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Fucoidan Alleviates Intestine Damage in Mice Induced by LPS via Regulation of Microbiota 褐藻糖胶通过调节微生物群减轻 LPS 诱导的小鼠肠道损伤
Pub Date : 2024-07-01 DOI: 10.29261/pakvetj/2024.190
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引用次数: 0
Designing an Epitope-Based Vaccine against Bovine Viral Diarrhea using Immuno-informatics 利用免疫信息学设计基于表位的牛病毒性腹泻疫苗
Pub Date : 2024-04-22 DOI: 10.29261/pakvetj/2024.162
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引用次数: 0
Evaluation of Possible Ameliorative Role of Robinetin to Counteract Polystyrene Microplastics Instigated Renal Toxicity in Rats 评估洋槐黄素对抗击聚苯乙烯微塑料引发的大鼠肾毒性的可能改善作用
Pub Date : 2024-04-22 DOI: 10.29261/pakvetj/2024.164
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引用次数: 0
Applicability of Butterfly Pea Flower Extract as an Alternative Natural Dye in Histopathological Canine Mast Cell Tumor Diagnosis 蝶豆花提取物作为替代天然染料在犬肥大细胞瘤组织病理学诊断中的适用性
Pub Date : 2024-04-22 DOI: 10.29261/pakvetj/2024.163
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引用次数: 0
Protective Efficacy of Fresh and Aged Macerated Garlic Oils in Safflower Oil Against Intra-Abdominal Adhesions in Rats 鲜榨和陈化红花油中大蒜油对大鼠腹内粘连的保护作用
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.030
G. U. Caliskan, Nuray Emin
This study aims to investigate the protective efficacy of fresh (FG) and aged (AG) Taşköprü Garlic (Allium sativum L.) macerated oils prepared in safflower oil at different concentrations against post-operative (PO) intra-abdominal adhesions (PIA). No commercial garlic product was used in the study. AG was produced from Taşköprü Garlic, which is one of the geographically indicated products of the European Union. Then FG and AG were kept at two different concentrations (1.5 g/mL & 2.0 g/mL) in safflower (Carthamus tinctorius L.) oil to get macerated oils of FG15, FG20, AG15 and AG20. After spectrophotometric and chromatographic analyzes of the oils, in vivo experiments were made on rats. A cecal abrasion model was applied to six study groups viz FG15, FG20, AG15, AG20, serum physiologic control and oil control. Their preventive activities against PIA were examined macroscopically and histopathologically at different time points (7th‑14th‑21st days PO). The safflower oil did not give successful results in preventing PIA when used alone. The AG macerated oils, especially AG20, caused negative effects on the injured tissue/organ surfaces due to their high ratio of 2,4‑decadienal content. The macerated oils prepared with fresh Taşköprü Garlic in safflower oil (FG15 and FG20) at the rate of 0.1 mL were found successful agents to prevent PIA by intra-abdominal route without any irritant effect in rats. These oils are considered as low cost clinical/laboratory preparations and can be used in laparotomy/laparoscopy to prevent PIA
