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Transglutaminase 2 and Anti Transglutaminase 2 Autoantibodies in Celiac Disease and Beyond: Anti- Transglutaminase 2 Autoantibodies: Friends or Enemies 转谷氨酰胺酶2和抗转谷氨酰胺酶2自身抗体在乳糜泻和其他疾病:抗转谷氨酰胺酶2自身抗体:朋友还是敌人
Pub Date : 2015-11-09 DOI: 10.4172/1745-7580.10000100
A. Lerner, ra Neidhöfer, T. Matthias
Tissue transglutaminase is a multifunctional enzyme, exerting intra and extracellular, enzymatic and nonenzymatic, Ca2+ dependent and independent functions. Its specific autoantibody, the anti transglutaminase2 autoantibody is multifunctional, affecting many of the enzyme activities. Most of them are due to loss of function, the minority being gain of function of the enzyme. No beneficial protective effects, but only pathogenic ones, were assigned to those celiac disease associated anti TG2 autoantibodies. Taken together, celiac antibodies could collectively promote small bowel intestinal or extraintestinal damage. Yet, most of the transglutaminase2 autoantibody activities where explored in vitro and ex-vivo, very few in animal model but none in vivo, in human. The celiac disease serum contains numerous antibodies, IgA-transglutaminase2 is only one of them and up till now, its differential role in celiac disease induction and maintenance is far from being unraveled. Unraveling them might open some new therapeutic strategies for celiac disease.
组织转谷氨酰胺酶是一种多功能酶,发挥细胞内和细胞外、酶促和非酶促、Ca2+依赖和独立的功能。其特异性自身抗体,抗转谷氨酰胺酶2自身抗体是多功能的,影响许多酶的活性。大多数是由于酶的功能丧失,少数是由于酶的功能获得。与乳糜泻相关的抗TG2自身抗体没有有益的保护作用,只有致病作用。综上所述,乳糜泻抗体可共同促进小肠或肠外损伤。然而,大多数转谷氨酰胺酶2自身抗体的活性都是在体外和离体研究中发现的,在动物模型中很少,而在人体内则没有。乳糜泻血清中含有多种抗体,iga -转谷氨酰胺酶2只是其中一种抗体,其在乳糜泻诱发和维持中的差异作用至今仍未完全阐明。解开它们可能会为乳糜泻提供一些新的治疗策略。
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引用次数: 13
Transglutaminase 2 and Anti Transglutaminase 2 Autoantibodies in Celiac Disease and Beyond: TG2 Double-Edged Sword: Gut and Extraintestinal Involvement 转谷氨酰胺酶2和抗转谷氨酰胺酶2自身抗体在乳糜泻及其他疾病中的作用:TG2双刃剑:肠道和肠外病变
Pub Date : 2015-11-09 DOI: 10.4172/1745-7580.10000101
A. Lerner, ra Neidhöfer, T. Matthias
Transglutaminase2 is a pleiotropic enzyme expressed ubiquitously and abundantly. It has been implicated in a variety of physiological processes, such as growth, differentiation, migration, signaling, cytoprotection, cell death and survival, wound healing, angiogenesis, inflammation, apoptosis and autophagy. It operates intracellularly in multiple organelles, extracellularly and on cell surface. Apart from catalyzing post-translational modifications of proteins, by deamidation and cross-linking, it exercises G-protein, isomerase and kinase activities and non-enzymatic biological functions. Aberrant activation or deregulation of its functions is involved in numerous human disease. The most known one is celiac disease, but the present review will expand on extraintestinal entities. It plays a role in inflammatory, degenerative-age related, neurodegenerative, malignant, metabolic and hormonal, autoimmune and genetic conditions. Increased knowledge of its structure, functions and regulation in homeostatic phase, open the opportunity to design new therapeutic strategies to inhibit its malfunction in pathological situations.
