香港科学家最近发现治疗阿尔兹海默综合症症进入什么阶段,对帕金森患者有效吗?

对R2可帮助帕金森氏症,阿尔兹海默病患获得健康的解析
彭乐涛教授(LifeGen Technologies 共同创办人)一
对R2可帮助帕金森氏症,阿尔兹海默病患获得健康的解析:
随着年龄增长,我们的能量工厂(腺粒体)机能变得较差。细胞的其他高活性部分
(如细胞核)也可能受到损伤,随之而来的便是基因表达的功能性改变。这些多重的内源性老化根源可能作用于多重组织,但在各个组织的作用程度不同。内源性老化根源之长期影响因素之一是基因表达模式的改变,进而导致细胞机能失调。
R2可帮助帕金森氏症,阿尔兹海默病患获得健 康的解析:
1:帕金森病是一种慢性神经系统退行性疾,患者黑质中线粒体酶复合体Ⅰ缺陷会导致自由基
产生增多,ATP合成减少。能量的减少会造成细胞内外离子失衡,介导了兴奋毒性的细胞损伤,造成神经元死亡。在PD早期如能改善线粒
体功能,阻止程序化死亡加剧,将有助于保护残存的神经元,阻止疾病进程。
2:阿尔茨海默病(AD)作为老年性痴呆的一种重要类型,是中枢神经系统的一种渐进性退行性疾病。线粒体能量代谢障碍以及基于钙稳态破坏和活性氧产生为基础的神经元兴奋性毒性。
患者脑组织氧化,并且能量代谢受损,表现为脑部葡萄糖利用减少,脑脊液中乳酸含量增
高,而琥珀酸、延胡索酸、谷氨酰胺含量降低,这些表明AD患者脑线粒体氧化代谢过程受 损。 根据R2的研究理论及临床作用,重新启动恢复
人体线粒体功能,因此在临床治疗效果上针对上述疾病特点一定有确信的功效,在我们经营和体验过程中我们也确认了对上述病症的临床效果,相信会有更多临床见证分享给大家。
ageLOC科技拥有世界最全的基因数据库,让我
们期待强大且顶尖的Nuskin科学家顾问团将人类线粒体蛋白组数据库更加完善,以便将来与病变组织线粒体蛋白质表达谱进行比对,从而行比对,从而
确定有意义的线粒体蛋白功能。
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阿尔兹海默病和帕金森综合症
长江网 /ynbz/4441342.html 13:19:23来源:
  四川哪有治疗帕金森好的医院?我想由于生活环境的不同,那么大家对于各种疾病的熟悉程度也是不一样的,那么生活当中有很多的帕金森疾病的患者,那么如果想让这类疾病的患者康复我们就需要懂得帕金森的治疗知识。
  四川哪有治疗帕金森好的医院
  帕金森病患者饮食与普通人的有许多相同的基本原则,但还需要根据自身病情对饮食作适当调整。建议帕金森病患者采用以下的饮食原则:
  食物多样,愉快进餐
  一天的饮食中食物应多种多样,包含谷类、蔬菜瓜果类、奶类或豆类、肉类等。多样化食物能满足身体对各种营养的需要,也使饮食本身富于乐趣。在轻松的环境和气氛中愉快进餐,让饮食作为一种生活享受。
  多吃谷类和蔬菜瓜果
  通常每天吃300~500克的谷类食物,如米、面、杂粮等。从谷类中主要能得到碳水化合物、蛋白质、膳食纤维和维生素B等营养,并能获取身体所需的能量。碳水化合物通常不影响左旋多巴的药效。
  每天大约吃蔬300克的蔬菜或瓜类,1~2只中等大小的水果。从中获得维生素A、B、C、多种矿物质和膳食纤维。
  经常适量吃奶类和豆类
  奶类含丰富的钙质。钙是骨胳构成的重要元素,因此对于容易发生骨质疏和骨折的老年帕金森氏病患者来说,每天喝1杯牛奶或酸奶是补充身体钙质的极好方法。但是由于牛奶中的蛋白质成分可能对左旋多巴药物疗效有一定的影响作用,为了避免影响白天的用药效果,建议喝牛奶安排在晚上睡前。另外,吃豆腐、豆腐干等豆制品也可以补充钙。
  据研究报导,蚕豆(尤其是蚕豆荚)中含天然的左旋多巴,在帕金森氏病患者的饮食中加入蚕豆,能使患者体内左旋多巴和甲基多巴肼复合药物 (如息宁 )的释放时间从通常的2小时延长至5小时。蚕豆的这种功能可能对帕金森病的治疗有所帮助,但仍需作进一步的实验明。
  对于帕金森的治疗我们还是建议以食疗为主要的治疗方式,因为通过食疗对于帕金森这种疾病进行治疗一个是效果比较明显,在一个就是可以取得我们想要的效果,而且我们也是比较容易实施的。
  上面就是小编对“阿尔兹海默病和帕金森综合症”的介绍。相信大家都有所了解了。医生提醒大家一定要去正规的医院里做治疗,如果你还想了解这方面的知识,你也可以在线咨询医生。(编辑:马到功成)
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>> 帕金森症患者的福音!FDA批准艾伯维帕金森症长效疗法上市
帕金森症患者的福音!FDA批准艾伯维帕金森症长效疗法上市
来源:生物谷
日讯 /生物谷BIOON/ --随着老年化社会的进程,医药企业都越来越重视如帕金森症、阿尔兹海默症等神经退行性疾病的研究。然而,限于目前医学界对这类疾病认识水平,这类药物也一直是医药产业界的重灾区。不过,最近艾伯维宣布公司开发的用于治疗晚期帕金森症患者运动波动的药物DUOPA获得FDA的上市批准,这一利好消息无疑对今后生物医药产业界更好地开发这类药物打了一针强心剂。
