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A Novel Neuroprotective Cholinesterase and Brain-Selective MAO Inhibitor with APP Processing Activity for the Treatment of Dementia Co-morbid with Depression and Parkinson's Disease
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2004.TB00013.X
M. Youdim, M. Weinstock
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引用次数: 0
Ondansetron: a selective 5-HT(3) receptor antagonist and its applications in CNS-related disorders. 昂丹司琼:一种选择性5-羟色胺受体拮抗剂及其在中枢神经系统相关疾病中的应用
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2001.TB00195.X
Jiang Ye, R. Ponnudurai, Rebecca Schaefer
Ondansetron is a selective 5-hydroxytryptamine(3) (5-HT(3)) receptor antagonist that has been introduced to clinical practice as an antiemetic for cancer treatment-induced and anesthesia-related nausea and vomiting. Its use under these circumstances is both prophylactic and therapeutic. It has a superior efficacy, safety and pharmacoeconomic profile compared with other groups of antiemetics, namely antidopaminergics, antihistamines and anticholinergics. However, its place in the management of anticipatory and delayed vomiting in cancer treatment and as a rescue antiemetic in surgical patients needs to be further explored. Furthermore, recent animal and human research also reflects its possible novel application in the treatment of other disease states, such as alcoholism, cocaine addiction, opioid withdrawal syndrome, anxiety disorders, gastrointestinal motility disorders, Tourette's syndrome and pruritus. This review revisits the widespread physiological and pathological effects of 5-HT and discusses both the basic science literature and the clinical developments responsible for the conventional and novel uses of ondansetron. In addition, new discoveries relating to the effects of ondansetron on other receptors/channels and their possible therapeutic applications are presented.
昂丹司琼是一种选择性5-羟色胺(5-HT(3))受体拮抗剂,作为止吐剂用于临床治疗癌症治疗引起的和麻醉相关的恶心和呕吐。在这种情况下,它的使用既有预防作用,也有治疗作用。与抗多巴胺类、抗组胺类和抗胆碱类止吐药相比,它具有更优越的疗效、安全性和药物经济学特征。然而,它在癌症治疗中的预期性和延迟性呕吐的管理以及作为外科患者的抢救止吐剂的地位需要进一步探索。此外,最近的动物和人类研究也反映了它可能在治疗其他疾病状态方面的新应用,如酗酒、可卡因成瘾、阿片类戒断综合征、焦虑症、胃肠运动障碍、妥瑞氏综合征和瘙痒症。这篇综述回顾了5-羟色胺广泛的生理和病理作用,并讨论了基础科学文献和临床发展对昂丹西琼的传统和新用途负责。此外,还介绍了有关昂丹司琼对其他受体/通道的影响及其可能的治疗应用的新发现。
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引用次数: 131
Role of Nicotinic Acetylcholine Receptors in Neurodegeneration or Neuroprotection During Aging 烟碱乙酰胆碱受体在衰老过程中神经退行性或神经保护中的作用
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2000.TB00173.X
M. Picciotto
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引用次数: 0
7th International Conference AD/PD 2005, Sorrento, Italy, March 9–14, 2005 2005年第7届AD/PD国际会议,意大利索伦托,2005年3月9-14日
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2005.TB00056.X
M. Memo
Keywords: 3-APS; AF267B; Alzheimer's disease; Alzheimer's vaccine; LY450139 Parkinson's disease
关键词:3-APS;AF267B;阿尔茨海默病;阿尔茨海默氏症疫苗;LY450139帕金森病
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引用次数: 0
GV150526: A Neuroprotective Agent GV150526:神经保护剂
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2000.TB00142.X
F. Bordi, M. Mugnaini, A. Terron, R. Barnaby, A. Reggiani