谷氨酰胺转氨酶2是一种多效性酶,其表达量普遍且丰富。它涉及多种生理过程,如生长、分化、迁移、信号传导、细胞保护、细胞死亡和存活、伤口愈合、血管生成、炎症、凋亡和自噬。它在细胞内、细胞外和细胞表面的多个细胞器中起作用。除了通过脱酰胺和交联催化蛋白质的翻译后修饰外,它还具有g蛋白、异构酶和激酶活性以及非酶生物学功能。其功能的异常激活或失调与许多人类疾病有关。最著名的是乳糜泻,但本综述将扩展到肠外实体。它在炎症、退行性年龄相关、神经退行性、恶性、代谢和激素、自身免疫和遗传疾病中发挥作用。对其结构、功能和在稳态阶段的调控的进一步了解,为设计新的治疗策略来抑制其在病理情况下的功能障碍提供了机会。
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引用次数: 25
The Frequency and Intensity of Bronchial Hyper-Reactivity in Patients withAllergic Asthma on Immunotherapy 免疫治疗过敏性哮喘患者支气管高反应性的频率和强度
Pub Date : 2015-11-09 DOI: 10.4172/1745-7580.10000102
Neziri-Ahmetaj Luljeta, Bakir MehiÄ, R. Gojak, Zhjeqi Valbona, N. Arber
Allergen immunotherapy significantly reduced asthma symptoms and medications requirements. Treated patients were significantly less likely to report symptomatic deterioration and less likely to require increased medication. This immunotherapy showed no consistent effect on lung function. The aim of study: In this study, we have determined the difference in the frequency and intensity of bronchial hyper-reactivity in patients with allergic asthma on immunotherapy compared to the patients with allergic asthma receiving only anti-asthmatic pharmacotherapy during one year period of time. Methods: 60 patients were included with allergic asthma, where genders were subsequently divided into two treatment groups. The study group included 30 patients who had received immunotherapy (immunotherapy group) and control group of 30 patients treated with standard pharmacotherapy, but not with immunotherapy (GINA proposal). Each patient in the immunotherapy group was treated with subcutaneous specific immunotherapy (SCIT). The criteria for the inclusion of the patients were clinical diagnosis of allergic asthma, age between 15 and 30 years, and both sexes. The criteria for the exclusion of the patients were the presence of other acute and chronic diseases of respiratory airways, other allergic diseases (skin allergies, nutritive allergies etc.), and acute and chronic diseases of other organic systems. Results: During the 1st trimester, the median FEV1 values in control group of patients was 60.5% (46.7-78.25%) and following bronchodilators therapy, it was 81% (56-82.2%), which was a significant (p=0.005). In the immunotherapy group, median FEV1 value was 74% (66.0-77.0%) and following bronchodilator therapy it was 84% (76-89.5%), which was a significant increase (p=0.005). During the 2nd trimester, the median FEV1 value in control group of patients was 75% (50-79.5%) and following bronchodilators therapy it increased up to 84% (66-88.5%) but the difference was not significantly different (p=0.08). In immunotherapy group, median FEV1 value was 78% (75.5-79.0%) and following bronchodilator therapy, it increased to 82% (79.5-83.75%) but the difference was not significant (p=0.066). During the 3rd trimester, the median FEV1 value in control group of patients was 70% (43-75%) and not significantly increased following bronchodilators therapy up to 84% (51-85%) (p=0.08). In experimental (immunotherapy) group, median FEV1 value was 77% (70-79%) and following bronchodilator therapy, it did not significantly change 76% (68-85%) (p=0.273). During the 4th trimester, the median FEV1 value in control group of patients was 65% (54-75%) and significantly increased following bronchodilators therapy to 79% (55-83%) (p=0.018). In immunotherapy group, median FEV1 value was 79% (68-79.5%) and did not change significantly following bronchodilator therapy 90% (67.5-95.75%)) (p=0.18). Conclusion: In this study, the frequency of bronchial hyper reactivity was not significantly differ
