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The 7th Biennial Meeting of the European Behavioral Pharmacology Society (EBPS'98), a Joint Meeting with the Behavioral Pharmacology Society Brno, Czech Republic, September 2–6, 1998 欧洲行为药理学学会第七届双年会议(EBPS'98),与行为药理学学会布尔诺联合会议,捷克共和国,1998年9月2-6日
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00072.X
A. Šulcová
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引用次数: 0
E‐5842: A New Potent and Preferential Sigma Ligand. Preclinical Pharmacological Profile E‐5842:一种新的有效和优先的Sigma配体。临床前药理概况
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00065.X
X. Guitart, X. Codony, M. Ballarín, A. Dordal, A. Farré
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引用次数: 29
Ipidacrine (NIK-247): A Review of Multiple Mechanisms as an Antidementia Agent Ipidacrine (NIK-247):作为抗痴呆药物的多种机制综述
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00067.X
J. Kojima, K. Onodera, M. Ozeki, K. Nakayama
Ipidacrine (NIK-247, 9-amino-2,3,5,6,7,8-hexahydro-1H-cyclopenta[b]quinoline monohydrochloride monohydrate) is a novel substance synthesized by the National Research Center for Biologically Active Compounds in the Russian Federation. Ipidacrine was earlier referred to by the chemical name amiridine (7). This compound contains the structure of 4-aminopyridine and is structurally very similar to tacrine (9-amino-l,2,3,4-tetrahydroacridine hydrochloride hydrate), as is shown in Fig. 1. It has been reported that ipidacrine blocks specific [3H]tacrine binding (43). Tacrine is an antidementia agent that can inhibit acetylcholinesterase (EC 3.1.1.1.7, AChE) (21,26,48,50). Senile dementia has been associated with a loss of cholinergic neurotransmission, which is essential for some cognitive functions (20,53). Degeneration of basal forebrain cholinergic neurons in the nucleus basalis of Meynert (NBM) and deficiencies of acetylcholine and choline acetyltransferase (EC 2.3.1.6.) are known to occur in Alzheimer’s disease (10,72). This cholinergic hypothesis has led to the development of compounds that are capable of improving cholinergic neurotransmission in the brain. Among the various approaches to enhancement of the cholinergic system, inhibition of the degrading enzyme (AChE) is presently the most promising in terms of providing candidate drugs for treatment of patients with dementia (16,32,57,63). Recently, tacrine and E-2020 (1-benzyl-4-[{5,6-dimethoxy1-indanon}-2-yl]methylpiperidine hydrochloride, Eisai Co., Ltd., Tokyo, Japan), a pure AChE inhibitor, won FDA approval for treating Alzheimer’s Disease (Fig. 1) (57). A number of additional AChE inhibitors await approval; however, CI-1002 is not one of them, since it was disqualified in phase I clinical trials. Therefore, we discuss in this paper
Ipidacrine (nik - 247,9 -氨基-2,3,5,6,7,8-六氢- 1h -cyclopenta[b]喹啉单盐酸盐一水合物)是由俄罗斯联邦国家生物活性化合物研究中心合成的一种新型物质。Ipidacrine之前的化学名称是amiridine(7)。该化合物含有4-氨基吡啶的结构,结构与他克林(9-氨基- 1,2,3,4 -四氢吖啶盐酸盐水合物)非常相似,如图1所示。有报道称,ipidacrine可阻断特异性[3H]tacrine结合(43)。他克林是一种抗痴呆药,可以抑制乙酰胆碱酯酶(EC 3.1.1.1.7, AChE)(21,26,48,50)。老年性痴呆与胆碱能神经传递的丧失有关,胆碱能神经传递对某些认知功能至关重要(20,53)。Meynert基底核(NBM)基底前脑胆碱能神经元变性和乙酰胆碱和胆碱乙酰转移酶(EC 2.3.1.6.)缺乏已知发生在阿尔茨海默病中(10,72)。这种胆碱能假说导致了能够改善大脑胆碱能神经传递的化合物的发展。在增强胆碱能系统的各种方法中,抑制降解酶(AChE)是目前最有希望为治疗痴呆症患者提供候选药物的方法(16,32,57,63)。最近,他林和纯AChE抑制剂E-2020(1-苄基-4-[{5,6-二甲氧基-吲哚酮}-2-基]盐酸甲基哌啶,卫材株公司,东京,日本)获得FDA批准用于治疗阿尔茨海默病(图1)(57)。其他一些AChE抑制剂正在等待批准;然而,CI-1002不是其中之一,因为它在I期临床试验中被取消了资格。因此,我们在本文中进行讨论
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引用次数: 13
XIIIth International Congress of Pharmacology Munich, Germany, July 26–31, 1998 New Drugs Affecting Central Nervous System 第十三届国际药理学大会,慕尼黑,德国,1998年7月26-31日,影响中枢神经系统的新药
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00070.X
A. Scriabine