DUOPA是目前市面上第一种畅销治疗帕金森症患者运动波动的药物。它主要是通过一个小型药物泵将卡比多巴和左旋多巴注入人体,以达到治疗效果。这种疗法的持续时间可以长达16个小时,极大程度上降低了患者的负担和痛苦。与传统的口服卡比多巴和左旋多巴不同,DUOPA是将药物直接泵入到小肠部位,避过了患者的胃部,从而避免了胃部的酸性环境和酶类对药物的破坏,保证药效。
此次FDA批准DUOPA作为罕见病药物上市。研究人员称,这一决定将在很大程度上缓解目前重度帕金森症患者对治疗运动波动的疗法的需求。临床三期研究显示,使用了DUOPA的患者临床症状获得了明显缓解。
所谓帕金森症,是一种神经退行性疾病,它可以造成患者出现震颤、肌肉僵硬、动作缓慢等等症状,这主要是与大脑中一种分泌多巴胺的细胞数量减少直接相关。目前,科学家们尚没有办法治愈这种疾病,仅能通过药物缓解这种疾病的症状。据估计,美国目前有一百万人患有这种疾病,而每年还有6万例新增病例出现。(生物谷)
详细英文报道:
NORTH CHICAGO, Ill., Jan. 12, 2015 -- The U.S. Food and Drug Administration (FDA) has approved AbbVie's (NYSE: ABBV) DUOPA? (carbidopa and levodopa) enteral suspension for the treatment of motor fluctuations for people with advanced Parkinson's disease. DUOPA is administered using a small, portable infusion pump that delivers carbidopa and levodopa directly into the small intestine for 16 continuous hours via a procedurally-placed tube.
DUOPA was approved by the FDA as an orphan drug, a designation granted to products intended for the treatment of rare diseases or conditions affecting fewer than 200,000 patients in the U.S.
"There is unmet need for treatment options for patients with advanced Parkinson's disease. As the disease advances, it can be difficult to control motor features," said C. Warren Olanow, M.D., Professor, Department of Neurology and Department of Neuroscience, Mount Sinai School of Medicine, and lead investigator of the DUOPA pivotal trial. "In clinical trials, DUOPA was shown to significantly reduce the amount of off time advanced Parkinson's disease patients experienced."
In the advanced stages of Parkinson's disease, patients may begin to experience "off" time, or periods of poor mobility, slowness and stiffness. Additionally, in Parkinson's disease patients, the spontaneous emptying of the stomach becomes delayed and unpredictable, which can affect the timing of when orally administered medicines leave the stomach and are absorbed in the small intestine. DUOPA provides patients with the same active ingredients as orally-administered carbidopa and levodopa immediate release, but is delivered in a suspension that goes directly into the small intestine via a tube placed by a percutaneous endoscopic gastrostomy procedure with jejunal extension (PEG-J). This type of administration is intended to bypass the stomach.