过敏原免疫疗法显著减少了哮喘症状和药物需求。接受治疗的患者报告症状恶化的可能性明显降低,需要增加药物治疗的可能性也明显降低。这种免疫疗法对肺功能没有一致的影响。研究目的:在这项研究中,我们确定了在一年的时间内,接受免疫治疗的过敏性哮喘患者与仅接受抗哮喘药物治疗的过敏性哮喘患者支气管高反应性的频率和强度的差异。方法:60例过敏性哮喘患者,按性别分为两组。研究组包括30例接受免疫治疗的患者(免疫治疗组)和对照组30例接受标准药物治疗但不接受免疫治疗(GINA方案)的患者。免疫治疗组采用皮下特异性免疫治疗(SCIT)。入选标准为临床诊断为过敏性哮喘的患者,年龄15 ~ 30岁,男女不限。排除标准为存在其他呼吸道急慢性疾病、其他过敏性疾病(皮肤过敏、营养性过敏等)、其他有机系统急慢性疾病。结果:妊娠早期,对照组患者FEV1中位数为60.5%(46.7 ~ 78.25%),支气管扩张剂治疗后FEV1中位数为81%(56 ~ 82.2%),差异有统计学意义(p=0.005)。免疫治疗组中位FEV1值为74%(66.0-77.0%),支气管扩张剂治疗组中位FEV1值为84%(76-89.5%),差异有统计学意义(p=0.005)。妊娠中期,对照组患者FEV1中位数为75%(50-79.5%),支气管扩张剂治疗后FEV1中位数上升至84%(66-88.5%),但差异无统计学意义(p=0.08)。免疫治疗组FEV1中位值为78%(75.5% -79.0%),支气管扩张剂治疗组FEV1中位值为82%(79.5-83.75%),但差异无统计学意义(p=0.066)。在妊娠晚期,对照组患者FEV1的中位值为70%(43-75%),而支气管扩张剂治疗后FEV1的中位值无显著升高,高达84% (51-85%)(p=0.08)。实验组(免疫治疗)FEV1中位数为77%(70-79%),支气管扩张剂治疗后FEV1中位数无显著变化76% (68-85%)(p=0.273)。在妊娠第4个月,对照组患者FEV1中位数为65%(54-75%),支气管扩张剂治疗后显著增加至79% (55-83%)(p=0.018)。免疫治疗组中位FEV1值为79%(68 ~ 79.5%),支气管扩张剂治疗后无显著变化(90% (67.5 ~ 95.75%))(p=0.18)。结论:在本研究中,在1年的时间里,接受免疫治疗的过敏性哮喘患者的支气管高反应性频率与仅接受抗哮喘药物治疗的患者的支气管高反应性频率无显著差异。虽然我们的样本中BHR的下降并不显著(χ2=3.166 p=0.065),但我们的患者接受特异性免疫治疗后BHR有下降的趋势。
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引用次数: 1
Agrarian residents in China are at increased risk of vector born rickettsioses, anaplasmosis and ehrlichiosis 中国农业居民患媒介生立克次体病、无形体病和埃利希体病的风险增加
Pub Date : 2015-09-15 DOI: 10.4172/1745-7580.S1.002
Lijuan Zhang
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引用次数: 1
Neutralizing antibodies directed against Botulinum A and B toxin heavy and light chains 中和针对肉毒杆菌A和B毒素重链和轻链的抗体
Pub Date : 2015-09-09 DOI: 10.4172/1745-7580.S1.001
T. Sesardic
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引用次数: 1
The Influence of Tissue-Specific Glucocorticoid System on the Inflammatory Microenviroment: A Mini-Review 组织特异性糖皮质激素系统对炎症微环境影响的综述
Pub Date : 2015-08-31 DOI: 10.4172/1745-7580.1000099
A. Bazsó, Á. Szappanos, G. Poór, Y. Shoenfeld, E. Kiss
Glucocorticoids have been belonged to the most widely and commonly used immune modulatory drugs in autoimmune and inflammatory conditions. The anti-inflammatory and immune suppressant mechanisms have been described. However, the glucocorticoids have paracrine and autocrine manner, acting at local tissue level and that is called as “tissue-specific” glucocorticoids. Those have a significant role in the development of inflammation. The glucocorticoid receptors, the sensitivity for glucocorticoids and the hypothalamic-pituitary-adrenal (HPA) axis are associated strongly in the development, treatment and outcome of the inflammatory diseases. Dysregulation of the immune system and the endogenous glucocorticoid system may contribute to the pathogenesis of chronic autoimmune and inflammatory diseases.
糖皮质激素是目前应用最广泛、最常用的免疫调节药物之一。抗炎和免疫抑制机制已被描述。然而,糖皮质激素有旁分泌和自分泌两种方式,在局部组织水平起作用,称为“组织特异性”糖皮质激素。它们在炎症的发展中起着重要作用。糖皮质激素受体、对糖皮质激素的敏感性和下丘脑-垂体-肾上腺(HPA)轴在炎症性疾病的发生、治疗和结局中密切相关。免疫系统和内源性糖皮质激素系统的失调可能参与慢性自身免疫性疾病和炎症性疾病的发病机制。
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引用次数: 0
T Cell-Derived GM-CSF, Regulation of Expression and Function T细胞衍生的GM-CSF的表达和功能调控
Pub Date : 2015-08-24 DOI: 10.4172/1745-7580.1000098
Wanqiang Sheng, C. Png, J. Reynolds, Yongliang Zhang
Granulocyte-macrophage colony-stimulating factor (GM-CSF) is produced by a variety of cells and plays an important role in the inflammatory response in infection as well as in autoimmunity. Recent progress has indicated that CD4+ T cell-derived GM-CSF has a prominent and non-redundant function in mediating autoimmune neuroinflammation. Thus, there is increased interest on studying the regulation of GM-CSF production by T helper cells, which could translate to the development of novel therapeutics for autoimmune diseases such as multiple sclerosis. This review focuses on our current understanding of the regulation and function of T cell-derived GM-CSF.
