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Efficacy of carvacrol oil against common broilers chickens enteric pathogens. 香芹酚油对肉鸡常见肠道病原菌的防治作用。
Pub Date : 2018-09-17 DOI: 10.14419/IJPT.V6I2.15309
I. Radwan, A. Orabi, Saber El-Hanbally, Hanaa A. Mabrouk
Gastrointestinal tract acts as a selective barrier for the broilers, however a wide range of factors associated with diet and infectious disease agents can negatively affect the delicate balance among the components of the chicken gut and, as a result, affect health status and production performance of birds in commercial poultry industries. Our investigation aimed to determine the incidence of the most common broilers chicken enteric pathogens as Salmonella, E.coli and C.perfringens and also measure efficacy of carvacrol oil on these pathogens. 250 internal organs were analyzed for enteric pathogens in (table 1, 2) which revealed high incidence of E.coli (n=18) followed with Salmonella (n=10) and C.perfringens (n=8).Serotyping of Salmonella isolates showed that the predominant serovars is S.Kentuky (n=3) then S.Typhimurium and S.Infants (n=2), while O114:K90 O78:K80 O25:K11 were the predominant E.coli serotypes (n=4) for each one. Antibiogram revealed that isolates were resistance to Cefotaxime, Amoxicillin, Doxycycline and Enrofloxacin. Results indicated that, MIC of most isolates lowered after 24hr exposure to 0.001% of carvacrol and the growth of tested isolates was inhibited at 0.1% carvacrol concentration.  
胃肠道是肉鸡的选择性屏障,然而,与饮食和传染病有关的一系列因素可能对鸡肠道各组成部分之间的微妙平衡产生负面影响,从而影响商业家禽业中禽类的健康状况和生产性能。本研究旨在确定肉鸡肠道病原菌沙门氏菌、大肠杆菌和产气荚膜原杆菌的发病率,并测定香芹酚油对这些病原菌的抑制作用。对250个内脏器官进行肠道病原菌分析(表1,2),结果显示大肠杆菌(n=18)高发,其次是沙门氏菌(n=10)和产气荚膜原杆菌(n=8)。沙门氏菌血清分型结果显示,以肯塔基沙门氏菌(n=3)、鼠伤寒沙门氏菌(n=2)和婴儿沙门氏菌(n=2)为主,以O114:K90、O78:K80、O25:K11为主要血清型(n=4)。抗菌谱显示分离株对头孢噻肟、阿莫西林、强力霉素和恩诺沙星耐药。结果表明,0.001%的香芹酚处理24小时后,大多数分离株的MIC降低,0.1%的香芹酚浓度对分离株的生长有抑制作用。
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引用次数: 0
In Vitro Anti-cholinesterase and Cognitive Enhancing Properties of Essential Oils from Piper nigrum L. and Monodora myristica (Gaertn) Dunal 胡椒和肉豆蔻单念珠菌精油体外抗胆碱酯酶及增强认知能力的研究
Pub Date : 2018-08-23 DOI: 10.14419/ijpt.v6i2.13578
Olawuni I J, Ndoni S A, Esada E E, Bamidele F S, Obuotor E M
Aging in humans generally is associated with deterioration of cognitive abilities, particularly of learning and memory leading to dementia, including Alzheimer’s disease. A number of herbal medicines are reported to improve brain function and intelligence. In the present study, the ameliorating effects of essential oil extracted from Piper nigrum and Monodora myristica on learning and memory in Scopolamine induced amnesic mice were determined using two cognitive behavioural paradigms: the Step-Through Passive Avoidance and Morris-Water Maze test. Essential oils were obtained by hydro-distillation using a Clavenger-type apparatus and their profiles analyzed by GC-MS. Inhibitory effects on AChE and BuChE were investigated by Ellman’s method. The animals were assessed for performance by measuring the Step-Through Latency Time (SLT) and Escape Latency Time (ELT). Brain cholinesterase activities were assayed in brain tissues from the mice. The results showed that M. myristica and P. nigrum oils were characterized by 51 (94.76%) and 61 (90.65%) components, respectively. M. myristica is dominated by α-phellandrene (18.13%), while P. nigrum is dominated by β-pinene (5.92%) and caryophyllene (4.55%). Both oils at 416 µg/ml elicited significant inhibitory (p>0.05) activity with M. myristica exhibiting a stronger inhibition against AChE and BuChE than P. nigrum. This trend was also exhibited significantly (p>0.05) in both ELT and the SLT when compared to scopolamine-treated group. In conclusion, the seeds of M. myristica and P. nigrum are potential sources of active metabolites with anti-cholinesterase and cognition enhancing properties, but M. myristica exhibited a higher activity.  
