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Editorial Commentary: Challenge of Non–AIDS-Defining Cancers (NADCs), Focusing on Trans Activation Response Element (TAR) RNA Embedding Exosomes 编辑评论:非艾滋病定义癌症(NADCs)的挑战,聚焦于反式激活反应元件(TAR)RNA嵌入外泌体
Pub Date : 2019-11-28 DOI: 10.3844/AJISP.2019.33.35
Lechuang Chen, G. Jin
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引用次数: 0
The Role of SLC22A4 Gene Polymorphisms in the Response to Salbutamol in Asthmatic Patients SLC22A4基因多态性在哮喘患者沙丁胺醇应答中的作用
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.10.18
Alshymaa A. Ahmed, N. Said, Alia A. El Shahaway, Nagwan A. Ismail
Response to Bronchodilators is influenced by many factors including genetics. To evaluate the influence of SLC22A4 gene polymorphisms (rs3792876 and rs2073838) on the response to inhaled salbutamol in asthmatic patients, bronchodilator response was assessed in 180 bronchial asthma patients via measuring changes of the Forced Expiratory Volume in one second (FEV1) after the administration of inhaled salbutamol and genotyping for rs3792876 and rs2073838 was carried out using real-time polymerase chain reaction. Frequencies of genotypes were compared in between responders and non-responders. The frequency of rs2073838 genotypes showed no significant differences. On the other hand, the recessive genotype of rs3792876 occurred more frequently among the non-responding patients P = 0.01, 95% confidence interval (1.2-9.5). The homozygous form of rs3792876 can influence the absorption of inhaled bronchodilator (Salbutamol), although, replication studies on this point are recommended.
对支气管扩张剂的反应受包括遗传在内的许多因素的影响。为评价SLC22A4基因多态性(rs3792876和rs2073838)对哮喘患者吸入沙丁丁醇应答的影响,本研究通过测量吸入沙丁丁醇后1秒用力呼气量(FEV1)的变化来评估180例支气管哮喘患者的支气管扩张剂应答,并采用实时聚合酶链反应对rs3792876和rs2073838进行基因分型。比较反应者和无反应者基因型的频率。rs2073838基因型的频率差异无统计学意义。另一方面,rs3792876隐性基因型在无应答患者中发生率更高P = 0.01, 95%可信区间(1.2 ~ 9.5)。rs3792876的纯合子形式可以影响吸入支气管扩张剂(沙丁胺醇)的吸收,但建议对这一点进行复制研究。
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引用次数: 1
Could the Hybrid form of Lecturing and Active Learning be used as a Curricular Tool for Medical Education of Immunology in Algeria? 授课和主动学习的混合形式能否作为阿尔及利亚医学免疫学教育的课程工具?
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.36.39
K. Kerboua, K. Djenouhat
Lecturing has been the predominant mode of instruction since universities were founded in Western Europe over 900 y ago and still the sole method of instruction in the developing countries. However, claiming that adopting a specific new method will have reproducible results regardless the population’s characteristics is simply not possible. In this study, we sought to demonstrate that hybrid form of lecturing and active learning could be used as a curricular tool for medical education, specifically for immunology, to enhance learning performance and promote development of test-taking and metacognitive skills among students from the faculty of medicine of Oran, West Algeria. One hundred fifty four 2nd year dental medicine students were analyzed for several parameters to assess classical and active learning methods. The median comparison showed a marked improvement of exam scores in groups taken Brainstorming (BS) and Problems-Based-Learning (PBLs) (p<0.00). BS was associated with the control of immunology learning (p = 0.044), students active participation (p = 0.023), practical knowledge (p = 0.011) and knowledge organization of the (p = 0.045). Herein, we confirm that the active learning is widely accepted by Algerian medical student as complementary tool to the lecturing. We propose that hybrid formula of these two approaches is needed to work cooperatively to solve problems and develop solutions.
自900多年前西欧建立大学以来,授课一直是主要的教学方式,至今仍是发展中国家唯一的教学方法。然而,声称采用一种特定的新方法将有可重复的结果,而不考虑人口的特征是根本不可能的。在这项研究中,我们试图证明,授课和主动学习的混合形式可以作为医学教育的课程工具,特别是在免疫学方面,以提高学习成绩,促进西阿尔及利亚奥兰医学院学生的考试和元认知技能的发展。对154名口腔医学二年级学生进行了几项参数分析,以评估经典和主动学习方法。中位数比较显示,采用头脑风暴(BS)和基于问题的学习(pbl)的组的考试成绩显著提高(p<0.00)。BS与免疫学学习控制(p = 0.044)、学生积极参与(p = 0.023)、实践知识(p = 0.011)和知识组织(p = 0.045)相关。在此,我们确认主动学习被阿尔及利亚医学生广泛接受为讲课的补充工具。我们提出需要这两种方法的混合公式来协同解决问题和制定解决方案。
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引用次数: 1
Individualizing Periods of Commercial Exclusivity to Control Pricing for Drugs and Biologics 控制药品和生物制品价格的商业排他性个性化时期
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.19.21
Callie M. Blase, Brandon K. Rouault, Maia B. Zoller, Joshua V. Luff, Emma J. Lerch, Brynn N. Lauterbachq, Mark A. Brown, J. Storsberg, C. Schmidt
The pricing for immunologic agents and antibody-based therapeutics has increased precipitously in recent years. Among the key contributors to price hikes is the static practice of granting commercial exclusivity to innovator drugs and biologics. Herein, we present a mechanism for individualizing periods of commercial exclusivity to control pricing for drugs and biologics.
