Lentiviral-mediated growth factor gene therapy for neurodegenerative diseases
    4.
    发明授权
    Lentiviral-mediated growth factor gene therapy for neurodegenerative diseases 失效
    慢病毒介导的神经变性疾病生长因子基因治疗

    公开(公告)号:US06800281B2

    公开(公告)日:2004-10-05

    申请号:US10008610

    申请日:2001-11-08

    CPC classification number: C12N15/86 A61K48/00 C07K14/4756 C12N2740/15043

    Abstract: Disclosed and claimed are methods for treating or preventing neurodegenerative diseases, conditions or maladies or symptoms or physiology associated therewith, such as treating or preventing Parkinson's disease or symptoms or physiology associated therewith such as motor deficits or nigrostriatal degeneration; or, for inducing nigrostriatal regeneration. Advantageously, the methods involve administering a lentiviral vector that expresses GDNF, such as human GDNF, or a variant, homolog, analog or derivative thereof.

    Abstract translation: 公开并要求保护的是用于治疗或预防神经变性疾病,病症或疾病或症状或与之相关的生理学的方法,例如治疗或预防帕金森病或与之相关的症状或生理学,例如运动缺陷或黑质纹状体变性; 或用于诱导黑质纹状体再生。 有利地,所述方法包括施用表达GDNF的慢病毒载体,例如人GDNF,或其变体,同系物,类似物或衍生物。

    Devices for neural signal transmission
    9.
    发明授权
    Devices for neural signal transmission 失效
    神经信号传输装置

    公开(公告)号:US4878913A

    公开(公告)日:1989-11-07

    申请号:US93371

    申请日:1987-09-04

    CPC classification number: A61F2/72

    Abstract: Devices and methods for transmitting neural signals from a proximal stump of a transected nerve to a prosthetic apparatus are disclosed employing microelectrodes, preferably conductive fiber networks, capable of sensing electrical signals from a nerve and transmitting such signals to a prosthetic apparatus; and a semipermeable guidance channel disposed about the microelectrodes. The channels include an opening adapted to receive the proximal stump of a transected nerve, such that the channel promotes the growth of the stump and the formation of an electrical connection between the transected nerve and the microelectrode.

    Chitosan core matrix containing cells encapsulated in a thermoplastic
semipermeable membrane
    10.
    发明授权
    Chitosan core matrix containing cells encapsulated in a thermoplastic semipermeable membrane 失效
    壳聚糖核心基质含有包封在热塑性半透膜中的细胞

    公开(公告)号:US6140089A

    公开(公告)日:2000-10-31

    申请号:US251004

    申请日:1999-02-16

    Abstract: Encapsulated viable cells for implanting are prepared having cells dispersed in a particulate, essentially non cross-linked chitosan core matrix that is enclosed within a semipermeable membrane. The cells are entrapped between chitosan particles of the core matrix and there is essentially no interfacial cross-linking between the core matrix and the membrane. The core matrix provides a physical support for the cells such that the cells are evenly dispersed throughout the core matrix so as to allow their maintenance, growth, proliferation and differentiation. The encapsulated cells may be prepared by mixing viable cells with a solution of chitosan, encapsulating the resultant mixture in a thermoplastic semipermeable membrane, and causing the chitosan to precipitate such as by changing the pH to form the core matrix. Alternatively, the chitosan in solution is precipitated to form the core matrix containing cells, and the core matrix is encapsulated in a semipermeable membrane. Cells encapsulated include neurosecretory cell lines, .beta.-cell-derived cells lines, fibroblasts, myocytes and glial cells.

    Abstract translation: 制备用于植入的包封的活细胞,其具有分散在颗粒状基本上非交联壳聚糖核心基质中的细胞,其被包封在半透膜内。 细胞被截留在核心基质的壳聚糖颗粒之间,并且核心基质和膜之间基本上没有界面交联。 核心基质为细胞提供物理支持,使得细胞均匀地分散在整个核心基质中,以便使其维持,生长,增殖和分化。 包封的细胞可以通过将活细胞与壳聚糖溶液混合,将所得混合物包封在热塑性半透膜中并使壳聚糖沉淀,例如通过改变pH以形成核心基质来制备。 或者,将溶液中的壳聚糖沉淀以形成含核心基质的细胞,并将核心基质包封在半透膜中。 包封的细胞包括神经分泌细胞系,β-细胞来源的细胞系,成纤维细胞,肌细胞和神经胶质细胞。

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