本研究旨在探讨不同浓度红花油制备的新鲜(FG)和陈年(AG) Taşköprü大蒜(Allium sativum L.)浸渍油对术后(PO)腹腔粘连(PIA)的保护作用。研究中没有使用商业大蒜产品。AG是由Taşköprü大蒜生产的,这是欧盟地理标志产品之一。然后在红花油中分别以1.5 g/mL和2.0 g/mL的浓度保存FG和AG,得到FG15、FG20、AG15和AG20浸渍油。经分光光度法和色谱法分析后,进行大鼠体内实验。盲肠磨损模型应用于FG15、FG20、AG15、AG20、血清生理控制组和油脂控制组6个研究组。在不同时间点(PO第7 - 14 - 21天)观察其对PIA的预防作用。单独使用时,红花油在预防PIA方面没有取得成功的结果。AG浸渍油,特别是AG20浸渍油,由于其2,4 -十烯醛含量较高,对损伤的组织/器官表面产生负面影响。用红花油中新鲜Taşköprü大蒜(FG15和f20)以0.1 mL的比例制备的浸渍油成功地通过腹腔途径预防大鼠PIA,且无任何刺激作用。这些油被认为是低成本的临床/实验室制剂,可用于剖腹手术/腹腔镜检查以预防PIA
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引用次数: 0
Detection and Phylogenetic Analysis of the Tegument Protein Gene of Malignant Catarrhal Fever Virus from Clinical Cases of Cattle and Sheep in the Central Balkan Region 中巴尔干地区牛羊临床病例恶性卡他热病毒被膜蛋白基因检测及系统发育分析
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.032
D. Glišić, ZZ Sapundžić, M. Ninković, B. Milovanovic, O. Stevanović, D. Lausevic, M. Đorđević, B. Kureljušić, V. Milićević
This study aimed to describe the clinical course of SA-MCF and the duration of viremia in surviving cattle and to perform the phylogenetic analysis of the tegument protein gene of OvHV-2 in cattle in the Central Balkan. A farm housing two heifers and 7 sheep with a confirmed SA-MCF case were selected for the investigation. For the estimation of the length of viremia and the virus shedding, the animals were sampled repeatedly, weekly for two months. For the phylogenetic analysis, a retrospective study was performed on 21 samples from cattle, and 7 samples from sheep, from the Central Balkan. In the blood samples of the survived heifer, the OvHV-2 genome was detected until week 7, in corneal swabs, the OvHV-2 genome was detected until week 6, and in nasal swabs until week two of the study. A retrospective study revealed that out of 21 tested cattle, OvHV–2 was detected in 15 (71.4%), and out of 7 tested sheep, three (42.9%) were positive. The sequenced samples show the highest percentage of similarity with the strains from Brasil KJ658293.1 (100%) and Germany HM216475.1 (100%).. Since there is a variety of different clinical signs similar to other notifiable diseases such as BVD, IBR, and FMD, there is a clear benefit in including SA-MCF in the differential diagnosis in cattle. As mixed farming in the Central Balkan is practiced, implementing SA-MCF monitoring in passive surveillance would allow a better understanding of the disease, ascertaining its prevalence and could provide new information regarding SA-MCF epidemiology
本研究旨在描述存活牛的SA-MCF临床病程和病毒血症持续时间,并对巴尔干中部牛的OvHV-2被膜蛋白基因进行系统发育分析。选择了一个有2头小母牛和7只绵羊的农场进行调查,该农场已确诊SA-MCF病例。为了估计病毒血症的长度和病毒脱落,动物重复采样,每周两个月。为了进行系统发育分析,对来自中巴尔干地区的21个牛样本和7个羊样本进行了回顾性研究。在存活的小母牛的血液样本中,OvHV-2基因组被检测到直到第7周,在角膜拭子中,OvHV-2基因组被检测到直到第6周,在鼻拭子中被检测到直到研究的第2周。一项回顾性研究显示,在21头被检测的牛中,有15头(71.4%)检测到OvHV-2,在7只被检测的羊中,有3只(42.9%)呈阳性。结果表明,该菌株与巴西的KJ658293.1(100%)和德国的HM216475.1(100%)具有较高的相似性。由于与BVD、IBR和口蹄疫等其他应呈报疾病类似,牛瘟有多种不同的临床症状,因此在牛的鉴别诊断中纳入SA-MCF明显有益。随着中巴尔干地区实行混合农业,在被动监测中实施SA-MCF监测将有助于更好地了解该疾病,确定其流行情况,并可提供有关SA-MCF流行病学的新信息
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引用次数: 0