Thromboembolic stroke is a severe, disabling disease characterized by an abrupt reduction of cerebral blood flow, which leads to deprivation of oxygen and nutrients to neuronal tissue, followed by permanent brain damage. Evidence has been accumulated to implicate excitotoxicity in the pathogenesis of ischemic brain injury. Overstimulation of excitatory amino acid receptors becomes deleterious for neuronal cell survival. Glutamate antagonists can ameliorate the ischemic injury by any of several mechanisms. Because blockade of the glycine site of the N-methyl-D-aspartate (NMDA) receptor seems to offer a better side-effect profile, glycine antagonists are attractive targets for blocking excitotoxicity following stroke. GV150526 is a selective and potent glycine antagonist at the NMDA receptor complex. It binds to the glycine site with both high affinity and high selectivity in in vitro binding studies. In vivo studies have shown that GV150526 significantly reduces infarct volume in the middle cerebral artery occlusion model of stroke. This effect remained statistically significant, even if treatment was delayed for as long as 6 h post-occlusion. GV150526 showed no evidence of adverse effects usually associated with NMDA receptor blockers, such as neuronal vacuolization in standard assays or cognitive impairment in behavioral tests. GV150526 had no significant treatment-related respiratory or cardiovascular effects or effects on behavior, body temperature, or blood pressure in mice or rats. Pharmacokinetic studies indicated that GV150526 has low clearance and volume of distribution in both the rat and the dog. Preclinical toxicology studies have shown that the compound is well tolerated in both species. Phase I/II studies were undertaken to assess the safety, tolerability, and pharmacokinetics of GV150526 in healthy volunteers and acute stroke patients, and from these a dose was selected to be studied in Phase III clinical trials. These efficacy studies have now completed recruitment and data reconciliation is ongoing. GV150526 has the potential to be an effective therapy for acute ischemic stroke.
血栓栓塞性中风是一种严重的致残疾病,其特征是脑血流量突然减少,导致神经元组织缺氧和营养缺乏,随后是永久性脑损伤。越来越多的证据表明,兴奋性毒性参与缺血性脑损伤的发病机制。兴奋性氨基酸受体的过度刺激对神经元细胞的存活是有害的。谷氨酸拮抗剂可以通过多种机制改善缺血性损伤。由于阻断n -甲基- d -天冬氨酸(NMDA)受体的甘氨酸位点似乎提供了更好的副作用,甘氨酸拮抗剂是阻断卒中后兴奋性毒性的有吸引力的靶点。GV150526是一种选择性和有效的甘氨酸拮抗剂,作用于NMDA受体复合物。在体外结合研究中,它以高亲和力和高选择性与甘氨酸位点结合。体内研究表明,GV150526可显著降低脑卒中大脑中动脉闭塞模型的梗死体积。即使治疗延迟至闭塞后6小时,这种效果仍然具有统计学意义。GV150526没有显示出通常与NMDA受体阻滞剂相关的不良反应的证据,例如标准测定中的神经元空泡化或行为测试中的认知障碍。GV150526对小鼠或大鼠的呼吸或心血管没有明显的治疗相关作用,也没有对行为、体温或血压的影响。药代动力学研究表明,GV150526在大鼠和狗体内具有低清除率和分布量。临床前毒理学研究表明,该化合物在这两个物种中都具有良好的耐受性。开展I/II期研究,评估GV150526在健康志愿者和急性中风患者中的安全性、耐受性和药代动力学,并从中选择一种剂量进行III期临床试验。这些疗效研究现已完成招募,数据核对正在进行中。GV150526有潜力成为治疗急性缺血性脑卒中的有效药物。
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引用次数: 2
Functional Abnormalities in the Hippocampus and Impaired Hippocampal‐dependent Learning in Mice Lacking the 5HT1A Receptors 缺乏5HT1A受体的小鼠海马功能异常和海马依赖性学习受损
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2000.TB00183.X
Z. Sarnyai, E. Sibille, C. Pavlides, Robert J. Fenster, B. McEwen, M. Toth
KO animals showedimpairments in hippocampal-dependent learning and memory tests, such as the hiddenplatform (spatial) version of the Morris water maze (MWM) and the delayed version ofY-maze. Performance of KO mice was not impaired in non-hippocampal memory taskssuch as the visible platform (non-spatial) version of the MWM, the immediate version ofthe Y-maze, and the spontaneous alternation test of working memory. These resultsdemonstrate that 5HT
在Morris水迷宫(MWM)的隐藏平台(空间)版本和y型迷宫的延迟版本中,KO动物在海马依赖的学习和记忆测试中表现出损伤。KO小鼠在非海马记忆任务(如MWM的可见平台(非空间)版本、y型迷宫的即时版本和工作记忆的自发交替测试)中的表现未受到损害。这些结果表明5HT
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引用次数: 0