近年来,免疫制剂和基于抗体的治疗方法的价格急剧上涨。价格上涨的主要原因之一是给予创新药物和生物制品商业排他性的静态做法。在此,我们提出了一种商业排他性时期的个性化机制,以控制药物和生物制品的定价。
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引用次数: 0
Methods for Universal Authentication of Medical Devices 医疗器械通用认证方法
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.1.4
Mark A. Brown, Ilham M Alshiraihi, Callie M. Blase, J. Storsberg, C. Schmidt
The need for effective means of authentication of medical devices has increased with the growing number of falsified in vitro diagnostics and devices being introduced across world markets. Such substandard products result in negative consequences ranging from harm to patients and/or failure to impart the desired clinical outcomes to a loss of public trust in healthcare providers and regulatory agencies. Herein, we discuss the growing specter of medical device falsification, related cybersecurity threats and selected novel approaches suggested for authentication.
随着世界市场上越来越多的伪造体外诊断和设备被引入,对医疗设备的有效认证手段的需求也在增加。此类不合格产品会导致负面后果,从对患者的伤害和/或无法传递期望的临床结果,到失去公众对医疗保健提供者和监管机构的信任。在此,我们讨论日益增长的医疗器械伪造,相关的网络安全威胁和选择的新方法建议的认证。
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引用次数: 0
Color Doppler Evaluation of Isovolumetric Relaxation Time and of Signals Arising from Axons of the Median Nerve as a Means to Evaluate Mitochondrial Functionality in the Context of Immunotherapy of Cancer and Chronic Conditions Associated with Mitochondrial Dysfunction 等容弛豫时间和正中神经轴突信号的彩色多普勒评价在癌症和慢性线粒体功能障碍相关疾病免疫治疗中评估线粒体功能的方法
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.22.32
S. Pacini, M. Ruggiero
Reactive Oxygen Species (ROS) arising from the disruption of mitochondrial respiration act as endogenous mutagens and tumor promoters. When production of ROS exceeds the capacity of DNA repair mechanisms, random mutations and aneuploidy ensue, thousands of genes become unbalanced and genetic/epigenetic chain reactions lead to progressive aneuploidy with only two outcomes: karyotypes so altered that are not viable or karyotypes of autonomous, immortal, cancer cells. Consistent with the concept that abnormalities of cellular respiration in mitochondria precede DNA alterations in the nucleus, transplant of normal mitochondria suppresses tumorigenesis and metastases in vitro and in vivo. However, the transplant of mitochondria is an experimental procedure that cannot be easily applied to clinical practice. In order to overcome this limitation, we designed a novel formula based on microbial chondroitin sulfate, vitamin D3 and ultrapure phosphatidylcholine, molecules that are known to restore mitochondrial functionality and suppress ROS production. Here we describe how such an approach can be evaluated by color Doppler ultrasonography of the radial artery and measure of the Isovolumetric Relaxation Time (IVRT). In addition, we show for the first time color Doppler signals originating from axons of the median nerve that may be indicative of quantum phenomena at the level of mitochondria. We propose the use of the original ultrasonographic techniques here described for evaluating the effectiveness of substances or strategies aimed at restoring mitochondrial functionality at the macroscopic and quantum levels.