人类的衰老通常与认知能力的退化有关,尤其是学习和记忆能力的退化,从而导致痴呆,包括阿尔茨海默病。据报道,许多草药可以改善大脑功能和智力。本研究采用步进式被动回避和morris -水迷宫两种认知行为范式,研究了胡椒精油和肉豆蔻单念珠菌精油对东莨菪碱诱导的遗忘小鼠学习记忆的改善作用。采用clenger -type装置对精油进行水蒸气蒸馏,并采用气相色谱-质谱分析。采用Ellman法考察其对AChE和BuChE的抑制作用。通过测量跨步潜伏期(SLT)和逃逸潜伏期(ELT)来评估动物的性能。测定小鼠脑组织胆碱酯酶活性。结果表明,肉豆蔻挥发油中分别含有51个(94.76%)和61个(90.65%)成分。肉豆蔻菌以α-茶树烯(18.13%)为主,黑孢菌以β-蒎烯(5.92%)和石竹烯(4.55%)为主。在416µg/ml浓度下,两种油脂均能显著抑制AChE和BuChE (p>0.05),肉豆蔻芽孢杆菌对AChE和BuChE的抑制作用强于黑豆蔻芽孢杆菌。与东莨菪碱治疗组相比,ELT和SLT均表现出显著的这种趋势(p>0.05)。综上所述,肉豆蔻种子和黑豆蔻种子是具有抗胆碱酯酶和增强认知功能的活性代谢物的潜在来源,但肉豆蔻种子的活性更高。
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引用次数: 0
Influence of temsirolimus on antidiabetic effect of sitagliptin in experimental animal 替西莫司对西格列汀抗糖尿病作用的影响
Pub Date : 2018-06-14 DOI: 10.14419/ijpt.v6i2.11819
R. Jamal, D. Suresh, S. Khalid
The present study was carried out to evaluate the drug interaction between an antihyperglycemic agent and anticancerous drug,In healthy and Dexamethasone induced diabetic rats. The blood samples were collected up to 24 h and blood glucose level was estimated. In healthy albino rats Pretreatment with Temsirolimus (6.75 mg/kg for seven days) has significantly altered the onset of hypoglycemia (15.50+1.47 to21.40±.54), p< 0.001 at the 2nd hour significantly enhanced the peak hypoglycemia (29.70+.60 %) before treatment to (44.47+1.21 %) after treatment(p<0.001) at 4th hour (i.e. 18.71±.38 to 20.43±.89, p<0.001 induced by Sitagliptin. Whereas in Dexamethasone treated rats, pretreatment with Temsirolimus (6.75 mg/kg) for 7 days has decreased the onset of hypoglycemia, significantly enhanced the peak hypoglycemia (24.13+.6417%) before treatment to (45.62+2.845 %) after treatment(P<.001) at the 8th hour. This study indicates that therapeutic drug monitoring has been required for therapeutic doses of temsirolimus and antidiabetic drugs when used concomitantly.Highlights 1)      Influence of Temsirolimus on hypoglycemic activity of Sitagliptin in healthy rats.2)      Influence of Temsirolimus on hypoglycemic activity of Sitagliptin in Dexamethasone induced hyperglycemic rats.3)      To suggest the alteration in the dose and frequency of administration of Oral antidiabetic agents when they are used along with Temsirolimus.Abbreviations P.o.- per os ‘by mouth’, DM-Diabetes mellitus,GOD-Glucose oxidase (GOD), POD- Peroxidase (POD). 
