نتایج جستجو برای: dopaminergic neuron
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Parkinson's disease is characterized by a triad of cardinal motor symptoms (bradykinesia, rigidity and tremor) resulting from the loss of dopaminergic neurons in the substantia nigra. This synucleinopathy is classified in the larger group of Lewy body disorders. Currently, these symptoms are relatively well alleviated by drugs that restore dopaminergic neurotransmission, andlor by deep brain st...
Hypothalamic neurons play a key role in homeostasis, yet little is known about their differentiation. Here, we demonstrate that Shh and Bmp7 from the adjacent prechordal mesoderm govern hypothalamic neural fate, their sequential action controlling hypothalamic dopaminergic neuron generation in a Six3-dependent manner. Our data suggest a temporal distinction in the requirement for the two signal...
The presynaptic protein α-synuclein is central to the pathogenesis of α-synucleinopathies. We show that the presence of endogenous mouse α-synuclein leads to higher number of dopaminergic neurons in the substantia nigra of wild-type C57Bl/6J mice compared with C57Bl/6S mice with a spontaneous deletion of the α-synuclein gene or C57Bl/6J mice with a targeted deletion of the α-synuclein gene. Thi...
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Parkinson's disease (PD) results primarily from the death of dopaminergic neurons in the substantia nigra. Current PD medications treat symptoms; none halt or retard dopaminergic neuron degeneration. The main obstacle to developing neuroprotective therapies is a limited understanding of the key molecular events that provoke neurodegeneration. The discovery of PD genes has led to the hypothesis ...
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