粒细胞-巨噬细胞集落刺激因子(GM-CSF)由多种细胞产生,在感染的炎症反应和自身免疫中起重要作用。最近的进展表明,CD4+ T细胞来源的GM-CSF在介导自身免疫性神经炎症中具有突出和非冗余的功能。因此,人们对研究T辅助细胞对GM-CSF产生的调节越来越感兴趣,这可能转化为多发性硬化症等自身免疫性疾病的新疗法的开发。本文综述了目前对T细胞源性GM-CSF的调控和功能的认识。
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引用次数: 8
Elevated Levels of Autoantibodies against ATP2B4 and BMP-1 in Sera of Patients with Atherosclerosis-related Diseases 动脉粥样硬化相关疾病患者血清抗ATP2B4和BMP-1自身抗体水平升高
Pub Date : 2015-08-17 DOI: 10.4172/1745-7580.1000097
T. Hiwasa, T. Machida, Xiao-meng Zhang, R. Kimura, Hao Wang, K. Iwase, H. Ashino, Akiko Taira, E. Arita, S. Mine, Mikiko Ohno, Po-min Chen, E. Nishi, K. Kitamura, Rika Yamazoe, H. Takizawa, K. Kashiwado, I. Kamitsukasa, T. Wada, A. Aotsuka, E. Kobayashi, T. Matsutani, Y. Iwadate, N. Saeki, M. Mori, A. Uzawa, M. Muto, K. Sugimoto, S. Kuwabara, Y. Iwata, T. Nakayama, J. Harada, Yoshio Kobayashi, M. Takemoto, Kazuki Kobayashi, H. Kawamura, Ryoichi Ishibashi, K. Sakurai, Masaki Fujimoto, K. Yokote, K. Goto, R. Matsumura, T. Sugiyama, H. Hayashi, R. Hasegawa, H. Shimada, Masaaki Ito, T. Kudo, H. Doi, Rika Nakamura, Go Tomiyoshi, Natsuko Shinmen, Hideyuki Kuroda
Background: Atherosclerosis-related life-style diseases such as cerebral infarction (CI), cardiovascular disease (CVD), diabetes mellitus (DM), and chronic kidney disease (CKD) are a serious problem in the recently aging society. The development of novel and sensitive diagnostic markers is necessary and expected for the early treatment. Methods and Results: Through the first screening by phage expression cloning, we identified ATPase, Ca++ transporting, plasma membrane 4 (ATP2B4) and bone morphogenetic protein 1 (BMP-1) as antigens recognized by IgG antibodies in the sera of patients with atherosclerosis. The presence of autoantibodies against these antigens in serum specimens was confirmed by Western blotting. We then compared serum antibody levels against recombinant ATP2B4 and BMP-1 proteins between healthy donors (HD) and patients with atherosclerotic diseases, such as CI, transient ischemic attack (TIA), CVD, DM, or CKD, by the Alpha (amplified luminescent proximity homogeneous assay)-LISA method. The results revealed that both antibody levels were significantly higher in patients with these diseases than in HD and exhibited most prominent differences in CKD vs. HD. Correlation analysis showed that both antibody levels were well correlated with the degree of artery stenosis, such as maximum intima-media thickness with some different patterns, i.e., anti-ATP2B4 antibody levels were related to hypertension, whereas anti-BMP-1 antibodies were related to smoking habits. Conclusions: The serum antibody levels against ATP2B4 and BMP-1 can be useful diagnostic markers for atherosclerosis and its related diseases caused by hypertension and smoking habits, respectively.