M. Csejtei et al. (Gedeon Richter Ltd., Budapest, Hungary) reported pharmacological studies with RGH-2716 (8-{4,4-bis(4-fluorophenyl)butyl}-3-1,1-dimethylethyl)-4-methylene-1-oxa-3,8-diazaspiro{4,5}decan-2-one), known also as TDN-345. This drug was reported to protect ischemic brain tissue from energy loss in mice at doses ranging from 3 to 30 mg/kg i.p. At 0.1 to 10 μM it blocked veratridine-induced release of [3H]dopamine or [3H]norepinephrine in rat brain slices. It is thought to prevent elevation of intracellular Ca2+ levels and inhibit voltage-gated Na+ channels in neurons. Gedeon Richter Ltd. is developing RGH-2716 as a memory-enhancing and neuroprotective drug in collaboration with Takeda Chemical Industries of Japan. M. Paroczai et al. (Gedeon Richter Ltd., Budapest, Hungary) reported behavioral effects of RGH 5279 ([–]-transapovincaminic acid-[acetoxy]ethyl ester [3β, 16α]) in rats. RGH-5279 was previously reported to have neuroprotective activity and to inhibit lipid peroxidation in animals. It was now found to antagonize learning and memory deficits induced by diazepam or scopolamine in young rats in the water labyrinth test. It was effective in a retrograde amnesia model at doses as low as 3 mg/kg p.o. It was also effective as a cognition enhancer in rats with basal forebrain lesions. K. Iwasaki et al. (Fukuoka Univ., Japan) reported that the muscarinic (M1) partial agonist SB202026A ({R-(Z)}-α-(methoxyimino)-1-azabicyclo{2,2,2}octane-acetonitrile monohydrochloride) improved deficits in spatial cognition induced by scopolamine, pirenzepine, or experimental brain ischemia in rats. At doses as low as 1 μg/kg i.p., SB202026A decreased errors in radial maze task. The drug is under development for the treatment of Alzheimer’s disease.
M. Csejtei等人(Gedeon Richter Ltd., Budapest, Hungary)报道了RGH-2716(8-{4,4-双(4-氟苯基)丁基}- 3,1 -二甲基乙基)-4-亚甲基-1-氧-3,8-重氮斯皮罗{4,5}癸烷-2- 1)的药理学研究,也称为TDN-345。本品在剂量为3 ~ 30 mg/kg / p时,对小鼠缺血脑组织的能量损失有保护作用。在0.1 ~ 10 μM时,可阻断舍曲定诱导的[3H]多巴胺或[3H]去甲肾上腺素在大鼠脑切片中的释放。它被认为可以防止细胞内Ca2+水平的升高,并抑制神经元中的电压门控Na+通道。Gedeon Richter有限公司正在与日本武田化学工业公司合作开发RGH-2716,作为一种增强记忆和神经保护的药物。M. Paroczai等人(Gedeon Richter Ltd., Budapest, Hungary)报道了RGH 5279([-]-转apovinaminic acid-[乙酰氧基]乙酯[3β, 16α])对大鼠行为的影响。RGH-5279在动物中具有神经保护活性和抑制脂质过氧化作用。在水迷宫实验中发现它能拮抗地西泮或东莨菪碱引起的幼鼠学习记忆缺陷。低至3 mg/kg / o的剂量对逆行性遗忘模型有效,对基底前脑病变大鼠的认知增强也有效。K. Iwasaki等人(日本福冈大学)报道,毒虫碱(M1)部分激动剂SB202026A ({R-(Z)}-α-(甲氧基亚胺)-1-阿沙比环{2,2,2}辛烷-乙腈单盐酸)可改善大鼠由东莨菪碱、吡仑西平或实验性脑缺血引起的空间认知缺陷。在低剂量1 μg/kg i.p下,SB202026A可降低径向迷宫任务的误差。这种药物正在开发中,用于治疗阿尔茨海默病。
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引用次数: 1
Preclinical and Pharmacological Studies of AG284, a Soluble HLA‐DR2:Myelin Basic Protein Peptide Complex for the Treatment of Multiple Sclerosis 可溶性HLA - DR2:髓鞘碱性蛋白肽复合物AG284治疗多发性硬化症的临床前和药理研究
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00066.X
E. Spack, N. Wehner, J. Winkelhake
The recent approvals of Betaseron, Avonex, and Copaxone have improved treatment options for multiple sclerosis (MS), but these therapeutics delay the progression of disease in only ~30% of the patient population. There remains an unmet need for MS therapeutics, and several new drugs enter clinical testing each year in an attempt to meet this need (37,38). This review summarizes the development of an antigen-specific therapeutic comprised of a solubilized major histocompatibility complex (MHC) molecule bearing an autoantigenic peptide of myelin basic protein, called AG284, and the initiation of its phase I clinical trial in MS. The combination of MHC molecule, peptide, and detergent excipient in AG284 presented several unique challenges in the formulation of this drug and in the analysis of its biodistribution and stability. Furthermore, the considerable polymorphism of MHC molecules complicated preclinical efficacy studies, as well as tests of toxicity and immunogenicity. Other challenges that were also encountered in other recent MS clinical trials included a dearth of simple, sensitive surrogate markers, particularly for tracking T-cell reactivity. The preclinical testing and trial design of AG284 reviewed here illustrate several of the challenges likely to face other antigen-specific therapeutics, and some of the solutions detailed herein may have applications for similar trials in other diseases.