本研究在健康大鼠和地塞米松诱导的糖尿病大鼠中评价了一种降糖药和抗癌药物之间的相互作用。采集血样至24 h,并测定血糖水平。替西莫司(6.75 mg/kg,连用7天)可显著改变低血糖发作(15.50±1.47 ~ 21.40±0.54),p< 0.001可显著增强2小时低血糖峰值(29.70+)。治疗前为(44.47+ 1.21%),治疗后第4小时为(18.71±1.21%)(p<0.001)。38 ~ 20.43±。89,西格列汀诱导的p<0.001。而在地塞米松治疗大鼠中,替西莫司(6.75 mg/kg)预处理7 d降低了低血糖的发生率,并显著提高了治疗前(24.13+ 0.6417%)至治疗后第8小时的低血糖峰值(45.62+ 2.845%)(P< 0.001)。本研究表明,当同时使用替西莫司和抗糖尿病药物时,需要对治疗剂量进行药物监测。1)替西莫司对健康大鼠西格列汀降血糖活性的影响。2)替西莫司对地塞米松诱导的高血糖大鼠西格列汀降血糖活性的影响。3)提示口服降糖药物与替西莫司合用时剂量和给药频率的变化。缩写P.o.- per的意思是“口服”,DM-Diabetes,GOD-葡萄糖氧化酶(GOD), POD-过氧化物酶(POD)。
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引用次数: 0
Effect of azithromycin on fetal development in rats 阿奇霉素对大鼠胎儿发育的影响
Pub Date : 2018-06-05 DOI: 10.14419/IJPT.V6I1.11709
A. Elkomy, Asmaa M. Kandeil, M. Abo-Salem, W. Hassan, M. Aboubakr, A. Elhemiely
This study was designed to evaluate the potential risks of the Azithromycin administration on fetuses. Therefore pregnant rats were received Azithromycin orally (90 and 180 mg/kg b.wt, daily) from sixth day until the fifteenth day of gestation. At 20th day of gestation female sacrificed; abortion, fetal resorptions, visceral examination, skeletal examination, Oxidative stress markers and histopathological examination for fetuses were recorded. Azithromycin caused abortion, fetal resorptions, growth retardation, hematoma and paralysis of limbs. Also caused cerebral dilatation, microcephaly, perforation of hard palate and hemorrhage around internal organs. By skeletal examination; weak and incomplete ossification were observed in bones .Biochemical studies showed that Azithromycin administration resulted in decreased glutathione reduced but increased malonaldahyde compared to control groups. Fetal kidney revealed degeneration and necrosis in the tubular lining epithelium and fibrosis in between the atrophied renal tubules. This study supports and proofs the potential risks of the azithromycin administration on fetuses.  
本研究旨在评估阿奇霉素给药对胎儿的潜在风险。因此,妊娠大鼠从妊娠第6天至第15天口服阿奇霉素(90和180 mg/kg b.wt,每日)。妊娠第20天处死母鼠;记录流产、胎儿吸收、内脏检查、骨骼检查、氧化应激标志物及胎儿组织病理学检查。阿奇霉素引起流产、胎儿吸收、生长迟缓、血肿和四肢瘫痪。还可引起脑扩张、小头畸形、硬腭穿孔及脏器周围出血。通过骨骼检查;生化研究表明,与对照组相比,阿奇霉素治疗导致谷胱甘肽减少,丙二醛增加。胎儿肾显示肾小管内衬上皮变性和坏死,肾小管之间纤维化。本研究支持并证明了阿奇霉素给药对胎儿的潜在风险。
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引用次数: 0
Protective effects of Syzygium aromaticum oil (Clove) against acrylamide induced hepatic, renal, and testicular toxicity in rats 丁香精油对丙烯酰胺致大鼠肝、肾和睾丸毒性的保护作用
Pub Date : 2018-06-05 DOI: 10.14419/ijpt.v6i1.10972
A. Elkomy, M. Aboubakr, Samar S Ibrahim, Y. Abdelhamid
This study aimed to investigate the possible protective role of clove oil against acrylamide induced oxidative damage and impairment of liver, kidney, and testicular functions in albino rats. The apparent oxidative damage was associated with evident hepatic, renal, and testicular dysfunction, which was confirmed in histopathological lesions, and increased serum aspartate aminotransferase and alanine aminotransferase activities. Acrylamide decreased serum total protein and albumin contents; increased urea and creatinine contents. Acrylamide also reduced testosterone concentration. Treatment of acrylamide intoxicated rats with clove oil minimized liver, kidney, and testicular histopathological changes and normalized their functions. Our findings demonstrate that acrylamide is not only associated with hepatotoxicity but also nephrotoxicity and testicular toxicity. Clove oil administration provided substantial organ protection against hepatic, renal, and testicular dysfunction induced by acrylamide, which was possibly mediated through their antioxidant activities.   