背景:动脉粥样硬化相关的生活方式疾病,如脑梗死(CI)、心血管疾病(CVD)、糖尿病(DM)和慢性肾脏疾病(CKD)是当今老龄化社会的一个严重问题。开发新的、灵敏的诊断标志物是早期治疗的必要和期望。方法与结果:通过噬菌体表达克隆首次筛选,我们在动脉粥样硬化患者血清中鉴定出ATPase、钙++转运、质膜4 (ATP2B4)和骨形态发生蛋白1 (BMP-1)为IgG抗体识别的抗原。免疫印迹法证实血清标本中存在针对这些抗原的自身抗体。然后,我们比较了健康供体(HD)和动脉粥样硬化疾病(如CI、短暂性脑缺血发作(TIA)、CVD、DM或CKD)患者的血清抗重组ATP2B4和BMP-1蛋白的抗体水平,采用α(放大发光接近均质测定)-LISA方法。结果显示,这两种抗体水平在这些疾病患者中都明显高于HD患者,并且在CKD与HD中表现出最显著的差异。相关分析显示,两种抗体水平均与动脉狭窄程度相关,如最大内膜-中膜厚度,但存在不同的模式,即抗atp2b4抗体水平与高血压相关,而抗bmp -1抗体水平与吸烟习惯相关。结论:血清抗ATP2B4和BMP-1抗体水平分别可作为高血压及吸烟所致动脉粥样硬化及其相关疾病的诊断指标。
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引用次数: 28
Immunopathogenesis of Neurocysticercosis: Role of Cytokines 神经囊虫病的免疫发病机制:细胞因子的作用
Pub Date : 2015-08-10 DOI: 10.4172/1745-7580.1000096
S. Singh, K. Prasad
Neurocysticercosis (NCC) is caused by the larva of Taenia solium, when it is lodged in the central nervous system (CNS). NCC is identified as the major cause of community acquired epilepsy, especially in the developing countries. It is also increasingly being reported in the developed world due to human migration from the disease endemic countries. However, some individuals with similar NCC lesions may remain asymptomatic and the reason for this asymptomatic status largely remains unknown. However, studies from our center suggest that cytokines play important role in disease pathogenesis. In the present review, we have discussed the role of different cytokines in the pathogenesis of NCC in human.
神经囊虫病(NCC)是由猪带绦虫(Taenia solium)的幼虫寄居在中枢神经系统(CNS)时引起的。非传染性疾病被确定为社区获得性癫痫的主要原因,特别是在发展中国家。由于人类从疾病流行国家移徙,发达国家也越来越多地报告了该病。然而,一些具有类似NCC病变的个体可能仍然无症状,这种无症状状态的原因在很大程度上尚不清楚。然而,我们中心的研究表明细胞因子在疾病的发病机制中起着重要的作用。现就不同细胞因子在人NCC发病机制中的作用进行综述。
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引用次数: 2
Acetyl-L-Carnitine and Nicotinamide for Prevention of Type 1 Diabetes. I-Literature Review which Gave Support to the Treatment. II-Case Report, Evaluation of Five Years Treatment 乙酰左旋肉碱和烟酰胺预防1型糖尿病。支持治疗的文献综述。病例报告,五年治疗评价
Pub Date : 2015-06-30 DOI: 10.4172/1745-7580.1000094
Ivan Fern, Ez, M. Tonietti, M. C. Camberos, I. Bergadá, A. Schenone, M. Szlago, M. Tellechea, Gustavo Fretchtel, L. Trifone, J. Cresto
In the first part, this article review the accepted knowledge of type 1 diabetes, its physiopathology, the importance of cytokines and the induction of apoptosis and necrosis during its evolution. Throughout this work we describe in more detail the inhibition of this mechanism of cell destruction by acetyl-L-carnitine and nicotinamide. We also explain the complementary action of their association which gave support to the treatment. In the second part, we present the complete evolution of 8 children treated with the oral medication of 50 mg/Kg of acetyl-L-carnitine plus 25 mg/Kg of nicotinamide during 5 years. We published the first 2 years of evolution under treatment in these children (JPEM 26: 347, 2013). The children had positive auto-antibodies and were consanguineous of type 1 diabetic patients. The intravenous glucose tolerance test (IVGTT) showed a first phase of insulin release minor of 48 μU to enter in the protocol, and the same test was used for children evolution. Seven out eight children stopped the treatment because they normalized the metabolic parameters and no one became diabetic. All children increased the insulin response to IVGTT (between 1.44 to 5.69 times). Along the treatment, seven of these eight children turned their positive auto-antibodies into negatives.
在第一部分,本文综述了1型糖尿病的公认知识,其生理病理,细胞因子的重要性和诱导凋亡和坏死在其演变过程中。在这项工作中,我们更详细地描述了乙酰左旋肉碱和烟酰胺对这种细胞破坏机制的抑制作用。我们还解释了他们的协会的互补作用,这给治疗提供了支持。在第二部分中,我们介绍了8名儿童在5年内口服50 mg/Kg乙酰左旋肉碱加25 mg/Kg烟酰胺治疗的完整演变。我们发表了这些儿童在治疗后的前2年的进化(JPEM 26:347, 2013)。患儿自身抗体阳性,与1型糖尿病患者有血缘关系。静脉葡萄糖耐量试验(IVGTT)显示第一阶段胰岛素释放量为48 μU,进入方案,并用于儿童进化。8名儿童中有7名停止了治疗,因为他们的代谢参数正常化,没有人患上糖尿病。所有儿童对IVGTT的胰岛素反应均增加(1.44 ~ 5.69倍)。在治疗过程中,这8个孩子中有7个将阳性自身抗体变为阴性。
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引用次数: 2
期刊
Immunome research
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