最近批准的Betaseron、Avonex和Copaxone改善了多发性硬化症(MS)的治疗选择,但这些治疗方法仅延缓了约30%的患者的疾病进展。对多发性硬化症治疗的需求仍未得到满足,每年都有几种新药进入临床试验,试图满足这一需求(37,38)。本文综述了一种抗原特异性治疗药物的发展,该药物由一种含有髓鞘碱性蛋白自身抗原肽的可溶性主要组织相容性复合体(MHC)分子组成,称为AG284,并在多发性硬化症中开始了I期临床试验。在AG284中,MHC分子、肽和洗涤剂辅料的组合在该药物的配方、生物分布和稳定性分析中提出了几个独特的挑战。此外,MHC分子的大量多态性使临床前疗效研究以及毒性和免疫原性测试复杂化。在最近的其他MS临床试验中也遇到了其他挑战,包括缺乏简单、敏感的替代标记物,特别是用于跟踪t细胞反应性的标记物。本文回顾的AG284的临床前测试和试验设计说明了其他抗原特异性治疗可能面临的几个挑战,并且本文详细介绍的一些解决方案可能适用于其他疾病的类似试验。
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引用次数: 9
Nucleotides and their receptors in the nervous system, Leipzig, Germany, August 1-2, 1998 神经系统中的核苷酸及其受体,德国莱比锡,1998年8月1-2日
Pub Date : 1998-09-01 DOI: 10.1111/J.1527-3458.1998.TB00071.X
L. Köles
This symposium was organized by P. Illes (Univ. Leipzig, Germany), A. Reichenbach (Paul-Flechsig Institute for Brain Research, Leipzig, Germany) and H. Zimmermann (Univ. Frankfurt/Main, Germany). More than 150 experts on purinergic transmission met at a historical building of the University of Leipzig in the center of the town. The symposium consisted of 32 twenty-minute-long lectures by invited speakers from eleven countries. In addition, 50 posters were presented in two poster sessions. After an informal gathering of speakers, participants and guests on Friday evening, the official scientific program of the conference began on Saturday by the opening addresses of T. Butz (Univ. Leipzig) and P. Illes. The first session was chaired by E. A. Barnard (Royal Free Hospital School of Medicine, London, UK) and G. Burnstock (from the same institution). The first speaker of this session was one of the chairmen, G. Burnstock. He gave an outstanding lecture on the current status of purinergic signalling in the nervous system. He reviewed the history of purinergic transmission, from the early 1970s until now. The “purinergic nerve” hypothesis was proposed in 1972, with evidence to suggest that ATP is a neurotransmitter in some non-adrenergic, non-cholinergic nerves. Later it became evident that ATP is a cotransmitter with classical transmitters in autonomic and sensory-motor nerves. In 1978, receptors to purines were shown to belong to two main subtypes: P1 purinoceptors, which are selective for adenosine, and P2 purinoceptors, which are selective for ATP and ADP. Subsequently, subtypes of P1 purinoceptors: A1, A2a, A2b, and A3 were identified. Burnstock and colleagues proposed the subclassification of P2 purinoceptors into P2X and P2Y receptors. Further investigations revealed that the P2X receptors, which are ligand-gated cation channels, can be subclassified to at least seven subtypes, while the P2Y receptor family (G protein-coupled receptors) consists of at least 10 subtypes. G. Burnstock mentioned some new aspects of the purinergic research field at the end of his excellent presentation. P2X and P2Y receptors are present on sensory nerves, and might play an important role in mechanoception and nociception. There is rapidly expanding interest in purinergic signalling in the brain and spinal cord. The plasticity of purinergic cotransmission has a remarkable role in some pathophysiological conditions (e.g., interstitial cystitis, outflow obstruction of the bladder, hypertension). Apart from “fast” purinergic signalling in the nervous system, nucleotides play long-term (trophic) roles in development and degeneration.
