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Parkinson's Disease Methods and Protocols

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  • Saadedin
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    Parkinson's Disease: Methods and Protocols (Methods in Molecular Medicine)


    M. Maral Mouradian,





    Introduction

    Idiopathic Parkinson’s disease (PD) is an age-dependent, neurodegenerative

    disorder and is predominantly sporadic. Only 20–30% of patients have a positive

    family history for PD with a complex mode of inheritance. In a few extended

    families, the disease is inherited as an autosomal dominant trait. Linkage

    to chromosome 4 was reported in a large Italian kindred multiply affected

    by an early-onset form of PD (1). However, this finding was not replicated in a

    sample of 94 Caucasian families by Scott et al. (2), or in 13 multigenerational

    families by Gasser et al. (3). It has recently been demonstrated that a mutation

    within the a-synuclein gene on chromosome 4 segregates with disease in the

    Italian family (4). It was further demonstrated that the same missense mutation

    was also present in three Greek families with early onset PD. Sequence analysis

    of exon 4 of the gene revealed a single base pair change at position 209 from G to

    A (G209A). This mutation results in an Ala to Thr substitution at position 53 of

    the protein (Ala53Thr) and creates a Tsp45I restriction site (4). This is the first

    report of a mutation causing clinically and pathologically defined idiopathic PD

    associated with the critical pathologic finding, the intraneuronal inclusions called

    Lewy bodies in brainstem nuclei including the substantia nigra. However, Krüger

    et al. (5) reported a G→C transversion at position 88 of the coding sequence in

    two sibs and the deceased mother in a German family. It was concluded that this

    mutation is the cause of PD in this family.


    More recently, Papadimitriou et al. (6) reported two additional Greek families

    with autosomal dominant PD associated with the G209A mutation in the

    α-synucleingene. These families are clinically similar to other PD families

    with the mutation in the α-synuclein gene since they also have early onset,

    infrequent resting tremor, relatively rapid progression, and excellent response


    From: Methods in Molecular Medicine, vol. 62: Parkinson's Disease: Methods and Protocols

    Edited by: M. M. Mouradian © Humana Press Inc., Totowa, NJ


    Internationally recognized biomedical investigators describe in detail the major techniques employed in molecular and cellular studies of Parkinson's disease and basal ganglia function. Widely varied methods are covered, including genetic analyses, molecular pathogenetic investigations of dopaminergic neuronal degeneration, biochemical studies of nigro-striatal neural circuitry, and molecular therapies, such as gene therapy and neural stem cells.



    ISBN: 1617371750 -- edition 2011 -- PDF -- 288 pages -- 1 mb


    Download
    http://s18.alxa.net/s18/srvs2/02/003....Protocols.rar

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