方法。
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引用次数: 0
Fetuin-A Ameliorates Lipopolysaccharide-induced Depressive-Like Behavior in Rats Targeting Caspase-1/BDNF/CREB Pathway 针对Caspase-1/BDNF/CREB通路,胎儿素a改善脂多糖诱导的大鼠抑郁样行为
Pub Date : 2023-04-01 DOI: 10.21608/besps.2022.171592.1131
E. Basha, H. Faheem, H. Ibrahim, R. Ismail, Mounira Seleem, Alaa Elkordy, Haidy Khattab
Depression is a mental illness that seriously harms human health. Therefore, it is crucial to create antidepressant treatments that are effective and powerful. Fetuin-A is a multifunctional glycoprotein mainly released by hepatocytes; it has a complex role in inflammatory processes. We aimed to examine the effect of fetuin-A on lipopolysaccharide-induced depressive like behavior in rats. Forty male albino rats were randomly categorized into four groups; Group I: Control group: (saline + vehicle) for 10 days, Group II: Control treated by fetuin-A group: fetuin-A (100 mg/kg/day) for 10 days, Group III: Depression group: 0.5 mg/kg lipopolysaccharide for 10 days, Group IV: Depression treated with fetuin-A group: Lipopolysaccharide (0.5 mg/kg) for 10 days followed by fetuin-A (100 mg/kg) for 10 days. Behavioral impairments were evaluated. Brain levels of malondialdehyde (MDA) and glutathione peroxidase (GPX) were estimated. The levels of tumor necrosis factor-alpha (TNF-α), interleukin (IL) IL-6, and brain-derived neurotrophic factor (BDNF), were measured by ELISA. AMPA glutamate receptors (AMPARs GluA1&2), caspase-1 and cAMP response element-binding protein (CREB) mRNA expression by real-time PCR were done. Histopathological assessment of hippocampus was done. Our results revealed that fetuin-A effectively ameliorated LPS-induced behavioral tests impairment through increasing BDNF and CREB. Additionally, fetuin-A treatment caused a decrease in the levels of MDA, TNF-α and IL-6 together with concomitant elevation of GPX and upregulation of caspase-1 and AMPAR GluA1&2 expression. We concluded that fetuin-A ameliorates depression-like behaviors of rats by controlling the Caspase-1/BDNF/CREB Pathway signaling pathway, which may serve as a new target for treatment of depression.
抑郁症是一种严重危害人类健康的精神疾病。因此,创造出有效而有力的抗抑郁治疗方法至关重要。胎儿素a是一种主要由肝细胞释放的多功能糖蛋白;它在炎症过程中起着复杂的作用。我们旨在研究胎儿素a对脂多糖诱导的大鼠抑郁样行为的影响。40只雄性白化大鼠随机分为4组;I组:对照组(生理盐水+药)10天,II组:对照组采用胎儿素a组:胎儿素a (100 mg/kg/天)治疗10天,III组:抑郁组:0.5 mg/kg脂多糖治疗10天,IV组:胎儿素a治疗抑郁组:脂多糖(0.5 mg/kg)治疗10天,随后采用胎儿素a (100 mg/kg)治疗10天。对行为障碍进行评估。测定脑内丙二醛(MDA)和谷胱甘肽过氧化物酶(GPX)水平。采用ELISA法检测肿瘤坏死因子-α (TNF-α)、白细胞介素(IL) IL-6、脑源性神经营养因子(BDNF)水平。实时荧光定量PCR检测AMPA谷氨酸受体(AMPARs GluA1&2)、caspase-1和cAMP反应元件结合蛋白(CREB) mRNA的表达。进行海马组织病理学评估。我们的研究结果表明,胎儿素a通过增加BDNF和CREB有效改善lps诱导的行为测试障碍。此外,胎儿素a处理导致MDA、TNF-α和IL-6水平降低,同时GPX升高,caspase-1和AMPAR GluA1&2表达上调。我们认为胎儿素a通过控制Caspase-1/BDNF/CREB通路信号通路改善大鼠抑郁样行为,可能成为治疗抑郁症的新靶点。
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引用次数: 0
Nephroprotective Effect of Estradiol and Moreinga Oleifera Extract in Ovarictomized Rat 雌二醇和辣木提取物对去卵巢大鼠肾保护作用
Pub Date : 2023-04-01 DOI: 10.21608/besps.2022.179400.1134
Sally S. Donia, S. Saleh, F. Ahmed, D. Noya, Walaa A. Fadda, G. Amer
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引用次数: 0
Doxorubicin-Induced Cardiotoxicity in Adult Male Albino Rats and the Ameliorative Effects of Achillea Fragrantissima Crude Extract, Its Combined Ethyl Acetate/n. Butanol Fraction, and Vitamin E 阿霉素对成年雄性白化大鼠的心脏毒性及阿希勒粗提物及其复方乙酸乙酯/n的改善作用。丁醇部分和维生素E
Pub Date : 2023-04-01 DOI: 10.21608/besps.2022.170898.1129
Angie M. Ameen, Enas S. Mostafa, Enas E Eltamany, Noha Abd El-Fadeal, Mohamed El-kherbetawy, M. Mansour