本研究旨在探讨丁香油对丙烯酰胺诱导的白化大鼠肝、肾、睾丸功能损伤的保护作用。明显的氧化损伤与明显的肝、肾和睾丸功能障碍相关,这在组织病理学病变中得到证实,血清天冬氨酸转氨酶和丙氨酸转氨酶活性升高。丙烯酰胺降低血清总蛋白和白蛋白含量;尿素和肌酐含量增加。丙烯酰胺还能降低睾酮浓度。用丁香油治疗丙烯酰胺中毒大鼠,使肝、肾和睾丸的组织病理学改变最小化,并使其功能正常化。我们的研究结果表明,丙烯酰胺不仅与肝毒性有关,而且与肾毒性和睾丸毒性有关。丁香油对丙烯酰胺引起的肝、肾和睾丸功能障碍具有重要的器官保护作用,这可能是通过丁香油的抗氧化活性介导的。
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引用次数: 8
Protection from stress of tracheal intubation with midazolam-sufentanil neuroleptanalgesia. 咪达唑仑-舒芬太尼神经镇痛对气管插管应激的保护作用。
Pub Date : 1990-12-01 DOI: 10.1097/00132586-199012000-00025
E. Zsigmond, S. Raza, A. R. Vasireddy, E. Barabás
Although diazepam has been shown to reduce the stress response, the protective effect of midazolam, a newer benzodiazepine from a stressful event, tracheal intubation, has not been studied as yet by catecholamine assays in patients undergoing coronary artery bypass surgery, who also receive intravenous sufentanil as a component of the neuroleptanalgesic technique. Therefore, we evaluated the influence of midazolam in combination with sufentanil on the plasma free catecholamines before and after midazolam, after sufentanil and pancuronium and before and after intubation in 15 adult patients undergoing coronary artery surgery. After routine premedication, midazolam 0.14 +/- 0.01 mg.kg-1 i.v. was given over 1 min followed 5 min later by sufentanil in incremental i.v. doses of 1.5 micrograms.kg-1 to a total pre-intubation dose of 4.0-5.0 micrograms.kg-1 injected in 10 min. The incremental doses of sufentanil were given when a greater than 15 per cent increase in rate-pressure product occurred. One min after the initial dose of sufentanil, pancuronium 0.1 mg.kg-1 i.v. was given to provide muscle relaxation. Midazolam administration per se caused a significant decrease in systolic and diastolic blood pressures with a concomitant reduction in systemic vascular resistance. Sufentanil reduced the left ventricular stroke-work index. Tracheal intubation, a strong stressor during anesthesia, elicited no increase in catecholamines and/or adverse hemodynamic responses in contrast to a marked increase in plasma catecholamines routinely observed in patients anesthetized by the commonly used technique of intravenous barbiturates in combination with succinylcholine.
