8 research outputs found

    Analysis of receptor localization in the central nervous system using in vitro and in vivo receptor autoradiography

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    Quantitative receptor autoradiography methods have been widely used over the last three decades to study the distribution and physiological role of a receptor in various tissues. This review provides an overview of in vivo and in vitro receptor autoradiography methods and their advantages as well as disadvantages in the study of receptors in the central nervous system. Comparison with immunohistochemical and in situ hybridization methods is also highlighted in relation to the study of a given receptor in the nervous sytem

    Metabolic encephalopathies in Alzheimer disease

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    In 1906, German neuropathologist and psychiatrist Alois Alzheimer described eine eigenartige Erkrankung der Hirnrinde (a peculiar disease of the cerebral cortex). Alzheimer noted two abnormalities in autopsied brain tissue from his index case: senile plaques, proteinaceous structures previously described in the brain of normal elderly people; and abnormal cells delineated with silver stain that became known as neurofibrillary tangles (NFTs). The distribution and abundance of tangle-filled neurons are now the main criteria used to diagnose Alzheimer disease (AD) at autopsy

    Neuropeptides in Alzheimer’s Disease: An Update

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