Regulation of Synaptic Stability by Bcl-2 Family Proteins Bcl-2家族蛋白对突触稳定性的调控
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2000.TB00175.X
L. Kaczmarek, E. Jonas
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引用次数: 1
The antidepressant and antiinflammatory effects of rolipram in the central nervous system. 罗利普兰对中枢神经系统的抗抑郁和抗炎作用。
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2001.TB00206.X
Jie Zhu, E. Mix, B. Winblad
Rolipram is a selective inhibitor of phosphodiesterases (PDE) IV, especially of the subtype PDE IVB. These phosphodiesterases are responsible for hydrolysis of the cyclic nucleotides cAMP and cGMP, particularly in nerve and immune cells. Consequences of rolipram-induced elevation of intracellular cAMP are increased synthesis and release of norepinephrine, which enhance central noradrenergic transmission, and suppress expression of proinflammatory cytokines and other mediators of inflammation. In humans and animals rolipram produces thereby a variety of biological effects. These effects include attenuation of endogenous depression and inflammation in the central nervous system (CNS), both effects are of potential clinical relevance. There are some discrepancies between in vitro and in vivo effects of rolipram, as well as between results obtained in animal models and clinical studies. The clinical use of rolipram is limited because of its behavioral and other side effects. Newly developed selective PDE IV inhibitors with presumably higher potency and lower toxicity are currently under investigation.
罗利普兰是磷酸二酯酶(PDE) IV的选择性抑制剂,特别是PDE IVB亚型。这些磷酸二酯酶负责环核苷酸cAMP和cGMP的水解,特别是在神经和免疫细胞中。罗利普兰诱导的细胞内cAMP升高的后果是去甲肾上腺素的合成和释放增加,从而增强中枢去甲肾上腺素能的传递,抑制促炎细胞因子和其他炎症介质的表达。在人类和动物中,罗利普兰因此产生多种生物效应。这些作用包括减弱内源性抑郁和中枢神经系统(CNS)的炎症,这两种作用都具有潜在的临床相关性。罗利普兰在体内和体外的作用,以及动物模型和临床研究的结果都存在一些差异。临床使用罗利普兰是有限的,因为它的行为和其他副作用。新开发的选择性PDE IV抑制剂可能具有更高的效力和更低的毒性,目前正在研究中。
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引用次数: 171
SB 242084: A Selective 5‐HT2C Receptor Antagonist SB 242084:选择性5‐HT2C受体拮抗剂
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2000.TB00147.X
V. Matteo, G. Giovanni, E. Esposito
SB 242084 is the most potent and selective 5-HT2C receptor antagonist thus far available. Thus, SB 242084 has high affinity for the cloned human 5-HT2C receptor with a pKi of 9.0, a much lower affinity for the human cloned 5-HT2B (pKi 7.0) and 5-HT2A (pKi 6.8) receptors, and low affinity for other 5-HT, dopamine, and adrenergic receptors. In the 5-HT-stimulated PI hydrolysis model of 5-HT2C receptor function, SB 242084 was found to be a competitive antagonist with a pKB of 9.3. A series of in vivo studies have shown that SB 242084 is a very effective antagonist of behavioral responses mediated by 5-HT2C receptors such as penile erections, and the hypophagic and hypolocomotor effect of mCPP in rats. In addition, this compound has anxiolytic-like properties. Moreover, SB 242084 increases the basal activity of dopaminergic neurons in the VTA and the in vivo DA release in the nucleus accumbens, and it is capable of blocking the inhibitory effects of mCPP and RO 60-0175 on mesolimbic dopaminergic activity. These data are consistent with the evidence that 5-HT2C receptors exert an inhibitory control upon the mesolimbic dopaminergic system. Taken togheter, the available data on SB 242084 might have implication for the possible use of this compound in the treatment of anxiety, depression, and the negative symptoms of schizophrenia.