虽然地西泮已被证明可以减少应激反应,但咪达唑仑(一种较新的苯二氮卓类药物,用于气管插管应激事件)的保护作用尚未通过儿茶酚胺测定在接受冠状动脉搭桥手术的患者中进行研究,这些患者也接受静脉注射舒芬太尼作为神经镇静镇痛技术的一部分。因此,我们对15例成人冠状动脉手术患者咪达唑仑联合舒芬太尼对咪达唑仑前后、舒芬太尼联合泮库溴铵后及插管前后血浆游离儿茶酚胺的影响进行了评价。常规用药前,咪达唑仑0.14 +/- 0.01 mg。Kg-1静脉注射超过1分钟,5分钟后再增加静脉注射剂量为1.5微克的舒芬太尼。Kg-1至总插管前剂量4.0-5.0微克。kg-1在10分钟内注射。当速率压力产物增加超过15%时,给予增加剂量的舒芬太尼。初始剂量舒芬太尼后1分钟,泮库溴铵0.1 mg。给予Kg-1静脉注射以松弛肌肉。咪达唑仑本身引起收缩压和舒张压的显著降低,并伴有全身血管阻力的降低。舒芬太尼降低左心室卒中-工作指数。气管插管是麻醉过程中的一个强应激源,与常规使用巴比妥酸盐联合琥珀胆碱麻醉的患者血浆儿茶酚胺的显著增加相比,没有引起儿茶酚胺的增加和/或不良血流动力学反应。
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引用次数: 2
Aztreonam in the treatment of serious gram-negative infections in the elderly. 氨曲南治疗老年人严重革兰氏阴性感染。
Pub Date : 1989-04-01 DOI: 10.1016/S0022-5347(17)41160-8
F. Deger, J. Douchamps, E. Freschi, J. Thys, P. Néve, A. Herchuelz
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引用次数: 5
Simultaneous measurement of biogenic amines and related compounds by high performance liquid chromatography (HPLC). 高效液相色谱法同时测定生物胺及相关化合物。
Pub Date : 1982-07-01 DOI: 10.1016/s0021-5198(19)53652-6
T. Shibuya, K. Sato, B. Salafsky
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引用次数: 5
Etodolac in postsurgical pain: a double-blind dose-ranging efficacy study with aspirin and placebo. 依托度酸治疗术后疼痛:与阿司匹林和安慰剂的双盲剂量范围疗效研究。
Pub Date : 1982-05-01 DOI: 10.1007/978-3-642-68690-0_34
L. Versichelen, P. Bilsback, G. Rolly, M. Merlo, L. Joubert
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引用次数: 26
Comparison of old and new types of premedications. 新旧预用药的比较。
Pub Date : 1982-04-01 DOI: 10.1097/00132586-198304000-00055
J. Kanto, A. Pakkanen, L. Kangas, T. Leppänen
By random allocation 41 patients received 1 mg flunitrazepam orally the night before operation and 1 mg on the morning of operation (group 1), and another 41 received 100 mg pentobarbital orally the night before operation, followed by intramuscular scopolamine (0.006 mg/kg) + morphine (0.02 mg/kg) on the morning of operation (group 2). All patients received 0.5 mg atropine intravenously just before the induction of anesthesia. The patients in group 2 were better sedated and had less salivary secretion than those in group 1, but otherwise both were comparable. In group 2 the induction requirements of thiopentone were significantly decreased in comparison with group 1, again indicating a more potent sedative effect. Because even in the total scoring of the results there was no significant difference between the two groups, the easy oral route of administration of flunitrazepam offers a clinically relevant alternative to the conventional premedication. In some of these E.N.T. patients who received flunitrazepam, intravenous atropine given just before the induction of anesthesia was unable to prevent salivary secretion. Oral benzodiazepine derivatives (flunitrazepam) appear to be useful before surgery as the old type of premedication (oral pentobarbital + i.m. scopolamine and morphine).
随机分配41例患者术前晚口服氟硝西泮1 mg,术后晨口服1 mg(组1),术前晚口服戊巴比妥100 mg,术后晨肌注东莨菪碱(0.006 mg/kg) +吗啡(0.02 mg/kg)(组2)。所有患者在麻醉诱导前静脉滴注阿托品0.5 mg。2组患者镇静效果较好,唾液分泌量较1组少,但其他方面具有可比性。与第1组相比,第2组硫喷妥酮的诱导需要量显著降低,再次表明其镇静作用更强。因为即使在结果的总评分上,两组之间也没有显著差异,所以口服氟硝西泮的简便途径为传统的预用药提供了一种临床相关的替代方案。在一些接受氟硝西泮的耳鼻喉科患者中,在麻醉诱导前静脉给予阿托品无法阻止唾液分泌。口服苯二氮卓衍生物(氟硝西泮)作为术前治疗的旧方法(口服戊巴比妥+东莨菪碱和吗啡)似乎是有用的。
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引用次数: 7
期刊
International journal of clinical pharmacology, therapy and toxicology
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