Hyperbaric Oxygen Therapy, a Possible New Approach in the Treatment of Retinal Damage in Methanol Poisoning in Rats 高压氧治疗是治疗甲醇中毒大鼠视网膜损伤的新途径
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.021
M. Baktır
It has been established that peroxidation, inflammatory processes, and organ damage are involved in the pathogenesis of methanol intoxication. Research has shown that using hyperbaric oxygen reduces oxidative stress, inflammation, and tissue damage. In this research, it was investigated how hyperbaric oxygen therapy affected methanol-induced peroxidation and retinal damage in rats. The animals were classified into six categories (n = 8): control group (C), nitrous oxide (N2O) treated group, hyperbaric oxygen (HBO) treated group, methanol (MeOH) treated group, N2O+methanol treated group (N2O+MeOH) and N2O+methanol+hyperbaric oxygen (N2O+MeOH+HBO) treated group. Folate deficiency was started with N2O, four hours before the starting dose (4g/kg) of methanol. The rats were given a methanol maintenance dose (2g/kg, i.p) 24h and 48h after the starting dose. After each methanol administration, rats were given HBO (2 ATA) for 1 hour. Methanol intoxication decreased plasma folic acid levels while increasing formate levels and oxidative stress index and it caused a decrease in the amount of the retinal ganglion cells and thinned the total retinal thickness in folate-deficient mice. HBO treatment reduced the oxidative stress index but did not adequately improve retinal healing. Our findings indicate that the HBO treatment used to treat retinal damage in methanol poisoning was ineffective. However, increasing the duration of HBO therapy may be effective in preventing methanol-induced retinal damage
已经确定过氧化,炎症过程和器官损伤参与甲醇中毒的发病机制。研究表明,使用高压氧可以减少氧化应激、炎症和组织损伤。本研究探讨高压氧治疗对甲醇诱导的大鼠过氧化和视网膜损伤的影响。将实验动物分为6组(n = 8):对照组(C)、一氧化二氮(N2O)处理组、高压氧(HBO)处理组、甲醇(MeOH)处理组、N2O+甲醇处理组(N2O+MeOH)和N2O+甲醇+高压氧(N2O+MeOH+HBO)处理组。叶酸缺乏开始于N2O,在开始剂量(4g/kg)甲醇之前4小时。开始给药后24h和48h分别给予甲醇维持剂量(2g/kg, i.p)。每次给药后,给予大鼠HBO (2 ATA) 1小时。甲醇中毒使叶酸缺乏小鼠血浆叶酸水平降低,甲酸水平升高,氧化应激指数升高,视网膜神经节细胞数量减少,视网膜总厚度变薄。HBO治疗降低了氧化应激指数,但没有充分改善视网膜愈合。我们的研究结果表明,HBO治疗甲醇中毒视网膜损伤是无效的。然而,增加HBO治疗的持续时间可能有效预防甲醇引起的视网膜损伤
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引用次数: 0
Protective Effects of N Acetylcysteine and Vitamin E against Acrylamide-induced Neurotoxicity in Rats N -乙酰半胱氨酸和维生素E对丙烯酰胺所致大鼠神经毒性的保护作用
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.027
M. Aboubakr, A. Elmahdy, Shaimaa Taima, M. Emam, A. Farag, M. Alkafafy, A. Said, A. Soliman
When many widely ingested foods are heated, a toxin called acrylamide (ACR) is created. The aim of our research was to investigate if N acetylcysteine (NAC) and/or vitamin E (Vit E) could provide protection against neurotoxicity induced by ACR. Rats were classified into seven groups of 7 rats; control (saline); NAC (150 mg/kg bw); Vit E (100 mg/kg bw); ACR (20 mg/kg bw orally); ACR+NAC; ACR+Vit E; ACR+NAC+Vit E. Saline, NAC and/or Vit E were administered orally, once daily for 30 days. Acetylcholinesterase (AChE) inhibition, glutathione depletion, and elevated levels of malondialdehyde (MDA), were all observed after ACR intoxication. Furthermore, ACR diminished superoxide dismutase (SOD) and catalase (CAT) activities, as well as inflammatory mediators as interleukins (IL-1, IL-6), and tumor necrosis factor-α (TNF-α). The combined treatment of ACR with NAC or Vit E dramatically reduced both oxidative and biochemical consequences, with a more frequent return to normal values. To conclude, NAC or Vit E supplementation may alleviate ACR-induced neuronal injury, most likely due to NAC or Vit E antioxidant, anti-inflammatory, and anti-apoptotic effects
当许多被广泛食用的食物被加热时,会产生一种叫做丙烯酰胺(ACR)的毒素。本研究旨在探讨N -乙酰半胱氨酸(NAC)和/或维生素E (Vit E)是否对ACR诱导的神经毒性具有保护作用。将大鼠分为7组,每组7只;控制(生理盐水);NAC (150 mg/kg bw);维生素E (100 mg/kg bw);ACR (20 mg/kg bw口服);ACR +南汽;ACR +维生素E;ACR+NAC+Vit E。生理盐水、NAC和/或Vit E口服,每天1次,连续30天。乙酰胆碱酯酶(AChE)抑制、谷胱甘肽耗竭和丙二醛(MDA)水平升高都是在ACR中毒后观察到的。此外,ACR还能降低超氧化物歧化酶(SOD)和过氧化氢酶(CAT)活性,以及白细胞介素(IL-1、IL-6)和肿瘤坏死因子-α (TNF-α)等炎症介质的活性。ACR与NAC或Vit E联合治疗可显著降低氧化和生化后果,更频繁地恢复到正常值。综上所述,NAC或Vit E的补充可能减轻acr诱导的神经元损伤,这很可能是由于NAC或Vit E的抗氧化、抗炎和抗凋亡作用
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引用次数: 3
Alterations of the Oestrous Cycle and Increase in the Blood Pressure in Normotensive Female Rats by Continuous Exposure to Light 持续光照对正常血压雌性大鼠发情周期和血压升高的影响
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.040
Javier Palacios
The study aims to investigate changes on some cardiac parameters of normotensive female rats due to continual exposure to light. Three months old female Wistar rats were subjected to varying light cycles and intensities, following which cardiovascular parameters were recorded continuously at days 0, 10, 15, 20, 25 and 30. We calculated and recorded the mean arterial pressure, pulse pressure, peripheral resistance and cardiac output. It was observed that continuous exposure to light for 10 days significantly increased the mean arterial pressure (MAP; 103±1 mmHg control vs. 117±6 mmHg at 20 min; P<0.05) and the systolic blood pressure (SBP; 111±1 mmHg control vs. 130±5 mmHg at 20 min; P<0.05). Heart rate (HR) did not significantly change during the exposure to light. However, the pulse pressure (PP) increased at day 20 on exposure to light (18±1 mmHg control vs. 32±4 mmHg at 20 min; P<0.05). It also reduced the peripheral resistance, while increasing the cardiac output in the female rats. It also elevated oestrogen plasma levels and LF/HF ratio, which is a spectral component of ECG denoting heart rate variability (HRV). Continuous exposure to light may induce stress in female rats, leading to hormonal blood pressure, and sympathovagal imbalances
本研究旨在探讨持续光照对正常雌性大鼠心脏部分参数的影响。对3月龄Wistar雌性大鼠进行不同光照周期和强度的光照,连续记录第0、10、15、20、25和30天的心血管参数。计算并记录平均动脉压、脉压、外周阻力和心输出量。结果显示,连续光照10天,平均动脉压(MAP;103±1mmhg对照20分钟117±6mmhg;P<0.05),收缩压(SBP;111±1mmhg对照130±5mmhg在20分钟;P < 0.05)。心率(HR)在光照下没有明显变化。然而,脉冲压(PP)在光照第20天增加(18±1 mmHg对照,20分钟32±4 mmHg对照);P < 0.05)。同时降低了外周阻力,增加了雌性大鼠的心输出量。它还提高了雌激素血浆水平和LF/HF比率,这是心电图中表示心率变异性(HRV)的频谱成分。持续暴露在光线下可能会引起雌性大鼠的应激,导致激素血压升高和交感迷走神经失衡