"The FDA approval of DUOPA is another significant milestone for AbbVie's pipeline," saidMichael Severino, M.D., Executive Vice President, Research and Development and Chief Scientific Officer, AbbVie. "This advancement is important for patients with advanced Parkinson's disease and their care teams, as it provides a new therapeutic option to help manage motor symptoms."
"Due to the progressive nature of Parkinson's disease, it can be difficult to treat over time, especially in the advanced stages," said Joyce Oberdorf, President and CEO, National Parkinson Foundation. "Our organization is encouraged by the introduction of a new therapy that may provide another treatment option for affected patients and families."
About the Duopa Clinical Trial Program
The DUOPA approval is based on a Phase 3, 12-week, double-blind, double-placebo, active control, parallel group, multi-center trial (N=71) that compared the efficacy and safety of DUOPA to oral, immediate-release (IR) carbidopa-levodopa tablets in advanced Parkinson's disease patients. The study showed that DUOPA significantly reduced daily (per 16 waking hours) mean "off" time at 12 weeks by four hours, which resulted in an average of 1.9 fewer hours of "off time" when compared to carbidopa-levodopa IR tablets. Treatment with DUOPA was also associated with an improved mean "on" time (periods when the medication is working and symptoms are controlled) without troublesome dyskinesia (uncontrolled movement that does not interfere with normal daily activities) by four hours at 12 weeks, which resulted in an average of 1.9 hours more "on" time when compared to carbidopa-levodopa IR tablets. The most common adverse events (&7% and greater than carbidopa and levodopa immediate release) were complication of device insertion, nausea, constipation, incision site erythema, dyskinesia, depression, post procedural discharge, peripheral edema, hypertension, upper respiratory tract infection, oropharyngeal pain, atelectasis, confusional state, anxiety, dizziness and hiatal hernia.
About Parkinson's Disease
Parkinson's disease is a progressive and chronic movement disorder1 characterized by tremor, muscle rigidity, slowness of movement and difficulty with balance.2 It is classified as a movement disorder resulting from the loss of dopamine-producing brain cells.3 The motor symptoms of Parkinson's disease begin when approximately 60-80 percent of the dopamine-producing cells in the brain are lost and symptoms continue to worsen slowly over the course of time.4 While there is no known cure for the disease, there are treatments available to help reduce symptoms.3
As Parkinson's disease progresses, patients may experience fluctuations from an "on" state to an "off state," during which they are slower, stiffer and experience more difficulty moving. Patients may also experience dyskinesias (involuntary movements).
In the United States, it is estimated that 60,000 new cases of Parkinson's disease are reported each year, adding to as many as 1 million people who currently have the disease.
AbbVie has launched a product support program, called DuoConnect?, which is intended to provide a broad range of support for DUOPA patients. The DuoConnect program can be accessed soon by calling 1-844-DUO-4YOU (1-844-386-4968).
Additionally, for people living with advanced Parkinson's disease who face financial difficulties, the AbbVie Patient Assistance Program may provide DUOPA at no cost. A co-pay assistance program will be available for commercially-insured patients being treated with DUOPA.
AbbVie also supports independent non-profit organizations that assist eligible patients enrolled in federal and private insurance plans with their out-of-pocket medication costs.
About DUOPA (carbidopa and levodopa) enteral suspension
DUOPA is a new approach to the administration of carbidopa and levodopa for the treatment of motor fluctuations for people with advanced Parkinson's disease. Carbidopa-levodopa is widely recognized as an effective treatment for motor fluctuations of the disease.5 DUOPA was reviewed and approved by the FDA as a combination product with use of the CADD Legacy 1400 pump.
Carbidopa and levodopa enteral suspension is currently approved in 41 countries and is marketed by AbbVie as DUODOPA? outside the United States.