线粒体呼吸中断产生的活性氧(ROS)作为内源性诱变剂和肿瘤启动子。当ROS的产生超过DNA修复机制的能力时,随机突变和非整倍体随之而来,成千上万的基因变得不平衡,遗传/表观遗传连锁反应导致进行性非整倍性,只有两种结果:改变的不可行的核型或自主的、不朽的癌症细胞的核型。与线粒体细胞呼吸异常先于细胞核DNA改变的概念一致,正常线粒体的移植在体外和体内抑制肿瘤发生和转移。然而,线粒体移植是一种实验性程序,不容易应用于临床实践。为了克服这一限制,我们设计了一种基于微生物硫酸软骨素、维生素D3和超纯磷脂酰胆碱的新配方,这些分子已知可以恢复线粒体功能并抑制ROS的产生。在这里,我们描述了如何通过桡动脉的彩色多普勒超声和等容弛豫时间(IVRT)的测量来评估这种方法。此外,我们首次展示了源自正中神经轴突的彩色多普勒信号,该信号可能指示线粒体水平的量子现象。我们建议使用本文描述的原始超声技术来评估旨在在宏观和量子水平上恢复线粒体功能的物质或策略的有效性。
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引用次数: 3
Immune Metabolism in Functional Aspects of the Brain 脑功能方面的免疫代谢
Pub Date : 2019-01-01 DOI: 10.3844/AJISP.2019.40.46
Elisa Gonzalez Cuevas, N. Chakraborty
The brain interacts with the immune system in a highly regulated and restricted manner. Immune signals initiate pro- and anti-inflammatory activity in most body tissues in response to disease states and injury. An accumulation of inflammatory insults can disrupt immune metabolic homeostasis and give rise to pathology in sensitive areas. Here, we provide an overview of interactions between immune metabolism and the brain, with an emphasis on immune homeostatic regulation. We propose that an imbalance in immune activity can have a dose and time dependent effect on susceptible tissues. In the brain, this can contribute to neuronal injury and subsequent decline in function. We also discuss a specific pathology application involving the inflammation model of Alzheimer’s Disease (AD). AD exemplifies the complexities of a disease etiology with multiple contributing factors, which has complicated the development of effective therapies. Patients could thus benefit from an individualized risk assessment and prevention approach that focuses on preservation of function and minimization of immune metabolic damage.
大脑与免疫系统的相互作用具有高度的调节性和限制性。免疫信号在大多数身体组织中启动促炎和抗炎活性,以应对疾病状态和损伤。炎症损伤的积累会破坏免疫代谢稳态,并在敏感区域引发病理。在这里,我们概述了免疫代谢和大脑之间的相互作用,重点是免疫稳态调节。我们提出,免疫活性的失衡可能对易感组织产生剂量和时间依赖性影响。在大脑中,这可能导致神经元损伤和随后的功能下降。我们还讨论了涉及阿尔茨海默病(AD)炎症模型的特定病理学应用。AD体现了一种具有多种致病因素的疾病病因的复杂性,这使有效疗法的开发变得复杂。因此,患者可以受益于个性化的风险评估和预防方法,该方法侧重于保护功能和最大限度地减少免疫代谢损伤。
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引用次数: 0
High-Dose Vitamin D3 Intake Is Associated with Decreased Symptoms of Multiple Sclerosis 高剂量维生素D3摄入与多发性硬化症症状减轻有关
Pub Date : 2018-09-04 DOI: 10.3844/AJISP.2018.7.14
Michelle L. Steinwart, D. Duriancik
Multiple sclerosis (MS) is one of the most widespread disabling autoimmune neurological conditions of adults between the ages of 20 and 40 globally. Medical researchers do not completely understand the possible causes of MS, nor have they determined the rate of progression. A limited number of clinical trials conducted in recent years have explored the link between vitamin D deficiency and MS with vitamin D supplementation as a possible element in the treatment of this disease. The primary goal of this review was to synthesize the evidence regarding the link between vitamin D3 levels and the symptoms of MS. A PubMed search was conducted using keywords Vitamin D, multiple sclerosis, MS, RRMS, prevention, treatment and cause. 1153 articles and sources were found using the key phrase “multiple sclerosis and vitamin D,” but these were narrowed to 11 based on publication dates between 2013 and 2018, clinical trials were included, while reviews were excluded and the relevance of the goals to this review. Study designs included experimental clinical trials where pretest/posttest data were presented. Articles were excluded if they were not peer reviewed or only described the method and were awaiting results. Although not all studies found uniform results, the majority of the evidence suggests that high intakes of vitamin D may be associated with improved quality of life through the reduction of certain symptoms of MS. This was especially evident in patients who started the studies with a vitamin D deficiency. It may be too early to prescribe an increase in daily supplementation of vitamin D with the hope of reducing the development of or in the treatment of MS, but recent studies indicate that high doses of vitamin D could decrease the probability of some symptoms of the disease and possibly give favorable results in treatment. Further studies are needed before specific recommendations can be made.