SB 242084是迄今为止最有效和选择性的5-HT2C受体拮抗剂。因此,SB 242084对克隆的人类5-HT2C受体具有较高的亲和力(pKi为9.0),对克隆的人类5-HT2B (pKi 7.0)和5-HT2A (pKi 6.8)受体具有较低的亲和力,对其他5-HT、多巴胺和肾上腺素能受体具有较低的亲和力。在5- ht刺激的5-HT2C受体功能的PI水解模型中,发现SB 242084是一种竞争性拮抗剂,pKB为9.3。一系列体内研究表明,SB 242084是一种非常有效的大鼠阴茎勃起等5-HT2C受体介导的行为反应的拮抗剂,以及mCPP的吞咽和低运动作用。此外,这种化合物具有抗焦虑的性质。此外,SB 242084增加了VTA多巴胺能神经元的基础活性和伏隔核体内DA的释放,能够阻断mCPP和RO 60-0175对中边缘多巴胺能活性的抑制作用。这些数据与5-HT2C受体对中脑边缘多巴胺能系统施加抑制控制的证据是一致的。综上所述,SB 242084的现有数据可能意味着该化合物可能用于治疗焦虑、抑郁和精神分裂症的阴性症状。
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引用次数: 28
Ion channel diseases of the central nervous system. 中枢神经系统的离子通道疾病。
Pub Date : 2006-06-07 DOI: 10.1111/J.1527-3458.2001.TB00196.X
Ming Li, H. Lester
In the last decade, advances in molecular genetics and cellular electrophysiology have increased our understanding of ion channel function. A number of diseases termed "channelopathies" have been discovered that are caused by ion channel dysfunction. Channelopathies can be caused by autoimmune, iatrogenic, toxic or genetic mechanisms. Mutations in genes encoding ion channel proteins that disrupt channel function are now the most commonly identified cause of channelopathies, perhaps because gene disruption is readily detected by the methods of molecular genetics. Ion channels are abundant in the central nervous system (CNS), but CNS channelopathies are rare; however, they overlap with some important neurological disorders, such as epilepsy, ataxia, migraine, schizophrenia, Alzheimer's disease and other neurodegenerative diseases. It is possible that more CNS channelopathies will be discovered when additional ion channels are characterized and the complex mechanisms of brain function are better understood. At present, increased knowledge of the identity, structure and function of ion channels is facilitating diagnosis and treatment of many channelopathies.
在过去的十年中,分子遗传学和细胞电生理学的进展增加了我们对离子通道功能的了解。许多被称为“通道病”的疾病已经被发现,它们是由离子通道功能障碍引起的。通道病变可由自身免疫、医源性、毒性或遗传机制引起。编码离子通道蛋白的基因突变破坏了通道功能,这是目前最常见的通道病变原因,也许是因为基因破坏很容易被分子遗传学方法检测到。离子通道在中枢神经系统(CNS)中是丰富的,但CNS通道病变是罕见的;然而,它们与一些重要的神经系统疾病重叠,如癫痫、共济失调、偏头痛、精神分裂症、阿尔茨海默病和其他神经退行性疾病。当更多的离子通道被表征和大脑功能的复杂机制被更好地理解时,可能会发现更多的中枢神经系统通道病变。目前,对离子通道的身份、结构和功能的了解的增加正在促进许多通道病的诊断和治疗。
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引用次数: 25
期刊
CNS drug reviews
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