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帕金森症简介
帕金森病(Parkinsonism′disease,&PD)是一种常见的进行性中枢神经变性疾病,好发于中老年人。随着社会逐步进入老龄化,PD患病人数有增加趋势。PD属于运动障碍性疾病,临床主要症状是静态性震颤、僵硬、行动迟缓、走路困难等,随着时间的延长,病情呈进行性加重,严重影响病人的生活质量,给社会和家庭带来了严重的负担。
纳米药物载体在帕金森症药物治疗上的应用
多巴胺运载系统
Trapani等人将多巴胺装载在壳聚糖纳米粒子中,药物在小鼠体内吸收后发现纹状体多巴胺生成增多,并且跨越MDCKII-MDR1细胞转运也有所增加。在另一项试验中,为了减少帕金森症口服药物治疗的副作用,Pillay等人设计了一种定点释放多巴胺的颅内纳米装置,&体内和体外试验结果表明,多巴胺在脑脊液中的浓度相对与全身浓度显著升高。
多巴胺受体激动剂运载系统
Esposito等人将多巴胺受体激动剂溴麦角环肽包封在纳米结构脂质载体中,这种纳米结构的脂质是由三硬脂酸甘油酯构成,以泊咯沙姆188作为稳定剂,提高了小鼠体内溴麦角环肽的半衰期。另外Md等人将溴麦角环肽包裹在壳聚糖纳米粒子中制成鼻内剂,对帕金森症模型的小鼠体内实现鼻腔入脑的运转。也有研究者将阿朴吗啡包裹在单硬脂酸甘油酯的纳米粒子中来提高口服生物利用度和大脑区域分布。Hwang等人将阿朴吗啡包裹在全氟化碳纳米气泡中来提高稳定性并减少注射剂量。纳米气泡由椰子油和全氟戊烷作为内相,由磷脂和胆固醇作为外相。这种剂型可保护阿朴吗啡不被降解,从而使其具有延长和持续释放的性质,在进行超声研究时,当作用于纳米气泡的超声为1&MHz时,药物释放会增加。
多巴胺前体运载系统
Kondrasheva等人设计了一种新型的左旋多巴纳米载体,这种剂型是由聚乳酸纳米粒子制成鼻内剂,可以维持持续的运动功能恢复提高帕金森症小鼠模型的药效。Ngwuluka等人使用的甲基丙烯酸酯共聚物-脂质纳米颗粒(MCN)系统来递送口服左旋多巴。这种纳米粒子是采用多交联技术制成的,并且具有多个属性,研究人员发现他们的纳米粒子可以持续的释放左旋多巴,并认为这种运载系统可以实现口服持续的定向给药。
抗氧化剂运载系统
对于抗氧化活性,辅酶Q10显示出抑制百枯草、鱼藤酮诱导的线粒体功能障碍和大鼠脑原代神经元神经退行性变的能力。因此,可以将辅酶Q10封装在聚乳酸纳米粒子、纳米结构脂质载体、纳米晶和聚乙二醇复合物中控制其释放,提高药物代谢动力学参数。
胆碱酯酶抑制剂运载系统
Joshi等人将用来治疗阿尔兹海默症的可逆的乙酰胆碱酯酶抑制剂卡巴拉汀酒石酸盐(治疗帕金森症处于临床阶段)装载在聚乳酸纳米粒子中,以泊洛沙姆407作为稳定剂,另外又将其装载在聚氰基丙烯酸正丁酯纳米粒中,以泊洛沙姆188作为稳定剂。这两种制剂采用静脉注射给药。研究发现他们都可以将药物输送到大脑,快速恢复失忆小鼠的记忆。同时这些稳定剂降低了血脑屏障水平的P-糖蛋白表达。
神经营养因子运载系统
人胶质源性神经生长因子装载在具有聚乙二醇链的聚酰胺-胺型树枝状高聚合物纳米粒子中,制成静脉注射剂,增加了自发活动,减少了多巴胺能神经元损失&,并且增加了单胺水平。另外,将神经胶质细胞源性的神经营养因子包裹于脂质体中,也可以发挥神经保护作用。
尽管前面提到了很多近期研究中的有利结果,仍然需要延长药物的释放时间来降低药物浓度的波动,并且提高载药量以及更加有效的表面功能来发挥“隐身”性质。而且很少体外研究显示血脑屏障没有被破坏,也没有研究描述了蛋白与电晕之间可能的相互作用。在前面提到的大部分例子中,缺少对长期副作用的报道,而探索了副作用的研究中,也没有发现不良结果。因此,需要探索新的评估方法,确保今后的临床试验可以顺利进行。&
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