本次研讨会由P. Illes(德国莱比锡大学)、A. Reichenbach(德国莱比锡paul - flehsig脑研究所)和H. Zimmermann(德国法兰克福大学)共同主办。150多名研究嘌呤能传播的专家在市中心的莱比锡大学的一座历史建筑里会面。专题讨论会由来自11个国家的特邀发言者进行32次20分钟的演讲。此外,在两次海报会议上展出了50幅海报。周五晚上,在演讲者、参与者和嘉宾的非正式聚会之后,会议的正式科学项目于周六开始,由T. Butz(莱比锡大学)和P. Illes的开幕词开始。第一届会议由e.a. Barnard(英国伦敦皇家自由医院医学院)和G. Burnstock(来自同一机构)主持。这次会议的第一位发言人是主席之一G. Burnstock。他就神经系统嘌呤能信号传导的现状作了一次出色的演讲。他回顾了嘌呤能传播的历史,从20世纪70年代早期到现在。“嘌呤能神经”假说于1972年提出,有证据表明ATP是一些非肾上腺素能、非胆碱能神经中的一种神经递质。后来发现ATP在自主神经和感觉运动神经中与经典递质是一种共递质。1978年,嘌呤受体被证明属于两种主要亚型:P1嘌呤受体,对腺苷有选择性,P2嘌呤受体,对ATP和ADP有选择性。随后,鉴定出P1嘌呤受体A1、A2a、A2b和A3亚型。Burnstock等人提出P2嘌呤受体亚分类为P2X和P2Y受体。进一步的研究表明,作为配体门控阳离子通道的P2X受体可以被细分为至少7个亚型,而P2Y受体家族(G蛋白偶联受体)至少包括10个亚型。G. Burnstock在他精彩的演讲结束时提到了嘌呤能研究领域的一些新方面。P2X和P2Y受体存在于感觉神经上,可能在机械感觉和伤害感觉中起重要作用。人们对脑和脊髓中的嘌呤能信号的兴趣正在迅速扩大。嘌呤能共传递的可塑性在一些病理生理条件(如间质性膀胱炎、膀胱流出梗阻、高血压)中具有显著的作用。除了神经系统中的“快速”嘌呤能信号外,核苷酸在发育和退化中起着长期(营养)作用。
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引用次数: 0
Lomerizine (KB-2796), a New Antimigraine Drug 抗偏头痛新药洛美嗪(KB-2796)
Pub Date : 1995-09-01 DOI: 10.1111/J.1527-3458.1995.TB00284.X
H. Hara, T. Morita, T. Sukamoto, F. M. Cutrer
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引用次数: 33
The Pharmacology of GYKI‐46 903, a New Cognition Enhancer 新型认知增强剂GYKI - 46 903的药理作用
Pub Date : 1995-09-01 DOI: 10.1111/J.1527-3458.1995.TB00280.X
B. Vitális, A. Bakonyi, V. Csillik-Perczel, E. Horváth, K. Horváth, I. Máté, J. Székely, T. Yemane, G. Ábrahám, S. Sólyom, L. G. Hársing
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引用次数: 2
Imidazenil: A Potent Benzodiazepine Partial Positive Modulator of GABAergic Transmission Virtually Devoid of Tolerance Liability 咪唑尼:一种有效的苯二氮卓类药物部分正调制剂的gaba能传输几乎没有耐受责任
Pub Date : 1995-09-01 DOI: 10.1111/J.1527-3458.1995.TB00282.X
E. Costa, D. M. Thompson, J. Auta, A. Guidotti
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引用次数: 3
4-Aminopyridine: Use in Multiple Sclerosis 4-氨基吡啶:用于多发性硬化症
Pub Date : 1995-09-01 DOI: 10.1111/J.1527-3458.1995.TB00286.X
C. Bever
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引用次数: 13
期刊
CNS drug reviews
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