Doxorubicin (DOX) is a potent chemotherapeutic agent. Unfortunately, due to the incidence of dose-dependent cardiotoxicity, its clinical usage is hampered. Natural products are gaining popularity as a means of preventing DOX-induced cardiotoxicity. In the present study, we investigated the cardiotoxic effects of DOX and assessed the potential ameliorative effects of Achillea fragrantissima extract, its combined ethyl acetate/ n . butanol (EtOAc-Bu) fraction
阿霉素(DOX)是一种有效的化疗药物。不幸的是,由于剂量依赖性心脏毒性的发生率,其临床应用受到阻碍。天然产品作为一种预防dox引起的心脏毒性的手段越来越受欢迎。在本研究中,我们研究了DOX的心脏毒性作用,并评估了阿基里斯(Achillea fragrantissima)提取物及其组合乙酸乙酯/ n的潜在改善作用。丁醇(EtOAc-Bu)馏分
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引用次数: 0
Methylenetetrahydrofolate Reductase and Peroxisome Proliferator-Activated Receptor-γ Gene Polymorphisms and Risk of Obesity in Females of Madina, Saudi Arabia 沙特阿拉伯麦地那地区女性亚甲基四氢叶酸还原酶和过氧化物酶体增殖物激活受体-γ基因多态性与肥胖风险
Pub Date : 2023-01-01 DOI: 10.21608/besps.2022.171402.1130
M. Aboonq, Magda H M Youssef, S. El-Kafrawy, Tamer M. Hifnawy, M. Mojaddidi, Eman A-Fadhly, S. Eltarhony, A. Elgendy, E. Eid
{"title":"Methylenetetrahydrofolate Reductase and Peroxisome Proliferator-Activated Receptor-γ Gene Polymorphisms and Risk of Obesity in Females of Madina, Saudi Arabia","authors":"M. Aboonq, Magda H M Youssef, S. El-Kafrawy, Tamer M. Hifnawy, M. Mojaddidi, Eman A-Fadhly, S. Eltarhony, A. Elgendy, E. Eid","doi":"10.21608/besps.2022.171402.1130","DOIUrl":"https://doi.org/10.21608/besps.2022.171402.1130","url":null,"abstract":"","PeriodicalId":9347,"journal":{"name":"Bulletin of Egyptian Society for Physiological Sciences","volume":"144 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76817289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Title: Comparison of high-protein diet versus ketogenic diet as weight reduction diets in obese rats: hepatic and metabolic effects 题目:高蛋白饮食与生酮饮食作为肥胖大鼠减肥饮食的比较:肝脏和代谢影响
Pub Date : 2023-01-01 DOI: 10.21608/besps.2022.135542.1124
Sherein F. El-sayed, Islam Wahid, I. Salem, Mona Ahmed, Reham M. Wahid
{"title":"Title: Comparison of high-protein diet versus ketogenic diet as weight reduction diets in obese rats: hepatic and metabolic effects","authors":"Sherein F. El-sayed, Islam Wahid, I. Salem, Mona Ahmed, Reham M. Wahid","doi":"10.21608/besps.2022.135542.1124","DOIUrl":"https://doi.org/10.21608/besps.2022.135542.1124","url":null,"abstract":"","PeriodicalId":9347,"journal":{"name":"Bulletin of Egyptian Society for Physiological Sciences","volume":"64 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73461733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Silent Information Regulator 1 Mediates Quercetin Protective Effect on Cadmium-induced Testicular Damage in Adult Male Rats 沉默信息调节因子1介导槲皮素对镉致成年雄性大鼠睾丸损伤的保护作用
Pub Date : 2023-01-01 DOI: 10.21608/besps.2022.167068.1128
Eman El-Tabaa, Hanem M Rabah, E. Basha, A. Eid, Dina M. Tahoon, R. Elkholy, Haidy Khattab
{"title":"Silent Information Regulator 1 Mediates Quercetin Protective Effect on Cadmium-induced Testicular Damage in Adult Male Rats","authors":"Eman El-Tabaa, Hanem M Rabah, E. Basha, A. Eid, Dina M. Tahoon, R. Elkholy, Haidy Khattab","doi":"10.21608/besps.2022.167068.1128","DOIUrl":"https://doi.org/10.21608/besps.2022.167068.1128","url":null,"abstract":"","PeriodicalId":9347,"journal":{"name":"Bulletin of Egyptian Society for Physiological Sciences","volume":"36 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89454979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
期刊
Bulletin of Egyptian Society for Physiological Sciences
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