多发性硬化症(MS)是全球20至40岁成人中最普遍的致残自身免疫性神经系统疾病之一。医学研究人员并不完全了解多发性硬化症的可能原因,也没有确定其进展速度。近年来进行的有限数量的临床试验探索了维生素D缺乏与MS之间的联系,并将补充维生素D作为治疗该疾病的可能因素。本综述的主要目的是综合有关维生素D3水平与多发性硬化症症状之间联系的证据。我们使用关键词维生素D、多发性硬化症、多发性硬化症、RRMS、预防、治疗和原因进行了PubMed检索。使用“多发性硬化症和维生素D”这一关键短语的1153篇文章和来源被发现,但根据2013年至2018年的发表日期,这些文章和来源被缩小到11篇,包括临床试验,而不包括评论,以及目标与本综述的相关性。研究设计包括提供测试前/测试后数据的实验性临床试验。未经过同行评议或仅描述方法并等待结果的文章被排除在外。虽然不是所有的研究都得出了一致的结果,但大多数证据表明,高摄入量的维生素D可能通过减轻ms的某些症状来改善生活质量,这在开始研究时缺乏维生素D的患者中尤为明显。为了减少多发性硬化症的发展或治疗多发性硬化症而增加维生素D的每日补充可能还为时过早,但最近的研究表明,高剂量的维生素D可以减少某些疾病症状的可能性,并可能在治疗中取得良好的效果。在提出具体建议之前,需要进行进一步的研究。
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引用次数: 0
The Action of Bovine Cartilage on Tumor Cells In Vitro And In Vivo 牛软骨对肿瘤细胞的体内外作用
Pub Date : 2018-01-23 DOI: 10.3844/AJISP.2018.1.6
A. Tanelian, A. Abdelnoor
In an earlier study we had investigated the effect of Bovine Cartilage (BC) on mouse melanoma cells. In pursuant to this study BC anti-tumor activity in vitro against several human tumor cell lines was evaluated, mechanism by which BC induces tumor cell death was studied and its immunogenicity was assessed. Five mice received Intraperitoneal (IP) injection of BC once every 14 days for over a period of 42 days. Fourteen days after the last BC dose, mice were bled and sera were used to assess production of anti-BC antibodies by passive hemagglutination. To assess the effect of BC on human tumor cells, three different human tumor cell lines were incubated separately with increasing concentrations of BC for 48 h and percent viability was determined in vitro. Moreover, human lung cancer cell line A549 and mouse B16F10 melanoma cells were incubated separately with their respective half maximal inhibitory concentration (IC50) of BC and apoptosis/necrosis assay was performed. No antibody against BC was detected. In vitro, total eradication of human tumor cell lines was seen with 5000 μg mL-1 of BC. It appears that BC induces tumor cell death through apoptosis and this mechanism of action is the same across different cell lines and species. Additionally, BC appeared to be non-immunogenic.
在早期的研究中,我们研究了牛软骨(BC)对小鼠黑色素瘤细胞的影响。本研究评价了BC对几种人肿瘤细胞系的体外抗肿瘤活性,研究了BC诱导肿瘤细胞死亡的机制,并评价了其免疫原性。5只小鼠每14天腹腔注射一次BC,持续42天。最后一次给药14天后,给小鼠放血,用血清被动血凝法评估抗BC抗体的产生。为了评估BC对人肿瘤细胞的影响,将三种不同的人肿瘤细胞系分别培养48小时,并在体外测定其存活率。将人肺癌细胞系A549和小鼠B16F10黑色素瘤细胞分别培养于各自的BC最大半数抑制浓度(IC50)下,进行细胞凋亡/坏死实验。未检测到BC抗体。在体外,5000 μg mL-1的BC可以完全根除人肿瘤细胞系。BC通过细胞凋亡诱导肿瘤细胞死亡,其作用机制在不同细胞系和物种中是相同的。此外,BC似乎是非免疫原性的。
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引用次数: 1
Diabetic Retinopathy: Changes in Levels of Orosomucoids in Patients Supplemented with Beta Glucan and Vitamin D 糖尿病视网膜病变:补充β -葡聚糖和维生素D的患者Orosomucoids水平的变化
Pub Date : 2018-01-01 DOI: 10.3844/ajisp.2018.26.33
R. Josef, Závorková Martina, S. Ivana, Král Vlastimil, V. Vaclav
The role of beta glucan in stimulating of various biological reactions is getting more and more attention. In this report, we focused on the effects of oral supplementation with beta glucan and vitamin D on changes in serum levels of orosomucoids in patients with diabetic retinopathy. We measured the level of orosomucoids and evaluated the effects of oral supplementation. In this study we report significant decrease of orosomucoids levels after the end of the three-month treatment. Our results support the fact that continual supplementation with glucan is necessary for diabetes melitus and diabetic retinopathy patients.
葡聚糖在刺激各种生物反应中的作用越来越受到人们的重视。在本报告中,我们重点研究了口服葡聚糖和维生素D对糖尿病视网膜病变患者血清orosomucoids水平变化的影响。我们测量了orosomucoids的水平并评估了口服补充剂的效果。在这项研究中,我们报告了三个月治疗结束后orosomucoids水平的显著下降。我们的结果支持持续补充葡聚糖对糖尿病和糖尿病视网膜病变患者是必要的这一事实。
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引用次数: 1
期刊
American journal of immunology
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