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In the past five years significant progress has been made in our basic and clinical under standing of Parkinson's disease. The discovery that MPTP, a relatively simple molecule, is able to induce parkinsonism in otherwise healthy adult humans, and the recent interest in the possibility of "transplantation" procedures as a therapeutic modality in the treatment of Parkin son's disease have generated enormous interest in research related to Parkinson's disease. In this setting, the National Parkinson Foundation decided to organize a research meeting to bring together scientists actively engaged...

The field of neurotrophic factors has witnessed exp- sive growth in the past decade. As is usual in scientific in- vation, this progress has been closely associated with methodological advances. The introduction of molecular b- logical techniques into the neurotrophic factor field led to the discovery of new families of neurotrophic growth f- tors and their receptors. Production of growth factors by recombinant technology played a crucial part. The example of nerve growth factor, the paradigmatic neurotrophic factor, illustrates this point. A decade ago investigators were forced to purify...

The field of neurotrophic factors has witnessed exp- sive growth in the past decade. As is usual in scientific in- vation, this progress has been closely associated with methodological advances. The introduction of molecular b- logical techniques into the neurotrophic factor field led to the discovery of new families of neurotrophic growth f- tors and their receptors. Production of growth factors by recombinant technology played a crucial part. The example of nerve growth factor, the paradigmatic neurotrophic factor, illustrates this point. A decade ago investigators were forced to purify...