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引用次数: 4
Tectochrysin Attenuates Cisplatin-induced Hepatotoxicity by Restoring Biochemical, Inflammatory and Histological Profile in Rats 通过恢复大鼠的生化、炎症和组织学特征来减轻顺铂诱导的肝毒性
Pub Date : 2023-04-01 DOI: 10.29261/pakvetj/2023.029
M. Ijaz
Cisplatin is an efficacious anticancerous chemotherapeutic agent that is used to cure multiple types of malignancies. However, it has several hazardous effects on multiple organs, particularly liver. Tectochrysin is a naturally occurring flavonoid with extensive pharmacological properties. In this research, the potential anti-oxidant properties of tectochrysin against cisplatin-triggered oxidative stress in rats’ hepatic tissues were investigated. 48 male albino rats were separated into 4 groups: control cisplatin (10 mg/kg), cisplatin + tectochrysin (10 mg/kg + 5 mg/kg), and tectochrysin (5 mg/kg). The trial executed for one month. The biochemical, inflammatory, histopathological and liver markers were evaluated. The results of the research suggested that cisplatin treatment remarkably lowered the activities of glutathione (GSH), superoxide dismutase (SOD), glutathione reductase (GSR), glutathione S-transferase (GST), glutathione peroxidase (GPx) as well as catalase (CAT) while escalated malondialdehyde (MDA) and reactive oxygen species (ROS) levels. Cisplatin administered rats exhibited significantly higher aspartate aminotransferase (AST), alanine aminotransferase (ALT) as well as alkaline phosphatase (ALP) levels. Furthermore, cisplatin administration significantly elevated the inflammatory indicators i.e., interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) as well as nuclear factor kappa-B (NF- κB) and cyclooxygenase-2 (COX-2) activity along with histopathological impairments. Conversely, co-administration with tectochrysin effectively reversed the cisplatin-triggered impairments and abnormalities in the hepatic tissue of rats. The current investigation demonstrated that tectochrysin lowered cisplatin-induced hepatotoxicity owing to its antioxidant, reactive oxygen species scavenging activities and anti-inflammatory effects
顺铂是一种有效的抗癌化疗药物,用于治疗多种类型的恶性肿瘤。然而,它对多个器官有一些有害的影响,尤其是肝脏。菊花素是一种天然存在的黄酮类化合物,具有广泛的药理特性。本研究探讨了龙胆菊素对大鼠肝组织顺铂氧化应激的潜在抗氧化作用。将48只雄性白化大鼠分为4组:对照组顺铂(10 mg/kg)、顺铂+蝶蛹素(10 mg/kg + 5 mg/kg)、蝶蛹素(5 mg/kg)。审判进行了一个月。进行生化、炎症、组织病理学及肝脏指标的检测。研究结果表明,顺铂治疗显著降低了谷胱甘肽(GSH)、超氧化物歧化酶(SOD)、谷胱甘肽还原酶(GSR)、谷胱甘肽s -转移酶(GST)、谷胱甘肽过氧化物酶(GPx)和过氧化氢酶(CAT)的活性,升高了丙二醛(MDA)和活性氧(ROS)水平。顺铂组大鼠的谷草转氨酶(AST)、丙氨酸转氨酶(ALT)和碱性磷酸酶(ALP)水平显著升高。此外,顺铂可显著提高炎症指标,即白细胞介素-1β (IL-1β)、肿瘤坏死因子-α (TNF-α)、白细胞介素-6 (IL-6)以及核因子κB (NF- κB)和环氧化酶-2 (COX-2)活性,并伴有组织病理学损伤。相反,与蝶蝶素联合给药可有效逆转大鼠肝组织中顺铂引发的损伤和异常。目前的研究表明,由于其抗氧化、活性氧清除和抗炎作用,鸢尾菊素降低了顺铂诱导的肝毒性
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引用次数: 1
期刊
The Pakistan Veterinary Journal
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